java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c30ebe1 [2018-12-17 14:12:16,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-17 14:12:16,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-17 14:12:16,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-12-17 14:12:16,540 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-17 14:12:16,565 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-17 14:12:16,565 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-17 14:12:16,566 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-17 14:12:16,566 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-17 14:12:16,567 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-17 14:12:16,567 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-17 14:12:16,567 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-17 14:12:16,567 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-17 14:12:16,567 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-17 14:12:16,568 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-17 14:12:16,568 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-17 14:12:16,568 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-17 14:12:16,569 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-17 14:12:16,569 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-17 14:12:16,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-17 14:12:16,571 INFO L133 SettingsManager]: * Use SBE=true [2018-12-17 14:12:16,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-17 14:12:16,572 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-17 14:12:16,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-17 14:12:16,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-17 14:12:16,574 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-17 14:12:16,574 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-17 14:12:16,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-17 14:12:16,574 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-17 14:12:16,575 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-17 14:12:16,575 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-17 14:12:16,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-17 14:12:16,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-17 14:12:16,576 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-17 14:12:16,576 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-17 14:12:16,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-17 14:12:16,576 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-17 14:12:16,576 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-17 14:12:16,576 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-17 14:12:16,577 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-17 14:12:16,577 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-17 14:12:16,577 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-17 14:12:16,578 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-17 14:12:16,578 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-17 14:12:16,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-17 14:12:16,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-17 14:12:16,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-17 14:12:16,643 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-17 14:12:16,644 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-17 14:12:16,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2018-12-17 14:12:16,645 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2018-12-17 14:12:16,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-17 14:12:16,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-17 14:12:16,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-17 14:12:16,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-17 14:12:16,706 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-17 14:12:16,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-17 14:12:16,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-17 14:12:16,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-17 14:12:16,749 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-17 14:12:16,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... [2018-12-17 14:12:16,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-17 14:12:16,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-17 14:12:16,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-17 14:12:16,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-17 14:12:16,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-17 14:12:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-17 14:12:16,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-17 14:12:17,292 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-17 14:12:17,293 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-17 14:12:17,293 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:12:17 BoogieIcfgContainer [2018-12-17 14:12:17,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-17 14:12:17,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-17 14:12:17,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-17 14:12:17,298 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-17 14:12:17,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:12:16" (1/2) ... [2018-12-17 14:12:17,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1405d774 and model type invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:12:17, skipping insertion in model container [2018-12-17 14:12:17,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:12:17" (2/2) ... [2018-12-17 14:12:17,302 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string.i_4.bpl [2018-12-17 14:12:17,312 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-17 14:12:17,320 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-17 14:12:17,335 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-17 14:12:17,367 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-17 14:12:17,368 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-17 14:12:17,368 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-17 14:12:17,368 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-17 14:12:17,368 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-17 14:12:17,368 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-17 14:12:17,369 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-17 14:12:17,369 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-17 14:12:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-17 14:12:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-17 14:12:17,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:17,393 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-12-17 14:12:17,396 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:17,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:17,403 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2018-12-17 14:12:17,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:17,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:17,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:17,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:17,455 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:17,638 INFO L273 TraceCheckUtils]: 0: Hoare triple {10#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10#true} is VALID [2018-12-17 14:12:17,644 INFO L273 TraceCheckUtils]: 1: Hoare triple {10#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {12#(<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:12:17,646 INFO L273 TraceCheckUtils]: 2: Hoare triple {12#(<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {11#false} is VALID [2018-12-17 14:12:17,647 INFO L273 TraceCheckUtils]: 3: Hoare triple {11#false} assume !false; {11#false} is VALID [2018-12-17 14:12:17,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:17,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-17 14:12:17,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-17 14:12:17,653 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-17 14:12:17,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-12-17 14:12:17,660 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:17,664 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-12-17 14:12:17,714 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:17,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-17 14:12:17,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-17 14:12:17,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-17 14:12:17,728 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-12-17 14:12:17,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:17,883 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-12-17 14:12:17,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-17 14:12:17,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-12-17 14:12:17,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-17 14:12:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2018-12-17 14:12:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-17 14:12:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2018-12-17 14:12:17,894 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 12 transitions. [2018-12-17 14:12:17,987 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:17,997 INFO L225 Difference]: With dead ends: 10 [2018-12-17 14:12:17,997 INFO L226 Difference]: Without dead ends: 6 [2018-12-17 14:12:18,000 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-17 14:12:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-12-17 14:12:18,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-12-17 14:12:18,078 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:18,078 INFO L82 GeneralOperation]: Start isEquivalent. First operand 6 states. Second operand 6 states. [2018-12-17 14:12:18,079 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2018-12-17 14:12:18,079 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2018-12-17 14:12:18,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:18,081 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-12-17 14:12:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-12-17 14:12:18,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:18,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:18,082 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2018-12-17 14:12:18,082 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2018-12-17 14:12:18,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:18,084 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-12-17 14:12:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-12-17 14:12:18,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:18,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:18,085 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:18,085 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-12-17 14:12:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-12-17 14:12:18,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 4 [2018-12-17 14:12:18,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:18,089 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-12-17 14:12:18,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-17 14:12:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-12-17 14:12:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-17 14:12:18,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:18,090 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-17 14:12:18,090 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:18,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:18,091 INFO L82 PathProgramCache]: Analyzing trace with hash 28791948, now seen corresponding path program 1 times [2018-12-17 14:12:18,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:18,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:18,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:18,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:18,093 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:18,318 INFO L273 TraceCheckUtils]: 0: Hoare triple {52#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {54#(<= ULTIMATE.start_main_~i~6 0)} is VALID [2018-12-17 14:12:18,320 INFO L273 TraceCheckUtils]: 1: Hoare triple {54#(<= ULTIMATE.start_main_~i~6 0)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {55#(<= (+ ULTIMATE.start_main_~i~6 1) 0)} is VALID [2018-12-17 14:12:18,330 INFO L273 TraceCheckUtils]: 2: Hoare triple {55#(<= (+ ULTIMATE.start_main_~i~6 1) 0)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {53#false} is VALID [2018-12-17 14:12:18,330 INFO L273 TraceCheckUtils]: 3: Hoare triple {53#false} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {53#false} is VALID [2018-12-17 14:12:18,331 INFO L273 TraceCheckUtils]: 4: Hoare triple {53#false} assume !false; {53#false} is VALID [2018-12-17 14:12:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:18,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-17 14:12:18,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-17 14:12:18,332 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-17 14:12:18,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-12-17 14:12:18,334 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:18,334 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-12-17 14:12:18,360 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:18,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-17 14:12:18,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-17 14:12:18,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-17 14:12:18,361 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-12-17 14:12:18,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:18,585 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2018-12-17 14:12:18,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-17 14:12:18,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-12-17 14:12:18,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-17 14:12:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-12-17 14:12:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-17 14:12:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-12-17 14:12:18,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2018-12-17 14:12:18,623 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:18,624 INFO L225 Difference]: With dead ends: 11 [2018-12-17 14:12:18,624 INFO L226 Difference]: Without dead ends: 7 [2018-12-17 14:12:18,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-17 14:12:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-12-17 14:12:18,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-17 14:12:18,640 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:18,640 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:18,641 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:18,641 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:18,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:18,642 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2018-12-17 14:12:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-17 14:12:18,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:18,643 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:18,643 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:18,643 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2018-12-17 14:12:18,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:18,645 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2018-12-17 14:12:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-17 14:12:18,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:18,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:18,646 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:18,646 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-17 14:12:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2018-12-17 14:12:18,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2018-12-17 14:12:18,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:18,648 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2018-12-17 14:12:18,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-17 14:12:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-17 14:12:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-17 14:12:18,649 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:18,649 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-17 14:12:18,649 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:18,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:18,650 INFO L82 PathProgramCache]: Analyzing trace with hash 894131125, now seen corresponding path program 1 times [2018-12-17 14:12:18,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:18,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:18,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:18,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:18,652 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:19,104 INFO L273 TraceCheckUtils]: 0: Hoare triple {103#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {105#(or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)))} is VALID [2018-12-17 14:12:19,110 INFO L273 TraceCheckUtils]: 1: Hoare triple {105#(or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {106#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 1 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:19,111 INFO L273 TraceCheckUtils]: 2: Hoare triple {106#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 1 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {107#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:19,113 INFO L273 TraceCheckUtils]: 3: Hoare triple {107#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {108#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:19,115 INFO L273 TraceCheckUtils]: 4: Hoare triple {108#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {104#false} is VALID [2018-12-17 14:12:19,115 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2018-12-17 14:12:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:19,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:19,117 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:19,118 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2018-12-17 14:12:19,120 INFO L207 CegarAbsIntRunner]: [0], [5], [7], [12], [14], [16] [2018-12-17 14:12:19,162 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-17 14:12:19,163 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-17 14:12:19,614 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-17 14:12:19,615 INFO L272 AbstractInterpreter]: Visited 6 different actions 16 times. Merged at 2 different actions 5 times. Never widened. Performed 274 root evaluator evaluations with a maximum evaluation depth of 4. Performed 274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 7 fixpoints after 4 different actions. Largest state had 0 variables. [2018-12-17 14:12:19,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:19,621 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-17 14:12:19,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:19,621 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:19,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:19,631 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:12:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:19,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:20,143 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-17 14:12:20,329 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:20,339 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:20,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:20,351 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:12:20,361 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:20,361 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_7]. (and (= (store v_ULTIMATE.start_main_~str2~6_7 0 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (< 0 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 1)) [2018-12-17 14:12:20,362 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (< 0 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 0) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 1)) [2018-12-17 14:12:20,601 INFO L273 TraceCheckUtils]: 0: Hoare triple {103#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {112#(= ULTIMATE.start_main_~i~6 0)} is VALID [2018-12-17 14:12:20,602 INFO L273 TraceCheckUtils]: 1: Hoare triple {112#(= ULTIMATE.start_main_~i~6 0)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {116#(and (< 0 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:12:20,614 INFO L273 TraceCheckUtils]: 2: Hoare triple {116#(and (< 0 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 1))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {120#(and (< 0 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 1))} is VALID [2018-12-17 14:12:20,627 INFO L273 TraceCheckUtils]: 3: Hoare triple {120#(and (< 0 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {124#(and (< 0 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 0) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 1))} is VALID [2018-12-17 14:12:20,634 INFO L273 TraceCheckUtils]: 4: Hoare triple {124#(and (< 0 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 0) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 1))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {104#false} is VALID [2018-12-17 14:12:20,634 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2018-12-17 14:12:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:20,635 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:20,738 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:20,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:20,745 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:20,745 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:12:20,747 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:20,748 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:12:20,748 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:12:20,849 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2018-12-17 14:12:20,864 INFO L273 TraceCheckUtils]: 4: Hoare triple {108#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {104#false} is VALID [2018-12-17 14:12:20,865 INFO L273 TraceCheckUtils]: 3: Hoare triple {107#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {108#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:20,866 INFO L273 TraceCheckUtils]: 2: Hoare triple {106#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 1 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {107#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:20,868 INFO L273 TraceCheckUtils]: 1: Hoare triple {112#(= ULTIMATE.start_main_~i~6 0)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {106#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 1 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:20,873 INFO L273 TraceCheckUtils]: 0: Hoare triple {103#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {112#(= ULTIMATE.start_main_~i~6 0)} is VALID [2018-12-17 14:12:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:20,894 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:20,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2018-12-17 14:12:20,894 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:20,894 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2018-12-17 14:12:20,895 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:20,895 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-12-17 14:12:20,939 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:20,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-17 14:12:20,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-17 14:12:20,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-17 14:12:20,940 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 10 states. [2018-12-17 14:12:21,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:21,516 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2018-12-17 14:12:21,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-17 14:12:21,516 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2018-12-17 14:12:21,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-12-17 14:12:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2018-12-17 14:12:21,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-12-17 14:12:21,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2018-12-17 14:12:21,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 14 transitions. [2018-12-17 14:12:21,550 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:21,551 INFO L225 Difference]: With dead ends: 12 [2018-12-17 14:12:21,551 INFO L226 Difference]: Without dead ends: 8 [2018-12-17 14:12:21,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-12-17 14:12:21,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-12-17 14:12:21,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-12-17 14:12:21,570 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:21,570 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states. Second operand 8 states. [2018-12-17 14:12:21,570 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2018-12-17 14:12:21,570 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2018-12-17 14:12:21,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:21,572 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-12-17 14:12:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-17 14:12:21,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:21,573 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:21,573 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2018-12-17 14:12:21,573 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2018-12-17 14:12:21,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:21,575 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-12-17 14:12:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-17 14:12:21,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:21,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:21,576 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:21,576 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-12-17 14:12:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2018-12-17 14:12:21,577 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2018-12-17 14:12:21,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:21,577 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2018-12-17 14:12:21,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-17 14:12:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-17 14:12:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-17 14:12:21,578 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:21,578 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2018-12-17 14:12:21,579 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:21,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:21,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1949841836, now seen corresponding path program 2 times [2018-12-17 14:12:21,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:21,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:21,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:21,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:21,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:21,684 INFO L273 TraceCheckUtils]: 0: Hoare triple {204#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,685 INFO L273 TraceCheckUtils]: 1: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,686 INFO L273 TraceCheckUtils]: 2: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {208#(<= 2 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:21,687 INFO L273 TraceCheckUtils]: 3: Hoare triple {208#(<= 2 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,688 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,689 INFO L273 TraceCheckUtils]: 5: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {205#false} is VALID [2018-12-17 14:12:21,689 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2018-12-17 14:12:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:21,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:21,690 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:21,690 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:21,691 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:21,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:21,691 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:21,701 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:12:21,701 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:12:21,715 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-17 14:12:21,715 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:21,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:21,858 INFO L273 TraceCheckUtils]: 0: Hoare triple {204#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,861 INFO L273 TraceCheckUtils]: 1: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,862 INFO L273 TraceCheckUtils]: 2: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {208#(<= 2 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:21,863 INFO L273 TraceCheckUtils]: 3: Hoare triple {208#(<= 2 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,864 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,865 INFO L273 TraceCheckUtils]: 5: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {205#false} is VALID [2018-12-17 14:12:21,865 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2018-12-17 14:12:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:21,866 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:21,971 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2018-12-17 14:12:21,973 INFO L273 TraceCheckUtils]: 5: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {205#false} is VALID [2018-12-17 14:12:21,973 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,976 INFO L273 TraceCheckUtils]: 3: Hoare triple {208#(<= 2 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,979 INFO L273 TraceCheckUtils]: 2: Hoare triple {207#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {208#(<= 2 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:21,980 INFO L273 TraceCheckUtils]: 1: Hoare triple {206#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {207#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,982 INFO L273 TraceCheckUtils]: 0: Hoare triple {204#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {206#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:22,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:22,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2018-12-17 14:12:22,003 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:22,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-12-17 14:12:22,004 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:22,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-12-17 14:12:22,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:22,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-17 14:12:22,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-17 14:12:22,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-17 14:12:22,024 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 5 states. [2018-12-17 14:12:22,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:22,191 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-12-17 14:12:22,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-17 14:12:22,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-12-17 14:12:22,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-17 14:12:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2018-12-17 14:12:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-17 14:12:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2018-12-17 14:12:22,194 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 12 transitions. [2018-12-17 14:12:22,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:22,240 INFO L225 Difference]: With dead ends: 11 [2018-12-17 14:12:22,240 INFO L226 Difference]: Without dead ends: 9 [2018-12-17 14:12:22,240 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-17 14:12:22,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-12-17 14:12:22,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-12-17 14:12:22,316 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:22,316 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9 states. Second operand 9 states. [2018-12-17 14:12:22,316 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2018-12-17 14:12:22,317 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2018-12-17 14:12:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:22,318 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-12-17 14:12:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-17 14:12:22,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:22,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:22,318 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2018-12-17 14:12:22,319 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2018-12-17 14:12:22,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:22,320 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-12-17 14:12:22,320 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-17 14:12:22,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:22,320 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:22,321 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:22,321 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-17 14:12:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-12-17 14:12:22,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2018-12-17 14:12:22,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:22,322 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-12-17 14:12:22,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-17 14:12:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-17 14:12:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-17 14:12:22,323 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:22,323 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2018-12-17 14:12:22,323 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:22,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:22,324 INFO L82 PathProgramCache]: Analyzing trace with hash 315556586, now seen corresponding path program 3 times [2018-12-17 14:12:22,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:22,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:22,325 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:22,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:22,325 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:22,570 INFO L273 TraceCheckUtils]: 0: Hoare triple {304#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {306#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:22,571 INFO L273 TraceCheckUtils]: 1: Hoare triple {306#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {307#(or (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)) (and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:12:22,573 INFO L273 TraceCheckUtils]: 2: Hoare triple {307#(or (not (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6)) (and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {308#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 2 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:22,574 INFO L273 TraceCheckUtils]: 3: Hoare triple {308#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 2 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {309#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:22,580 INFO L273 TraceCheckUtils]: 4: Hoare triple {309#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {310#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:22,582 INFO L273 TraceCheckUtils]: 5: Hoare triple {310#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {311#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:22,583 INFO L273 TraceCheckUtils]: 6: Hoare triple {311#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {305#false} is VALID [2018-12-17 14:12:22,583 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2018-12-17 14:12:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:22,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:22,584 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:22,584 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:22,585 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:22,585 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:22,585 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:22,600 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:12:22,600 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:12:22,622 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:12:22,622 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:22,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:22,827 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:22,828 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:22,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:22,836 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:12:22,839 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:22,840 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_10]. (and (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3)) (= (store v_ULTIMATE.start_main_~str2~6_10 1 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:12:22,840 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 1)) (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3))) [2018-12-17 14:12:22,885 INFO L273 TraceCheckUtils]: 0: Hoare triple {304#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {304#true} is VALID [2018-12-17 14:12:22,885 INFO L273 TraceCheckUtils]: 1: Hoare triple {304#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {304#true} is VALID [2018-12-17 14:12:22,886 INFO L273 TraceCheckUtils]: 2: Hoare triple {304#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {304#true} is VALID [2018-12-17 14:12:22,893 INFO L273 TraceCheckUtils]: 3: Hoare triple {304#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {324#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:22,898 INFO L273 TraceCheckUtils]: 4: Hoare triple {324#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {328#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:12:22,899 INFO L273 TraceCheckUtils]: 5: Hoare triple {328#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 1)) (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3)))} is VALID [2018-12-17 14:12:22,900 INFO L273 TraceCheckUtils]: 6: Hoare triple {332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 1)) (<= 2 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 3)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {305#false} is VALID [2018-12-17 14:12:22,900 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2018-12-17 14:12:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-17 14:12:22,901 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:23,110 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-12-17 14:12:23,114 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:23,117 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:23,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:23,131 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:12:23,286 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2018-12-17 14:12:23,288 INFO L273 TraceCheckUtils]: 6: Hoare triple {342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {305#false} is VALID [2018-12-17 14:12:23,289 INFO L273 TraceCheckUtils]: 5: Hoare triple {346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:23,291 INFO L273 TraceCheckUtils]: 4: Hoare triple {350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:23,292 INFO L273 TraceCheckUtils]: 3: Hoare triple {304#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:12:23,293 INFO L273 TraceCheckUtils]: 2: Hoare triple {304#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {304#true} is VALID [2018-12-17 14:12:23,293 INFO L273 TraceCheckUtils]: 1: Hoare triple {304#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {304#true} is VALID [2018-12-17 14:12:23,293 INFO L273 TraceCheckUtils]: 0: Hoare triple {304#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {304#true} is VALID [2018-12-17 14:12:23,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-17 14:12:23,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:23,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14 [2018-12-17 14:12:23,315 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:23,316 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2018-12-17 14:12:23,316 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:23,316 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2018-12-17 14:12:23,351 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:23,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-17 14:12:23,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-17 14:12:23,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-17 14:12:23,352 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 11 states. [2018-12-17 14:12:24,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:24,256 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2018-12-17 14:12:24,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-17 14:12:24,257 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2018-12-17 14:12:24,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-17 14:12:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2018-12-17 14:12:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-17 14:12:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2018-12-17 14:12:24,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 21 transitions. [2018-12-17 14:12:24,297 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:24,298 INFO L225 Difference]: With dead ends: 17 [2018-12-17 14:12:24,299 INFO L226 Difference]: Without dead ends: 11 [2018-12-17 14:12:24,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2018-12-17 14:12:24,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-12-17 14:12:24,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-12-17 14:12:24,345 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:24,345 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 11 states. [2018-12-17 14:12:24,345 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2018-12-17 14:12:24,346 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2018-12-17 14:12:24,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:24,348 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-12-17 14:12:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-17 14:12:24,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:24,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:24,349 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2018-12-17 14:12:24,349 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2018-12-17 14:12:24,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:24,350 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-12-17 14:12:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-17 14:12:24,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:24,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:24,351 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:24,351 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:24,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-17 14:12:24,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2018-12-17 14:12:24,353 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2018-12-17 14:12:24,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:24,353 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2018-12-17 14:12:24,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-17 14:12:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-17 14:12:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-17 14:12:24,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:24,354 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1] [2018-12-17 14:12:24,355 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:24,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:24,355 INFO L82 PathProgramCache]: Analyzing trace with hash -175395819, now seen corresponding path program 4 times [2018-12-17 14:12:24,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:24,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:24,357 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:24,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:24,357 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:24,918 INFO L273 TraceCheckUtils]: 0: Hoare triple {449#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:24,920 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:24,921 INFO L273 TraceCheckUtils]: 2: Hoare triple {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {453#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:12:24,922 INFO L273 TraceCheckUtils]: 3: Hoare triple {453#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:24,924 INFO L273 TraceCheckUtils]: 4: Hoare triple {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {455#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:24,926 INFO L273 TraceCheckUtils]: 5: Hoare triple {455#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {456#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:24,931 INFO L273 TraceCheckUtils]: 6: Hoare triple {456#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {457#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:24,932 INFO L273 TraceCheckUtils]: 7: Hoare triple {457#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {458#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:24,936 INFO L273 TraceCheckUtils]: 8: Hoare triple {458#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {450#false} is VALID [2018-12-17 14:12:24,936 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2018-12-17 14:12:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:24,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:24,938 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:24,938 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:24,938 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:24,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:24,939 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:24,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:24,951 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:12:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:25,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:25,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:25,311 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:25,321 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:25,322 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:12:25,324 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:25,324 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_13]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_13 2 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:25,325 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 2)) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:25,409 INFO L273 TraceCheckUtils]: 0: Hoare triple {449#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:25,424 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:25,438 INFO L273 TraceCheckUtils]: 2: Hoare triple {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:25,449 INFO L273 TraceCheckUtils]: 3: Hoare triple {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {472#(and (<= 3 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:25,463 INFO L273 TraceCheckUtils]: 4: Hoare triple {472#(and (<= 3 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 3))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {476#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:25,479 INFO L273 TraceCheckUtils]: 5: Hoare triple {476#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {480#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:25,488 INFO L273 TraceCheckUtils]: 6: Hoare triple {480#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {484#(and (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:12:25,491 INFO L273 TraceCheckUtils]: 7: Hoare triple {484#(and (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {488#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 2)) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:25,494 INFO L273 TraceCheckUtils]: 8: Hoare triple {488#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 2)) (<= ULTIMATE.start_main_~MAX~6 3) (<= 3 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {450#false} is VALID [2018-12-17 14:12:25,494 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2018-12-17 14:12:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:25,495 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:25,538 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:25,542 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:25,546 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:25,547 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:12:25,549 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:25,549 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:12:25,550 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:12:25,619 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2018-12-17 14:12:25,621 INFO L273 TraceCheckUtils]: 8: Hoare triple {458#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {450#false} is VALID [2018-12-17 14:12:25,622 INFO L273 TraceCheckUtils]: 7: Hoare triple {457#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {458#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:25,623 INFO L273 TraceCheckUtils]: 6: Hoare triple {456#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {457#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:25,625 INFO L273 TraceCheckUtils]: 5: Hoare triple {455#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {456#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:25,626 INFO L273 TraceCheckUtils]: 4: Hoare triple {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {455#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:25,627 INFO L273 TraceCheckUtils]: 3: Hoare triple {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {454#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 3 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:25,629 INFO L273 TraceCheckUtils]: 2: Hoare triple {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {468#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:25,630 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {452#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:25,632 INFO L273 TraceCheckUtils]: 0: Hoare triple {449#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {451#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:25,659 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:25,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2018-12-17 14:12:25,660 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:25,660 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2018-12-17 14:12:25,660 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:25,660 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2018-12-17 14:12:25,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:25,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-17 14:12:25,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-17 14:12:25,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-12-17 14:12:25,692 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 16 states. [2018-12-17 14:12:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:26,514 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-12-17 14:12:26,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-17 14:12:26,515 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2018-12-17 14:12:26,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-17 14:12:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2018-12-17 14:12:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-17 14:12:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2018-12-17 14:12:26,517 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 18 transitions. [2018-12-17 14:12:26,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:26,558 INFO L225 Difference]: With dead ends: 18 [2018-12-17 14:12:26,558 INFO L226 Difference]: Without dead ends: 12 [2018-12-17 14:12:26,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2018-12-17 14:12:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-12-17 14:12:26,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-12-17 14:12:26,729 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:26,729 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2018-12-17 14:12:26,729 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2018-12-17 14:12:26,730 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2018-12-17 14:12:26,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:26,731 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-12-17 14:12:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-17 14:12:26,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:26,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:26,732 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2018-12-17 14:12:26,732 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2018-12-17 14:12:26,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:26,733 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-12-17 14:12:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-17 14:12:26,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:26,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:26,734 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:26,734 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-12-17 14:12:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2018-12-17 14:12:26,735 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2018-12-17 14:12:26,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:26,736 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2018-12-17 14:12:26,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-17 14:12:26,736 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-17 14:12:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-17 14:12:26,737 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:26,737 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1] [2018-12-17 14:12:26,737 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:26,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:26,737 INFO L82 PathProgramCache]: Analyzing trace with hash 375043724, now seen corresponding path program 5 times [2018-12-17 14:12:26,738 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:26,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:26,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:26,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:26,739 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:26,906 INFO L273 TraceCheckUtils]: 0: Hoare triple {612#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,907 INFO L273 TraceCheckUtils]: 1: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,909 INFO L273 TraceCheckUtils]: 2: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,910 INFO L273 TraceCheckUtils]: 3: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,911 INFO L273 TraceCheckUtils]: 4: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {618#(<= 4 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:26,918 INFO L273 TraceCheckUtils]: 5: Hoare triple {618#(<= 4 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,919 INFO L273 TraceCheckUtils]: 6: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,920 INFO L273 TraceCheckUtils]: 7: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,921 INFO L273 TraceCheckUtils]: 8: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:26,921 INFO L273 TraceCheckUtils]: 9: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {613#false} is VALID [2018-12-17 14:12:26,921 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2018-12-17 14:12:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:26,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:26,923 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:26,923 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:26,923 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:26,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:26,923 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:26,931 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:12:26,932 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:12:26,969 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-12-17 14:12:26,969 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:26,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:27,064 INFO L273 TraceCheckUtils]: 0: Hoare triple {612#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,066 INFO L273 TraceCheckUtils]: 1: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,067 INFO L273 TraceCheckUtils]: 2: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,069 INFO L273 TraceCheckUtils]: 3: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,070 INFO L273 TraceCheckUtils]: 4: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {618#(<= 4 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:27,071 INFO L273 TraceCheckUtils]: 5: Hoare triple {618#(<= 4 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,072 INFO L273 TraceCheckUtils]: 6: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,073 INFO L273 TraceCheckUtils]: 7: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,075 INFO L273 TraceCheckUtils]: 8: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,091 INFO L273 TraceCheckUtils]: 9: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {613#false} is VALID [2018-12-17 14:12:27,092 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2018-12-17 14:12:27,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:27,093 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:27,196 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2018-12-17 14:12:27,197 INFO L273 TraceCheckUtils]: 9: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {613#false} is VALID [2018-12-17 14:12:27,199 INFO L273 TraceCheckUtils]: 8: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,200 INFO L273 TraceCheckUtils]: 7: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,204 INFO L273 TraceCheckUtils]: 6: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,205 INFO L273 TraceCheckUtils]: 5: Hoare triple {618#(<= 4 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,205 INFO L273 TraceCheckUtils]: 4: Hoare triple {617#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {618#(<= 4 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:27,206 INFO L273 TraceCheckUtils]: 3: Hoare triple {616#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {617#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,207 INFO L273 TraceCheckUtils]: 2: Hoare triple {615#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {616#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,208 INFO L273 TraceCheckUtils]: 1: Hoare triple {614#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {615#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,209 INFO L273 TraceCheckUtils]: 0: Hoare triple {612#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {614#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:27,231 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:27,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2018-12-17 14:12:27,231 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:27,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2018-12-17 14:12:27,231 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:27,232 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-12-17 14:12:27,250 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:27,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-17 14:12:27,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-17 14:12:27,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-17 14:12:27,251 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 7 states. [2018-12-17 14:12:27,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:27,443 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-12-17 14:12:27,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-17 14:12:27,443 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2018-12-17 14:12:27,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-17 14:12:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2018-12-17 14:12:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-17 14:12:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2018-12-17 14:12:27,445 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 16 transitions. [2018-12-17 14:12:27,466 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:27,467 INFO L225 Difference]: With dead ends: 15 [2018-12-17 14:12:27,468 INFO L226 Difference]: Without dead ends: 13 [2018-12-17 14:12:27,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 8 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-12-17 14:12:27,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-12-17 14:12:27,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-12-17 14:12:27,572 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:27,572 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2018-12-17 14:12:27,572 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-12-17 14:12:27,573 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-12-17 14:12:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:27,574 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2018-12-17 14:12:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-12-17 14:12:27,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:27,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:27,575 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-12-17 14:12:27,575 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-12-17 14:12:27,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:27,576 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2018-12-17 14:12:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-12-17 14:12:27,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:27,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:27,577 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:27,577 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-17 14:12:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-12-17 14:12:27,578 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2018-12-17 14:12:27,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:27,578 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-12-17 14:12:27,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-17 14:12:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-12-17 14:12:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-17 14:12:27,579 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:27,579 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1] [2018-12-17 14:12:27,579 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:27,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:27,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1258544630, now seen corresponding path program 6 times [2018-12-17 14:12:27,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:27,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:27,581 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:27,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:27,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:27,831 INFO L273 TraceCheckUtils]: 0: Hoare triple {766#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {768#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:27,832 INFO L273 TraceCheckUtils]: 1: Hoare triple {768#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {769#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:27,834 INFO L273 TraceCheckUtils]: 2: Hoare triple {769#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {770#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:27,835 INFO L273 TraceCheckUtils]: 3: Hoare triple {770#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {771#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3)))} is VALID [2018-12-17 14:12:27,836 INFO L273 TraceCheckUtils]: 4: Hoare triple {771#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {772#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 4 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:27,838 INFO L273 TraceCheckUtils]: 5: Hoare triple {772#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 4 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {773#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:27,839 INFO L273 TraceCheckUtils]: 6: Hoare triple {773#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {774#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:27,840 INFO L273 TraceCheckUtils]: 7: Hoare triple {774#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {775#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:27,841 INFO L273 TraceCheckUtils]: 8: Hoare triple {775#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {776#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:27,843 INFO L273 TraceCheckUtils]: 9: Hoare triple {776#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {777#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:27,844 INFO L273 TraceCheckUtils]: 10: Hoare triple {777#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {767#false} is VALID [2018-12-17 14:12:27,845 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2018-12-17 14:12:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:27,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:27,846 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:27,847 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:27,847 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:27,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:27,847 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:27,856 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:12:27,857 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:12:27,867 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:12:27,867 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:27,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:28,026 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:28,028 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:28,035 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:28,035 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:12:28,038 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:28,038 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_20]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_20 3 (select ULTIMATE.start_main_~str1~6 0))) (<= 4 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:28,038 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 3)) (<= 4 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:28,076 INFO L273 TraceCheckUtils]: 0: Hoare triple {766#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {766#true} is VALID [2018-12-17 14:12:28,076 INFO L273 TraceCheckUtils]: 1: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,077 INFO L273 TraceCheckUtils]: 2: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,077 INFO L273 TraceCheckUtils]: 3: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,077 INFO L273 TraceCheckUtils]: 4: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,078 INFO L273 TraceCheckUtils]: 5: Hoare triple {766#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {796#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:28,080 INFO L273 TraceCheckUtils]: 6: Hoare triple {796#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {800#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:12:28,081 INFO L273 TraceCheckUtils]: 7: Hoare triple {800#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {804#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:12:28,082 INFO L273 TraceCheckUtils]: 8: Hoare triple {804#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {808#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:12:28,084 INFO L273 TraceCheckUtils]: 9: Hoare triple {808#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {812#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 3)) (<= 4 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:28,085 INFO L273 TraceCheckUtils]: 10: Hoare triple {812#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 3)) (<= 4 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {767#false} is VALID [2018-12-17 14:12:28,086 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2018-12-17 14:12:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-17 14:12:28,088 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:28,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:28,198 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:28,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:28,230 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:12:28,244 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:28,244 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:12:28,244 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:28,503 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2018-12-17 14:12:28,504 INFO L273 TraceCheckUtils]: 10: Hoare triple {822#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {767#false} is VALID [2018-12-17 14:12:28,506 INFO L273 TraceCheckUtils]: 9: Hoare triple {826#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {822#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:28,507 INFO L273 TraceCheckUtils]: 8: Hoare triple {830#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {826#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:28,508 INFO L273 TraceCheckUtils]: 7: Hoare triple {834#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {830#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:12:28,510 INFO L273 TraceCheckUtils]: 6: Hoare triple {838#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {834#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:28,511 INFO L273 TraceCheckUtils]: 5: Hoare triple {766#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {838#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:28,511 INFO L273 TraceCheckUtils]: 4: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,511 INFO L273 TraceCheckUtils]: 3: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,512 INFO L273 TraceCheckUtils]: 2: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,512 INFO L273 TraceCheckUtils]: 1: Hoare triple {766#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {766#true} is VALID [2018-12-17 14:12:28,512 INFO L273 TraceCheckUtils]: 0: Hoare triple {766#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {766#true} is VALID [2018-12-17 14:12:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-17 14:12:28,531 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:28,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 22 [2018-12-17 14:12:28,532 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:28,532 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2018-12-17 14:12:28,532 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:28,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2018-12-17 14:12:28,555 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:28,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-17 14:12:28,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-17 14:12:28,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2018-12-17 14:12:28,557 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 17 states. [2018-12-17 14:12:29,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:29,955 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2018-12-17 14:12:29,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-17 14:12:29,956 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2018-12-17 14:12:29,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-17 14:12:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2018-12-17 14:12:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-17 14:12:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2018-12-17 14:12:29,958 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 27 transitions. [2018-12-17 14:12:30,007 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:30,008 INFO L225 Difference]: With dead ends: 23 [2018-12-17 14:12:30,008 INFO L226 Difference]: Without dead ends: 15 [2018-12-17 14:12:30,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2018-12-17 14:12:30,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-12-17 14:12:30,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-12-17 14:12:30,178 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:30,178 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2018-12-17 14:12:30,179 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-12-17 14:12:30,179 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-12-17 14:12:30,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:30,180 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-12-17 14:12:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-17 14:12:30,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:30,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:30,181 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-12-17 14:12:30,181 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-12-17 14:12:30,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:30,182 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-12-17 14:12:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-17 14:12:30,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:30,183 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:30,183 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:30,183 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-17 14:12:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-12-17 14:12:30,184 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2018-12-17 14:12:30,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:30,184 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-12-17 14:12:30,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-17 14:12:30,185 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-17 14:12:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-17 14:12:30,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:30,185 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1] [2018-12-17 14:12:30,186 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:30,186 INFO L82 PathProgramCache]: Analyzing trace with hash -400886667, now seen corresponding path program 7 times [2018-12-17 14:12:30,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:30,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:30,187 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:30,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:30,187 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:30,500 INFO L273 TraceCheckUtils]: 0: Hoare triple {975#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:30,501 INFO L273 TraceCheckUtils]: 1: Hoare triple {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:30,502 INFO L273 TraceCheckUtils]: 2: Hoare triple {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:30,504 INFO L273 TraceCheckUtils]: 3: Hoare triple {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:30,505 INFO L273 TraceCheckUtils]: 4: Hoare triple {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {981#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:12:30,507 INFO L273 TraceCheckUtils]: 5: Hoare triple {981#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:30,511 INFO L273 TraceCheckUtils]: 6: Hoare triple {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {983#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:30,512 INFO L273 TraceCheckUtils]: 7: Hoare triple {983#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {984#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:30,513 INFO L273 TraceCheckUtils]: 8: Hoare triple {984#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {985#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:30,514 INFO L273 TraceCheckUtils]: 9: Hoare triple {985#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {986#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:30,514 INFO L273 TraceCheckUtils]: 10: Hoare triple {986#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {987#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:30,515 INFO L273 TraceCheckUtils]: 11: Hoare triple {987#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {988#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:30,516 INFO L273 TraceCheckUtils]: 12: Hoare triple {988#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {976#false} is VALID [2018-12-17 14:12:30,516 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2018-12-17 14:12:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:30,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:30,518 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:30,518 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:30,519 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:30,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:30,519 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:30,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:30,534 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:12:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:30,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:30,791 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:30,794 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:30,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:30,800 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:12:30,803 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:30,803 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_25]. (and (= (store v_ULTIMATE.start_main_~str2~6_25 4 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5)) [2018-12-17 14:12:30,803 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 4))) [2018-12-17 14:12:30,841 INFO L273 TraceCheckUtils]: 0: Hoare triple {975#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:30,842 INFO L273 TraceCheckUtils]: 1: Hoare triple {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:30,843 INFO L273 TraceCheckUtils]: 2: Hoare triple {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:30,845 INFO L273 TraceCheckUtils]: 3: Hoare triple {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:30,846 INFO L273 TraceCheckUtils]: 4: Hoare triple {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:30,847 INFO L273 TraceCheckUtils]: 5: Hoare triple {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1008#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:30,848 INFO L273 TraceCheckUtils]: 6: Hoare triple {1008#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 5))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1012#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2018-12-17 14:12:30,851 INFO L273 TraceCheckUtils]: 7: Hoare triple {1012#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 5))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1016#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2018-12-17 14:12:30,852 INFO L273 TraceCheckUtils]: 8: Hoare triple {1016#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 5))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1020#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:12:30,852 INFO L273 TraceCheckUtils]: 9: Hoare triple {1020#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1024#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2018-12-17 14:12:30,853 INFO L273 TraceCheckUtils]: 10: Hoare triple {1024#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 5))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1028#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 5))} is VALID [2018-12-17 14:12:30,854 INFO L273 TraceCheckUtils]: 11: Hoare triple {1028#(and (<= 5 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 5))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1032#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 4)))} is VALID [2018-12-17 14:12:30,855 INFO L273 TraceCheckUtils]: 12: Hoare triple {1032#(and (<= 5 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 5) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 4)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {976#false} is VALID [2018-12-17 14:12:30,855 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2018-12-17 14:12:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:30,856 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:30,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:30,911 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:30,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:30,914 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:12:30,916 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:30,916 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:12:30,917 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:12:31,011 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2018-12-17 14:12:31,012 INFO L273 TraceCheckUtils]: 12: Hoare triple {988#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {976#false} is VALID [2018-12-17 14:12:31,012 INFO L273 TraceCheckUtils]: 11: Hoare triple {987#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {988#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:31,013 INFO L273 TraceCheckUtils]: 10: Hoare triple {986#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {987#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:31,014 INFO L273 TraceCheckUtils]: 9: Hoare triple {985#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {986#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:31,015 INFO L273 TraceCheckUtils]: 8: Hoare triple {984#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {985#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:31,023 INFO L273 TraceCheckUtils]: 7: Hoare triple {983#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {984#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:31,024 INFO L273 TraceCheckUtils]: 6: Hoare triple {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {983#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:31,025 INFO L273 TraceCheckUtils]: 5: Hoare triple {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {982#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 5 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:31,025 INFO L273 TraceCheckUtils]: 4: Hoare triple {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1004#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:31,026 INFO L273 TraceCheckUtils]: 3: Hoare triple {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {980#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:31,027 INFO L273 TraceCheckUtils]: 2: Hoare triple {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {979#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:31,028 INFO L273 TraceCheckUtils]: 1: Hoare triple {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {978#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:31,029 INFO L273 TraceCheckUtils]: 0: Hoare triple {975#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {977#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:31,050 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:31,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 21 [2018-12-17 14:12:31,050 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:31,051 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2018-12-17 14:12:31,051 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:31,051 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2018-12-17 14:12:31,078 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:31,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-17 14:12:31,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-17 14:12:31,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2018-12-17 14:12:31,080 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 22 states. [2018-12-17 14:12:32,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:32,649 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-12-17 14:12:32,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-17 14:12:32,650 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2018-12-17 14:12:32,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-17 14:12:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2018-12-17 14:12:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-17 14:12:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2018-12-17 14:12:32,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 22 transitions. [2018-12-17 14:12:32,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:32,699 INFO L225 Difference]: With dead ends: 24 [2018-12-17 14:12:32,699 INFO L226 Difference]: Without dead ends: 16 [2018-12-17 14:12:32,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=740, Unknown=0, NotChecked=0, Total=870 [2018-12-17 14:12:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-17 14:12:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-17 14:12:32,835 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:32,836 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2018-12-17 14:12:32,836 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-12-17 14:12:32,836 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-12-17 14:12:32,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:32,837 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-12-17 14:12:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-17 14:12:32,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:32,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:32,838 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-12-17 14:12:32,839 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-12-17 14:12:32,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:32,840 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-12-17 14:12:32,840 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-17 14:12:32,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:32,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:32,840 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:32,841 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-17 14:12:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-12-17 14:12:32,842 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2018-12-17 14:12:32,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:32,842 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-12-17 14:12:32,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-17 14:12:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-17 14:12:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-17 14:12:32,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:32,843 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1] [2018-12-17 14:12:32,843 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:32,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:32,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1662915732, now seen corresponding path program 8 times [2018-12-17 14:12:32,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:32,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:32,845 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:32,989 INFO L273 TraceCheckUtils]: 0: Hoare triple {1200#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:32,991 INFO L273 TraceCheckUtils]: 1: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:32,992 INFO L273 TraceCheckUtils]: 2: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:32,993 INFO L273 TraceCheckUtils]: 3: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:32,994 INFO L273 TraceCheckUtils]: 4: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:32,996 INFO L273 TraceCheckUtils]: 5: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:32,997 INFO L273 TraceCheckUtils]: 6: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:33,004 INFO L273 TraceCheckUtils]: 7: Hoare triple {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,005 INFO L273 TraceCheckUtils]: 8: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,006 INFO L273 TraceCheckUtils]: 9: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,007 INFO L273 TraceCheckUtils]: 10: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,008 INFO L273 TraceCheckUtils]: 11: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,009 INFO L273 TraceCheckUtils]: 12: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,011 INFO L273 TraceCheckUtils]: 13: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1201#false} is VALID [2018-12-17 14:12:33,011 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2018-12-17 14:12:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:33,013 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:33,013 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:33,013 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:33,014 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:33,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:33,014 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:33,026 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:12:33,027 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:12:33,090 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-12-17 14:12:33,090 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:33,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:33,447 INFO L273 TraceCheckUtils]: 0: Hoare triple {1200#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,448 INFO L273 TraceCheckUtils]: 1: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,450 INFO L273 TraceCheckUtils]: 2: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,451 INFO L273 TraceCheckUtils]: 3: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,452 INFO L273 TraceCheckUtils]: 4: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,454 INFO L273 TraceCheckUtils]: 5: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,455 INFO L273 TraceCheckUtils]: 6: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:33,456 INFO L273 TraceCheckUtils]: 7: Hoare triple {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,457 INFO L273 TraceCheckUtils]: 8: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,459 INFO L273 TraceCheckUtils]: 9: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,460 INFO L273 TraceCheckUtils]: 10: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,466 INFO L273 TraceCheckUtils]: 11: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,467 INFO L273 TraceCheckUtils]: 12: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,467 INFO L273 TraceCheckUtils]: 13: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1201#false} is VALID [2018-12-17 14:12:33,468 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2018-12-17 14:12:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:33,468 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:33,691 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2018-12-17 14:12:33,691 INFO L273 TraceCheckUtils]: 13: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1201#false} is VALID [2018-12-17 14:12:33,693 INFO L273 TraceCheckUtils]: 12: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,694 INFO L273 TraceCheckUtils]: 11: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,695 INFO L273 TraceCheckUtils]: 10: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,696 INFO L273 TraceCheckUtils]: 9: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,697 INFO L273 TraceCheckUtils]: 8: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,700 INFO L273 TraceCheckUtils]: 7: Hoare triple {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,701 INFO L273 TraceCheckUtils]: 6: Hoare triple {1207#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1208#(<= 6 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:33,702 INFO L273 TraceCheckUtils]: 5: Hoare triple {1206#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1207#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,703 INFO L273 TraceCheckUtils]: 4: Hoare triple {1205#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1206#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,704 INFO L273 TraceCheckUtils]: 3: Hoare triple {1204#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1205#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,708 INFO L273 TraceCheckUtils]: 2: Hoare triple {1203#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1204#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,710 INFO L273 TraceCheckUtils]: 1: Hoare triple {1202#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1203#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,711 INFO L273 TraceCheckUtils]: 0: Hoare triple {1200#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1202#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:33,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:33,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2018-12-17 14:12:33,733 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:33,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-12-17 14:12:33,734 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:33,734 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2018-12-17 14:12:33,761 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:33,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-17 14:12:33,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-17 14:12:33,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-12-17 14:12:33,762 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 9 states. [2018-12-17 14:12:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:34,095 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-12-17 14:12:34,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-17 14:12:34,095 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-12-17 14:12:34,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-17 14:12:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2018-12-17 14:12:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-17 14:12:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2018-12-17 14:12:34,097 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 20 transitions. [2018-12-17 14:12:34,117 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:34,117 INFO L225 Difference]: With dead ends: 19 [2018-12-17 14:12:34,118 INFO L226 Difference]: Without dead ends: 17 [2018-12-17 14:12:34,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 12 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-12-17 14:12:34,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-12-17 14:12:34,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-12-17 14:12:34,251 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:34,251 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2018-12-17 14:12:34,251 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-12-17 14:12:34,251 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-12-17 14:12:34,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:34,252 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-12-17 14:12:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-17 14:12:34,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:34,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:34,253 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-12-17 14:12:34,254 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-12-17 14:12:34,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:34,255 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-12-17 14:12:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-17 14:12:34,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:34,255 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:34,255 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:34,255 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-17 14:12:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-12-17 14:12:34,258 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 15 [2018-12-17 14:12:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:34,259 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-12-17 14:12:34,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-17 14:12:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-17 14:12:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-17 14:12:34,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:34,259 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1] [2018-12-17 14:12:34,260 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:34,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:34,260 INFO L82 PathProgramCache]: Analyzing trace with hash -10778326, now seen corresponding path program 9 times [2018-12-17 14:12:34,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:34,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:34,262 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:34,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:34,262 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:34,644 INFO L273 TraceCheckUtils]: 0: Hoare triple {1408#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1410#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:34,645 INFO L273 TraceCheckUtils]: 1: Hoare triple {1410#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1411#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:34,646 INFO L273 TraceCheckUtils]: 2: Hoare triple {1411#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1412#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:34,647 INFO L273 TraceCheckUtils]: 3: Hoare triple {1412#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1413#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:34,648 INFO L273 TraceCheckUtils]: 4: Hoare triple {1413#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1414#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:34,649 INFO L273 TraceCheckUtils]: 5: Hoare triple {1414#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1415#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:12:34,651 INFO L273 TraceCheckUtils]: 6: Hoare triple {1415#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1416#(or (= 6 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:34,652 INFO L273 TraceCheckUtils]: 7: Hoare triple {1416#(or (= 6 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1417#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:34,653 INFO L273 TraceCheckUtils]: 8: Hoare triple {1417#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1418#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:34,654 INFO L273 TraceCheckUtils]: 9: Hoare triple {1418#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1419#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:34,655 INFO L273 TraceCheckUtils]: 10: Hoare triple {1419#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1420#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:34,657 INFO L273 TraceCheckUtils]: 11: Hoare triple {1420#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1421#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:34,658 INFO L273 TraceCheckUtils]: 12: Hoare triple {1421#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1422#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:34,659 INFO L273 TraceCheckUtils]: 13: Hoare triple {1422#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1423#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:34,660 INFO L273 TraceCheckUtils]: 14: Hoare triple {1423#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1409#false} is VALID [2018-12-17 14:12:34,661 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2018-12-17 14:12:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:34,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:34,662 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:34,662 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:34,663 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:34,663 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:34,663 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:34,671 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:12:34,672 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:12:34,684 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:12:34,684 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:34,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:34,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:34,910 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:34,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:34,916 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:12:34,939 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:34,939 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_36]. (and (<= 6 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_36 5 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7))) [2018-12-17 14:12:34,939 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 6 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 5) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7))) [2018-12-17 14:12:35,035 INFO L273 TraceCheckUtils]: 0: Hoare triple {1408#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1408#true} is VALID [2018-12-17 14:12:35,035 INFO L273 TraceCheckUtils]: 1: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,035 INFO L273 TraceCheckUtils]: 2: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,035 INFO L273 TraceCheckUtils]: 3: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,036 INFO L273 TraceCheckUtils]: 4: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,036 INFO L273 TraceCheckUtils]: 5: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,036 INFO L273 TraceCheckUtils]: 6: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,041 INFO L273 TraceCheckUtils]: 7: Hoare triple {1408#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1448#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:35,042 INFO L273 TraceCheckUtils]: 8: Hoare triple {1448#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1452#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:12:35,043 INFO L273 TraceCheckUtils]: 9: Hoare triple {1452#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1456#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:12:35,043 INFO L273 TraceCheckUtils]: 10: Hoare triple {1456#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:12:35,044 INFO L273 TraceCheckUtils]: 11: Hoare triple {1460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1464#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:12:35,045 INFO L273 TraceCheckUtils]: 12: Hoare triple {1464#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1468#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:35,046 INFO L273 TraceCheckUtils]: 13: Hoare triple {1468#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1472#(and (= (select ULTIMATE.start_main_~str2~6 5) (select ULTIMATE.start_main_~str1~6 0)) (<= 6 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)))} is VALID [2018-12-17 14:12:35,048 INFO L273 TraceCheckUtils]: 14: Hoare triple {1472#(and (= (select ULTIMATE.start_main_~str2~6 5) (select ULTIMATE.start_main_~str1~6 0)) (<= 6 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1409#false} is VALID [2018-12-17 14:12:35,048 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2018-12-17 14:12:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-17 14:12:35,049 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:35,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:35,167 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:35,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:35,179 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:12:35,414 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2018-12-17 14:12:35,415 INFO L273 TraceCheckUtils]: 14: Hoare triple {1482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1409#false} is VALID [2018-12-17 14:12:35,416 INFO L273 TraceCheckUtils]: 13: Hoare triple {1486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:35,418 INFO L273 TraceCheckUtils]: 12: Hoare triple {1490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:35,419 INFO L273 TraceCheckUtils]: 11: Hoare triple {1494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:12:35,420 INFO L273 TraceCheckUtils]: 10: Hoare triple {1498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:35,422 INFO L273 TraceCheckUtils]: 9: Hoare triple {1502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:35,423 INFO L273 TraceCheckUtils]: 8: Hoare triple {1506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:12:35,424 INFO L273 TraceCheckUtils]: 7: Hoare triple {1408#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:35,424 INFO L273 TraceCheckUtils]: 6: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,425 INFO L273 TraceCheckUtils]: 5: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,425 INFO L273 TraceCheckUtils]: 4: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,425 INFO L273 TraceCheckUtils]: 3: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,425 INFO L273 TraceCheckUtils]: 2: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,426 INFO L273 TraceCheckUtils]: 1: Hoare triple {1408#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1408#true} is VALID [2018-12-17 14:12:35,426 INFO L273 TraceCheckUtils]: 0: Hoare triple {1408#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1408#true} is VALID [2018-12-17 14:12:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-17 14:12:35,446 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:35,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2018-12-17 14:12:35,446 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:35,447 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2018-12-17 14:12:35,447 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:35,447 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2018-12-17 14:12:35,488 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:35,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-17 14:12:35,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-17 14:12:35,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2018-12-17 14:12:35,490 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 23 states. [2018-12-17 14:12:37,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:37,411 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2018-12-17 14:12:37,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-17 14:12:37,411 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2018-12-17 14:12:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-17 14:12:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2018-12-17 14:12:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-17 14:12:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2018-12-17 14:12:37,414 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 33 transitions. [2018-12-17 14:12:37,456 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:37,457 INFO L225 Difference]: With dead ends: 29 [2018-12-17 14:12:37,457 INFO L226 Difference]: Without dead ends: 19 [2018-12-17 14:12:37,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=277, Invalid=1363, Unknown=0, NotChecked=0, Total=1640 [2018-12-17 14:12:37,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-12-17 14:12:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-12-17 14:12:37,600 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:37,601 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2018-12-17 14:12:37,601 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-12-17 14:12:37,601 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-12-17 14:12:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:37,602 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-12-17 14:12:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-17 14:12:37,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:37,603 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:37,603 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-12-17 14:12:37,603 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-12-17 14:12:37,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:37,604 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-12-17 14:12:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-17 14:12:37,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:37,604 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:37,604 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:37,605 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-12-17 14:12:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-12-17 14:12:37,605 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2018-12-17 14:12:37,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:37,606 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-12-17 14:12:37,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-17 14:12:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-17 14:12:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-17 14:12:37,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:37,607 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1] [2018-12-17 14:12:37,607 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:37,607 INFO L82 PathProgramCache]: Analyzing trace with hash 701707477, now seen corresponding path program 10 times [2018-12-17 14:12:37,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:37,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:37,608 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:37,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:37,608 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:37,965 INFO L273 TraceCheckUtils]: 0: Hoare triple {1681#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:37,966 INFO L273 TraceCheckUtils]: 1: Hoare triple {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:37,968 INFO L273 TraceCheckUtils]: 2: Hoare triple {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:37,970 INFO L273 TraceCheckUtils]: 3: Hoare triple {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:37,971 INFO L273 TraceCheckUtils]: 4: Hoare triple {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:37,972 INFO L273 TraceCheckUtils]: 5: Hoare triple {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:37,973 INFO L273 TraceCheckUtils]: 6: Hoare triple {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1689#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:12:37,974 INFO L273 TraceCheckUtils]: 7: Hoare triple {1689#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:37,976 INFO L273 TraceCheckUtils]: 8: Hoare triple {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:37,977 INFO L273 TraceCheckUtils]: 9: Hoare triple {1691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:37,978 INFO L273 TraceCheckUtils]: 10: Hoare triple {1692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:37,979 INFO L273 TraceCheckUtils]: 11: Hoare triple {1693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:37,980 INFO L273 TraceCheckUtils]: 12: Hoare triple {1694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:37,981 INFO L273 TraceCheckUtils]: 13: Hoare triple {1695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:37,982 INFO L273 TraceCheckUtils]: 14: Hoare triple {1696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:37,984 INFO L273 TraceCheckUtils]: 15: Hoare triple {1697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:37,985 INFO L273 TraceCheckUtils]: 16: Hoare triple {1698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1682#false} is VALID [2018-12-17 14:12:37,985 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2018-12-17 14:12:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:37,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:37,987 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:37,987 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:37,987 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:37,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:37,988 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:37,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:37,998 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:12:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:38,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:38,488 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:38,490 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:38,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:38,497 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:12:38,500 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:38,501 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_43]. (and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_43 6 (select ULTIMATE.start_main_~str1~6 0))) (<= 7 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:38,501 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 6) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 7) (<= 7 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:38,543 INFO L273 TraceCheckUtils]: 0: Hoare triple {1681#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,544 INFO L273 TraceCheckUtils]: 1: Hoare triple {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,545 INFO L273 TraceCheckUtils]: 2: Hoare triple {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,547 INFO L273 TraceCheckUtils]: 3: Hoare triple {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:38,548 INFO L273 TraceCheckUtils]: 4: Hoare triple {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,549 INFO L273 TraceCheckUtils]: 5: Hoare triple {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:38,550 INFO L273 TraceCheckUtils]: 6: Hoare triple {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,551 INFO L273 TraceCheckUtils]: 7: Hoare triple {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1724#(and (<= ULTIMATE.start_main_~i~6 7) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,552 INFO L273 TraceCheckUtils]: 8: Hoare triple {1724#(and (<= ULTIMATE.start_main_~i~6 7) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1728#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 0) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,553 INFO L273 TraceCheckUtils]: 9: Hoare triple {1728#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 0) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1732#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 1) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,554 INFO L273 TraceCheckUtils]: 10: Hoare triple {1732#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 1) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1736#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 2) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,555 INFO L273 TraceCheckUtils]: 11: Hoare triple {1736#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 2) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1740#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 3) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,556 INFO L273 TraceCheckUtils]: 12: Hoare triple {1740#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 3) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1744#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 4) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,557 INFO L273 TraceCheckUtils]: 13: Hoare triple {1744#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 4) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1748#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 5) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,558 INFO L273 TraceCheckUtils]: 14: Hoare triple {1748#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 5) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1752#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 6) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,559 INFO L273 TraceCheckUtils]: 15: Hoare triple {1752#(and (<= ULTIMATE.start_main_~MAX~6 7) (= ULTIMATE.start_main_~j~6 6) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1756#(and (= (select ULTIMATE.start_main_~str2~6 6) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 7) (<= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,561 INFO L273 TraceCheckUtils]: 16: Hoare triple {1756#(and (= (select ULTIMATE.start_main_~str2~6 6) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 7) (<= 7 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1682#false} is VALID [2018-12-17 14:12:38,561 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2018-12-17 14:12:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:38,562 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:38,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:38,599 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:38,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:38,604 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:12:38,606 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:38,607 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:12:38,607 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:12:38,743 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2018-12-17 14:12:38,744 INFO L273 TraceCheckUtils]: 16: Hoare triple {1698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1682#false} is VALID [2018-12-17 14:12:38,745 INFO L273 TraceCheckUtils]: 15: Hoare triple {1697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:38,746 INFO L273 TraceCheckUtils]: 14: Hoare triple {1696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:38,746 INFO L273 TraceCheckUtils]: 13: Hoare triple {1695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:38,748 INFO L273 TraceCheckUtils]: 12: Hoare triple {1694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:38,749 INFO L273 TraceCheckUtils]: 11: Hoare triple {1693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:38,750 INFO L273 TraceCheckUtils]: 10: Hoare triple {1692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:38,751 INFO L273 TraceCheckUtils]: 9: Hoare triple {1691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:38,752 INFO L273 TraceCheckUtils]: 8: Hoare triple {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:38,753 INFO L273 TraceCheckUtils]: 7: Hoare triple {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1690#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 7 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:38,754 INFO L273 TraceCheckUtils]: 6: Hoare triple {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1720#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,755 INFO L273 TraceCheckUtils]: 5: Hoare triple {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1688#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:38,756 INFO L273 TraceCheckUtils]: 4: Hoare triple {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1687#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,757 INFO L273 TraceCheckUtils]: 3: Hoare triple {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1686#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:38,759 INFO L273 TraceCheckUtils]: 2: Hoare triple {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1685#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,760 INFO L273 TraceCheckUtils]: 1: Hoare triple {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1684#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,761 INFO L273 TraceCheckUtils]: 0: Hoare triple {1681#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1683#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:38,782 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:38,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2018-12-17 14:12:38,783 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:38,783 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2018-12-17 14:12:38,783 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:38,783 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2018-12-17 14:12:38,816 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:38,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-17 14:12:38,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-17 14:12:38,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2018-12-17 14:12:38,817 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 28 states. [2018-12-17 14:12:40,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:40,784 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2018-12-17 14:12:40,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-17 14:12:40,785 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2018-12-17 14:12:40,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-17 14:12:40,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2018-12-17 14:12:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-17 14:12:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2018-12-17 14:12:40,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 26 transitions. [2018-12-17 14:12:40,817 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:40,818 INFO L225 Difference]: With dead ends: 30 [2018-12-17 14:12:40,818 INFO L226 Difference]: Without dead ends: 20 [2018-12-17 14:12:40,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=1238, Unknown=0, NotChecked=0, Total=1406 [2018-12-17 14:12:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-12-17 14:12:40,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-12-17 14:12:40,949 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:40,949 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 20 states. [2018-12-17 14:12:40,949 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2018-12-17 14:12:40,950 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2018-12-17 14:12:40,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:40,951 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2018-12-17 14:12:40,951 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-12-17 14:12:40,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:40,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:40,952 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2018-12-17 14:12:40,952 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2018-12-17 14:12:40,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:40,953 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2018-12-17 14:12:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-12-17 14:12:40,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:40,953 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:40,953 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:40,953 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-17 14:12:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-12-17 14:12:40,954 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 18 [2018-12-17 14:12:40,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:40,954 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-12-17 14:12:40,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-17 14:12:40,955 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-12-17 14:12:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-17 14:12:40,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:40,955 INFO L402 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1, 1] [2018-12-17 14:12:40,956 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:40,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:40,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1547184052, now seen corresponding path program 11 times [2018-12-17 14:12:40,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:40,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:40,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:40,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:40,957 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:41,122 INFO L273 TraceCheckUtils]: 0: Hoare triple {1968#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,123 INFO L273 TraceCheckUtils]: 1: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,124 INFO L273 TraceCheckUtils]: 2: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,125 INFO L273 TraceCheckUtils]: 3: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,126 INFO L273 TraceCheckUtils]: 4: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,127 INFO L273 TraceCheckUtils]: 5: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,128 INFO L273 TraceCheckUtils]: 6: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,129 INFO L273 TraceCheckUtils]: 7: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,130 INFO L273 TraceCheckUtils]: 8: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:41,131 INFO L273 TraceCheckUtils]: 9: Hoare triple {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,132 INFO L273 TraceCheckUtils]: 10: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,133 INFO L273 TraceCheckUtils]: 11: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,134 INFO L273 TraceCheckUtils]: 12: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,135 INFO L273 TraceCheckUtils]: 13: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,136 INFO L273 TraceCheckUtils]: 14: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,138 INFO L273 TraceCheckUtils]: 15: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,139 INFO L273 TraceCheckUtils]: 16: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,139 INFO L273 TraceCheckUtils]: 17: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1969#false} is VALID [2018-12-17 14:12:41,140 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2018-12-17 14:12:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:41,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:41,141 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:41,141 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:41,142 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:41,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:41,142 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:41,152 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:12:41,152 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:12:41,174 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-17 14:12:41,175 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:41,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:41,280 INFO L273 TraceCheckUtils]: 0: Hoare triple {1968#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,281 INFO L273 TraceCheckUtils]: 1: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,282 INFO L273 TraceCheckUtils]: 2: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,283 INFO L273 TraceCheckUtils]: 3: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,288 INFO L273 TraceCheckUtils]: 4: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,290 INFO L273 TraceCheckUtils]: 5: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,291 INFO L273 TraceCheckUtils]: 6: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,292 INFO L273 TraceCheckUtils]: 7: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,292 INFO L273 TraceCheckUtils]: 8: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:41,293 INFO L273 TraceCheckUtils]: 9: Hoare triple {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,294 INFO L273 TraceCheckUtils]: 10: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,296 INFO L273 TraceCheckUtils]: 11: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,297 INFO L273 TraceCheckUtils]: 12: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,297 INFO L273 TraceCheckUtils]: 13: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,298 INFO L273 TraceCheckUtils]: 14: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,299 INFO L273 TraceCheckUtils]: 15: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,299 INFO L273 TraceCheckUtils]: 16: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,300 INFO L273 TraceCheckUtils]: 17: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1969#false} is VALID [2018-12-17 14:12:41,300 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2018-12-17 14:12:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:41,300 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:41,487 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2018-12-17 14:12:41,491 INFO L273 TraceCheckUtils]: 17: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {1969#false} is VALID [2018-12-17 14:12:41,492 INFO L273 TraceCheckUtils]: 16: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,493 INFO L273 TraceCheckUtils]: 15: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,493 INFO L273 TraceCheckUtils]: 14: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,494 INFO L273 TraceCheckUtils]: 13: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,494 INFO L273 TraceCheckUtils]: 12: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,495 INFO L273 TraceCheckUtils]: 11: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,495 INFO L273 TraceCheckUtils]: 10: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,497 INFO L273 TraceCheckUtils]: 9: Hoare triple {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,498 INFO L273 TraceCheckUtils]: 8: Hoare triple {1977#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1978#(<= 8 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:41,499 INFO L273 TraceCheckUtils]: 7: Hoare triple {1976#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1977#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,500 INFO L273 TraceCheckUtils]: 6: Hoare triple {1975#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1976#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,501 INFO L273 TraceCheckUtils]: 5: Hoare triple {1974#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1975#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,502 INFO L273 TraceCheckUtils]: 4: Hoare triple {1973#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1974#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,503 INFO L273 TraceCheckUtils]: 3: Hoare triple {1972#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1973#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,504 INFO L273 TraceCheckUtils]: 2: Hoare triple {1971#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1972#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,505 INFO L273 TraceCheckUtils]: 1: Hoare triple {1970#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {1971#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,505 INFO L273 TraceCheckUtils]: 0: Hoare triple {1968#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {1970#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:41,526 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:41,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 10 [2018-12-17 14:12:41,527 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:41,527 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2018-12-17 14:12:41,527 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:41,527 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2018-12-17 14:12:41,549 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:41,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-17 14:12:41,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-17 14:12:41,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-12-17 14:12:41,549 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 11 states. [2018-12-17 14:12:42,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:42,323 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2018-12-17 14:12:42,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-17 14:12:42,324 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2018-12-17 14:12:42,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-17 14:12:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2018-12-17 14:12:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-17 14:12:42,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2018-12-17 14:12:42,326 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 24 transitions. [2018-12-17 14:12:42,352 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:42,353 INFO L225 Difference]: With dead ends: 23 [2018-12-17 14:12:42,353 INFO L226 Difference]: Without dead ends: 21 [2018-12-17 14:12:42,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 29 SyntacticMatches, 16 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-12-17 14:12:42,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-17 14:12:42,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-12-17 14:12:42,513 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:42,513 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2018-12-17 14:12:42,513 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2018-12-17 14:12:42,513 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2018-12-17 14:12:42,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:42,514 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-12-17 14:12:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-17 14:12:42,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:42,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:42,515 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2018-12-17 14:12:42,515 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2018-12-17 14:12:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:42,516 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-12-17 14:12:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-17 14:12:42,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:42,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:42,516 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:42,517 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-17 14:12:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-12-17 14:12:42,517 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2018-12-17 14:12:42,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:42,517 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-12-17 14:12:42,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-17 14:12:42,518 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-17 14:12:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-17 14:12:42,518 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:42,518 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1] [2018-12-17 14:12:42,519 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:42,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:42,519 INFO L82 PathProgramCache]: Analyzing trace with hash -718063542, now seen corresponding path program 12 times [2018-12-17 14:12:42,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:42,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:42,520 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:42,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:42,520 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:42,992 INFO L273 TraceCheckUtils]: 0: Hoare triple {2230#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2232#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:42,993 INFO L273 TraceCheckUtils]: 1: Hoare triple {2232#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2233#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:42,995 INFO L273 TraceCheckUtils]: 2: Hoare triple {2233#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2234#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:42,996 INFO L273 TraceCheckUtils]: 3: Hoare triple {2234#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2235#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:42,997 INFO L273 TraceCheckUtils]: 4: Hoare triple {2235#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2236#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:42,998 INFO L273 TraceCheckUtils]: 5: Hoare triple {2236#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2237#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:42,999 INFO L273 TraceCheckUtils]: 6: Hoare triple {2237#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2238#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:43,000 INFO L273 TraceCheckUtils]: 7: Hoare triple {2238#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2239#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7)))} is VALID [2018-12-17 14:12:43,002 INFO L273 TraceCheckUtils]: 8: Hoare triple {2239#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2240#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 8 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:43,003 INFO L273 TraceCheckUtils]: 9: Hoare triple {2240#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 8 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2241#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,004 INFO L273 TraceCheckUtils]: 10: Hoare triple {2241#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2242#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,005 INFO L273 TraceCheckUtils]: 11: Hoare triple {2242#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2243#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,006 INFO L273 TraceCheckUtils]: 12: Hoare triple {2243#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2244#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,007 INFO L273 TraceCheckUtils]: 13: Hoare triple {2244#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2245#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,009 INFO L273 TraceCheckUtils]: 14: Hoare triple {2245#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2246#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,010 INFO L273 TraceCheckUtils]: 15: Hoare triple {2246#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2247#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,011 INFO L273 TraceCheckUtils]: 16: Hoare triple {2247#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2248#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:43,012 INFO L273 TraceCheckUtils]: 17: Hoare triple {2248#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2249#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:43,013 INFO L273 TraceCheckUtils]: 18: Hoare triple {2249#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2231#false} is VALID [2018-12-17 14:12:43,013 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2018-12-17 14:12:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:43,015 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:43,015 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:43,015 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:43,016 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:43,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:43,016 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:43,026 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:12:43,026 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:12:43,040 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:12:43,040 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:43,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:43,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:43,326 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:43,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:43,332 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:12:43,335 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:43,336 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_58]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_58 7 (select ULTIMATE.start_main_~str1~6 0))) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9))) [2018-12-17 14:12:43,336 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 7)) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9))) [2018-12-17 14:12:43,383 INFO L273 TraceCheckUtils]: 0: Hoare triple {2230#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2230#true} is VALID [2018-12-17 14:12:43,383 INFO L273 TraceCheckUtils]: 1: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,383 INFO L273 TraceCheckUtils]: 2: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,383 INFO L273 TraceCheckUtils]: 3: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,383 INFO L273 TraceCheckUtils]: 4: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,384 INFO L273 TraceCheckUtils]: 5: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,384 INFO L273 TraceCheckUtils]: 6: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,384 INFO L273 TraceCheckUtils]: 7: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,384 INFO L273 TraceCheckUtils]: 8: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,385 INFO L273 TraceCheckUtils]: 9: Hoare triple {2230#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2280#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:43,385 INFO L273 TraceCheckUtils]: 10: Hoare triple {2280#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2284#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:12:43,386 INFO L273 TraceCheckUtils]: 11: Hoare triple {2284#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2288#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:12:43,387 INFO L273 TraceCheckUtils]: 12: Hoare triple {2288#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2292#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:12:43,387 INFO L273 TraceCheckUtils]: 13: Hoare triple {2292#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2296#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:12:43,388 INFO L273 TraceCheckUtils]: 14: Hoare triple {2296#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2300#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:43,389 INFO L273 TraceCheckUtils]: 15: Hoare triple {2300#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:12:43,390 INFO L273 TraceCheckUtils]: 16: Hoare triple {2304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2308#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:12:43,391 INFO L273 TraceCheckUtils]: 17: Hoare triple {2308#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2312#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 7)) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)))} is VALID [2018-12-17 14:12:43,393 INFO L273 TraceCheckUtils]: 18: Hoare triple {2312#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 7)) (<= 8 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2231#false} is VALID [2018-12-17 14:12:43,393 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2018-12-17 14:12:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-17 14:12:43,395 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:43,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:43,543 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:43,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:43,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:12:43,560 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:43,561 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:12:43,561 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:43,956 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2018-12-17 14:12:43,957 INFO L273 TraceCheckUtils]: 18: Hoare triple {2322#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2231#false} is VALID [2018-12-17 14:12:43,959 INFO L273 TraceCheckUtils]: 17: Hoare triple {2326#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2322#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:43,971 INFO L273 TraceCheckUtils]: 16: Hoare triple {2330#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2326#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:43,972 INFO L273 TraceCheckUtils]: 15: Hoare triple {2334#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2330#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:12:43,973 INFO L273 TraceCheckUtils]: 14: Hoare triple {2338#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2334#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:43,974 INFO L273 TraceCheckUtils]: 13: Hoare triple {2342#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2338#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:43,974 INFO L273 TraceCheckUtils]: 12: Hoare triple {2346#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2342#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:12:43,975 INFO L273 TraceCheckUtils]: 11: Hoare triple {2350#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2346#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:43,976 INFO L273 TraceCheckUtils]: 10: Hoare triple {2354#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2350#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:43,978 INFO L273 TraceCheckUtils]: 9: Hoare triple {2230#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2354#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:43,978 INFO L273 TraceCheckUtils]: 8: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,978 INFO L273 TraceCheckUtils]: 7: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,978 INFO L273 TraceCheckUtils]: 6: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,979 INFO L273 TraceCheckUtils]: 5: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,979 INFO L273 TraceCheckUtils]: 4: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,979 INFO L273 TraceCheckUtils]: 3: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,979 INFO L273 TraceCheckUtils]: 2: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,980 INFO L273 TraceCheckUtils]: 1: Hoare triple {2230#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2230#true} is VALID [2018-12-17 14:12:43,980 INFO L273 TraceCheckUtils]: 0: Hoare triple {2230#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2230#true} is VALID [2018-12-17 14:12:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-17 14:12:44,000 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:44,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 11] total 38 [2018-12-17 14:12:44,001 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:44,001 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2018-12-17 14:12:44,001 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:44,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2018-12-17 14:12:44,034 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:44,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-12-17 14:12:44,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-12-17 14:12:44,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1188, Unknown=0, NotChecked=0, Total=1406 [2018-12-17 14:12:44,035 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 29 states. [2018-12-17 14:12:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:46,580 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-12-17 14:12:46,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-17 14:12:46,580 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2018-12-17 14:12:46,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-17 14:12:46,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2018-12-17 14:12:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-17 14:12:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2018-12-17 14:12:46,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 39 transitions. [2018-12-17 14:12:46,634 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:46,635 INFO L225 Difference]: With dead ends: 35 [2018-12-17 14:12:46,635 INFO L226 Difference]: Without dead ends: 23 [2018-12-17 14:12:46,637 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=403, Invalid=2147, Unknown=0, NotChecked=0, Total=2550 [2018-12-17 14:12:46,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-12-17 14:12:46,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-12-17 14:12:46,804 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:46,804 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2018-12-17 14:12:46,804 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-12-17 14:12:46,804 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-12-17 14:12:46,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:46,806 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2018-12-17 14:12:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-17 14:12:46,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:46,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:46,807 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-12-17 14:12:46,807 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-12-17 14:12:46,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:46,808 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2018-12-17 14:12:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-17 14:12:46,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:46,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:46,808 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:46,809 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-17 14:12:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-12-17 14:12:46,809 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2018-12-17 14:12:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:46,810 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-12-17 14:12:46,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-12-17 14:12:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-17 14:12:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-17 14:12:46,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:46,810 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1] [2018-12-17 14:12:46,811 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:46,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:46,811 INFO L82 PathProgramCache]: Analyzing trace with hash -317821643, now seen corresponding path program 13 times [2018-12-17 14:12:46,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:46,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:46,812 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:46,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:46,812 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:47,494 INFO L273 TraceCheckUtils]: 0: Hoare triple {2567#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:47,495 INFO L273 TraceCheckUtils]: 1: Hoare triple {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:47,497 INFO L273 TraceCheckUtils]: 2: Hoare triple {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:47,498 INFO L273 TraceCheckUtils]: 3: Hoare triple {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:47,499 INFO L273 TraceCheckUtils]: 4: Hoare triple {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:47,500 INFO L273 TraceCheckUtils]: 5: Hoare triple {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:47,501 INFO L273 TraceCheckUtils]: 6: Hoare triple {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:47,502 INFO L273 TraceCheckUtils]: 7: Hoare triple {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:12:47,503 INFO L273 TraceCheckUtils]: 8: Hoare triple {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2577#(or (and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2018-12-17 14:12:47,505 INFO L273 TraceCheckUtils]: 9: Hoare triple {2577#(or (and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:47,506 INFO L273 TraceCheckUtils]: 10: Hoare triple {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2579#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,507 INFO L273 TraceCheckUtils]: 11: Hoare triple {2579#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2580#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,508 INFO L273 TraceCheckUtils]: 12: Hoare triple {2580#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2581#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,509 INFO L273 TraceCheckUtils]: 13: Hoare triple {2581#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2582#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,510 INFO L273 TraceCheckUtils]: 14: Hoare triple {2582#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2583#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,511 INFO L273 TraceCheckUtils]: 15: Hoare triple {2583#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2584#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,512 INFO L273 TraceCheckUtils]: 16: Hoare triple {2584#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2585#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,513 INFO L273 TraceCheckUtils]: 17: Hoare triple {2585#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2586#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,514 INFO L273 TraceCheckUtils]: 18: Hoare triple {2586#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2587#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:47,515 INFO L273 TraceCheckUtils]: 19: Hoare triple {2587#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2588#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:47,517 INFO L273 TraceCheckUtils]: 20: Hoare triple {2588#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2568#false} is VALID [2018-12-17 14:12:47,517 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2018-12-17 14:12:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:47,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:47,519 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:47,519 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:47,519 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:47,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:47,519 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:47,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:47,529 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:12:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:47,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:47,992 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:47,994 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:48,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:48,004 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:12:48,006 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:48,006 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_67]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_67 8 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:48,006 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 8))) [2018-12-17 14:12:48,068 INFO L273 TraceCheckUtils]: 0: Hoare triple {2567#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,069 INFO L273 TraceCheckUtils]: 1: Hoare triple {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,071 INFO L273 TraceCheckUtils]: 2: Hoare triple {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,072 INFO L273 TraceCheckUtils]: 3: Hoare triple {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:48,073 INFO L273 TraceCheckUtils]: 4: Hoare triple {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,074 INFO L273 TraceCheckUtils]: 5: Hoare triple {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:48,075 INFO L273 TraceCheckUtils]: 6: Hoare triple {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,076 INFO L273 TraceCheckUtils]: 7: Hoare triple {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:12:48,077 INFO L273 TraceCheckUtils]: 8: Hoare triple {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,078 INFO L273 TraceCheckUtils]: 9: Hoare triple {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2620#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:48,079 INFO L273 TraceCheckUtils]: 10: Hoare triple {2620#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2624#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0))} is VALID [2018-12-17 14:12:48,080 INFO L273 TraceCheckUtils]: 11: Hoare triple {2624#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2628#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} is VALID [2018-12-17 14:12:48,081 INFO L273 TraceCheckUtils]: 12: Hoare triple {2628#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2632#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:12:48,098 INFO L273 TraceCheckUtils]: 13: Hoare triple {2632#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2636#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:12:48,099 INFO L273 TraceCheckUtils]: 14: Hoare triple {2636#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2640#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} is VALID [2018-12-17 14:12:48,099 INFO L273 TraceCheckUtils]: 15: Hoare triple {2640#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2644#(and (<= ULTIMATE.start_main_~MAX~6 9) (= ULTIMATE.start_main_~j~6 5) (<= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:48,100 INFO L273 TraceCheckUtils]: 16: Hoare triple {2644#(and (<= ULTIMATE.start_main_~MAX~6 9) (= ULTIMATE.start_main_~j~6 5) (<= 9 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2648#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:12:48,100 INFO L273 TraceCheckUtils]: 17: Hoare triple {2648#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2652#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:48,101 INFO L273 TraceCheckUtils]: 18: Hoare triple {2652#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2656#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:12:48,101 INFO L273 TraceCheckUtils]: 19: Hoare triple {2656#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2660#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 8)))} is VALID [2018-12-17 14:12:48,102 INFO L273 TraceCheckUtils]: 20: Hoare triple {2660#(and (<= ULTIMATE.start_main_~MAX~6 9) (<= 9 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 8)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2568#false} is VALID [2018-12-17 14:12:48,102 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2018-12-17 14:12:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:48,104 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:48,194 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:48,196 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:48,199 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:48,199 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:12:48,201 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:48,201 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:12:48,202 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:12:48,338 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2018-12-17 14:12:48,339 INFO L273 TraceCheckUtils]: 20: Hoare triple {2588#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2568#false} is VALID [2018-12-17 14:12:48,340 INFO L273 TraceCheckUtils]: 19: Hoare triple {2587#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2588#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:48,341 INFO L273 TraceCheckUtils]: 18: Hoare triple {2586#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2587#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,343 INFO L273 TraceCheckUtils]: 17: Hoare triple {2585#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2586#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,344 INFO L273 TraceCheckUtils]: 16: Hoare triple {2584#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2585#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,345 INFO L273 TraceCheckUtils]: 15: Hoare triple {2583#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2584#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,346 INFO L273 TraceCheckUtils]: 14: Hoare triple {2582#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2583#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,347 INFO L273 TraceCheckUtils]: 13: Hoare triple {2581#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2582#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,348 INFO L273 TraceCheckUtils]: 12: Hoare triple {2580#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2581#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,349 INFO L273 TraceCheckUtils]: 11: Hoare triple {2579#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2580#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,350 INFO L273 TraceCheckUtils]: 10: Hoare triple {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2579#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:48,351 INFO L273 TraceCheckUtils]: 9: Hoare triple {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2578#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 9 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:48,352 INFO L273 TraceCheckUtils]: 8: Hoare triple {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2616#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,353 INFO L273 TraceCheckUtils]: 7: Hoare triple {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2576#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:12:48,354 INFO L273 TraceCheckUtils]: 6: Hoare triple {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2575#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,355 INFO L273 TraceCheckUtils]: 5: Hoare triple {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2574#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:48,356 INFO L273 TraceCheckUtils]: 4: Hoare triple {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2573#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,357 INFO L273 TraceCheckUtils]: 3: Hoare triple {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2572#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:48,358 INFO L273 TraceCheckUtils]: 2: Hoare triple {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2571#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,359 INFO L273 TraceCheckUtils]: 1: Hoare triple {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2570#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,360 INFO L273 TraceCheckUtils]: 0: Hoare triple {2567#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2569#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:48,380 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:48,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 33 [2018-12-17 14:12:48,381 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:48,381 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2018-12-17 14:12:48,381 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:48,382 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states. [2018-12-17 14:12:48,418 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:48,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-12-17 14:12:48,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-12-17 14:12:48,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2018-12-17 14:12:48,420 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 34 states. [2018-12-17 14:12:50,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:50,795 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-12-17 14:12:50,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-17 14:12:50,796 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2018-12-17 14:12:50,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-17 14:12:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2018-12-17 14:12:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-17 14:12:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2018-12-17 14:12:50,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 30 transitions. [2018-12-17 14:12:50,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:50,835 INFO L225 Difference]: With dead ends: 36 [2018-12-17 14:12:50,835 INFO L226 Difference]: Without dead ends: 24 [2018-12-17 14:12:50,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 25 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=206, Invalid=1864, Unknown=0, NotChecked=0, Total=2070 [2018-12-17 14:12:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-12-17 14:12:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-12-17 14:12:51,042 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:51,042 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 24 states. [2018-12-17 14:12:51,043 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2018-12-17 14:12:51,043 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2018-12-17 14:12:51,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:51,044 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-12-17 14:12:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-12-17 14:12:51,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:51,044 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:51,044 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2018-12-17 14:12:51,045 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2018-12-17 14:12:51,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:51,045 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-12-17 14:12:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-12-17 14:12:51,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:51,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:51,046 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:51,046 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-12-17 14:12:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-12-17 14:12:51,047 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2018-12-17 14:12:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:51,047 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-12-17 14:12:51,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-12-17 14:12:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-12-17 14:12:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-17 14:12:51,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:51,048 INFO L402 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1, 1] [2018-12-17 14:12:51,049 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:51,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:51,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1283882284, now seen corresponding path program 14 times [2018-12-17 14:12:51,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:51,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:51,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:12:51,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:51,050 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:52,126 INFO L273 TraceCheckUtils]: 0: Hoare triple {2916#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,127 INFO L273 TraceCheckUtils]: 1: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,128 INFO L273 TraceCheckUtils]: 2: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,129 INFO L273 TraceCheckUtils]: 3: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,130 INFO L273 TraceCheckUtils]: 4: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,131 INFO L273 TraceCheckUtils]: 5: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,132 INFO L273 TraceCheckUtils]: 6: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,133 INFO L273 TraceCheckUtils]: 7: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,134 INFO L273 TraceCheckUtils]: 8: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,136 INFO L273 TraceCheckUtils]: 9: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,137 INFO L273 TraceCheckUtils]: 10: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:52,138 INFO L273 TraceCheckUtils]: 11: Hoare triple {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,139 INFO L273 TraceCheckUtils]: 12: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,140 INFO L273 TraceCheckUtils]: 13: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,141 INFO L273 TraceCheckUtils]: 14: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,141 INFO L273 TraceCheckUtils]: 15: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,142 INFO L273 TraceCheckUtils]: 16: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,143 INFO L273 TraceCheckUtils]: 17: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,144 INFO L273 TraceCheckUtils]: 18: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,145 INFO L273 TraceCheckUtils]: 19: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,146 INFO L273 TraceCheckUtils]: 20: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,147 INFO L273 TraceCheckUtils]: 21: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2917#false} is VALID [2018-12-17 14:12:52,147 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2018-12-17 14:12:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:52,148 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:52,149 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:52,149 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:52,149 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:52,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:52,150 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:52,160 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:12:52,160 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:12:52,189 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-12-17 14:12:52,189 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:52,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:52,340 INFO L273 TraceCheckUtils]: 0: Hoare triple {2916#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,341 INFO L273 TraceCheckUtils]: 1: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,342 INFO L273 TraceCheckUtils]: 2: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,343 INFO L273 TraceCheckUtils]: 3: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,344 INFO L273 TraceCheckUtils]: 4: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,345 INFO L273 TraceCheckUtils]: 5: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,346 INFO L273 TraceCheckUtils]: 6: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,347 INFO L273 TraceCheckUtils]: 7: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,348 INFO L273 TraceCheckUtils]: 8: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,349 INFO L273 TraceCheckUtils]: 9: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,350 INFO L273 TraceCheckUtils]: 10: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:52,351 INFO L273 TraceCheckUtils]: 11: Hoare triple {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,352 INFO L273 TraceCheckUtils]: 12: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,353 INFO L273 TraceCheckUtils]: 13: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,354 INFO L273 TraceCheckUtils]: 14: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,355 INFO L273 TraceCheckUtils]: 15: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,356 INFO L273 TraceCheckUtils]: 16: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,357 INFO L273 TraceCheckUtils]: 17: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,358 INFO L273 TraceCheckUtils]: 18: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,358 INFO L273 TraceCheckUtils]: 19: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,359 INFO L273 TraceCheckUtils]: 20: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,360 INFO L273 TraceCheckUtils]: 21: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2917#false} is VALID [2018-12-17 14:12:52,360 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2018-12-17 14:12:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:52,361 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:52,648 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2018-12-17 14:12:52,649 INFO L273 TraceCheckUtils]: 21: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {2917#false} is VALID [2018-12-17 14:12:52,650 INFO L273 TraceCheckUtils]: 20: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,650 INFO L273 TraceCheckUtils]: 19: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,651 INFO L273 TraceCheckUtils]: 18: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,652 INFO L273 TraceCheckUtils]: 17: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,652 INFO L273 TraceCheckUtils]: 16: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,653 INFO L273 TraceCheckUtils]: 15: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,654 INFO L273 TraceCheckUtils]: 14: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,655 INFO L273 TraceCheckUtils]: 13: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,656 INFO L273 TraceCheckUtils]: 12: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,657 INFO L273 TraceCheckUtils]: 11: Hoare triple {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,659 INFO L273 TraceCheckUtils]: 10: Hoare triple {2927#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2928#(<= 10 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:52,660 INFO L273 TraceCheckUtils]: 9: Hoare triple {2926#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2927#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,661 INFO L273 TraceCheckUtils]: 8: Hoare triple {2925#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2926#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,662 INFO L273 TraceCheckUtils]: 7: Hoare triple {2924#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2925#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,663 INFO L273 TraceCheckUtils]: 6: Hoare triple {2923#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2924#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,664 INFO L273 TraceCheckUtils]: 5: Hoare triple {2922#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2923#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,665 INFO L273 TraceCheckUtils]: 4: Hoare triple {2921#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2922#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,666 INFO L273 TraceCheckUtils]: 3: Hoare triple {2920#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2921#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,667 INFO L273 TraceCheckUtils]: 2: Hoare triple {2919#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2920#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,668 INFO L273 TraceCheckUtils]: 1: Hoare triple {2918#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {2919#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,669 INFO L273 TraceCheckUtils]: 0: Hoare triple {2916#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {2918#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:12:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:52,691 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:52,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 12 [2018-12-17 14:12:52,692 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:52,692 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2018-12-17 14:12:52,692 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:52,692 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2018-12-17 14:12:52,721 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:52,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-17 14:12:52,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-17 14:12:52,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-12-17 14:12:52,722 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 13 states. [2018-12-17 14:12:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:53,333 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-12-17 14:12:53,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-17 14:12:53,333 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2018-12-17 14:12:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-17 14:12:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2018-12-17 14:12:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-17 14:12:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2018-12-17 14:12:53,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 28 transitions. [2018-12-17 14:12:53,363 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:53,364 INFO L225 Difference]: With dead ends: 27 [2018-12-17 14:12:53,364 INFO L226 Difference]: Without dead ends: 25 [2018-12-17 14:12:53,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 20 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-12-17 14:12:53,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-17 14:12:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-17 14:12:53,684 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:12:53,684 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2018-12-17 14:12:53,684 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2018-12-17 14:12:53,684 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2018-12-17 14:12:53,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:53,685 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-12-17 14:12:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-17 14:12:53,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:53,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:53,686 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2018-12-17 14:12:53,687 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2018-12-17 14:12:53,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:53,687 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-12-17 14:12:53,687 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-17 14:12:53,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:12:53,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:12:53,688 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:12:53,688 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:12:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-17 14:12:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-12-17 14:12:53,689 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 23 [2018-12-17 14:12:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:12:53,689 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-12-17 14:12:53,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-17 14:12:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-17 14:12:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-17 14:12:53,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:12:53,690 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1] [2018-12-17 14:12:53,690 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:12:53,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:12:53,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1145646954, now seen corresponding path program 15 times [2018-12-17 14:12:53,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:12:53,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:53,691 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:12:53,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:12:53,692 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:12:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:54,196 INFO L273 TraceCheckUtils]: 0: Hoare triple {3232#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {3234#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:54,198 INFO L273 TraceCheckUtils]: 1: Hoare triple {3234#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3235#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:54,199 INFO L273 TraceCheckUtils]: 2: Hoare triple {3235#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3236#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:54,200 INFO L273 TraceCheckUtils]: 3: Hoare triple {3236#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3237#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:12:54,201 INFO L273 TraceCheckUtils]: 4: Hoare triple {3237#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3238#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:54,202 INFO L273 TraceCheckUtils]: 5: Hoare triple {3238#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3239#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:12:54,203 INFO L273 TraceCheckUtils]: 6: Hoare triple {3239#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3240#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:54,204 INFO L273 TraceCheckUtils]: 7: Hoare triple {3240#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3241#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:12:54,205 INFO L273 TraceCheckUtils]: 8: Hoare triple {3241#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3242#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:54,206 INFO L273 TraceCheckUtils]: 9: Hoare triple {3242#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3243#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:12:54,207 INFO L273 TraceCheckUtils]: 10: Hoare triple {3243#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3244#(or (= 10 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:54,208 INFO L273 TraceCheckUtils]: 11: Hoare triple {3244#(or (= 10 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {3245#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,209 INFO L273 TraceCheckUtils]: 12: Hoare triple {3245#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3246#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,210 INFO L273 TraceCheckUtils]: 13: Hoare triple {3246#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3247#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,212 INFO L273 TraceCheckUtils]: 14: Hoare triple {3247#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3248#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,213 INFO L273 TraceCheckUtils]: 15: Hoare triple {3248#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3249#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,214 INFO L273 TraceCheckUtils]: 16: Hoare triple {3249#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3250#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,215 INFO L273 TraceCheckUtils]: 17: Hoare triple {3250#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3251#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,216 INFO L273 TraceCheckUtils]: 18: Hoare triple {3251#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3252#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,217 INFO L273 TraceCheckUtils]: 19: Hoare triple {3252#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3253#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,218 INFO L273 TraceCheckUtils]: 20: Hoare triple {3253#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3254#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:12:54,219 INFO L273 TraceCheckUtils]: 21: Hoare triple {3254#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3255#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:12:54,220 INFO L273 TraceCheckUtils]: 22: Hoare triple {3255#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {3233#false} is VALID [2018-12-17 14:12:54,220 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2018-12-17 14:12:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:12:54,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:54,222 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:12:54,223 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:12:54,223 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:12:54,223 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:12:54,223 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:12:54,231 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:12:54,232 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:12:54,249 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:12:54,249 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:12:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:12:54,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:12:54,646 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:12:54,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:54,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:54,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:12:54,657 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:54,658 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_86]. (and (<= 10 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_86 9 (select ULTIMATE.start_main_~str1~6 0)))) [2018-12-17 14:12:54,658 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 10 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 9))) [2018-12-17 14:12:54,704 INFO L273 TraceCheckUtils]: 0: Hoare triple {3232#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {3232#true} is VALID [2018-12-17 14:12:54,705 INFO L273 TraceCheckUtils]: 1: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,705 INFO L273 TraceCheckUtils]: 2: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,705 INFO L273 TraceCheckUtils]: 3: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,705 INFO L273 TraceCheckUtils]: 4: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,706 INFO L273 TraceCheckUtils]: 5: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,706 INFO L273 TraceCheckUtils]: 6: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,706 INFO L273 TraceCheckUtils]: 7: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,706 INFO L273 TraceCheckUtils]: 8: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,706 INFO L273 TraceCheckUtils]: 9: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,707 INFO L273 TraceCheckUtils]: 10: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:54,707 INFO L273 TraceCheckUtils]: 11: Hoare triple {3232#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {3292#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:54,708 INFO L273 TraceCheckUtils]: 12: Hoare triple {3292#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3296#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:12:54,708 INFO L273 TraceCheckUtils]: 13: Hoare triple {3296#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3300#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:12:54,709 INFO L273 TraceCheckUtils]: 14: Hoare triple {3300#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:12:54,710 INFO L273 TraceCheckUtils]: 15: Hoare triple {3304#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3308#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:12:54,710 INFO L273 TraceCheckUtils]: 16: Hoare triple {3308#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3312#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:54,711 INFO L273 TraceCheckUtils]: 17: Hoare triple {3312#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:12:54,712 INFO L273 TraceCheckUtils]: 18: Hoare triple {3316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3320#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:12:54,713 INFO L273 TraceCheckUtils]: 19: Hoare triple {3320#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:12:54,714 INFO L273 TraceCheckUtils]: 20: Hoare triple {3324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3328#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:12:54,715 INFO L273 TraceCheckUtils]: 21: Hoare triple {3328#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 9)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (<= 10 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:54,716 INFO L273 TraceCheckUtils]: 22: Hoare triple {3332#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 9)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (<= 10 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {3233#false} is VALID [2018-12-17 14:12:54,717 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2018-12-17 14:12:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-17 14:12:54,719 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:12:54,808 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:12:54,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:12:54,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:12:54,823 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:12:54,826 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:12:54,826 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:12:54,826 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:12:55,322 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2018-12-17 14:12:55,323 INFO L273 TraceCheckUtils]: 22: Hoare triple {3342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {3233#false} is VALID [2018-12-17 14:12:55,324 INFO L273 TraceCheckUtils]: 21: Hoare triple {3346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3342#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:55,326 INFO L273 TraceCheckUtils]: 20: Hoare triple {3350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3346#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:55,327 INFO L273 TraceCheckUtils]: 19: Hoare triple {3354#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3350#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:12:55,328 INFO L273 TraceCheckUtils]: 18: Hoare triple {3358#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3354#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:55,329 INFO L273 TraceCheckUtils]: 17: Hoare triple {3362#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3358#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:55,350 INFO L273 TraceCheckUtils]: 16: Hoare triple {3366#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3362#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:12:55,354 INFO L273 TraceCheckUtils]: 15: Hoare triple {3370#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3366#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:12:55,356 INFO L273 TraceCheckUtils]: 14: Hoare triple {3374#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3370#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:55,356 INFO L273 TraceCheckUtils]: 13: Hoare triple {3378#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3374#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:55,357 INFO L273 TraceCheckUtils]: 12: Hoare triple {3382#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3378#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:12:55,358 INFO L273 TraceCheckUtils]: 11: Hoare triple {3232#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {3382#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:12:55,359 INFO L273 TraceCheckUtils]: 10: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,359 INFO L273 TraceCheckUtils]: 9: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,359 INFO L273 TraceCheckUtils]: 8: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,359 INFO L273 TraceCheckUtils]: 7: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,360 INFO L273 TraceCheckUtils]: 6: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,360 INFO L273 TraceCheckUtils]: 5: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,360 INFO L273 TraceCheckUtils]: 4: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,360 INFO L273 TraceCheckUtils]: 3: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,360 INFO L273 TraceCheckUtils]: 2: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,361 INFO L273 TraceCheckUtils]: 1: Hoare triple {3232#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3232#true} is VALID [2018-12-17 14:12:55,361 INFO L273 TraceCheckUtils]: 0: Hoare triple {3232#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {3232#true} is VALID [2018-12-17 14:12:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-17 14:12:55,382 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:12:55,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 46 [2018-12-17 14:12:55,382 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:12:55,383 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2018-12-17 14:12:55,383 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:12:55,383 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2018-12-17 14:12:55,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:55,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-12-17 14:12:55,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-12-17 14:12:55,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1760, Unknown=0, NotChecked=0, Total=2070 [2018-12-17 14:12:55,429 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 35 states. [2018-12-17 14:12:59,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:12:59,856 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-12-17 14:12:59,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-17 14:12:59,856 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2018-12-17 14:12:59,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:12:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-17 14:12:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-12-17 14:12:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-17 14:12:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-12-17 14:12:59,858 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 38 states and 45 transitions. [2018-12-17 14:12:59,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:12:59,914 INFO L225 Difference]: With dead ends: 41 [2018-12-17 14:12:59,914 INFO L226 Difference]: Without dead ends: 27 [2018-12-17 14:12:59,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=553, Invalid=3107, Unknown=0, NotChecked=0, Total=3660 [2018-12-17 14:12:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-17 14:13:00,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-17 14:13:00,197 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:00,197 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2018-12-17 14:13:00,198 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-12-17 14:13:00,198 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-12-17 14:13:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:00,199 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-12-17 14:13:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-17 14:13:00,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:00,199 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:00,200 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2018-12-17 14:13:00,200 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2018-12-17 14:13:00,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:00,201 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-12-17 14:13:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-17 14:13:00,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:00,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:00,201 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:00,202 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-17 14:13:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-12-17 14:13:00,202 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2018-12-17 14:13:00,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:00,203 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-12-17 14:13:00,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-12-17 14:13:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-17 14:13:00,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-17 14:13:00,203 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:00,203 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 1, 1, 1, 1] [2018-12-17 14:13:00,204 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:00,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:00,204 INFO L82 PathProgramCache]: Analyzing trace with hash 430349717, now seen corresponding path program 16 times [2018-12-17 14:13:00,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:00,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:00,205 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:13:00,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:00,205 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:00,845 INFO L273 TraceCheckUtils]: 0: Hoare triple {3633#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:00,846 INFO L273 TraceCheckUtils]: 1: Hoare triple {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:00,846 INFO L273 TraceCheckUtils]: 2: Hoare triple {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:00,847 INFO L273 TraceCheckUtils]: 3: Hoare triple {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:00,848 INFO L273 TraceCheckUtils]: 4: Hoare triple {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:00,849 INFO L273 TraceCheckUtils]: 5: Hoare triple {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:00,850 INFO L273 TraceCheckUtils]: 6: Hoare triple {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:00,851 INFO L273 TraceCheckUtils]: 7: Hoare triple {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:00,852 INFO L273 TraceCheckUtils]: 8: Hoare triple {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:00,853 INFO L273 TraceCheckUtils]: 9: Hoare triple {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:00,855 INFO L273 TraceCheckUtils]: 10: Hoare triple {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3645#(or (and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2018-12-17 14:13:00,856 INFO L273 TraceCheckUtils]: 11: Hoare triple {3645#(or (and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:00,857 INFO L273 TraceCheckUtils]: 12: Hoare triple {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {3647#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,858 INFO L273 TraceCheckUtils]: 13: Hoare triple {3647#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3648#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,859 INFO L273 TraceCheckUtils]: 14: Hoare triple {3648#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3649#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,860 INFO L273 TraceCheckUtils]: 15: Hoare triple {3649#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3650#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,861 INFO L273 TraceCheckUtils]: 16: Hoare triple {3650#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3651#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,862 INFO L273 TraceCheckUtils]: 17: Hoare triple {3651#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3652#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,863 INFO L273 TraceCheckUtils]: 18: Hoare triple {3652#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3653#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,864 INFO L273 TraceCheckUtils]: 19: Hoare triple {3653#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3654#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,865 INFO L273 TraceCheckUtils]: 20: Hoare triple {3654#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3655#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,866 INFO L273 TraceCheckUtils]: 21: Hoare triple {3655#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3656#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,867 INFO L273 TraceCheckUtils]: 22: Hoare triple {3656#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3657#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:00,868 INFO L273 TraceCheckUtils]: 23: Hoare triple {3657#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3658#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:00,869 INFO L273 TraceCheckUtils]: 24: Hoare triple {3658#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {3634#false} is VALID [2018-12-17 14:13:00,870 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2018-12-17 14:13:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:00,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:00,872 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:00,872 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:00,872 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:00,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:00,872 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:00,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:13:00,881 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:13:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:00,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:01,528 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:13:01,530 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:01,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:01,536 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:13:01,539 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:01,539 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_97]. (and (= (store v_ULTIMATE.start_main_~str2~6_97 10 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:13:01,539 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 10) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:13:01,585 INFO L273 TraceCheckUtils]: 0: Hoare triple {3633#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,586 INFO L273 TraceCheckUtils]: 1: Hoare triple {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,587 INFO L273 TraceCheckUtils]: 2: Hoare triple {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,588 INFO L273 TraceCheckUtils]: 3: Hoare triple {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:01,590 INFO L273 TraceCheckUtils]: 4: Hoare triple {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,591 INFO L273 TraceCheckUtils]: 5: Hoare triple {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:01,592 INFO L273 TraceCheckUtils]: 6: Hoare triple {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,593 INFO L273 TraceCheckUtils]: 7: Hoare triple {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:01,594 INFO L273 TraceCheckUtils]: 8: Hoare triple {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,595 INFO L273 TraceCheckUtils]: 9: Hoare triple {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,596 INFO L273 TraceCheckUtils]: 10: Hoare triple {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,597 INFO L273 TraceCheckUtils]: 11: Hoare triple {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3696#(and (<= ULTIMATE.start_main_~i~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,599 INFO L273 TraceCheckUtils]: 12: Hoare triple {3696#(and (<= ULTIMATE.start_main_~i~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {3700#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,599 INFO L273 TraceCheckUtils]: 13: Hoare triple {3700#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3704#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,600 INFO L273 TraceCheckUtils]: 14: Hoare triple {3704#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3708#(and (<= ULTIMATE.start_main_~MAX~6 11) (= ULTIMATE.start_main_~j~6 2) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,601 INFO L273 TraceCheckUtils]: 15: Hoare triple {3708#(and (<= ULTIMATE.start_main_~MAX~6 11) (= ULTIMATE.start_main_~j~6 2) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3712#(and (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,602 INFO L273 TraceCheckUtils]: 16: Hoare triple {3712#(and (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3716#(and (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,603 INFO L273 TraceCheckUtils]: 17: Hoare triple {3716#(and (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3720#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,604 INFO L273 TraceCheckUtils]: 18: Hoare triple {3720#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3724#(and (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:13:01,605 INFO L273 TraceCheckUtils]: 19: Hoare triple {3724#(and (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3728#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,606 INFO L273 TraceCheckUtils]: 20: Hoare triple {3728#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3732#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,606 INFO L273 TraceCheckUtils]: 21: Hoare triple {3732#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3736#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,607 INFO L273 TraceCheckUtils]: 22: Hoare triple {3736#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3740#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,608 INFO L273 TraceCheckUtils]: 23: Hoare triple {3740#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3744#(and (= (select ULTIMATE.start_main_~str2~6 10) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,610 INFO L273 TraceCheckUtils]: 24: Hoare triple {3744#(and (= (select ULTIMATE.start_main_~str2~6 10) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 11) (<= 11 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {3634#false} is VALID [2018-12-17 14:13:01,610 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2018-12-17 14:13:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:01,612 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:01,644 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:13:01,646 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:01,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:01,649 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:13:01,651 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:01,651 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:13:01,652 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:13:01,813 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2018-12-17 14:13:01,814 INFO L273 TraceCheckUtils]: 24: Hoare triple {3658#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {3634#false} is VALID [2018-12-17 14:13:01,815 INFO L273 TraceCheckUtils]: 23: Hoare triple {3657#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3658#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:01,816 INFO L273 TraceCheckUtils]: 22: Hoare triple {3656#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3657#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,817 INFO L273 TraceCheckUtils]: 21: Hoare triple {3655#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3656#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,818 INFO L273 TraceCheckUtils]: 20: Hoare triple {3654#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3655#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,819 INFO L273 TraceCheckUtils]: 19: Hoare triple {3653#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3654#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,820 INFO L273 TraceCheckUtils]: 18: Hoare triple {3652#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3653#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,822 INFO L273 TraceCheckUtils]: 17: Hoare triple {3651#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3652#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,823 INFO L273 TraceCheckUtils]: 16: Hoare triple {3650#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3651#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,824 INFO L273 TraceCheckUtils]: 15: Hoare triple {3649#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3650#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,825 INFO L273 TraceCheckUtils]: 14: Hoare triple {3648#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3649#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,826 INFO L273 TraceCheckUtils]: 13: Hoare triple {3647#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {3648#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,827 INFO L273 TraceCheckUtils]: 12: Hoare triple {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {3647#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:01,828 INFO L273 TraceCheckUtils]: 11: Hoare triple {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3646#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 11 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:01,829 INFO L273 TraceCheckUtils]: 10: Hoare triple {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3692#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,830 INFO L273 TraceCheckUtils]: 9: Hoare triple {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3644#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,831 INFO L273 TraceCheckUtils]: 8: Hoare triple {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3643#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,832 INFO L273 TraceCheckUtils]: 7: Hoare triple {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3642#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:01,833 INFO L273 TraceCheckUtils]: 6: Hoare triple {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3641#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,834 INFO L273 TraceCheckUtils]: 5: Hoare triple {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3640#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:01,835 INFO L273 TraceCheckUtils]: 4: Hoare triple {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3639#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,836 INFO L273 TraceCheckUtils]: 3: Hoare triple {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3638#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:01,837 INFO L273 TraceCheckUtils]: 2: Hoare triple {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3637#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,838 INFO L273 TraceCheckUtils]: 1: Hoare triple {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {3636#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,839 INFO L273 TraceCheckUtils]: 0: Hoare triple {3633#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {3635#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:01,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:01,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 39 [2018-12-17 14:13:01,862 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:01,863 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2018-12-17 14:13:01,863 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:01,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 40 states. [2018-12-17 14:13:01,919 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:01,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-12-17 14:13:01,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-12-17 14:13:01,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1445, Unknown=0, NotChecked=0, Total=1560 [2018-12-17 14:13:01,921 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 40 states. [2018-12-17 14:13:05,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:05,099 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2018-12-17 14:13:05,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-17 14:13:05,100 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2018-12-17 14:13:05,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-17 14:13:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2018-12-17 14:13:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-17 14:13:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2018-12-17 14:13:05,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 34 transitions. [2018-12-17 14:13:05,140 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:05,141 INFO L225 Difference]: With dead ends: 42 [2018-12-17 14:13:05,141 INFO L226 Difference]: Without dead ends: 28 [2018-12-17 14:13:05,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 30 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=244, Invalid=2618, Unknown=0, NotChecked=0, Total=2862 [2018-12-17 14:13:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-17 14:13:05,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-17 14:13:05,422 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:05,422 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2018-12-17 14:13:05,422 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2018-12-17 14:13:05,422 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2018-12-17 14:13:05,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:05,423 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-12-17 14:13:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-17 14:13:05,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:05,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:05,424 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2018-12-17 14:13:05,424 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2018-12-17 14:13:05,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:05,425 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-12-17 14:13:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-17 14:13:05,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:05,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:05,425 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:05,425 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-17 14:13:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-12-17 14:13:05,426 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 26 [2018-12-17 14:13:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:05,426 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-12-17 14:13:05,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-12-17 14:13:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-17 14:13:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-17 14:13:05,426 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:05,427 INFO L402 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1, 1] [2018-12-17 14:13:05,427 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:05,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:05,427 INFO L82 PathProgramCache]: Analyzing trace with hash -568862196, now seen corresponding path program 17 times [2018-12-17 14:13:05,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:05,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:05,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:13:05,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:05,428 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:05,648 INFO L273 TraceCheckUtils]: 0: Hoare triple {4044#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,649 INFO L273 TraceCheckUtils]: 1: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,650 INFO L273 TraceCheckUtils]: 2: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,650 INFO L273 TraceCheckUtils]: 3: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,651 INFO L273 TraceCheckUtils]: 4: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,652 INFO L273 TraceCheckUtils]: 5: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,653 INFO L273 TraceCheckUtils]: 6: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,654 INFO L273 TraceCheckUtils]: 7: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,655 INFO L273 TraceCheckUtils]: 8: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,656 INFO L273 TraceCheckUtils]: 9: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,657 INFO L273 TraceCheckUtils]: 10: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,658 INFO L273 TraceCheckUtils]: 11: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,659 INFO L273 TraceCheckUtils]: 12: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:05,660 INFO L273 TraceCheckUtils]: 13: Hoare triple {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,660 INFO L273 TraceCheckUtils]: 14: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,661 INFO L273 TraceCheckUtils]: 15: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,682 INFO L273 TraceCheckUtils]: 16: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,697 INFO L273 TraceCheckUtils]: 17: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,711 INFO L273 TraceCheckUtils]: 18: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,725 INFO L273 TraceCheckUtils]: 19: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,733 INFO L273 TraceCheckUtils]: 20: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,734 INFO L273 TraceCheckUtils]: 21: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,738 INFO L273 TraceCheckUtils]: 22: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,738 INFO L273 TraceCheckUtils]: 23: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,739 INFO L273 TraceCheckUtils]: 24: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:05,739 INFO L273 TraceCheckUtils]: 25: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4045#false} is VALID [2018-12-17 14:13:05,739 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2018-12-17 14:13:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:05,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:05,740 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:05,740 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:05,740 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:05,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:05,741 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:05,750 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:13:05,750 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:13:05,794 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2018-12-17 14:13:05,794 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:13:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:05,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:06,137 INFO L273 TraceCheckUtils]: 0: Hoare triple {4044#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,155 INFO L273 TraceCheckUtils]: 1: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,172 INFO L273 TraceCheckUtils]: 2: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,173 INFO L273 TraceCheckUtils]: 3: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,173 INFO L273 TraceCheckUtils]: 4: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,174 INFO L273 TraceCheckUtils]: 5: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,175 INFO L273 TraceCheckUtils]: 6: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,175 INFO L273 TraceCheckUtils]: 7: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,176 INFO L273 TraceCheckUtils]: 8: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,177 INFO L273 TraceCheckUtils]: 9: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,178 INFO L273 TraceCheckUtils]: 10: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,179 INFO L273 TraceCheckUtils]: 11: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,180 INFO L273 TraceCheckUtils]: 12: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:06,181 INFO L273 TraceCheckUtils]: 13: Hoare triple {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,182 INFO L273 TraceCheckUtils]: 14: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,183 INFO L273 TraceCheckUtils]: 15: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,184 INFO L273 TraceCheckUtils]: 16: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,185 INFO L273 TraceCheckUtils]: 17: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,185 INFO L273 TraceCheckUtils]: 18: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,186 INFO L273 TraceCheckUtils]: 19: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,187 INFO L273 TraceCheckUtils]: 20: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,188 INFO L273 TraceCheckUtils]: 21: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,189 INFO L273 TraceCheckUtils]: 22: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,190 INFO L273 TraceCheckUtils]: 23: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,191 INFO L273 TraceCheckUtils]: 24: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,192 INFO L273 TraceCheckUtils]: 25: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4045#false} is VALID [2018-12-17 14:13:06,192 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2018-12-17 14:13:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:06,193 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:06,598 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2018-12-17 14:13:06,598 INFO L273 TraceCheckUtils]: 25: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4045#false} is VALID [2018-12-17 14:13:06,599 INFO L273 TraceCheckUtils]: 24: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,599 INFO L273 TraceCheckUtils]: 23: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,600 INFO L273 TraceCheckUtils]: 22: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,601 INFO L273 TraceCheckUtils]: 21: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,601 INFO L273 TraceCheckUtils]: 20: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,602 INFO L273 TraceCheckUtils]: 19: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,603 INFO L273 TraceCheckUtils]: 18: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,604 INFO L273 TraceCheckUtils]: 17: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,605 INFO L273 TraceCheckUtils]: 16: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,606 INFO L273 TraceCheckUtils]: 15: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,607 INFO L273 TraceCheckUtils]: 14: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,608 INFO L273 TraceCheckUtils]: 13: Hoare triple {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,609 INFO L273 TraceCheckUtils]: 12: Hoare triple {4057#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4058#(<= 12 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:06,610 INFO L273 TraceCheckUtils]: 11: Hoare triple {4056#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4057#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,611 INFO L273 TraceCheckUtils]: 10: Hoare triple {4055#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4056#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,612 INFO L273 TraceCheckUtils]: 9: Hoare triple {4054#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4055#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,613 INFO L273 TraceCheckUtils]: 8: Hoare triple {4053#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4054#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,613 INFO L273 TraceCheckUtils]: 7: Hoare triple {4052#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4053#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,614 INFO L273 TraceCheckUtils]: 6: Hoare triple {4051#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4052#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,615 INFO L273 TraceCheckUtils]: 5: Hoare triple {4050#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4051#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,616 INFO L273 TraceCheckUtils]: 4: Hoare triple {4049#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4050#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,617 INFO L273 TraceCheckUtils]: 3: Hoare triple {4048#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4049#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,618 INFO L273 TraceCheckUtils]: 2: Hoare triple {4047#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4048#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,619 INFO L273 TraceCheckUtils]: 1: Hoare triple {4046#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4047#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,620 INFO L273 TraceCheckUtils]: 0: Hoare triple {4044#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4046#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:06,640 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:06,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 14 [2018-12-17 14:13:06,641 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:06,641 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2018-12-17 14:13:06,641 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:06,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2018-12-17 14:13:06,673 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:06,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-17 14:13:06,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-17 14:13:06,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-12-17 14:13:06,674 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 15 states. [2018-12-17 14:13:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:07,444 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-12-17 14:13:07,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-17 14:13:07,444 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2018-12-17 14:13:07,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-17 14:13:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2018-12-17 14:13:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-17 14:13:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2018-12-17 14:13:07,447 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 32 transitions. [2018-12-17 14:13:07,854 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:07,854 INFO L225 Difference]: With dead ends: 31 [2018-12-17 14:13:07,854 INFO L226 Difference]: Without dead ends: 29 [2018-12-17 14:13:07,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 41 SyntacticMatches, 24 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=429, Unknown=0, NotChecked=0, Total=702 [2018-12-17 14:13:07,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-12-17 14:13:08,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-12-17 14:13:08,245 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:08,246 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2018-12-17 14:13:08,246 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-12-17 14:13:08,246 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-12-17 14:13:08,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:08,248 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2018-12-17 14:13:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-17 14:13:08,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:08,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:08,249 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-12-17 14:13:08,249 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-12-17 14:13:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:08,250 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2018-12-17 14:13:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-17 14:13:08,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:08,250 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:08,250 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:08,250 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-17 14:13:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-12-17 14:13:08,251 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 27 [2018-12-17 14:13:08,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:08,251 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-12-17 14:13:08,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-17 14:13:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-17 14:13:08,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-17 14:13:08,267 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:08,268 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 1, 1, 1, 1] [2018-12-17 14:13:08,268 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:08,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:08,274 INFO L82 PathProgramCache]: Analyzing trace with hash -454857078, now seen corresponding path program 18 times [2018-12-17 14:13:08,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:08,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:08,275 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:13:08,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:08,276 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:09,215 INFO L273 TraceCheckUtils]: 0: Hoare triple {4414#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4416#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,216 INFO L273 TraceCheckUtils]: 1: Hoare triple {4416#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4417#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,217 INFO L273 TraceCheckUtils]: 2: Hoare triple {4417#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4418#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,218 INFO L273 TraceCheckUtils]: 3: Hoare triple {4418#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4419#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:09,219 INFO L273 TraceCheckUtils]: 4: Hoare triple {4419#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4420#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,220 INFO L273 TraceCheckUtils]: 5: Hoare triple {4420#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4421#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:09,221 INFO L273 TraceCheckUtils]: 6: Hoare triple {4421#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4422#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,222 INFO L273 TraceCheckUtils]: 7: Hoare triple {4422#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4423#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:09,223 INFO L273 TraceCheckUtils]: 8: Hoare triple {4423#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4424#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,224 INFO L273 TraceCheckUtils]: 9: Hoare triple {4424#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4425#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,225 INFO L273 TraceCheckUtils]: 10: Hoare triple {4425#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4426#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:09,227 INFO L273 TraceCheckUtils]: 11: Hoare triple {4426#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4427#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11)))} is VALID [2018-12-17 14:13:09,228 INFO L273 TraceCheckUtils]: 12: Hoare triple {4427#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4428#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 12 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:09,229 INFO L273 TraceCheckUtils]: 13: Hoare triple {4428#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 12 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4429#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,230 INFO L273 TraceCheckUtils]: 14: Hoare triple {4429#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4430#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,231 INFO L273 TraceCheckUtils]: 15: Hoare triple {4430#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4431#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,232 INFO L273 TraceCheckUtils]: 16: Hoare triple {4431#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4432#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,233 INFO L273 TraceCheckUtils]: 17: Hoare triple {4432#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4433#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,234 INFO L273 TraceCheckUtils]: 18: Hoare triple {4433#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4434#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,235 INFO L273 TraceCheckUtils]: 19: Hoare triple {4434#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4435#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,236 INFO L273 TraceCheckUtils]: 20: Hoare triple {4435#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4436#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,237 INFO L273 TraceCheckUtils]: 21: Hoare triple {4436#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4437#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,238 INFO L273 TraceCheckUtils]: 22: Hoare triple {4437#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4438#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,239 INFO L273 TraceCheckUtils]: 23: Hoare triple {4438#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4439#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,240 INFO L273 TraceCheckUtils]: 24: Hoare triple {4439#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4440#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:09,241 INFO L273 TraceCheckUtils]: 25: Hoare triple {4440#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4441#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:09,242 INFO L273 TraceCheckUtils]: 26: Hoare triple {4441#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4415#false} is VALID [2018-12-17 14:13:09,243 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2018-12-17 14:13:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:09,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:09,245 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:09,245 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:09,245 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:09,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:09,245 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:09,253 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:13:09,254 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:13:09,270 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:13:09,270 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:13:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:09,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:09,971 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:13:09,972 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:09,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:09,980 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:13:09,982 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:09,983 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_120]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (<= 12 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_120 11 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:13:09,983 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (= (select ULTIMATE.start_main_~str2~6 11) (select ULTIMATE.start_main_~str1~6 0)) (<= 12 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:13:10,041 INFO L273 TraceCheckUtils]: 0: Hoare triple {4414#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4414#true} is VALID [2018-12-17 14:13:10,042 INFO L273 TraceCheckUtils]: 1: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,042 INFO L273 TraceCheckUtils]: 2: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,042 INFO L273 TraceCheckUtils]: 3: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,042 INFO L273 TraceCheckUtils]: 4: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,042 INFO L273 TraceCheckUtils]: 5: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,043 INFO L273 TraceCheckUtils]: 6: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,043 INFO L273 TraceCheckUtils]: 7: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,043 INFO L273 TraceCheckUtils]: 8: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,043 INFO L273 TraceCheckUtils]: 9: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,043 INFO L273 TraceCheckUtils]: 10: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,043 INFO L273 TraceCheckUtils]: 11: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,043 INFO L273 TraceCheckUtils]: 12: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,044 INFO L273 TraceCheckUtils]: 13: Hoare triple {4414#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4484#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:10,044 INFO L273 TraceCheckUtils]: 14: Hoare triple {4484#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4488#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:13:10,045 INFO L273 TraceCheckUtils]: 15: Hoare triple {4488#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4492#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:13:10,046 INFO L273 TraceCheckUtils]: 16: Hoare triple {4492#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:13:10,046 INFO L273 TraceCheckUtils]: 17: Hoare triple {4496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4500#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:13:10,047 INFO L273 TraceCheckUtils]: 18: Hoare triple {4500#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4504#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:10,048 INFO L273 TraceCheckUtils]: 19: Hoare triple {4504#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:13:10,049 INFO L273 TraceCheckUtils]: 20: Hoare triple {4508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4512#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:13:10,050 INFO L273 TraceCheckUtils]: 21: Hoare triple {4512#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:13:10,051 INFO L273 TraceCheckUtils]: 22: Hoare triple {4516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4520#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:13:10,052 INFO L273 TraceCheckUtils]: 23: Hoare triple {4520#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:13:10,053 INFO L273 TraceCheckUtils]: 24: Hoare triple {4524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4528#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:13:10,054 INFO L273 TraceCheckUtils]: 25: Hoare triple {4528#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4532#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (= (select ULTIMATE.start_main_~str2~6 11) (select ULTIMATE.start_main_~str1~6 0)) (<= 12 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:10,055 INFO L273 TraceCheckUtils]: 26: Hoare triple {4532#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)) (= (select ULTIMATE.start_main_~str2~6 11) (select ULTIMATE.start_main_~str1~6 0)) (<= 12 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4415#false} is VALID [2018-12-17 14:13:10,056 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2018-12-17 14:13:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-17 14:13:10,058 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:10,150 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:13:10,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:10,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:10,165 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:13:10,168 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:10,168 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:13:10,169 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:13:10,802 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2018-12-17 14:13:10,803 INFO L273 TraceCheckUtils]: 26: Hoare triple {4542#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4415#false} is VALID [2018-12-17 14:13:10,805 INFO L273 TraceCheckUtils]: 25: Hoare triple {4546#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4542#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:10,806 INFO L273 TraceCheckUtils]: 24: Hoare triple {4550#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4546#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:10,807 INFO L273 TraceCheckUtils]: 23: Hoare triple {4554#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4550#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:13:10,808 INFO L273 TraceCheckUtils]: 22: Hoare triple {4558#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4554#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:10,809 INFO L273 TraceCheckUtils]: 21: Hoare triple {4562#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4558#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:10,811 INFO L273 TraceCheckUtils]: 20: Hoare triple {4566#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4562#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:13:10,812 INFO L273 TraceCheckUtils]: 19: Hoare triple {4570#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4566#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:10,813 INFO L273 TraceCheckUtils]: 18: Hoare triple {4574#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4570#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:10,814 INFO L273 TraceCheckUtils]: 17: Hoare triple {4578#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4574#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:10,815 INFO L273 TraceCheckUtils]: 16: Hoare triple {4582#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4578#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:13:10,816 INFO L273 TraceCheckUtils]: 15: Hoare triple {4586#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4582#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:10,818 INFO L273 TraceCheckUtils]: 14: Hoare triple {4590#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4586#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:13:10,819 INFO L273 TraceCheckUtils]: 13: Hoare triple {4414#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4590#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:10,819 INFO L273 TraceCheckUtils]: 12: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,819 INFO L273 TraceCheckUtils]: 11: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,819 INFO L273 TraceCheckUtils]: 10: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,819 INFO L273 TraceCheckUtils]: 9: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,820 INFO L273 TraceCheckUtils]: 8: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,820 INFO L273 TraceCheckUtils]: 7: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,820 INFO L273 TraceCheckUtils]: 6: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,820 INFO L273 TraceCheckUtils]: 5: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,820 INFO L273 TraceCheckUtils]: 4: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,820 INFO L273 TraceCheckUtils]: 3: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,821 INFO L273 TraceCheckUtils]: 2: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,821 INFO L273 TraceCheckUtils]: 1: Hoare triple {4414#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4414#true} is VALID [2018-12-17 14:13:10,821 INFO L273 TraceCheckUtils]: 0: Hoare triple {4414#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4414#true} is VALID [2018-12-17 14:13:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-17 14:13:10,841 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:10,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 15] total 54 [2018-12-17 14:13:10,841 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:10,841 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2018-12-17 14:13:10,841 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:10,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2018-12-17 14:13:11,282 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:11,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-12-17 14:13:11,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-12-17 14:13:11,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2444, Unknown=0, NotChecked=0, Total=2862 [2018-12-17 14:13:11,283 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 41 states. [2018-12-17 14:13:13,798 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-12-17 14:13:16,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:16,314 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2018-12-17 14:13:16,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-17 14:13:16,314 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2018-12-17 14:13:16,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-17 14:13:16,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-12-17 14:13:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-17 14:13:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-12-17 14:13:16,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2018-12-17 14:13:16,385 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:16,385 INFO L225 Difference]: With dead ends: 47 [2018-12-17 14:13:16,386 INFO L226 Difference]: Without dead ends: 31 [2018-12-17 14:13:16,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=727, Invalid=4243, Unknown=0, NotChecked=0, Total=4970 [2018-12-17 14:13:16,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-17 14:13:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-17 14:13:16,755 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:16,755 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2018-12-17 14:13:16,755 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2018-12-17 14:13:16,756 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2018-12-17 14:13:16,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:16,756 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-12-17 14:13:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-12-17 14:13:16,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:16,757 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:16,757 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2018-12-17 14:13:16,757 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2018-12-17 14:13:16,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:16,757 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-12-17 14:13:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-12-17 14:13:16,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:16,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:16,758 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:16,758 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:16,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-17 14:13:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-12-17 14:13:16,759 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 28 [2018-12-17 14:13:16,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:16,759 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-12-17 14:13:16,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-12-17 14:13:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-12-17 14:13:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-17 14:13:16,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:16,760 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 1, 1, 1, 1] [2018-12-17 14:13:16,760 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:16,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:16,760 INFO L82 PathProgramCache]: Analyzing trace with hash -319437323, now seen corresponding path program 19 times [2018-12-17 14:13:16,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:16,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:16,761 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:13:16,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:16,761 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:18,018 INFO L273 TraceCheckUtils]: 0: Hoare triple {4879#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,020 INFO L273 TraceCheckUtils]: 1: Hoare triple {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,021 INFO L273 TraceCheckUtils]: 2: Hoare triple {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,022 INFO L273 TraceCheckUtils]: 3: Hoare triple {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:18,023 INFO L273 TraceCheckUtils]: 4: Hoare triple {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,024 INFO L273 TraceCheckUtils]: 5: Hoare triple {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:18,025 INFO L273 TraceCheckUtils]: 6: Hoare triple {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,026 INFO L273 TraceCheckUtils]: 7: Hoare triple {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:18,027 INFO L273 TraceCheckUtils]: 8: Hoare triple {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,028 INFO L273 TraceCheckUtils]: 9: Hoare triple {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,029 INFO L273 TraceCheckUtils]: 10: Hoare triple {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:18,030 INFO L273 TraceCheckUtils]: 11: Hoare triple {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:18,031 INFO L273 TraceCheckUtils]: 12: Hoare triple {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4893#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:13:18,032 INFO L273 TraceCheckUtils]: 13: Hoare triple {4893#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:18,033 INFO L273 TraceCheckUtils]: 14: Hoare triple {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4895#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,034 INFO L273 TraceCheckUtils]: 15: Hoare triple {4895#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4896#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,035 INFO L273 TraceCheckUtils]: 16: Hoare triple {4896#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4897#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,036 INFO L273 TraceCheckUtils]: 17: Hoare triple {4897#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4898#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,037 INFO L273 TraceCheckUtils]: 18: Hoare triple {4898#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4899#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,038 INFO L273 TraceCheckUtils]: 19: Hoare triple {4899#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4900#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,039 INFO L273 TraceCheckUtils]: 20: Hoare triple {4900#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4901#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,040 INFO L273 TraceCheckUtils]: 21: Hoare triple {4901#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4902#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,041 INFO L273 TraceCheckUtils]: 22: Hoare triple {4902#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4903#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,042 INFO L273 TraceCheckUtils]: 23: Hoare triple {4903#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4904#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,044 INFO L273 TraceCheckUtils]: 24: Hoare triple {4904#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4905#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,045 INFO L273 TraceCheckUtils]: 25: Hoare triple {4905#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4906#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,046 INFO L273 TraceCheckUtils]: 26: Hoare triple {4906#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4907#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:18,047 INFO L273 TraceCheckUtils]: 27: Hoare triple {4907#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4908#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:18,048 INFO L273 TraceCheckUtils]: 28: Hoare triple {4908#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4880#false} is VALID [2018-12-17 14:13:18,048 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2018-12-17 14:13:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:18,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:18,051 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:18,051 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:18,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:18,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:18,051 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:18,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:13:18,061 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:13:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:18,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:19,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:13:19,228 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:19,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:19,234 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:13:19,236 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:19,237 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_133]. (and (<= 13 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_133 12 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 13)) [2018-12-17 14:13:19,237 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 12))) [2018-12-17 14:13:19,287 INFO L273 TraceCheckUtils]: 0: Hoare triple {4879#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,288 INFO L273 TraceCheckUtils]: 1: Hoare triple {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,288 INFO L273 TraceCheckUtils]: 2: Hoare triple {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,289 INFO L273 TraceCheckUtils]: 3: Hoare triple {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:19,290 INFO L273 TraceCheckUtils]: 4: Hoare triple {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,291 INFO L273 TraceCheckUtils]: 5: Hoare triple {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:19,292 INFO L273 TraceCheckUtils]: 6: Hoare triple {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,293 INFO L273 TraceCheckUtils]: 7: Hoare triple {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:19,294 INFO L273 TraceCheckUtils]: 8: Hoare triple {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,295 INFO L273 TraceCheckUtils]: 9: Hoare triple {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,296 INFO L273 TraceCheckUtils]: 10: Hoare triple {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,297 INFO L273 TraceCheckUtils]: 11: Hoare triple {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:19,298 INFO L273 TraceCheckUtils]: 12: Hoare triple {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,300 INFO L273 TraceCheckUtils]: 13: Hoare triple {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4952#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 13))} is VALID [2018-12-17 14:13:19,301 INFO L273 TraceCheckUtils]: 14: Hoare triple {4952#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 13))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4956#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 0))} is VALID [2018-12-17 14:13:19,302 INFO L273 TraceCheckUtils]: 15: Hoare triple {4956#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 0))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4960#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 1))} is VALID [2018-12-17 14:13:19,303 INFO L273 TraceCheckUtils]: 16: Hoare triple {4960#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4964#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:13:19,303 INFO L273 TraceCheckUtils]: 17: Hoare triple {4964#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4968#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:13:19,304 INFO L273 TraceCheckUtils]: 18: Hoare triple {4968#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4972#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 4))} is VALID [2018-12-17 14:13:19,305 INFO L273 TraceCheckUtils]: 19: Hoare triple {4972#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4976#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2018-12-17 14:13:19,306 INFO L273 TraceCheckUtils]: 20: Hoare triple {4976#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4980#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:13:19,307 INFO L273 TraceCheckUtils]: 21: Hoare triple {4980#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4984#(and (= ULTIMATE.start_main_~j~6 7) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2018-12-17 14:13:19,308 INFO L273 TraceCheckUtils]: 22: Hoare triple {4984#(and (= ULTIMATE.start_main_~j~6 7) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4988#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:13:19,308 INFO L273 TraceCheckUtils]: 23: Hoare triple {4988#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4992#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2018-12-17 14:13:19,309 INFO L273 TraceCheckUtils]: 24: Hoare triple {4992#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4996#(and (= ULTIMATE.start_main_~j~6 10) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2018-12-17 14:13:19,310 INFO L273 TraceCheckUtils]: 25: Hoare triple {4996#(and (= ULTIMATE.start_main_~j~6 10) (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5000#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:13:19,311 INFO L273 TraceCheckUtils]: 26: Hoare triple {5000#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5004#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 13))} is VALID [2018-12-17 14:13:19,312 INFO L273 TraceCheckUtils]: 27: Hoare triple {5004#(and (<= 13 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5008#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 12)))} is VALID [2018-12-17 14:13:19,313 INFO L273 TraceCheckUtils]: 28: Hoare triple {5008#(and (<= 13 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 13) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 12)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4880#false} is VALID [2018-12-17 14:13:19,313 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2018-12-17 14:13:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:19,316 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:19,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:13:19,363 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:19,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:19,366 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:13:19,369 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:19,369 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:13:19,369 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:13:19,576 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2018-12-17 14:13:19,577 INFO L273 TraceCheckUtils]: 28: Hoare triple {4908#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {4880#false} is VALID [2018-12-17 14:13:19,578 INFO L273 TraceCheckUtils]: 27: Hoare triple {4907#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4908#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:19,579 INFO L273 TraceCheckUtils]: 26: Hoare triple {4906#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4907#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,581 INFO L273 TraceCheckUtils]: 25: Hoare triple {4905#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4906#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,582 INFO L273 TraceCheckUtils]: 24: Hoare triple {4904#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4905#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,583 INFO L273 TraceCheckUtils]: 23: Hoare triple {4903#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4904#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,584 INFO L273 TraceCheckUtils]: 22: Hoare triple {4902#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4903#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,585 INFO L273 TraceCheckUtils]: 21: Hoare triple {4901#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4902#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,586 INFO L273 TraceCheckUtils]: 20: Hoare triple {4900#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4901#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,587 INFO L273 TraceCheckUtils]: 19: Hoare triple {4899#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4900#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,588 INFO L273 TraceCheckUtils]: 18: Hoare triple {4898#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4899#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,589 INFO L273 TraceCheckUtils]: 17: Hoare triple {4897#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4898#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,590 INFO L273 TraceCheckUtils]: 16: Hoare triple {4896#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4897#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,591 INFO L273 TraceCheckUtils]: 15: Hoare triple {4895#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {4896#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,592 INFO L273 TraceCheckUtils]: 14: Hoare triple {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {4895#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:19,593 INFO L273 TraceCheckUtils]: 13: Hoare triple {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4894#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 13 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:19,594 INFO L273 TraceCheckUtils]: 12: Hoare triple {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4948#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,595 INFO L273 TraceCheckUtils]: 11: Hoare triple {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4892#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:19,596 INFO L273 TraceCheckUtils]: 10: Hoare triple {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4891#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,597 INFO L273 TraceCheckUtils]: 9: Hoare triple {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4890#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,598 INFO L273 TraceCheckUtils]: 8: Hoare triple {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4889#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,599 INFO L273 TraceCheckUtils]: 7: Hoare triple {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4888#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:19,600 INFO L273 TraceCheckUtils]: 6: Hoare triple {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4887#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,601 INFO L273 TraceCheckUtils]: 5: Hoare triple {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4886#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:19,602 INFO L273 TraceCheckUtils]: 4: Hoare triple {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4885#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,603 INFO L273 TraceCheckUtils]: 3: Hoare triple {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4884#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:19,605 INFO L273 TraceCheckUtils]: 2: Hoare triple {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4883#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,606 INFO L273 TraceCheckUtils]: 1: Hoare triple {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {4882#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,606 INFO L273 TraceCheckUtils]: 0: Hoare triple {4879#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {4881#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:19,628 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:19,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 45 [2018-12-17 14:13:19,629 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:19,629 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2018-12-17 14:13:19,629 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:19,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 46 states. [2018-12-17 14:13:19,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:19,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-12-17 14:13:19,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-12-17 14:13:19,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1937, Unknown=0, NotChecked=0, Total=2070 [2018-12-17 14:13:19,677 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 46 states. [2018-12-17 14:13:23,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:23,697 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-12-17 14:13:23,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-12-17 14:13:23,697 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2018-12-17 14:13:23,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-17 14:13:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-12-17 14:13:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-17 14:13:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-12-17 14:13:23,699 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states and 38 transitions. [2018-12-17 14:13:23,756 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:23,757 INFO L225 Difference]: With dead ends: 48 [2018-12-17 14:13:23,757 INFO L226 Difference]: Without dead ends: 32 [2018-12-17 14:13:23,759 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 35 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=282, Invalid=3500, Unknown=0, NotChecked=0, Total=3782 [2018-12-17 14:13:23,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-17 14:13:24,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-17 14:13:24,148 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:24,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 32 states. [2018-12-17 14:13:24,148 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2018-12-17 14:13:24,149 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2018-12-17 14:13:24,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:24,150 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2018-12-17 14:13:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-12-17 14:13:24,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:24,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:24,150 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2018-12-17 14:13:24,150 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2018-12-17 14:13:24,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:24,151 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2018-12-17 14:13:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-12-17 14:13:24,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:24,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:24,151 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:24,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-17 14:13:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-12-17 14:13:24,152 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 30 [2018-12-17 14:13:24,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:24,152 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-12-17 14:13:24,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-12-17 14:13:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-12-17 14:13:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-17 14:13:24,153 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:24,153 INFO L402 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1, 1] [2018-12-17 14:13:24,153 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:24,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:24,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1693839084, now seen corresponding path program 20 times [2018-12-17 14:13:24,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:24,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:24,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:13:24,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:24,154 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:24,408 INFO L273 TraceCheckUtils]: 0: Hoare triple {5352#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,409 INFO L273 TraceCheckUtils]: 1: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,410 INFO L273 TraceCheckUtils]: 2: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,411 INFO L273 TraceCheckUtils]: 3: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,412 INFO L273 TraceCheckUtils]: 4: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,414 INFO L273 TraceCheckUtils]: 5: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,415 INFO L273 TraceCheckUtils]: 6: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,416 INFO L273 TraceCheckUtils]: 7: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,417 INFO L273 TraceCheckUtils]: 8: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,418 INFO L273 TraceCheckUtils]: 9: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,419 INFO L273 TraceCheckUtils]: 10: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,420 INFO L273 TraceCheckUtils]: 11: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,421 INFO L273 TraceCheckUtils]: 12: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,422 INFO L273 TraceCheckUtils]: 13: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,423 INFO L273 TraceCheckUtils]: 14: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:24,425 INFO L273 TraceCheckUtils]: 15: Hoare triple {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,426 INFO L273 TraceCheckUtils]: 16: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,427 INFO L273 TraceCheckUtils]: 17: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,428 INFO L273 TraceCheckUtils]: 18: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,429 INFO L273 TraceCheckUtils]: 19: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,430 INFO L273 TraceCheckUtils]: 20: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,431 INFO L273 TraceCheckUtils]: 21: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,432 INFO L273 TraceCheckUtils]: 22: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,433 INFO L273 TraceCheckUtils]: 23: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,434 INFO L273 TraceCheckUtils]: 24: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,435 INFO L273 TraceCheckUtils]: 25: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,436 INFO L273 TraceCheckUtils]: 26: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,437 INFO L273 TraceCheckUtils]: 27: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,438 INFO L273 TraceCheckUtils]: 28: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,439 INFO L273 TraceCheckUtils]: 29: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {5353#false} is VALID [2018-12-17 14:13:24,439 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2018-12-17 14:13:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:24,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:24,442 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:24,442 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:24,443 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:24,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:24,443 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:24,453 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:13:24,453 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:13:24,497 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2018-12-17 14:13:24,497 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:13:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:24,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:24,702 INFO L273 TraceCheckUtils]: 0: Hoare triple {5352#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,703 INFO L273 TraceCheckUtils]: 1: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,704 INFO L273 TraceCheckUtils]: 2: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,705 INFO L273 TraceCheckUtils]: 3: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,706 INFO L273 TraceCheckUtils]: 4: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,707 INFO L273 TraceCheckUtils]: 5: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,708 INFO L273 TraceCheckUtils]: 6: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,709 INFO L273 TraceCheckUtils]: 7: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,710 INFO L273 TraceCheckUtils]: 8: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,711 INFO L273 TraceCheckUtils]: 9: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,712 INFO L273 TraceCheckUtils]: 10: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,712 INFO L273 TraceCheckUtils]: 11: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,713 INFO L273 TraceCheckUtils]: 12: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,714 INFO L273 TraceCheckUtils]: 13: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,715 INFO L273 TraceCheckUtils]: 14: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:24,716 INFO L273 TraceCheckUtils]: 15: Hoare triple {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,717 INFO L273 TraceCheckUtils]: 16: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,718 INFO L273 TraceCheckUtils]: 17: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,719 INFO L273 TraceCheckUtils]: 18: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,720 INFO L273 TraceCheckUtils]: 19: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,721 INFO L273 TraceCheckUtils]: 20: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,722 INFO L273 TraceCheckUtils]: 21: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,723 INFO L273 TraceCheckUtils]: 22: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,724 INFO L273 TraceCheckUtils]: 23: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,725 INFO L273 TraceCheckUtils]: 24: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,726 INFO L273 TraceCheckUtils]: 25: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,726 INFO L273 TraceCheckUtils]: 26: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,727 INFO L273 TraceCheckUtils]: 27: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,728 INFO L273 TraceCheckUtils]: 28: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:24,729 INFO L273 TraceCheckUtils]: 29: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {5353#false} is VALID [2018-12-17 14:13:24,729 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2018-12-17 14:13:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:24,731 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:25,069 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2018-12-17 14:13:25,071 INFO L273 TraceCheckUtils]: 29: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {5353#false} is VALID [2018-12-17 14:13:25,071 INFO L273 TraceCheckUtils]: 28: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,072 INFO L273 TraceCheckUtils]: 27: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,072 INFO L273 TraceCheckUtils]: 26: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,073 INFO L273 TraceCheckUtils]: 25: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,074 INFO L273 TraceCheckUtils]: 24: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,075 INFO L273 TraceCheckUtils]: 23: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,076 INFO L273 TraceCheckUtils]: 22: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,077 INFO L273 TraceCheckUtils]: 21: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,078 INFO L273 TraceCheckUtils]: 20: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,079 INFO L273 TraceCheckUtils]: 19: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,080 INFO L273 TraceCheckUtils]: 18: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,081 INFO L273 TraceCheckUtils]: 17: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,081 INFO L273 TraceCheckUtils]: 16: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,082 INFO L273 TraceCheckUtils]: 15: Hoare triple {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,083 INFO L273 TraceCheckUtils]: 14: Hoare triple {5367#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5368#(<= 14 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:25,084 INFO L273 TraceCheckUtils]: 13: Hoare triple {5366#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5367#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,085 INFO L273 TraceCheckUtils]: 12: Hoare triple {5365#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5366#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,086 INFO L273 TraceCheckUtils]: 11: Hoare triple {5364#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5365#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,087 INFO L273 TraceCheckUtils]: 10: Hoare triple {5363#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5364#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,088 INFO L273 TraceCheckUtils]: 9: Hoare triple {5362#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5363#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,089 INFO L273 TraceCheckUtils]: 8: Hoare triple {5361#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5362#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,090 INFO L273 TraceCheckUtils]: 7: Hoare triple {5360#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5361#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,091 INFO L273 TraceCheckUtils]: 6: Hoare triple {5359#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5360#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,092 INFO L273 TraceCheckUtils]: 5: Hoare triple {5358#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5359#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,093 INFO L273 TraceCheckUtils]: 4: Hoare triple {5357#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5358#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,094 INFO L273 TraceCheckUtils]: 3: Hoare triple {5356#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5357#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,095 INFO L273 TraceCheckUtils]: 2: Hoare triple {5355#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5356#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,095 INFO L273 TraceCheckUtils]: 1: Hoare triple {5354#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5355#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,096 INFO L273 TraceCheckUtils]: 0: Hoare triple {5352#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {5354#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:25,118 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:25,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 16 [2018-12-17 14:13:25,118 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:25,118 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-12-17 14:13:25,118 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:25,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2018-12-17 14:13:25,170 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:25,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-17 14:13:25,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-17 14:13:25,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-12-17 14:13:25,171 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2018-12-17 14:13:25,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:25,958 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2018-12-17 14:13:25,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-12-17 14:13:25,959 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-12-17 14:13:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-17 14:13:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2018-12-17 14:13:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-17 14:13:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2018-12-17 14:13:25,962 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 36 transitions. [2018-12-17 14:13:26,003 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:26,004 INFO L225 Difference]: With dead ends: 35 [2018-12-17 14:13:26,004 INFO L226 Difference]: Without dead ends: 33 [2018-12-17 14:13:26,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 47 SyntacticMatches, 28 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2018-12-17 14:13:26,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-17 14:13:26,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-17 14:13:26,402 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:26,402 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2018-12-17 14:13:26,402 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-12-17 14:13:26,402 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-12-17 14:13:26,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:26,403 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-12-17 14:13:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-12-17 14:13:26,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:26,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:26,404 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-12-17 14:13:26,404 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-12-17 14:13:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:26,404 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-12-17 14:13:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-12-17 14:13:26,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:26,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:26,405 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:26,405 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-17 14:13:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-12-17 14:13:26,405 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 31 [2018-12-17 14:13:26,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:26,406 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-12-17 14:13:26,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-17 14:13:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-12-17 14:13:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-17 14:13:26,406 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:26,406 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1] [2018-12-17 14:13:26,407 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:26,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:26,407 INFO L82 PathProgramCache]: Analyzing trace with hash 969405866, now seen corresponding path program 21 times [2018-12-17 14:13:26,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:26,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:26,408 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:13:26,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:26,408 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:27,525 INFO L273 TraceCheckUtils]: 0: Hoare triple {5776#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {5778#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,526 INFO L273 TraceCheckUtils]: 1: Hoare triple {5778#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5779#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,527 INFO L273 TraceCheckUtils]: 2: Hoare triple {5779#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5780#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,528 INFO L273 TraceCheckUtils]: 3: Hoare triple {5780#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5781#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:27,529 INFO L273 TraceCheckUtils]: 4: Hoare triple {5781#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5782#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,530 INFO L273 TraceCheckUtils]: 5: Hoare triple {5782#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5783#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:27,532 INFO L273 TraceCheckUtils]: 6: Hoare triple {5783#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5784#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,533 INFO L273 TraceCheckUtils]: 7: Hoare triple {5784#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5785#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:27,534 INFO L273 TraceCheckUtils]: 8: Hoare triple {5785#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5786#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,535 INFO L273 TraceCheckUtils]: 9: Hoare triple {5786#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5787#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,536 INFO L273 TraceCheckUtils]: 10: Hoare triple {5787#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5788#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,537 INFO L273 TraceCheckUtils]: 11: Hoare triple {5788#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5789#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:27,538 INFO L273 TraceCheckUtils]: 12: Hoare triple {5789#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5790#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:27,539 INFO L273 TraceCheckUtils]: 13: Hoare triple {5790#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5791#(or (and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2018-12-17 14:13:27,540 INFO L273 TraceCheckUtils]: 14: Hoare triple {5791#(or (and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5792#(or (= 14 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:27,541 INFO L273 TraceCheckUtils]: 15: Hoare triple {5792#(or (= 14 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {5793#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,542 INFO L273 TraceCheckUtils]: 16: Hoare triple {5793#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5794#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,543 INFO L273 TraceCheckUtils]: 17: Hoare triple {5794#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5795#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,544 INFO L273 TraceCheckUtils]: 18: Hoare triple {5795#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5796#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,545 INFO L273 TraceCheckUtils]: 19: Hoare triple {5796#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5797#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,546 INFO L273 TraceCheckUtils]: 20: Hoare triple {5797#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5798#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,547 INFO L273 TraceCheckUtils]: 21: Hoare triple {5798#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5799#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,548 INFO L273 TraceCheckUtils]: 22: Hoare triple {5799#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5800#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,549 INFO L273 TraceCheckUtils]: 23: Hoare triple {5800#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5801#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,550 INFO L273 TraceCheckUtils]: 24: Hoare triple {5801#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5802#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,551 INFO L273 TraceCheckUtils]: 25: Hoare triple {5802#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5803#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,552 INFO L273 TraceCheckUtils]: 26: Hoare triple {5803#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5804#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,553 INFO L273 TraceCheckUtils]: 27: Hoare triple {5804#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5805#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,554 INFO L273 TraceCheckUtils]: 28: Hoare triple {5805#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5806#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:27,555 INFO L273 TraceCheckUtils]: 29: Hoare triple {5806#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5807#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:27,557 INFO L273 TraceCheckUtils]: 30: Hoare triple {5807#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {5777#false} is VALID [2018-12-17 14:13:27,557 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2018-12-17 14:13:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:27,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:27,560 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:27,560 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:27,560 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:27,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:27,560 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:27,568 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:13:27,568 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:13:27,617 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:13:27,617 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:13:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:27,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:28,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:13:28,526 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:28,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:28,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:13:28,571 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:28,571 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_160]. (and (<= 14 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_160 13 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15))) [2018-12-17 14:13:28,571 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 13) (select ULTIMATE.start_main_~str1~6 0)) (<= 14 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15))) [2018-12-17 14:13:28,648 INFO L273 TraceCheckUtils]: 0: Hoare triple {5776#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {5776#true} is VALID [2018-12-17 14:13:28,649 INFO L273 TraceCheckUtils]: 1: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,649 INFO L273 TraceCheckUtils]: 2: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,649 INFO L273 TraceCheckUtils]: 3: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,649 INFO L273 TraceCheckUtils]: 4: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,650 INFO L273 TraceCheckUtils]: 5: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,650 INFO L273 TraceCheckUtils]: 6: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,650 INFO L273 TraceCheckUtils]: 7: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,650 INFO L273 TraceCheckUtils]: 8: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,650 INFO L273 TraceCheckUtils]: 9: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,651 INFO L273 TraceCheckUtils]: 10: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,651 INFO L273 TraceCheckUtils]: 11: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,651 INFO L273 TraceCheckUtils]: 12: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,651 INFO L273 TraceCheckUtils]: 13: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,651 INFO L273 TraceCheckUtils]: 14: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:28,652 INFO L273 TraceCheckUtils]: 15: Hoare triple {5776#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {5856#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:28,653 INFO L273 TraceCheckUtils]: 16: Hoare triple {5856#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5860#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:13:28,654 INFO L273 TraceCheckUtils]: 17: Hoare triple {5860#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5864#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:13:28,654 INFO L273 TraceCheckUtils]: 18: Hoare triple {5864#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:13:28,655 INFO L273 TraceCheckUtils]: 19: Hoare triple {5868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5872#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:13:28,656 INFO L273 TraceCheckUtils]: 20: Hoare triple {5872#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5876#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:28,657 INFO L273 TraceCheckUtils]: 21: Hoare triple {5876#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:13:28,658 INFO L273 TraceCheckUtils]: 22: Hoare triple {5880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5884#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:13:28,659 INFO L273 TraceCheckUtils]: 23: Hoare triple {5884#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:13:28,660 INFO L273 TraceCheckUtils]: 24: Hoare triple {5888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5892#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:13:28,662 INFO L273 TraceCheckUtils]: 25: Hoare triple {5892#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5896#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:13:28,663 INFO L273 TraceCheckUtils]: 26: Hoare triple {5896#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:13:28,664 INFO L273 TraceCheckUtils]: 27: Hoare triple {5900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5904#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:13:28,665 INFO L273 TraceCheckUtils]: 28: Hoare triple {5904#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5908#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:13:28,667 INFO L273 TraceCheckUtils]: 29: Hoare triple {5908#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5912#(and (= (select ULTIMATE.start_main_~str2~6 13) (select ULTIMATE.start_main_~str1~6 0)) (<= 14 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:13:28,668 INFO L273 TraceCheckUtils]: 30: Hoare triple {5912#(and (= (select ULTIMATE.start_main_~str2~6 13) (select ULTIMATE.start_main_~str1~6 0)) (<= 14 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {5777#false} is VALID [2018-12-17 14:13:28,669 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2018-12-17 14:13:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-17 14:13:28,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:28,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:13:28,782 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:28,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:28,796 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:13:28,799 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:28,799 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:13:28,800 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:13:29,676 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2018-12-17 14:13:29,677 INFO L273 TraceCheckUtils]: 30: Hoare triple {5922#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {5777#false} is VALID [2018-12-17 14:13:29,678 INFO L273 TraceCheckUtils]: 29: Hoare triple {5926#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5922#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,680 INFO L273 TraceCheckUtils]: 28: Hoare triple {5930#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5926#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:29,681 INFO L273 TraceCheckUtils]: 27: Hoare triple {5934#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5930#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:13:29,682 INFO L273 TraceCheckUtils]: 26: Hoare triple {5938#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5934#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,683 INFO L273 TraceCheckUtils]: 25: Hoare triple {5942#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5938#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,684 INFO L273 TraceCheckUtils]: 24: Hoare triple {5946#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5942#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:13:29,685 INFO L273 TraceCheckUtils]: 23: Hoare triple {5950#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5946#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:29,686 INFO L273 TraceCheckUtils]: 22: Hoare triple {5954#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5950#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,687 INFO L273 TraceCheckUtils]: 21: Hoare triple {5958#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5954#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,688 INFO L273 TraceCheckUtils]: 20: Hoare triple {5962#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5958#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:13:29,690 INFO L273 TraceCheckUtils]: 19: Hoare triple {5966#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5962#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,691 INFO L273 TraceCheckUtils]: 18: Hoare triple {5970#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5966#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:13:29,692 INFO L273 TraceCheckUtils]: 17: Hoare triple {5974#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5970#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,693 INFO L273 TraceCheckUtils]: 16: Hoare triple {5978#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {5974#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:13:29,694 INFO L273 TraceCheckUtils]: 15: Hoare triple {5776#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {5978#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:29,694 INFO L273 TraceCheckUtils]: 14: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,694 INFO L273 TraceCheckUtils]: 13: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,694 INFO L273 TraceCheckUtils]: 12: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,695 INFO L273 TraceCheckUtils]: 11: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,695 INFO L273 TraceCheckUtils]: 10: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,695 INFO L273 TraceCheckUtils]: 9: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,695 INFO L273 TraceCheckUtils]: 8: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,695 INFO L273 TraceCheckUtils]: 7: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,696 INFO L273 TraceCheckUtils]: 6: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,696 INFO L273 TraceCheckUtils]: 5: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,696 INFO L273 TraceCheckUtils]: 4: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,696 INFO L273 TraceCheckUtils]: 3: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,696 INFO L273 TraceCheckUtils]: 2: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,697 INFO L273 TraceCheckUtils]: 1: Hoare triple {5776#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {5776#true} is VALID [2018-12-17 14:13:29,697 INFO L273 TraceCheckUtils]: 0: Hoare triple {5776#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {5776#true} is VALID [2018-12-17 14:13:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-17 14:13:29,717 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:29,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 17, 17] total 62 [2018-12-17 14:13:29,718 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:29,718 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2018-12-17 14:13:29,718 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:29,718 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states. [2018-12-17 14:13:29,765 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:29,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-12-17 14:13:29,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-12-17 14:13:29,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=3240, Unknown=0, NotChecked=0, Total=3782 [2018-12-17 14:13:29,768 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 47 states. [2018-12-17 14:13:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:35,280 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2018-12-17 14:13:35,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-17 14:13:35,280 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2018-12-17 14:13:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-17 14:13:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-12-17 14:13:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-17 14:13:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-12-17 14:13:35,282 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 57 transitions. [2018-12-17 14:13:35,507 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:35,508 INFO L225 Difference]: With dead ends: 53 [2018-12-17 14:13:35,508 INFO L226 Difference]: Without dead ends: 35 [2018-12-17 14:13:35,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=925, Invalid=5555, Unknown=0, NotChecked=0, Total=6480 [2018-12-17 14:13:35,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-17 14:13:35,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-17 14:13:35,933 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:35,933 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2018-12-17 14:13:35,933 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2018-12-17 14:13:35,933 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2018-12-17 14:13:35,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:35,934 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2018-12-17 14:13:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-12-17 14:13:35,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:35,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:35,935 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2018-12-17 14:13:35,935 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2018-12-17 14:13:35,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:35,936 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2018-12-17 14:13:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-12-17 14:13:35,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:35,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:35,937 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:35,937 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-17 14:13:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-12-17 14:13:35,937 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2018-12-17 14:13:35,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:35,937 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-12-17 14:13:35,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-12-17 14:13:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-12-17 14:13:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-17 14:13:35,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:35,938 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 1, 1, 1, 1] [2018-12-17 14:13:35,938 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:35,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:35,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1714035115, now seen corresponding path program 22 times [2018-12-17 14:13:35,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:35,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:35,939 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:13:35,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:35,939 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:36,815 INFO L273 TraceCheckUtils]: 0: Hoare triple {6305#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,816 INFO L273 TraceCheckUtils]: 1: Hoare triple {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,816 INFO L273 TraceCheckUtils]: 2: Hoare triple {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,817 INFO L273 TraceCheckUtils]: 3: Hoare triple {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:36,818 INFO L273 TraceCheckUtils]: 4: Hoare triple {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,818 INFO L273 TraceCheckUtils]: 5: Hoare triple {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:36,819 INFO L273 TraceCheckUtils]: 6: Hoare triple {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,820 INFO L273 TraceCheckUtils]: 7: Hoare triple {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:36,821 INFO L273 TraceCheckUtils]: 8: Hoare triple {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,822 INFO L273 TraceCheckUtils]: 9: Hoare triple {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,823 INFO L273 TraceCheckUtils]: 10: Hoare triple {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,824 INFO L273 TraceCheckUtils]: 11: Hoare triple {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:36,825 INFO L273 TraceCheckUtils]: 12: Hoare triple {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,826 INFO L273 TraceCheckUtils]: 13: Hoare triple {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:36,827 INFO L273 TraceCheckUtils]: 14: Hoare triple {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6321#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:13:36,829 INFO L273 TraceCheckUtils]: 15: Hoare triple {6321#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:36,830 INFO L273 TraceCheckUtils]: 16: Hoare triple {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {6323#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,831 INFO L273 TraceCheckUtils]: 17: Hoare triple {6323#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6324#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,832 INFO L273 TraceCheckUtils]: 18: Hoare triple {6324#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6325#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,833 INFO L273 TraceCheckUtils]: 19: Hoare triple {6325#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6326#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,834 INFO L273 TraceCheckUtils]: 20: Hoare triple {6326#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6327#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,835 INFO L273 TraceCheckUtils]: 21: Hoare triple {6327#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6328#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,836 INFO L273 TraceCheckUtils]: 22: Hoare triple {6328#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6329#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,837 INFO L273 TraceCheckUtils]: 23: Hoare triple {6329#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6330#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,838 INFO L273 TraceCheckUtils]: 24: Hoare triple {6330#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6331#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,839 INFO L273 TraceCheckUtils]: 25: Hoare triple {6331#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6332#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,840 INFO L273 TraceCheckUtils]: 26: Hoare triple {6332#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6333#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,841 INFO L273 TraceCheckUtils]: 27: Hoare triple {6333#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6334#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,842 INFO L273 TraceCheckUtils]: 28: Hoare triple {6334#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6335#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,843 INFO L273 TraceCheckUtils]: 29: Hoare triple {6335#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6336#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,844 INFO L273 TraceCheckUtils]: 30: Hoare triple {6336#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6337#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:36,845 INFO L273 TraceCheckUtils]: 31: Hoare triple {6337#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6338#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:36,846 INFO L273 TraceCheckUtils]: 32: Hoare triple {6338#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {6306#false} is VALID [2018-12-17 14:13:36,847 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2018-12-17 14:13:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:36,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:36,849 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:36,849 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:36,849 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:36,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:36,850 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:36,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:13:36,858 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:13:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:36,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:37,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:13:37,778 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:37,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:37,785 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:13:37,787 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:37,788 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_175]. (and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (store v_ULTIMATE.start_main_~str2~6_175 14 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:13:37,788 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 14))) [2018-12-17 14:13:37,854 INFO L273 TraceCheckUtils]: 0: Hoare triple {6305#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,855 INFO L273 TraceCheckUtils]: 1: Hoare triple {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,856 INFO L273 TraceCheckUtils]: 2: Hoare triple {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,856 INFO L273 TraceCheckUtils]: 3: Hoare triple {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:37,857 INFO L273 TraceCheckUtils]: 4: Hoare triple {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,858 INFO L273 TraceCheckUtils]: 5: Hoare triple {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:37,859 INFO L273 TraceCheckUtils]: 6: Hoare triple {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,860 INFO L273 TraceCheckUtils]: 7: Hoare triple {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:37,861 INFO L273 TraceCheckUtils]: 8: Hoare triple {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,862 INFO L273 TraceCheckUtils]: 9: Hoare triple {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,863 INFO L273 TraceCheckUtils]: 10: Hoare triple {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,864 INFO L273 TraceCheckUtils]: 11: Hoare triple {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:37,865 INFO L273 TraceCheckUtils]: 12: Hoare triple {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,866 INFO L273 TraceCheckUtils]: 13: Hoare triple {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,867 INFO L273 TraceCheckUtils]: 14: Hoare triple {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:37,868 INFO L273 TraceCheckUtils]: 15: Hoare triple {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6388#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:13:37,870 INFO L273 TraceCheckUtils]: 16: Hoare triple {6388#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 15))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {6392#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 0))} is VALID [2018-12-17 14:13:37,870 INFO L273 TraceCheckUtils]: 17: Hoare triple {6392#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 0))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6396#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 1))} is VALID [2018-12-17 14:13:37,871 INFO L273 TraceCheckUtils]: 18: Hoare triple {6396#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6400#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:13:37,872 INFO L273 TraceCheckUtils]: 19: Hoare triple {6400#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6404#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:13:37,873 INFO L273 TraceCheckUtils]: 20: Hoare triple {6404#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6408#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 4))} is VALID [2018-12-17 14:13:37,874 INFO L273 TraceCheckUtils]: 21: Hoare triple {6408#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6412#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2018-12-17 14:13:37,875 INFO L273 TraceCheckUtils]: 22: Hoare triple {6412#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6416#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:13:37,876 INFO L273 TraceCheckUtils]: 23: Hoare triple {6416#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6420#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2018-12-17 14:13:37,877 INFO L273 TraceCheckUtils]: 24: Hoare triple {6420#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6424#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:13:37,877 INFO L273 TraceCheckUtils]: 25: Hoare triple {6424#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6428#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2018-12-17 14:13:37,878 INFO L273 TraceCheckUtils]: 26: Hoare triple {6428#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6432#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2018-12-17 14:13:37,879 INFO L273 TraceCheckUtils]: 27: Hoare triple {6432#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6436#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:13:37,880 INFO L273 TraceCheckUtils]: 28: Hoare triple {6436#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6440#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 15))} is VALID [2018-12-17 14:13:37,881 INFO L273 TraceCheckUtils]: 29: Hoare triple {6440#(and (<= 15 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6444#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 13))} is VALID [2018-12-17 14:13:37,882 INFO L273 TraceCheckUtils]: 30: Hoare triple {6444#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6448#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 14))} is VALID [2018-12-17 14:13:37,883 INFO L273 TraceCheckUtils]: 31: Hoare triple {6448#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= ULTIMATE.start_main_~j~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6452#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 14)))} is VALID [2018-12-17 14:13:37,884 INFO L273 TraceCheckUtils]: 32: Hoare triple {6452#(and (<= 15 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 15) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 14)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {6306#false} is VALID [2018-12-17 14:13:37,884 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2018-12-17 14:13:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:37,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:37,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:13:37,921 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:37,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:37,924 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:13:37,927 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:37,927 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:13:37,927 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:13:38,307 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2018-12-17 14:13:38,308 INFO L273 TraceCheckUtils]: 32: Hoare triple {6338#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {6306#false} is VALID [2018-12-17 14:13:38,309 INFO L273 TraceCheckUtils]: 31: Hoare triple {6337#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6338#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:38,310 INFO L273 TraceCheckUtils]: 30: Hoare triple {6336#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6337#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,311 INFO L273 TraceCheckUtils]: 29: Hoare triple {6335#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6336#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,312 INFO L273 TraceCheckUtils]: 28: Hoare triple {6334#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6335#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,313 INFO L273 TraceCheckUtils]: 27: Hoare triple {6333#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6334#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,314 INFO L273 TraceCheckUtils]: 26: Hoare triple {6332#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6333#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,315 INFO L273 TraceCheckUtils]: 25: Hoare triple {6331#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6332#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,316 INFO L273 TraceCheckUtils]: 24: Hoare triple {6330#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6331#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,317 INFO L273 TraceCheckUtils]: 23: Hoare triple {6329#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6330#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,318 INFO L273 TraceCheckUtils]: 22: Hoare triple {6328#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6329#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,319 INFO L273 TraceCheckUtils]: 21: Hoare triple {6327#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6328#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,320 INFO L273 TraceCheckUtils]: 20: Hoare triple {6326#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6327#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,321 INFO L273 TraceCheckUtils]: 19: Hoare triple {6325#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6326#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,322 INFO L273 TraceCheckUtils]: 18: Hoare triple {6324#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6325#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,323 INFO L273 TraceCheckUtils]: 17: Hoare triple {6323#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6324#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,324 INFO L273 TraceCheckUtils]: 16: Hoare triple {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {6323#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:38,325 INFO L273 TraceCheckUtils]: 15: Hoare triple {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6322#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 15 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:38,326 INFO L273 TraceCheckUtils]: 14: Hoare triple {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6384#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,327 INFO L273 TraceCheckUtils]: 13: Hoare triple {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6320#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,328 INFO L273 TraceCheckUtils]: 12: Hoare triple {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6319#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,329 INFO L273 TraceCheckUtils]: 11: Hoare triple {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6318#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:38,330 INFO L273 TraceCheckUtils]: 10: Hoare triple {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6317#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,331 INFO L273 TraceCheckUtils]: 9: Hoare triple {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6316#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,332 INFO L273 TraceCheckUtils]: 8: Hoare triple {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6315#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,333 INFO L273 TraceCheckUtils]: 7: Hoare triple {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6314#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:38,334 INFO L273 TraceCheckUtils]: 6: Hoare triple {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6313#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,335 INFO L273 TraceCheckUtils]: 5: Hoare triple {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6312#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:38,336 INFO L273 TraceCheckUtils]: 4: Hoare triple {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6311#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,337 INFO L273 TraceCheckUtils]: 3: Hoare triple {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6310#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:38,338 INFO L273 TraceCheckUtils]: 2: Hoare triple {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6309#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,339 INFO L273 TraceCheckUtils]: 1: Hoare triple {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6308#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,340 INFO L273 TraceCheckUtils]: 0: Hoare triple {6305#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {6307#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:38,361 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:38,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 51 [2018-12-17 14:13:38,362 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:38,362 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2018-12-17 14:13:38,362 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:38,362 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 52 states. [2018-12-17 14:13:38,449 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:38,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-12-17 14:13:38,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-12-17 14:13:38,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=2501, Unknown=0, NotChecked=0, Total=2652 [2018-12-17 14:13:38,451 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 52 states. [2018-12-17 14:13:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:44,148 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2018-12-17 14:13:44,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-17 14:13:44,148 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2018-12-17 14:13:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-17 14:13:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2018-12-17 14:13:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-17 14:13:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2018-12-17 14:13:44,150 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states and 42 transitions. [2018-12-17 14:13:44,203 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:44,203 INFO L225 Difference]: With dead ends: 54 [2018-12-17 14:13:44,204 INFO L226 Difference]: Without dead ends: 36 [2018-12-17 14:13:44,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 39 SyntacticMatches, 10 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=320, Invalid=4510, Unknown=0, NotChecked=0, Total=4830 [2018-12-17 14:13:44,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-12-17 14:13:44,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-12-17 14:13:44,670 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:44,670 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2018-12-17 14:13:44,670 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2018-12-17 14:13:44,671 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2018-12-17 14:13:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:44,671 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-12-17 14:13:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-12-17 14:13:44,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:44,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:44,672 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2018-12-17 14:13:44,672 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2018-12-17 14:13:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:44,673 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-12-17 14:13:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-12-17 14:13:44,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:44,674 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:44,674 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:44,674 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:44,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-12-17 14:13:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-12-17 14:13:44,674 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 34 [2018-12-17 14:13:44,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:44,674 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-12-17 14:13:44,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-12-17 14:13:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-12-17 14:13:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-17 14:13:44,675 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:44,675 INFO L402 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1, 1] [2018-12-17 14:13:44,675 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:44,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:44,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1394260940, now seen corresponding path program 23 times [2018-12-17 14:13:44,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:44,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:44,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:13:44,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:44,676 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:45,005 INFO L273 TraceCheckUtils]: 0: Hoare triple {6840#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,006 INFO L273 TraceCheckUtils]: 1: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,007 INFO L273 TraceCheckUtils]: 2: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,008 INFO L273 TraceCheckUtils]: 3: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,009 INFO L273 TraceCheckUtils]: 4: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,010 INFO L273 TraceCheckUtils]: 5: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,011 INFO L273 TraceCheckUtils]: 6: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,012 INFO L273 TraceCheckUtils]: 7: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,013 INFO L273 TraceCheckUtils]: 8: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,014 INFO L273 TraceCheckUtils]: 9: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,015 INFO L273 TraceCheckUtils]: 10: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,016 INFO L273 TraceCheckUtils]: 11: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,017 INFO L273 TraceCheckUtils]: 12: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,018 INFO L273 TraceCheckUtils]: 13: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,019 INFO L273 TraceCheckUtils]: 14: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,020 INFO L273 TraceCheckUtils]: 15: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,021 INFO L273 TraceCheckUtils]: 16: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:45,022 INFO L273 TraceCheckUtils]: 17: Hoare triple {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,023 INFO L273 TraceCheckUtils]: 18: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,023 INFO L273 TraceCheckUtils]: 19: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,024 INFO L273 TraceCheckUtils]: 20: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,025 INFO L273 TraceCheckUtils]: 21: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,026 INFO L273 TraceCheckUtils]: 22: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,027 INFO L273 TraceCheckUtils]: 23: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,028 INFO L273 TraceCheckUtils]: 24: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,029 INFO L273 TraceCheckUtils]: 25: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,030 INFO L273 TraceCheckUtils]: 26: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,031 INFO L273 TraceCheckUtils]: 27: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,032 INFO L273 TraceCheckUtils]: 28: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,033 INFO L273 TraceCheckUtils]: 29: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,034 INFO L273 TraceCheckUtils]: 30: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,035 INFO L273 TraceCheckUtils]: 31: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,036 INFO L273 TraceCheckUtils]: 32: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,036 INFO L273 TraceCheckUtils]: 33: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {6841#false} is VALID [2018-12-17 14:13:45,036 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2018-12-17 14:13:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:45,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:45,039 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:45,039 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:45,040 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:45,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:45,040 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:45,058 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:13:45,058 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:13:45,105 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2018-12-17 14:13:45,105 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:13:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:45,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:45,315 INFO L273 TraceCheckUtils]: 0: Hoare triple {6840#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,317 INFO L273 TraceCheckUtils]: 1: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,318 INFO L273 TraceCheckUtils]: 2: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,319 INFO L273 TraceCheckUtils]: 3: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,320 INFO L273 TraceCheckUtils]: 4: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,321 INFO L273 TraceCheckUtils]: 5: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,322 INFO L273 TraceCheckUtils]: 6: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,322 INFO L273 TraceCheckUtils]: 7: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,323 INFO L273 TraceCheckUtils]: 8: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,324 INFO L273 TraceCheckUtils]: 9: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,325 INFO L273 TraceCheckUtils]: 10: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,326 INFO L273 TraceCheckUtils]: 11: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,327 INFO L273 TraceCheckUtils]: 12: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,328 INFO L273 TraceCheckUtils]: 13: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,329 INFO L273 TraceCheckUtils]: 14: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,330 INFO L273 TraceCheckUtils]: 15: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,331 INFO L273 TraceCheckUtils]: 16: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:45,332 INFO L273 TraceCheckUtils]: 17: Hoare triple {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,333 INFO L273 TraceCheckUtils]: 18: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,334 INFO L273 TraceCheckUtils]: 19: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,335 INFO L273 TraceCheckUtils]: 20: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,336 INFO L273 TraceCheckUtils]: 21: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,337 INFO L273 TraceCheckUtils]: 22: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,338 INFO L273 TraceCheckUtils]: 23: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,339 INFO L273 TraceCheckUtils]: 24: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,340 INFO L273 TraceCheckUtils]: 25: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,340 INFO L273 TraceCheckUtils]: 26: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,341 INFO L273 TraceCheckUtils]: 27: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,342 INFO L273 TraceCheckUtils]: 28: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,343 INFO L273 TraceCheckUtils]: 29: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,344 INFO L273 TraceCheckUtils]: 30: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,345 INFO L273 TraceCheckUtils]: 31: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,346 INFO L273 TraceCheckUtils]: 32: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,347 INFO L273 TraceCheckUtils]: 33: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {6841#false} is VALID [2018-12-17 14:13:45,347 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2018-12-17 14:13:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:45,349 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:45,790 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2018-12-17 14:13:45,791 INFO L273 TraceCheckUtils]: 33: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {6841#false} is VALID [2018-12-17 14:13:45,791 INFO L273 TraceCheckUtils]: 32: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,792 INFO L273 TraceCheckUtils]: 31: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,792 INFO L273 TraceCheckUtils]: 30: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,793 INFO L273 TraceCheckUtils]: 29: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,793 INFO L273 TraceCheckUtils]: 28: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,794 INFO L273 TraceCheckUtils]: 27: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,795 INFO L273 TraceCheckUtils]: 26: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,796 INFO L273 TraceCheckUtils]: 25: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,797 INFO L273 TraceCheckUtils]: 24: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,798 INFO L273 TraceCheckUtils]: 23: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,798 INFO L273 TraceCheckUtils]: 22: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,799 INFO L273 TraceCheckUtils]: 21: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,800 INFO L273 TraceCheckUtils]: 20: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,801 INFO L273 TraceCheckUtils]: 19: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,802 INFO L273 TraceCheckUtils]: 18: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,803 INFO L273 TraceCheckUtils]: 17: Hoare triple {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,804 INFO L273 TraceCheckUtils]: 16: Hoare triple {6857#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6858#(<= 16 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:45,805 INFO L273 TraceCheckUtils]: 15: Hoare triple {6856#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6857#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,806 INFO L273 TraceCheckUtils]: 14: Hoare triple {6855#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6856#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,807 INFO L273 TraceCheckUtils]: 13: Hoare triple {6854#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6855#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,808 INFO L273 TraceCheckUtils]: 12: Hoare triple {6853#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6854#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,809 INFO L273 TraceCheckUtils]: 11: Hoare triple {6852#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6853#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,810 INFO L273 TraceCheckUtils]: 10: Hoare triple {6851#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6852#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,811 INFO L273 TraceCheckUtils]: 9: Hoare triple {6850#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6851#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,812 INFO L273 TraceCheckUtils]: 8: Hoare triple {6849#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6850#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,813 INFO L273 TraceCheckUtils]: 7: Hoare triple {6848#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6849#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,813 INFO L273 TraceCheckUtils]: 6: Hoare triple {6847#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6848#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,814 INFO L273 TraceCheckUtils]: 5: Hoare triple {6846#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6847#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,816 INFO L273 TraceCheckUtils]: 4: Hoare triple {6845#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6846#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,816 INFO L273 TraceCheckUtils]: 3: Hoare triple {6844#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6845#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,817 INFO L273 TraceCheckUtils]: 2: Hoare triple {6843#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6844#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,818 INFO L273 TraceCheckUtils]: 1: Hoare triple {6842#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {6843#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,819 INFO L273 TraceCheckUtils]: 0: Hoare triple {6840#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {6842#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:13:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:45,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:45,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 18 [2018-12-17 14:13:45,841 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:45,841 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2018-12-17 14:13:45,841 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:45,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2018-12-17 14:13:45,889 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:45,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-17 14:13:45,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-17 14:13:45,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-12-17 14:13:45,890 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 19 states. [2018-12-17 14:13:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:46,918 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-12-17 14:13:46,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-17 14:13:46,918 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2018-12-17 14:13:46,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-12-17 14:13:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2018-12-17 14:13:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-12-17 14:13:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2018-12-17 14:13:46,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 40 transitions. [2018-12-17 14:13:46,956 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:46,957 INFO L225 Difference]: With dead ends: 39 [2018-12-17 14:13:46,957 INFO L226 Difference]: Without dead ends: 37 [2018-12-17 14:13:46,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 53 SyntacticMatches, 32 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=459, Invalid=731, Unknown=0, NotChecked=0, Total=1190 [2018-12-17 14:13:46,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-17 14:13:47,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-17 14:13:47,545 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:47,546 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2018-12-17 14:13:47,546 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2018-12-17 14:13:47,546 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2018-12-17 14:13:47,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:47,547 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-12-17 14:13:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-12-17 14:13:47,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:47,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:47,548 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2018-12-17 14:13:47,548 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2018-12-17 14:13:47,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:47,549 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-12-17 14:13:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-12-17 14:13:47,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:47,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:47,549 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:47,550 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-17 14:13:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-12-17 14:13:47,550 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 35 [2018-12-17 14:13:47,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:47,551 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-12-17 14:13:47,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-17 14:13:47,551 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-12-17 14:13:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-17 14:13:47,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:47,551 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 1, 1, 1, 1] [2018-12-17 14:13:47,551 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:47,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:47,552 INFO L82 PathProgramCache]: Analyzing trace with hash 272417994, now seen corresponding path program 24 times [2018-12-17 14:13:47,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:47,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:47,552 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:13:47,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:47,553 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:48,716 INFO L273 TraceCheckUtils]: 0: Hoare triple {7318#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {7320#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,717 INFO L273 TraceCheckUtils]: 1: Hoare triple {7320#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7321#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,717 INFO L273 TraceCheckUtils]: 2: Hoare triple {7321#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7322#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,718 INFO L273 TraceCheckUtils]: 3: Hoare triple {7322#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7323#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:48,719 INFO L273 TraceCheckUtils]: 4: Hoare triple {7323#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7324#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,720 INFO L273 TraceCheckUtils]: 5: Hoare triple {7324#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7325#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:48,721 INFO L273 TraceCheckUtils]: 6: Hoare triple {7325#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7326#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,722 INFO L273 TraceCheckUtils]: 7: Hoare triple {7326#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7327#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:48,723 INFO L273 TraceCheckUtils]: 8: Hoare triple {7327#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7328#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,724 INFO L273 TraceCheckUtils]: 9: Hoare triple {7328#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7329#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,725 INFO L273 TraceCheckUtils]: 10: Hoare triple {7329#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7330#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,726 INFO L273 TraceCheckUtils]: 11: Hoare triple {7330#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7331#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:48,727 INFO L273 TraceCheckUtils]: 12: Hoare triple {7331#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7332#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,728 INFO L273 TraceCheckUtils]: 13: Hoare triple {7332#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7333#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,729 INFO L273 TraceCheckUtils]: 14: Hoare triple {7333#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7334#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:48,730 INFO L273 TraceCheckUtils]: 15: Hoare triple {7334#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7335#(or (and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2018-12-17 14:13:48,731 INFO L273 TraceCheckUtils]: 16: Hoare triple {7335#(or (and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7336#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 16 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:48,732 INFO L273 TraceCheckUtils]: 17: Hoare triple {7336#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 16 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {7337#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,733 INFO L273 TraceCheckUtils]: 18: Hoare triple {7337#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7338#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,734 INFO L273 TraceCheckUtils]: 19: Hoare triple {7338#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7339#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,736 INFO L273 TraceCheckUtils]: 20: Hoare triple {7339#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7340#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,737 INFO L273 TraceCheckUtils]: 21: Hoare triple {7340#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7341#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,738 INFO L273 TraceCheckUtils]: 22: Hoare triple {7341#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7342#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,739 INFO L273 TraceCheckUtils]: 23: Hoare triple {7342#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7343#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,740 INFO L273 TraceCheckUtils]: 24: Hoare triple {7343#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7344#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,741 INFO L273 TraceCheckUtils]: 25: Hoare triple {7344#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7345#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,742 INFO L273 TraceCheckUtils]: 26: Hoare triple {7345#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7346#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,743 INFO L273 TraceCheckUtils]: 27: Hoare triple {7346#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7347#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,744 INFO L273 TraceCheckUtils]: 28: Hoare triple {7347#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7348#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,745 INFO L273 TraceCheckUtils]: 29: Hoare triple {7348#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7349#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,746 INFO L273 TraceCheckUtils]: 30: Hoare triple {7349#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7350#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,747 INFO L273 TraceCheckUtils]: 31: Hoare triple {7350#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7351#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,748 INFO L273 TraceCheckUtils]: 32: Hoare triple {7351#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7352#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:48,749 INFO L273 TraceCheckUtils]: 33: Hoare triple {7352#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7353#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:48,750 INFO L273 TraceCheckUtils]: 34: Hoare triple {7353#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {7319#false} is VALID [2018-12-17 14:13:48,750 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2018-12-17 14:13:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:48,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:48,753 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:48,754 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:48,754 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:48,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:48,754 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:48,765 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:13:48,765 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:13:48,789 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:13:48,789 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:13:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:48,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:13:49,609 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:13:49,612 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:49,618 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:49,619 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:13:49,621 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:49,622 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_206]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (<= 16 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_206 15 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:13:49,622 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= (select ULTIMATE.start_main_~str2~6 15) (select ULTIMATE.start_main_~str1~6 0)) (<= 16 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:13:49,687 INFO L273 TraceCheckUtils]: 0: Hoare triple {7318#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {7318#true} is VALID [2018-12-17 14:13:49,687 INFO L273 TraceCheckUtils]: 1: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,687 INFO L273 TraceCheckUtils]: 2: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,687 INFO L273 TraceCheckUtils]: 3: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,687 INFO L273 TraceCheckUtils]: 4: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 5: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 6: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 7: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 8: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 9: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 10: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 11: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 12: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,688 INFO L273 TraceCheckUtils]: 13: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,689 INFO L273 TraceCheckUtils]: 14: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,689 INFO L273 TraceCheckUtils]: 15: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,689 INFO L273 TraceCheckUtils]: 16: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:49,689 INFO L273 TraceCheckUtils]: 17: Hoare triple {7318#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {7408#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:49,690 INFO L273 TraceCheckUtils]: 18: Hoare triple {7408#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7412#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:13:49,691 INFO L273 TraceCheckUtils]: 19: Hoare triple {7412#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7416#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:13:49,691 INFO L273 TraceCheckUtils]: 20: Hoare triple {7416#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:13:49,692 INFO L273 TraceCheckUtils]: 21: Hoare triple {7420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7424#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:13:49,693 INFO L273 TraceCheckUtils]: 22: Hoare triple {7424#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7428#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:49,694 INFO L273 TraceCheckUtils]: 23: Hoare triple {7428#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7432#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:13:49,695 INFO L273 TraceCheckUtils]: 24: Hoare triple {7432#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7436#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:13:49,696 INFO L273 TraceCheckUtils]: 25: Hoare triple {7436#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:13:49,698 INFO L273 TraceCheckUtils]: 26: Hoare triple {7440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7444#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:13:49,699 INFO L273 TraceCheckUtils]: 27: Hoare triple {7444#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:13:49,700 INFO L273 TraceCheckUtils]: 28: Hoare triple {7448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7452#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:13:49,701 INFO L273 TraceCheckUtils]: 29: Hoare triple {7452#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7456#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:13:49,702 INFO L273 TraceCheckUtils]: 30: Hoare triple {7456#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7460#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:13:49,703 INFO L273 TraceCheckUtils]: 31: Hoare triple {7460#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7464#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:13:49,704 INFO L273 TraceCheckUtils]: 32: Hoare triple {7464#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:13:49,705 INFO L273 TraceCheckUtils]: 33: Hoare triple {7468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7472#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= (select ULTIMATE.start_main_~str2~6 15) (select ULTIMATE.start_main_~str1~6 0)) (<= 16 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:49,706 INFO L273 TraceCheckUtils]: 34: Hoare triple {7472#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= (select ULTIMATE.start_main_~str2~6 15) (select ULTIMATE.start_main_~str1~6 0)) (<= 16 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {7319#false} is VALID [2018-12-17 14:13:49,707 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2018-12-17 14:13:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-17 14:13:49,709 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:13:49,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:13:49,819 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:13:49,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:13:49,832 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:13:49,834 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:13:49,835 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:13:49,835 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:13:50,882 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2018-12-17 14:13:50,883 INFO L273 TraceCheckUtils]: 34: Hoare triple {7482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {7319#false} is VALID [2018-12-17 14:13:50,885 INFO L273 TraceCheckUtils]: 33: Hoare triple {7486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7482#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,886 INFO L273 TraceCheckUtils]: 32: Hoare triple {7490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7486#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:50,888 INFO L273 TraceCheckUtils]: 31: Hoare triple {7494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7490#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:13:50,889 INFO L273 TraceCheckUtils]: 30: Hoare triple {7498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7494#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,890 INFO L273 TraceCheckUtils]: 29: Hoare triple {7502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7498#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,892 INFO L273 TraceCheckUtils]: 28: Hoare triple {7506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7502#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:13:50,893 INFO L273 TraceCheckUtils]: 27: Hoare triple {7510#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7506#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:50,895 INFO L273 TraceCheckUtils]: 26: Hoare triple {7514#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7510#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,896 INFO L273 TraceCheckUtils]: 25: Hoare triple {7518#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7514#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,897 INFO L273 TraceCheckUtils]: 24: Hoare triple {7522#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7518#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:13:50,899 INFO L273 TraceCheckUtils]: 23: Hoare triple {7526#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7522#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,900 INFO L273 TraceCheckUtils]: 22: Hoare triple {7530#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7526#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:13:50,901 INFO L273 TraceCheckUtils]: 21: Hoare triple {7534#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7530#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,903 INFO L273 TraceCheckUtils]: 20: Hoare triple {7538#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7534#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:13:50,904 INFO L273 TraceCheckUtils]: 19: Hoare triple {7542#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7538#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:50,905 INFO L273 TraceCheckUtils]: 18: Hoare triple {7546#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7542#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:13:50,906 INFO L273 TraceCheckUtils]: 17: Hoare triple {7318#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {7546#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:13:50,907 INFO L273 TraceCheckUtils]: 16: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,907 INFO L273 TraceCheckUtils]: 15: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,907 INFO L273 TraceCheckUtils]: 14: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,907 INFO L273 TraceCheckUtils]: 13: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,908 INFO L273 TraceCheckUtils]: 12: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,908 INFO L273 TraceCheckUtils]: 11: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,908 INFO L273 TraceCheckUtils]: 10: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,908 INFO L273 TraceCheckUtils]: 9: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,908 INFO L273 TraceCheckUtils]: 8: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,909 INFO L273 TraceCheckUtils]: 7: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,909 INFO L273 TraceCheckUtils]: 6: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,909 INFO L273 TraceCheckUtils]: 5: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,909 INFO L273 TraceCheckUtils]: 4: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,909 INFO L273 TraceCheckUtils]: 3: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,910 INFO L273 TraceCheckUtils]: 2: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,910 INFO L273 TraceCheckUtils]: 1: Hoare triple {7318#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7318#true} is VALID [2018-12-17 14:13:50,910 INFO L273 TraceCheckUtils]: 0: Hoare triple {7318#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {7318#true} is VALID [2018-12-17 14:13:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-17 14:13:50,933 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:13:50,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 19, 19] total 70 [2018-12-17 14:13:50,934 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:13:50,934 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2018-12-17 14:13:50,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:13:50,934 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states. [2018-12-17 14:13:50,992 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:50,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-12-17 14:13:50,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-12-17 14:13:50,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=4148, Unknown=0, NotChecked=0, Total=4830 [2018-12-17 14:13:50,993 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 53 states. [2018-12-17 14:13:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:57,886 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2018-12-17 14:13:57,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-12-17 14:13:57,887 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2018-12-17 14:13:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:13:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-17 14:13:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2018-12-17 14:13:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-17 14:13:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2018-12-17 14:13:57,889 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 63 transitions. [2018-12-17 14:13:57,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:13:57,966 INFO L225 Difference]: With dead ends: 59 [2018-12-17 14:13:57,966 INFO L226 Difference]: Without dead ends: 39 [2018-12-17 14:13:57,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1147, Invalid=7043, Unknown=0, NotChecked=0, Total=8190 [2018-12-17 14:13:57,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-17 14:13:58,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-17 14:13:58,496 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:13:58,497 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2018-12-17 14:13:58,497 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2018-12-17 14:13:58,497 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2018-12-17 14:13:58,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:58,498 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-12-17 14:13:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-12-17 14:13:58,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:58,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:58,499 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2018-12-17 14:13:58,499 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2018-12-17 14:13:58,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:13:58,500 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-12-17 14:13:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-12-17 14:13:58,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:13:58,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:13:58,500 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:13:58,500 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:13:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-17 14:13:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-12-17 14:13:58,501 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 36 [2018-12-17 14:13:58,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:13:58,501 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-12-17 14:13:58,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-12-17 14:13:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-12-17 14:13:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-17 14:13:58,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:13:58,502 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 1, 1, 1, 1] [2018-12-17 14:13:58,502 INFO L423 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:13:58,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:13:58,503 INFO L82 PathProgramCache]: Analyzing trace with hash -392102219, now seen corresponding path program 25 times [2018-12-17 14:13:58,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:13:58,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:58,504 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:13:58,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:13:58,504 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:13:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:59,859 INFO L273 TraceCheckUtils]: 0: Hoare triple {7911#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,861 INFO L273 TraceCheckUtils]: 1: Hoare triple {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,862 INFO L273 TraceCheckUtils]: 2: Hoare triple {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,863 INFO L273 TraceCheckUtils]: 3: Hoare triple {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:13:59,864 INFO L273 TraceCheckUtils]: 4: Hoare triple {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,865 INFO L273 TraceCheckUtils]: 5: Hoare triple {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:13:59,866 INFO L273 TraceCheckUtils]: 6: Hoare triple {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,867 INFO L273 TraceCheckUtils]: 7: Hoare triple {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:13:59,868 INFO L273 TraceCheckUtils]: 8: Hoare triple {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,869 INFO L273 TraceCheckUtils]: 9: Hoare triple {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,870 INFO L273 TraceCheckUtils]: 10: Hoare triple {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,871 INFO L273 TraceCheckUtils]: 11: Hoare triple {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:13:59,872 INFO L273 TraceCheckUtils]: 12: Hoare triple {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,873 INFO L273 TraceCheckUtils]: 13: Hoare triple {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,874 INFO L273 TraceCheckUtils]: 14: Hoare triple {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:13:59,875 INFO L273 TraceCheckUtils]: 15: Hoare triple {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:13:59,876 INFO L273 TraceCheckUtils]: 16: Hoare triple {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7929#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16)))} is VALID [2018-12-17 14:13:59,877 INFO L273 TraceCheckUtils]: 17: Hoare triple {7929#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:13:59,878 INFO L273 TraceCheckUtils]: 18: Hoare triple {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {7931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,879 INFO L273 TraceCheckUtils]: 19: Hoare triple {7931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,880 INFO L273 TraceCheckUtils]: 20: Hoare triple {7932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,881 INFO L273 TraceCheckUtils]: 21: Hoare triple {7933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,882 INFO L273 TraceCheckUtils]: 22: Hoare triple {7934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,896 INFO L273 TraceCheckUtils]: 23: Hoare triple {7935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,897 INFO L273 TraceCheckUtils]: 24: Hoare triple {7936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,898 INFO L273 TraceCheckUtils]: 25: Hoare triple {7937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,898 INFO L273 TraceCheckUtils]: 26: Hoare triple {7938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,899 INFO L273 TraceCheckUtils]: 27: Hoare triple {7939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,900 INFO L273 TraceCheckUtils]: 28: Hoare triple {7940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,901 INFO L273 TraceCheckUtils]: 29: Hoare triple {7941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,902 INFO L273 TraceCheckUtils]: 30: Hoare triple {7942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,903 INFO L273 TraceCheckUtils]: 31: Hoare triple {7943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,904 INFO L273 TraceCheckUtils]: 32: Hoare triple {7944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,905 INFO L273 TraceCheckUtils]: 33: Hoare triple {7945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,906 INFO L273 TraceCheckUtils]: 34: Hoare triple {7946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:13:59,907 INFO L273 TraceCheckUtils]: 35: Hoare triple {7947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:13:59,908 INFO L273 TraceCheckUtils]: 36: Hoare triple {7948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {7912#false} is VALID [2018-12-17 14:13:59,908 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2018-12-17 14:13:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:13:59,912 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:59,912 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:13:59,913 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:13:59,913 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:13:59,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:13:59,913 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:13:59,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:13:59,922 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:13:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:13:59,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:14:01,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:14:01,123 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:01,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:01,130 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:14:01,132 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:14:01,132 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_223]. (and (= (store v_ULTIMATE.start_main_~str2~6_223 16 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17)) [2018-12-17 14:14:01,133 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 16) (select ULTIMATE.start_main_~str1~6 0)) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17)) [2018-12-17 14:14:01,197 INFO L273 TraceCheckUtils]: 0: Hoare triple {7911#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,198 INFO L273 TraceCheckUtils]: 1: Hoare triple {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,200 INFO L273 TraceCheckUtils]: 2: Hoare triple {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,201 INFO L273 TraceCheckUtils]: 3: Hoare triple {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:14:01,202 INFO L273 TraceCheckUtils]: 4: Hoare triple {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,203 INFO L273 TraceCheckUtils]: 5: Hoare triple {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:14:01,205 INFO L273 TraceCheckUtils]: 6: Hoare triple {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,206 INFO L273 TraceCheckUtils]: 7: Hoare triple {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:14:01,207 INFO L273 TraceCheckUtils]: 8: Hoare triple {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,208 INFO L273 TraceCheckUtils]: 9: Hoare triple {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,209 INFO L273 TraceCheckUtils]: 10: Hoare triple {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,210 INFO L273 TraceCheckUtils]: 11: Hoare triple {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:14:01,211 INFO L273 TraceCheckUtils]: 12: Hoare triple {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,212 INFO L273 TraceCheckUtils]: 13: Hoare triple {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,213 INFO L273 TraceCheckUtils]: 14: Hoare triple {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,214 INFO L273 TraceCheckUtils]: 15: Hoare triple {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:14:01,215 INFO L273 TraceCheckUtils]: 16: Hoare triple {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:14:01,216 INFO L273 TraceCheckUtils]: 17: Hoare triple {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8004#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 17))} is VALID [2018-12-17 14:14:01,218 INFO L273 TraceCheckUtils]: 18: Hoare triple {8004#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 17))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {8008#(and (= ULTIMATE.start_main_~j~6 0) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,219 INFO L273 TraceCheckUtils]: 19: Hoare triple {8008#(and (= ULTIMATE.start_main_~j~6 0) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8012#(and (= ULTIMATE.start_main_~j~6 1) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,220 INFO L273 TraceCheckUtils]: 20: Hoare triple {8012#(and (= ULTIMATE.start_main_~j~6 1) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8016#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:14:01,221 INFO L273 TraceCheckUtils]: 21: Hoare triple {8016#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8020#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,222 INFO L273 TraceCheckUtils]: 22: Hoare triple {8020#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8024#(and (= ULTIMATE.start_main_~j~6 4) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,223 INFO L273 TraceCheckUtils]: 23: Hoare triple {8024#(and (= ULTIMATE.start_main_~j~6 4) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8028#(and (= ULTIMATE.start_main_~j~6 5) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,224 INFO L273 TraceCheckUtils]: 24: Hoare triple {8028#(and (= ULTIMATE.start_main_~j~6 5) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8032#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:14:01,225 INFO L273 TraceCheckUtils]: 25: Hoare triple {8032#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8036#(and (= ULTIMATE.start_main_~j~6 7) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,226 INFO L273 TraceCheckUtils]: 26: Hoare triple {8036#(and (= ULTIMATE.start_main_~j~6 7) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8040#(and (= ULTIMATE.start_main_~j~6 8) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,227 INFO L273 TraceCheckUtils]: 27: Hoare triple {8040#(and (= ULTIMATE.start_main_~j~6 8) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8044#(and (= ULTIMATE.start_main_~j~6 9) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,228 INFO L273 TraceCheckUtils]: 28: Hoare triple {8044#(and (= ULTIMATE.start_main_~j~6 9) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8048#(and (= ULTIMATE.start_main_~j~6 10) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,228 INFO L273 TraceCheckUtils]: 29: Hoare triple {8048#(and (= ULTIMATE.start_main_~j~6 10) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8052#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,229 INFO L273 TraceCheckUtils]: 30: Hoare triple {8052#(and (<= 17 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8056#(and (= ULTIMATE.start_main_~j~6 12) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,230 INFO L273 TraceCheckUtils]: 31: Hoare triple {8056#(and (= ULTIMATE.start_main_~j~6 12) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8060#(and (= ULTIMATE.start_main_~j~6 13) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,231 INFO L273 TraceCheckUtils]: 32: Hoare triple {8060#(and (= ULTIMATE.start_main_~j~6 13) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8064#(and (= ULTIMATE.start_main_~j~6 14) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,232 INFO L273 TraceCheckUtils]: 33: Hoare triple {8064#(and (= ULTIMATE.start_main_~j~6 14) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8068#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:14:01,233 INFO L273 TraceCheckUtils]: 34: Hoare triple {8068#(and (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8072#(and (= ULTIMATE.start_main_~j~6 16) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,234 INFO L273 TraceCheckUtils]: 35: Hoare triple {8072#(and (= ULTIMATE.start_main_~j~6 16) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8076#(and (= (select ULTIMATE.start_main_~str2~6 16) (select ULTIMATE.start_main_~str1~6 0)) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} is VALID [2018-12-17 14:14:01,235 INFO L273 TraceCheckUtils]: 36: Hoare triple {8076#(and (= (select ULTIMATE.start_main_~str2~6 16) (select ULTIMATE.start_main_~str1~6 0)) (<= 17 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 17))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {7912#false} is VALID [2018-12-17 14:14:01,235 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2018-12-17 14:14:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:01,240 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:14:01,274 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:14:01,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:01,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:01,279 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:14:01,282 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:14:01,282 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:14:01,282 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:14:01,643 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2018-12-17 14:14:01,644 INFO L273 TraceCheckUtils]: 36: Hoare triple {7948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {7912#false} is VALID [2018-12-17 14:14:01,645 INFO L273 TraceCheckUtils]: 35: Hoare triple {7947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:14:01,646 INFO L273 TraceCheckUtils]: 34: Hoare triple {7946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,647 INFO L273 TraceCheckUtils]: 33: Hoare triple {7945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,648 INFO L273 TraceCheckUtils]: 32: Hoare triple {7944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,649 INFO L273 TraceCheckUtils]: 31: Hoare triple {7943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,650 INFO L273 TraceCheckUtils]: 30: Hoare triple {7942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,651 INFO L273 TraceCheckUtils]: 29: Hoare triple {7941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,652 INFO L273 TraceCheckUtils]: 28: Hoare triple {7940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,653 INFO L273 TraceCheckUtils]: 27: Hoare triple {7939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,654 INFO L273 TraceCheckUtils]: 26: Hoare triple {7938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,655 INFO L273 TraceCheckUtils]: 25: Hoare triple {7937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,656 INFO L273 TraceCheckUtils]: 24: Hoare triple {7936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,657 INFO L273 TraceCheckUtils]: 23: Hoare triple {7935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,658 INFO L273 TraceCheckUtils]: 22: Hoare triple {7934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,659 INFO L273 TraceCheckUtils]: 21: Hoare triple {7933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,660 INFO L273 TraceCheckUtils]: 20: Hoare triple {7932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,661 INFO L273 TraceCheckUtils]: 19: Hoare triple {7931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {7932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,662 INFO L273 TraceCheckUtils]: 18: Hoare triple {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {7931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:01,663 INFO L273 TraceCheckUtils]: 17: Hoare triple {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7930#(or (= 17 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:01,664 INFO L273 TraceCheckUtils]: 16: Hoare triple {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8000#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:14:01,665 INFO L273 TraceCheckUtils]: 15: Hoare triple {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7928#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:14:01,666 INFO L273 TraceCheckUtils]: 14: Hoare triple {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7927#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,667 INFO L273 TraceCheckUtils]: 13: Hoare triple {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7926#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,668 INFO L273 TraceCheckUtils]: 12: Hoare triple {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7925#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,669 INFO L273 TraceCheckUtils]: 11: Hoare triple {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7924#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:14:01,670 INFO L273 TraceCheckUtils]: 10: Hoare triple {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7923#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,671 INFO L273 TraceCheckUtils]: 9: Hoare triple {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7922#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,672 INFO L273 TraceCheckUtils]: 8: Hoare triple {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7921#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,673 INFO L273 TraceCheckUtils]: 7: Hoare triple {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7920#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:14:01,674 INFO L273 TraceCheckUtils]: 6: Hoare triple {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7919#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,675 INFO L273 TraceCheckUtils]: 5: Hoare triple {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7918#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:14:01,676 INFO L273 TraceCheckUtils]: 4: Hoare triple {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7917#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,677 INFO L273 TraceCheckUtils]: 3: Hoare triple {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7916#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:14:01,678 INFO L273 TraceCheckUtils]: 2: Hoare triple {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7915#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,679 INFO L273 TraceCheckUtils]: 1: Hoare triple {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {7914#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,680 INFO L273 TraceCheckUtils]: 0: Hoare triple {7911#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {7913#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:01,703 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:14:01,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 57 [2018-12-17 14:14:01,703 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:14:01,704 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2018-12-17 14:14:01,704 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:14:01,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 58 states. [2018-12-17 14:14:01,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:01,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-12-17 14:14:01,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-12-17 14:14:01,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=3137, Unknown=0, NotChecked=0, Total=3306 [2018-12-17 14:14:01,782 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 58 states. [2018-12-17 14:14:08,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:08,110 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-17 14:14:08,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-17 14:14:08,110 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2018-12-17 14:14:08,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:14:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-17 14:14:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-12-17 14:14:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-17 14:14:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-12-17 14:14:08,112 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 46 transitions. [2018-12-17 14:14:08,165 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:08,166 INFO L225 Difference]: With dead ends: 60 [2018-12-17 14:14:08,166 INFO L226 Difference]: Without dead ends: 40 [2018-12-17 14:14:08,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 43 SyntacticMatches, 12 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=358, Invalid=5648, Unknown=0, NotChecked=0, Total=6006 [2018-12-17 14:14:08,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-17 14:14:08,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-17 14:14:08,823 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:14:08,823 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 40 states. [2018-12-17 14:14:08,823 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2018-12-17 14:14:08,823 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2018-12-17 14:14:08,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:08,824 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-12-17 14:14:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-12-17 14:14:08,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:08,825 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:08,825 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2018-12-17 14:14:08,825 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2018-12-17 14:14:08,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:08,826 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-12-17 14:14:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-12-17 14:14:08,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:08,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:08,827 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:14:08,827 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:14:08,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-17 14:14:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2018-12-17 14:14:08,827 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 38 [2018-12-17 14:14:08,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:14:08,828 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2018-12-17 14:14:08,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-12-17 14:14:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-12-17 14:14:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-17 14:14:08,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:14:08,828 INFO L402 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1, 1] [2018-12-17 14:14:08,829 INFO L423 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:14:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:14:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash 536887468, now seen corresponding path program 26 times [2018-12-17 14:14:08,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:14:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:08,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:14:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:08,830 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:14:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:09,626 INFO L273 TraceCheckUtils]: 0: Hoare triple {8508#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,627 INFO L273 TraceCheckUtils]: 1: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,628 INFO L273 TraceCheckUtils]: 2: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,628 INFO L273 TraceCheckUtils]: 3: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,629 INFO L273 TraceCheckUtils]: 4: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,630 INFO L273 TraceCheckUtils]: 5: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,631 INFO L273 TraceCheckUtils]: 6: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,631 INFO L273 TraceCheckUtils]: 7: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,632 INFO L273 TraceCheckUtils]: 8: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,633 INFO L273 TraceCheckUtils]: 9: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,634 INFO L273 TraceCheckUtils]: 10: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,635 INFO L273 TraceCheckUtils]: 11: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,636 INFO L273 TraceCheckUtils]: 12: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,637 INFO L273 TraceCheckUtils]: 13: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,638 INFO L273 TraceCheckUtils]: 14: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,639 INFO L273 TraceCheckUtils]: 15: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,640 INFO L273 TraceCheckUtils]: 16: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,641 INFO L273 TraceCheckUtils]: 17: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,642 INFO L273 TraceCheckUtils]: 18: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:09,643 INFO L273 TraceCheckUtils]: 19: Hoare triple {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,644 INFO L273 TraceCheckUtils]: 20: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,645 INFO L273 TraceCheckUtils]: 21: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,646 INFO L273 TraceCheckUtils]: 22: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,647 INFO L273 TraceCheckUtils]: 23: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,647 INFO L273 TraceCheckUtils]: 24: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,648 INFO L273 TraceCheckUtils]: 25: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,649 INFO L273 TraceCheckUtils]: 26: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,650 INFO L273 TraceCheckUtils]: 27: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,651 INFO L273 TraceCheckUtils]: 28: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,652 INFO L273 TraceCheckUtils]: 29: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,653 INFO L273 TraceCheckUtils]: 30: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,654 INFO L273 TraceCheckUtils]: 31: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,655 INFO L273 TraceCheckUtils]: 32: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,656 INFO L273 TraceCheckUtils]: 33: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,657 INFO L273 TraceCheckUtils]: 34: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,658 INFO L273 TraceCheckUtils]: 35: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,659 INFO L273 TraceCheckUtils]: 36: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,659 INFO L273 TraceCheckUtils]: 37: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {8509#false} is VALID [2018-12-17 14:14:09,659 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2018-12-17 14:14:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:09,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:09,662 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:14:09,662 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:14:09,662 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:14:09,663 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:09,663 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:14:09,672 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:14:09,672 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:14:09,760 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-12-17 14:14:09,761 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:14:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:09,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:14:09,951 INFO L273 TraceCheckUtils]: 0: Hoare triple {8508#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,952 INFO L273 TraceCheckUtils]: 1: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,953 INFO L273 TraceCheckUtils]: 2: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,954 INFO L273 TraceCheckUtils]: 3: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,955 INFO L273 TraceCheckUtils]: 4: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,956 INFO L273 TraceCheckUtils]: 5: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,957 INFO L273 TraceCheckUtils]: 6: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,957 INFO L273 TraceCheckUtils]: 7: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,958 INFO L273 TraceCheckUtils]: 8: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,959 INFO L273 TraceCheckUtils]: 9: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,960 INFO L273 TraceCheckUtils]: 10: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,961 INFO L273 TraceCheckUtils]: 11: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,962 INFO L273 TraceCheckUtils]: 12: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,963 INFO L273 TraceCheckUtils]: 13: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,964 INFO L273 TraceCheckUtils]: 14: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,965 INFO L273 TraceCheckUtils]: 15: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,965 INFO L273 TraceCheckUtils]: 16: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,966 INFO L273 TraceCheckUtils]: 17: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,967 INFO L273 TraceCheckUtils]: 18: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:09,968 INFO L273 TraceCheckUtils]: 19: Hoare triple {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,969 INFO L273 TraceCheckUtils]: 20: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,970 INFO L273 TraceCheckUtils]: 21: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,971 INFO L273 TraceCheckUtils]: 22: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,972 INFO L273 TraceCheckUtils]: 23: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,973 INFO L273 TraceCheckUtils]: 24: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,973 INFO L273 TraceCheckUtils]: 25: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,974 INFO L273 TraceCheckUtils]: 26: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,975 INFO L273 TraceCheckUtils]: 27: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,976 INFO L273 TraceCheckUtils]: 28: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,977 INFO L273 TraceCheckUtils]: 29: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,978 INFO L273 TraceCheckUtils]: 30: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,979 INFO L273 TraceCheckUtils]: 31: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,980 INFO L273 TraceCheckUtils]: 32: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,981 INFO L273 TraceCheckUtils]: 33: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,981 INFO L273 TraceCheckUtils]: 34: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,982 INFO L273 TraceCheckUtils]: 35: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,983 INFO L273 TraceCheckUtils]: 36: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:09,984 INFO L273 TraceCheckUtils]: 37: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {8509#false} is VALID [2018-12-17 14:14:09,984 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2018-12-17 14:14:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:09,987 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:14:10,459 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2018-12-17 14:14:10,460 INFO L273 TraceCheckUtils]: 37: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {8509#false} is VALID [2018-12-17 14:14:10,461 INFO L273 TraceCheckUtils]: 36: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,462 INFO L273 TraceCheckUtils]: 35: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,463 INFO L273 TraceCheckUtils]: 34: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,464 INFO L273 TraceCheckUtils]: 33: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,465 INFO L273 TraceCheckUtils]: 32: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,466 INFO L273 TraceCheckUtils]: 31: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,467 INFO L273 TraceCheckUtils]: 30: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,468 INFO L273 TraceCheckUtils]: 29: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,469 INFO L273 TraceCheckUtils]: 28: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,470 INFO L273 TraceCheckUtils]: 27: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,470 INFO L273 TraceCheckUtils]: 26: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,471 INFO L273 TraceCheckUtils]: 25: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,472 INFO L273 TraceCheckUtils]: 24: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,473 INFO L273 TraceCheckUtils]: 23: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,474 INFO L273 TraceCheckUtils]: 22: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,475 INFO L273 TraceCheckUtils]: 21: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,476 INFO L273 TraceCheckUtils]: 20: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,477 INFO L273 TraceCheckUtils]: 19: Hoare triple {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,478 INFO L273 TraceCheckUtils]: 18: Hoare triple {8527#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8528#(<= 18 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:10,479 INFO L273 TraceCheckUtils]: 17: Hoare triple {8526#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8527#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,480 INFO L273 TraceCheckUtils]: 16: Hoare triple {8525#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8526#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,481 INFO L273 TraceCheckUtils]: 15: Hoare triple {8524#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8525#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,482 INFO L273 TraceCheckUtils]: 14: Hoare triple {8523#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8524#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,483 INFO L273 TraceCheckUtils]: 13: Hoare triple {8522#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8523#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,484 INFO L273 TraceCheckUtils]: 12: Hoare triple {8521#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8522#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,485 INFO L273 TraceCheckUtils]: 11: Hoare triple {8520#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8521#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,486 INFO L273 TraceCheckUtils]: 10: Hoare triple {8519#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8520#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,487 INFO L273 TraceCheckUtils]: 9: Hoare triple {8518#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8519#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,487 INFO L273 TraceCheckUtils]: 8: Hoare triple {8517#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8518#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,488 INFO L273 TraceCheckUtils]: 7: Hoare triple {8516#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8517#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,489 INFO L273 TraceCheckUtils]: 6: Hoare triple {8515#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8516#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,490 INFO L273 TraceCheckUtils]: 5: Hoare triple {8514#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8515#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,491 INFO L273 TraceCheckUtils]: 4: Hoare triple {8513#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8514#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,492 INFO L273 TraceCheckUtils]: 3: Hoare triple {8512#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8513#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,493 INFO L273 TraceCheckUtils]: 2: Hoare triple {8511#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8512#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,494 INFO L273 TraceCheckUtils]: 1: Hoare triple {8510#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {8511#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,495 INFO L273 TraceCheckUtils]: 0: Hoare triple {8508#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {8510#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:10,519 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:14:10,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 20 [2018-12-17 14:14:10,519 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:14:10,520 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2018-12-17 14:14:10,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:14:10,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states. [2018-12-17 14:14:10,567 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:10,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-17 14:14:10,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-17 14:14:10,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2018-12-17 14:14:10,568 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 21 states. [2018-12-17 14:14:11,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:11,667 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-12-17 14:14:11,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-17 14:14:11,667 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2018-12-17 14:14:11,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:14:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-17 14:14:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-12-17 14:14:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-17 14:14:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-12-17 14:14:11,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 44 transitions. [2018-12-17 14:14:11,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:11,718 INFO L225 Difference]: With dead ends: 43 [2018-12-17 14:14:11,718 INFO L226 Difference]: Without dead ends: 41 [2018-12-17 14:14:11,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 59 SyntacticMatches, 36 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=570, Invalid=912, Unknown=0, NotChecked=0, Total=1482 [2018-12-17 14:14:11,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-17 14:14:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-17 14:14:12,716 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:14:12,716 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2018-12-17 14:14:12,716 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2018-12-17 14:14:12,716 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2018-12-17 14:14:12,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:12,717 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-12-17 14:14:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-12-17 14:14:12,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:12,718 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:12,718 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2018-12-17 14:14:12,718 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2018-12-17 14:14:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:12,719 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-12-17 14:14:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-12-17 14:14:12,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:12,719 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:12,719 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:14:12,719 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:14:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-17 14:14:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-12-17 14:14:12,720 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 39 [2018-12-17 14:14:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:14:12,720 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-12-17 14:14:12,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-17 14:14:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-12-17 14:14:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-17 14:14:12,721 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:14:12,721 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 1, 1, 1, 1] [2018-12-17 14:14:12,721 INFO L423 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:14:12,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:14:12,721 INFO L82 PathProgramCache]: Analyzing trace with hash -536355862, now seen corresponding path program 27 times [2018-12-17 14:14:12,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:14:12,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:12,722 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:14:12,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:12,722 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:14:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:14,195 INFO L273 TraceCheckUtils]: 0: Hoare triple {9040#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {9042#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,196 INFO L273 TraceCheckUtils]: 1: Hoare triple {9042#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9043#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,197 INFO L273 TraceCheckUtils]: 2: Hoare triple {9043#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9044#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,198 INFO L273 TraceCheckUtils]: 3: Hoare triple {9044#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9045#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:14:14,199 INFO L273 TraceCheckUtils]: 4: Hoare triple {9045#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9046#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,200 INFO L273 TraceCheckUtils]: 5: Hoare triple {9046#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9047#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:14:14,201 INFO L273 TraceCheckUtils]: 6: Hoare triple {9047#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9048#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,202 INFO L273 TraceCheckUtils]: 7: Hoare triple {9048#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9049#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:14:14,203 INFO L273 TraceCheckUtils]: 8: Hoare triple {9049#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9050#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,205 INFO L273 TraceCheckUtils]: 9: Hoare triple {9050#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9051#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,206 INFO L273 TraceCheckUtils]: 10: Hoare triple {9051#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9052#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,207 INFO L273 TraceCheckUtils]: 11: Hoare triple {9052#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9053#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:14:14,208 INFO L273 TraceCheckUtils]: 12: Hoare triple {9053#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9054#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,209 INFO L273 TraceCheckUtils]: 13: Hoare triple {9054#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9055#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,210 INFO L273 TraceCheckUtils]: 14: Hoare triple {9055#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9056#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:14,211 INFO L273 TraceCheckUtils]: 15: Hoare triple {9056#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9057#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:14:14,212 INFO L273 TraceCheckUtils]: 16: Hoare triple {9057#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9058#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:14:14,213 INFO L273 TraceCheckUtils]: 17: Hoare triple {9058#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9059#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:14:14,214 INFO L273 TraceCheckUtils]: 18: Hoare triple {9059#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9060#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 18 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:14,215 INFO L273 TraceCheckUtils]: 19: Hoare triple {9060#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 18 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {9061#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,216 INFO L273 TraceCheckUtils]: 20: Hoare triple {9061#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9062#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,217 INFO L273 TraceCheckUtils]: 21: Hoare triple {9062#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9063#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,218 INFO L273 TraceCheckUtils]: 22: Hoare triple {9063#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9064#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,219 INFO L273 TraceCheckUtils]: 23: Hoare triple {9064#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9065#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,220 INFO L273 TraceCheckUtils]: 24: Hoare triple {9065#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9066#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,221 INFO L273 TraceCheckUtils]: 25: Hoare triple {9066#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9067#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,222 INFO L273 TraceCheckUtils]: 26: Hoare triple {9067#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9068#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,223 INFO L273 TraceCheckUtils]: 27: Hoare triple {9068#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9069#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,224 INFO L273 TraceCheckUtils]: 28: Hoare triple {9069#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9070#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,225 INFO L273 TraceCheckUtils]: 29: Hoare triple {9070#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9071#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,226 INFO L273 TraceCheckUtils]: 30: Hoare triple {9071#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9072#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,227 INFO L273 TraceCheckUtils]: 31: Hoare triple {9072#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9073#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,228 INFO L273 TraceCheckUtils]: 32: Hoare triple {9073#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9074#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,229 INFO L273 TraceCheckUtils]: 33: Hoare triple {9074#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9075#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,230 INFO L273 TraceCheckUtils]: 34: Hoare triple {9075#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9076#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,231 INFO L273 TraceCheckUtils]: 35: Hoare triple {9076#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9077#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,232 INFO L273 TraceCheckUtils]: 36: Hoare triple {9077#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9078#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:14,233 INFO L273 TraceCheckUtils]: 37: Hoare triple {9078#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9079#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:14:14,235 INFO L273 TraceCheckUtils]: 38: Hoare triple {9079#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {9041#false} is VALID [2018-12-17 14:14:14,235 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2018-12-17 14:14:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:14,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:14,238 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:14:14,238 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:14:14,238 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:14:14,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:14,239 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:14:14,253 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:14:14,253 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:14:14,281 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:14:14,282 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:14:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:14,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:14:15,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:14:15,336 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:15,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:15,345 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:14:15,348 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:14:15,348 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_258]. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_258 17 (select ULTIMATE.start_main_~str1~6 0))) (<= 18 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:14:15,348 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= (select ULTIMATE.start_main_~str2~6 17) (select ULTIMATE.start_main_~str1~6 0)) (<= 18 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:14:15,419 INFO L273 TraceCheckUtils]: 0: Hoare triple {9040#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {9040#true} is VALID [2018-12-17 14:14:15,419 INFO L273 TraceCheckUtils]: 1: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,420 INFO L273 TraceCheckUtils]: 2: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,420 INFO L273 TraceCheckUtils]: 3: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,420 INFO L273 TraceCheckUtils]: 4: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,420 INFO L273 TraceCheckUtils]: 5: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,420 INFO L273 TraceCheckUtils]: 6: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,421 INFO L273 TraceCheckUtils]: 7: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,421 INFO L273 TraceCheckUtils]: 8: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,421 INFO L273 TraceCheckUtils]: 9: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,421 INFO L273 TraceCheckUtils]: 10: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,421 INFO L273 TraceCheckUtils]: 11: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,421 INFO L273 TraceCheckUtils]: 12: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,422 INFO L273 TraceCheckUtils]: 13: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,422 INFO L273 TraceCheckUtils]: 14: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,422 INFO L273 TraceCheckUtils]: 15: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,422 INFO L273 TraceCheckUtils]: 16: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,422 INFO L273 TraceCheckUtils]: 17: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,422 INFO L273 TraceCheckUtils]: 18: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:15,423 INFO L273 TraceCheckUtils]: 19: Hoare triple {9040#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {9140#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:15,423 INFO L273 TraceCheckUtils]: 20: Hoare triple {9140#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9144#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:14:15,424 INFO L273 TraceCheckUtils]: 21: Hoare triple {9144#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9148#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:14:15,425 INFO L273 TraceCheckUtils]: 22: Hoare triple {9148#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9152#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:14:15,425 INFO L273 TraceCheckUtils]: 23: Hoare triple {9152#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9156#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:14:15,426 INFO L273 TraceCheckUtils]: 24: Hoare triple {9156#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9160#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:15,427 INFO L273 TraceCheckUtils]: 25: Hoare triple {9160#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9164#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:14:15,428 INFO L273 TraceCheckUtils]: 26: Hoare triple {9164#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9168#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:14:15,429 INFO L273 TraceCheckUtils]: 27: Hoare triple {9168#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9172#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:14:15,430 INFO L273 TraceCheckUtils]: 28: Hoare triple {9172#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9176#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:14:15,431 INFO L273 TraceCheckUtils]: 29: Hoare triple {9176#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9180#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:14:15,432 INFO L273 TraceCheckUtils]: 30: Hoare triple {9180#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:14:15,433 INFO L273 TraceCheckUtils]: 31: Hoare triple {9184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9188#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:14:15,434 INFO L273 TraceCheckUtils]: 32: Hoare triple {9188#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9192#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:14:15,435 INFO L273 TraceCheckUtils]: 33: Hoare triple {9192#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9196#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:14:15,436 INFO L273 TraceCheckUtils]: 34: Hoare triple {9196#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9200#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:14:15,437 INFO L273 TraceCheckUtils]: 35: Hoare triple {9200#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:14:15,438 INFO L273 TraceCheckUtils]: 36: Hoare triple {9204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9208#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:14:15,440 INFO L273 TraceCheckUtils]: 37: Hoare triple {9208#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9212#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= (select ULTIMATE.start_main_~str2~6 17) (select ULTIMATE.start_main_~str1~6 0)) (<= 18 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:15,441 INFO L273 TraceCheckUtils]: 38: Hoare triple {9212#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)) (= (select ULTIMATE.start_main_~str2~6 17) (select ULTIMATE.start_main_~str1~6 0)) (<= 18 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {9041#false} is VALID [2018-12-17 14:14:15,441 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2018-12-17 14:14:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-17 14:14:15,444 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:14:15,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:14:15,553 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:15,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:15,568 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:14:16,996 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2018-12-17 14:14:16,997 INFO L273 TraceCheckUtils]: 38: Hoare triple {9222#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {9041#false} is VALID [2018-12-17 14:14:16,999 INFO L273 TraceCheckUtils]: 37: Hoare triple {9226#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9222#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,000 INFO L273 TraceCheckUtils]: 36: Hoare triple {9230#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9226#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:17,001 INFO L273 TraceCheckUtils]: 35: Hoare triple {9234#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9230#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:14:17,002 INFO L273 TraceCheckUtils]: 34: Hoare triple {9238#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9234#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,003 INFO L273 TraceCheckUtils]: 33: Hoare triple {9242#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9238#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,005 INFO L273 TraceCheckUtils]: 32: Hoare triple {9246#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9242#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:14:17,006 INFO L273 TraceCheckUtils]: 31: Hoare triple {9250#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9246#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:17,007 INFO L273 TraceCheckUtils]: 30: Hoare triple {9254#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9250#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,008 INFO L273 TraceCheckUtils]: 29: Hoare triple {9258#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9254#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,009 INFO L273 TraceCheckUtils]: 28: Hoare triple {9262#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9258#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:14:17,010 INFO L273 TraceCheckUtils]: 27: Hoare triple {9266#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9262#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,011 INFO L273 TraceCheckUtils]: 26: Hoare triple {9270#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9266#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:14:17,013 INFO L273 TraceCheckUtils]: 25: Hoare triple {9274#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9270#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,014 INFO L273 TraceCheckUtils]: 24: Hoare triple {9278#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9274#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:14:17,015 INFO L273 TraceCheckUtils]: 23: Hoare triple {9282#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9278#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:17,016 INFO L273 TraceCheckUtils]: 22: Hoare triple {9286#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9282#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:14:17,017 INFO L273 TraceCheckUtils]: 21: Hoare triple {9290#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9286#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:14:17,018 INFO L273 TraceCheckUtils]: 20: Hoare triple {9294#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9290#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:14:17,020 INFO L273 TraceCheckUtils]: 19: Hoare triple {9040#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {9294#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:14:17,020 INFO L273 TraceCheckUtils]: 18: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,020 INFO L273 TraceCheckUtils]: 17: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,020 INFO L273 TraceCheckUtils]: 16: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,020 INFO L273 TraceCheckUtils]: 15: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,021 INFO L273 TraceCheckUtils]: 14: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,021 INFO L273 TraceCheckUtils]: 13: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,021 INFO L273 TraceCheckUtils]: 12: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,021 INFO L273 TraceCheckUtils]: 11: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,021 INFO L273 TraceCheckUtils]: 10: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,021 INFO L273 TraceCheckUtils]: 9: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 8: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 7: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 6: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 5: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 4: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 3: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 2: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 1: Hoare triple {9040#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9040#true} is VALID [2018-12-17 14:14:17,022 INFO L273 TraceCheckUtils]: 0: Hoare triple {9040#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {9040#true} is VALID [2018-12-17 14:14:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-17 14:14:17,044 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:14:17,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 21, 21] total 78 [2018-12-17 14:14:17,045 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:14:17,045 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2018-12-17 14:14:17,045 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:14:17,045 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states. [2018-12-17 14:14:17,108 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:17,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-12-17 14:14:17,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-12-17 14:14:17,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=838, Invalid=5168, Unknown=0, NotChecked=0, Total=6006 [2018-12-17 14:14:17,109 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 59 states. [2018-12-17 14:14:26,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:26,130 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2018-12-17 14:14:26,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-12-17 14:14:26,130 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2018-12-17 14:14:26,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:14:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-17 14:14:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2018-12-17 14:14:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-17 14:14:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2018-12-17 14:14:26,132 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states and 69 transitions. [2018-12-17 14:14:26,214 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:26,215 INFO L225 Difference]: With dead ends: 65 [2018-12-17 14:14:26,215 INFO L226 Difference]: Without dead ends: 43 [2018-12-17 14:14:26,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1393, Invalid=8707, Unknown=0, NotChecked=0, Total=10100 [2018-12-17 14:14:26,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-17 14:14:27,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-17 14:14:27,014 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:14:27,014 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2018-12-17 14:14:27,014 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2018-12-17 14:14:27,014 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2018-12-17 14:14:27,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:27,016 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-12-17 14:14:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-12-17 14:14:27,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:27,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:27,017 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2018-12-17 14:14:27,017 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2018-12-17 14:14:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:27,018 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-12-17 14:14:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-12-17 14:14:27,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:27,019 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:27,019 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:14:27,019 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:14:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-17 14:14:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-12-17 14:14:27,020 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 40 [2018-12-17 14:14:27,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:14:27,020 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-12-17 14:14:27,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-12-17 14:14:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-12-17 14:14:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-17 14:14:27,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:14:27,022 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 1, 1, 1, 1] [2018-12-17 14:14:27,022 INFO L423 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:14:27,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:14:27,023 INFO L82 PathProgramCache]: Analyzing trace with hash -684650731, now seen corresponding path program 28 times [2018-12-17 14:14:27,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:14:27,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:27,025 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:14:27,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:27,025 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:14:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:28,463 INFO L273 TraceCheckUtils]: 0: Hoare triple {9697#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,464 INFO L273 TraceCheckUtils]: 1: Hoare triple {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,465 INFO L273 TraceCheckUtils]: 2: Hoare triple {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,466 INFO L273 TraceCheckUtils]: 3: Hoare triple {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:14:28,467 INFO L273 TraceCheckUtils]: 4: Hoare triple {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,468 INFO L273 TraceCheckUtils]: 5: Hoare triple {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:14:28,469 INFO L273 TraceCheckUtils]: 6: Hoare triple {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,470 INFO L273 TraceCheckUtils]: 7: Hoare triple {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:14:28,471 INFO L273 TraceCheckUtils]: 8: Hoare triple {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,472 INFO L273 TraceCheckUtils]: 9: Hoare triple {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,473 INFO L273 TraceCheckUtils]: 10: Hoare triple {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,474 INFO L273 TraceCheckUtils]: 11: Hoare triple {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:14:28,475 INFO L273 TraceCheckUtils]: 12: Hoare triple {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,476 INFO L273 TraceCheckUtils]: 13: Hoare triple {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,477 INFO L273 TraceCheckUtils]: 14: Hoare triple {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,478 INFO L273 TraceCheckUtils]: 15: Hoare triple {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:14:28,479 INFO L273 TraceCheckUtils]: 16: Hoare triple {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:14:28,480 INFO L273 TraceCheckUtils]: 17: Hoare triple {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:28,481 INFO L273 TraceCheckUtils]: 18: Hoare triple {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9717#(or (and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2018-12-17 14:14:28,482 INFO L273 TraceCheckUtils]: 19: Hoare triple {9717#(or (and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:28,483 INFO L273 TraceCheckUtils]: 20: Hoare triple {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {9719#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,484 INFO L273 TraceCheckUtils]: 21: Hoare triple {9719#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9720#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,485 INFO L273 TraceCheckUtils]: 22: Hoare triple {9720#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9721#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,487 INFO L273 TraceCheckUtils]: 23: Hoare triple {9721#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9722#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,488 INFO L273 TraceCheckUtils]: 24: Hoare triple {9722#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9723#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,489 INFO L273 TraceCheckUtils]: 25: Hoare triple {9723#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9724#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,490 INFO L273 TraceCheckUtils]: 26: Hoare triple {9724#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9725#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,491 INFO L273 TraceCheckUtils]: 27: Hoare triple {9725#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9726#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,492 INFO L273 TraceCheckUtils]: 28: Hoare triple {9726#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9727#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,493 INFO L273 TraceCheckUtils]: 29: Hoare triple {9727#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9728#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,494 INFO L273 TraceCheckUtils]: 30: Hoare triple {9728#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9729#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,495 INFO L273 TraceCheckUtils]: 31: Hoare triple {9729#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9730#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,496 INFO L273 TraceCheckUtils]: 32: Hoare triple {9730#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9731#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,497 INFO L273 TraceCheckUtils]: 33: Hoare triple {9731#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9732#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,498 INFO L273 TraceCheckUtils]: 34: Hoare triple {9732#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9733#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,499 INFO L273 TraceCheckUtils]: 35: Hoare triple {9733#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9734#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,500 INFO L273 TraceCheckUtils]: 36: Hoare triple {9734#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9735#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,501 INFO L273 TraceCheckUtils]: 37: Hoare triple {9735#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9736#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,502 INFO L273 TraceCheckUtils]: 38: Hoare triple {9736#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9737#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:28,503 INFO L273 TraceCheckUtils]: 39: Hoare triple {9737#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9738#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:14:28,504 INFO L273 TraceCheckUtils]: 40: Hoare triple {9738#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {9698#false} is VALID [2018-12-17 14:14:28,504 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2018-12-17 14:14:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:28,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:28,508 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:14:28,508 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:14:28,509 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:14:28,509 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:28,509 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:14:28,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:14:28,518 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:14:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:28,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:14:29,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:14:29,832 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:29,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:29,838 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:14:29,841 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:14:29,841 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_277]. (and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_277 18 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:14:29,842 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 19) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 18)) (<= 19 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:14:29,921 INFO L273 TraceCheckUtils]: 0: Hoare triple {9697#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,922 INFO L273 TraceCheckUtils]: 1: Hoare triple {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,924 INFO L273 TraceCheckUtils]: 2: Hoare triple {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,926 INFO L273 TraceCheckUtils]: 3: Hoare triple {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:14:29,928 INFO L273 TraceCheckUtils]: 4: Hoare triple {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,929 INFO L273 TraceCheckUtils]: 5: Hoare triple {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:14:29,931 INFO L273 TraceCheckUtils]: 6: Hoare triple {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,933 INFO L273 TraceCheckUtils]: 7: Hoare triple {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:14:29,935 INFO L273 TraceCheckUtils]: 8: Hoare triple {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,938 INFO L273 TraceCheckUtils]: 9: Hoare triple {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,940 INFO L273 TraceCheckUtils]: 10: Hoare triple {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,941 INFO L273 TraceCheckUtils]: 11: Hoare triple {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:14:29,942 INFO L273 TraceCheckUtils]: 12: Hoare triple {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,943 INFO L273 TraceCheckUtils]: 13: Hoare triple {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,945 INFO L273 TraceCheckUtils]: 14: Hoare triple {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,947 INFO L273 TraceCheckUtils]: 15: Hoare triple {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:14:29,949 INFO L273 TraceCheckUtils]: 16: Hoare triple {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:14:29,950 INFO L273 TraceCheckUtils]: 17: Hoare triple {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,952 INFO L273 TraceCheckUtils]: 18: Hoare triple {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:29,954 INFO L273 TraceCheckUtils]: 19: Hoare triple {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9800#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,956 INFO L273 TraceCheckUtils]: 20: Hoare triple {9800#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {9804#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0))} is VALID [2018-12-17 14:14:29,957 INFO L273 TraceCheckUtils]: 21: Hoare triple {9804#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9808#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} is VALID [2018-12-17 14:14:29,959 INFO L273 TraceCheckUtils]: 22: Hoare triple {9808#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9812#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:14:29,960 INFO L273 TraceCheckUtils]: 23: Hoare triple {9812#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9816#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:14:29,961 INFO L273 TraceCheckUtils]: 24: Hoare triple {9816#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9820#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} is VALID [2018-12-17 14:14:29,963 INFO L273 TraceCheckUtils]: 25: Hoare triple {9820#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9824#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 5) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,964 INFO L273 TraceCheckUtils]: 26: Hoare triple {9824#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 5) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9828#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:14:29,966 INFO L273 TraceCheckUtils]: 27: Hoare triple {9828#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9832#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 7) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,967 INFO L273 TraceCheckUtils]: 28: Hoare triple {9832#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 7) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9836#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:14:29,968 INFO L273 TraceCheckUtils]: 29: Hoare triple {9836#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9840#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 9) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,970 INFO L273 TraceCheckUtils]: 30: Hoare triple {9840#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 9) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9844#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 10) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,972 INFO L273 TraceCheckUtils]: 31: Hoare triple {9844#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 10) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9848#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:14:29,973 INFO L273 TraceCheckUtils]: 32: Hoare triple {9848#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9852#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 12) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,975 INFO L273 TraceCheckUtils]: 33: Hoare triple {9852#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 12) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9856#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13))} is VALID [2018-12-17 14:14:29,976 INFO L273 TraceCheckUtils]: 34: Hoare triple {9856#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9860#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14))} is VALID [2018-12-17 14:14:29,978 INFO L273 TraceCheckUtils]: 35: Hoare triple {9860#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9864#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:14:29,979 INFO L273 TraceCheckUtils]: 36: Hoare triple {9864#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9868#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:14:29,981 INFO L273 TraceCheckUtils]: 37: Hoare triple {9868#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9872#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17))} is VALID [2018-12-17 14:14:29,982 INFO L273 TraceCheckUtils]: 38: Hoare triple {9872#(and (<= ULTIMATE.start_main_~MAX~6 19) (<= 19 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9876#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 18) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,984 INFO L273 TraceCheckUtils]: 39: Hoare triple {9876#(and (<= ULTIMATE.start_main_~MAX~6 19) (= ULTIMATE.start_main_~j~6 18) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9880#(and (<= ULTIMATE.start_main_~MAX~6 19) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 18)) (<= 19 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:29,985 INFO L273 TraceCheckUtils]: 40: Hoare triple {9880#(and (<= ULTIMATE.start_main_~MAX~6 19) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 18)) (<= 19 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {9698#false} is VALID [2018-12-17 14:14:29,986 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2018-12-17 14:14:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:29,991 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:14:30,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:14:30,053 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:30,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:30,056 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:14:30,059 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:14:30,059 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:14:30,059 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:14:30,521 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2018-12-17 14:14:30,522 INFO L273 TraceCheckUtils]: 40: Hoare triple {9738#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {9698#false} is VALID [2018-12-17 14:14:30,523 INFO L273 TraceCheckUtils]: 39: Hoare triple {9737#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9738#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:14:30,524 INFO L273 TraceCheckUtils]: 38: Hoare triple {9736#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9737#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,525 INFO L273 TraceCheckUtils]: 37: Hoare triple {9735#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9736#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,526 INFO L273 TraceCheckUtils]: 36: Hoare triple {9734#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9735#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,527 INFO L273 TraceCheckUtils]: 35: Hoare triple {9733#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9734#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,528 INFO L273 TraceCheckUtils]: 34: Hoare triple {9732#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9733#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,529 INFO L273 TraceCheckUtils]: 33: Hoare triple {9731#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9732#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,530 INFO L273 TraceCheckUtils]: 32: Hoare triple {9730#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9731#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,531 INFO L273 TraceCheckUtils]: 31: Hoare triple {9729#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9730#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,533 INFO L273 TraceCheckUtils]: 30: Hoare triple {9728#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9729#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,534 INFO L273 TraceCheckUtils]: 29: Hoare triple {9727#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9728#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,535 INFO L273 TraceCheckUtils]: 28: Hoare triple {9726#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9727#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,556 INFO L273 TraceCheckUtils]: 27: Hoare triple {9725#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9726#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,562 INFO L273 TraceCheckUtils]: 26: Hoare triple {9724#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9725#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,562 INFO L273 TraceCheckUtils]: 25: Hoare triple {9723#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9724#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,563 INFO L273 TraceCheckUtils]: 24: Hoare triple {9722#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9723#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,564 INFO L273 TraceCheckUtils]: 23: Hoare triple {9721#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9722#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,564 INFO L273 TraceCheckUtils]: 22: Hoare triple {9720#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9721#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,565 INFO L273 TraceCheckUtils]: 21: Hoare triple {9719#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {9720#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,566 INFO L273 TraceCheckUtils]: 20: Hoare triple {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {9719#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:30,567 INFO L273 TraceCheckUtils]: 19: Hoare triple {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9718#(or (= 19 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:30,568 INFO L273 TraceCheckUtils]: 18: Hoare triple {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9796#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,569 INFO L273 TraceCheckUtils]: 17: Hoare triple {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9716#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,570 INFO L273 TraceCheckUtils]: 16: Hoare triple {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9715#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:14:30,578 INFO L273 TraceCheckUtils]: 15: Hoare triple {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9714#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:14:30,579 INFO L273 TraceCheckUtils]: 14: Hoare triple {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9713#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,579 INFO L273 TraceCheckUtils]: 13: Hoare triple {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9712#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,580 INFO L273 TraceCheckUtils]: 12: Hoare triple {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9711#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,581 INFO L273 TraceCheckUtils]: 11: Hoare triple {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9710#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:14:30,582 INFO L273 TraceCheckUtils]: 10: Hoare triple {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9709#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,583 INFO L273 TraceCheckUtils]: 9: Hoare triple {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9708#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,584 INFO L273 TraceCheckUtils]: 8: Hoare triple {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9707#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,585 INFO L273 TraceCheckUtils]: 7: Hoare triple {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9706#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:14:30,586 INFO L273 TraceCheckUtils]: 6: Hoare triple {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9705#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,587 INFO L273 TraceCheckUtils]: 5: Hoare triple {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9704#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:14:30,588 INFO L273 TraceCheckUtils]: 4: Hoare triple {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9703#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,589 INFO L273 TraceCheckUtils]: 3: Hoare triple {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9702#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:14:30,590 INFO L273 TraceCheckUtils]: 2: Hoare triple {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9701#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,591 INFO L273 TraceCheckUtils]: 1: Hoare triple {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {9700#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,591 INFO L273 TraceCheckUtils]: 0: Hoare triple {9697#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {9699#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:30,614 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:14:30,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 63 [2018-12-17 14:14:30,615 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:14:30,615 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2018-12-17 14:14:30,615 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:14:30,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 64 states. [2018-12-17 14:14:30,679 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:30,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-12-17 14:14:30,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-12-17 14:14:30,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3845, Unknown=0, NotChecked=0, Total=4032 [2018-12-17 14:14:30,680 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 64 states. [2018-12-17 14:14:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:39,399 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-12-17 14:14:39,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-17 14:14:39,399 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2018-12-17 14:14:39,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:14:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-17 14:14:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2018-12-17 14:14:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-17 14:14:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2018-12-17 14:14:39,401 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 45 states and 50 transitions. [2018-12-17 14:14:39,519 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:39,519 INFO L225 Difference]: With dead ends: 66 [2018-12-17 14:14:39,520 INFO L226 Difference]: Without dead ends: 44 [2018-12-17 14:14:39,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 47 SyntacticMatches, 14 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=396, Invalid=6914, Unknown=0, NotChecked=0, Total=7310 [2018-12-17 14:14:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-17 14:14:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-17 14:14:40,253 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:14:40,253 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 44 states. [2018-12-17 14:14:40,253 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2018-12-17 14:14:40,253 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2018-12-17 14:14:40,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:40,254 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-12-17 14:14:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-12-17 14:14:40,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:40,255 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:40,255 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2018-12-17 14:14:40,255 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2018-12-17 14:14:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:40,256 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-12-17 14:14:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-12-17 14:14:40,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:40,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:40,257 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:14:40,257 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:14:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-17 14:14:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2018-12-17 14:14:40,257 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 42 [2018-12-17 14:14:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:14:40,258 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2018-12-17 14:14:40,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-12-17 14:14:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-12-17 14:14:40,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-17 14:14:40,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:14:40,258 INFO L402 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1, 1] [2018-12-17 14:14:40,259 INFO L423 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:14:40,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:14:40,259 INFO L82 PathProgramCache]: Analyzing trace with hash -392135284, now seen corresponding path program 29 times [2018-12-17 14:14:40,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:14:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:40,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:14:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:40,260 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:14:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:40,668 INFO L273 TraceCheckUtils]: 0: Hoare triple {10356#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,669 INFO L273 TraceCheckUtils]: 1: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,670 INFO L273 TraceCheckUtils]: 2: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,671 INFO L273 TraceCheckUtils]: 3: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,672 INFO L273 TraceCheckUtils]: 4: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,673 INFO L273 TraceCheckUtils]: 5: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,674 INFO L273 TraceCheckUtils]: 6: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,675 INFO L273 TraceCheckUtils]: 7: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,675 INFO L273 TraceCheckUtils]: 8: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,676 INFO L273 TraceCheckUtils]: 9: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,677 INFO L273 TraceCheckUtils]: 10: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,678 INFO L273 TraceCheckUtils]: 11: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,679 INFO L273 TraceCheckUtils]: 12: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,680 INFO L273 TraceCheckUtils]: 13: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,681 INFO L273 TraceCheckUtils]: 14: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,682 INFO L273 TraceCheckUtils]: 15: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,683 INFO L273 TraceCheckUtils]: 16: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,684 INFO L273 TraceCheckUtils]: 17: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,685 INFO L273 TraceCheckUtils]: 18: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,686 INFO L273 TraceCheckUtils]: 19: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,686 INFO L273 TraceCheckUtils]: 20: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:40,687 INFO L273 TraceCheckUtils]: 21: Hoare triple {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,688 INFO L273 TraceCheckUtils]: 22: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,689 INFO L273 TraceCheckUtils]: 23: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,690 INFO L273 TraceCheckUtils]: 24: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,691 INFO L273 TraceCheckUtils]: 25: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,692 INFO L273 TraceCheckUtils]: 26: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,693 INFO L273 TraceCheckUtils]: 27: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,694 INFO L273 TraceCheckUtils]: 28: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,695 INFO L273 TraceCheckUtils]: 29: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,696 INFO L273 TraceCheckUtils]: 30: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,697 INFO L273 TraceCheckUtils]: 31: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,698 INFO L273 TraceCheckUtils]: 32: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,698 INFO L273 TraceCheckUtils]: 33: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,699 INFO L273 TraceCheckUtils]: 34: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,700 INFO L273 TraceCheckUtils]: 35: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,701 INFO L273 TraceCheckUtils]: 36: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,702 INFO L273 TraceCheckUtils]: 37: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,703 INFO L273 TraceCheckUtils]: 38: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,704 INFO L273 TraceCheckUtils]: 39: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,705 INFO L273 TraceCheckUtils]: 40: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:40,705 INFO L273 TraceCheckUtils]: 41: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {10357#false} is VALID [2018-12-17 14:14:40,706 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2018-12-17 14:14:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:40,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:40,709 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:14:40,709 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:14:40,709 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:14:40,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:40,709 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:14:40,718 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:14:40,719 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:14:40,788 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-12-17 14:14:40,788 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:14:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:40,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:14:41,036 INFO L273 TraceCheckUtils]: 0: Hoare triple {10356#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,037 INFO L273 TraceCheckUtils]: 1: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,038 INFO L273 TraceCheckUtils]: 2: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,039 INFO L273 TraceCheckUtils]: 3: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,040 INFO L273 TraceCheckUtils]: 4: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,040 INFO L273 TraceCheckUtils]: 5: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,041 INFO L273 TraceCheckUtils]: 6: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,042 INFO L273 TraceCheckUtils]: 7: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,043 INFO L273 TraceCheckUtils]: 8: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,044 INFO L273 TraceCheckUtils]: 9: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,045 INFO L273 TraceCheckUtils]: 10: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,046 INFO L273 TraceCheckUtils]: 11: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,047 INFO L273 TraceCheckUtils]: 12: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,048 INFO L273 TraceCheckUtils]: 13: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,049 INFO L273 TraceCheckUtils]: 14: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,050 INFO L273 TraceCheckUtils]: 15: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,051 INFO L273 TraceCheckUtils]: 16: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,052 INFO L273 TraceCheckUtils]: 17: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,052 INFO L273 TraceCheckUtils]: 18: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,053 INFO L273 TraceCheckUtils]: 19: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,054 INFO L273 TraceCheckUtils]: 20: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:41,055 INFO L273 TraceCheckUtils]: 21: Hoare triple {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,056 INFO L273 TraceCheckUtils]: 22: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,057 INFO L273 TraceCheckUtils]: 23: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,058 INFO L273 TraceCheckUtils]: 24: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,059 INFO L273 TraceCheckUtils]: 25: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,060 INFO L273 TraceCheckUtils]: 26: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,061 INFO L273 TraceCheckUtils]: 27: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,062 INFO L273 TraceCheckUtils]: 28: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,063 INFO L273 TraceCheckUtils]: 29: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,063 INFO L273 TraceCheckUtils]: 30: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,064 INFO L273 TraceCheckUtils]: 31: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,065 INFO L273 TraceCheckUtils]: 32: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,066 INFO L273 TraceCheckUtils]: 33: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,067 INFO L273 TraceCheckUtils]: 34: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,068 INFO L273 TraceCheckUtils]: 35: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,069 INFO L273 TraceCheckUtils]: 36: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,070 INFO L273 TraceCheckUtils]: 37: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,071 INFO L273 TraceCheckUtils]: 38: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,072 INFO L273 TraceCheckUtils]: 39: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,073 INFO L273 TraceCheckUtils]: 40: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,073 INFO L273 TraceCheckUtils]: 41: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {10357#false} is VALID [2018-12-17 14:14:41,073 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2018-12-17 14:14:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:41,076 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:14:41,683 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2018-12-17 14:14:41,684 INFO L273 TraceCheckUtils]: 41: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {10357#false} is VALID [2018-12-17 14:14:41,685 INFO L273 TraceCheckUtils]: 40: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,685 INFO L273 TraceCheckUtils]: 39: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,686 INFO L273 TraceCheckUtils]: 38: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,686 INFO L273 TraceCheckUtils]: 37: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,687 INFO L273 TraceCheckUtils]: 36: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,688 INFO L273 TraceCheckUtils]: 35: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,689 INFO L273 TraceCheckUtils]: 34: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,690 INFO L273 TraceCheckUtils]: 33: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,691 INFO L273 TraceCheckUtils]: 32: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,692 INFO L273 TraceCheckUtils]: 31: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,692 INFO L273 TraceCheckUtils]: 30: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,693 INFO L273 TraceCheckUtils]: 29: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,694 INFO L273 TraceCheckUtils]: 28: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,695 INFO L273 TraceCheckUtils]: 27: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,696 INFO L273 TraceCheckUtils]: 26: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,697 INFO L273 TraceCheckUtils]: 25: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,698 INFO L273 TraceCheckUtils]: 24: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,699 INFO L273 TraceCheckUtils]: 23: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,700 INFO L273 TraceCheckUtils]: 22: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,701 INFO L273 TraceCheckUtils]: 21: Hoare triple {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,702 INFO L273 TraceCheckUtils]: 20: Hoare triple {10377#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10378#(<= 20 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:41,703 INFO L273 TraceCheckUtils]: 19: Hoare triple {10376#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10377#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,704 INFO L273 TraceCheckUtils]: 18: Hoare triple {10375#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10376#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,704 INFO L273 TraceCheckUtils]: 17: Hoare triple {10374#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10375#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,705 INFO L273 TraceCheckUtils]: 16: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,706 INFO L273 TraceCheckUtils]: 15: Hoare triple {10372#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10373#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,707 INFO L273 TraceCheckUtils]: 14: Hoare triple {10371#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10372#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,708 INFO L273 TraceCheckUtils]: 13: Hoare triple {10370#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10371#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,709 INFO L273 TraceCheckUtils]: 12: Hoare triple {10369#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10370#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,710 INFO L273 TraceCheckUtils]: 11: Hoare triple {10368#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10369#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,711 INFO L273 TraceCheckUtils]: 10: Hoare triple {10367#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10368#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,712 INFO L273 TraceCheckUtils]: 9: Hoare triple {10366#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10367#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,713 INFO L273 TraceCheckUtils]: 8: Hoare triple {10365#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10366#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,714 INFO L273 TraceCheckUtils]: 7: Hoare triple {10364#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10365#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,714 INFO L273 TraceCheckUtils]: 6: Hoare triple {10363#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10364#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,715 INFO L273 TraceCheckUtils]: 5: Hoare triple {10362#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10363#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,716 INFO L273 TraceCheckUtils]: 4: Hoare triple {10361#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10362#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,717 INFO L273 TraceCheckUtils]: 3: Hoare triple {10360#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10361#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,718 INFO L273 TraceCheckUtils]: 2: Hoare triple {10359#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10360#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,719 INFO L273 TraceCheckUtils]: 1: Hoare triple {10358#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10359#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,720 INFO L273 TraceCheckUtils]: 0: Hoare triple {10356#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10358#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:14:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:41,743 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:14:41,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 22 [2018-12-17 14:14:41,743 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:14:41,744 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2018-12-17 14:14:41,744 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:14:41,744 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2018-12-17 14:14:41,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:41,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-17 14:14:41,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-17 14:14:41,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2018-12-17 14:14:41,795 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 23 states. [2018-12-17 14:14:43,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:43,080 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-12-17 14:14:43,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-17 14:14:43,080 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2018-12-17 14:14:43,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:14:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-17 14:14:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-12-17 14:14:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-12-17 14:14:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-12-17 14:14:43,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 43 states and 48 transitions. [2018-12-17 14:14:43,125 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:43,126 INFO L225 Difference]: With dead ends: 47 [2018-12-17 14:14:43,126 INFO L226 Difference]: Without dead ends: 45 [2018-12-17 14:14:43,127 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 65 SyntacticMatches, 40 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=693, Invalid=1113, Unknown=0, NotChecked=0, Total=1806 [2018-12-17 14:14:43,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-17 14:14:43,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-17 14:14:43,984 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:14:43,984 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2018-12-17 14:14:43,984 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2018-12-17 14:14:43,984 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2018-12-17 14:14:43,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:43,985 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-12-17 14:14:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-12-17 14:14:43,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:43,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:43,985 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2018-12-17 14:14:43,985 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2018-12-17 14:14:43,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:43,986 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-12-17 14:14:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-12-17 14:14:43,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:43,986 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:43,986 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:14:43,986 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:14:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-17 14:14:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-12-17 14:14:43,987 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 43 [2018-12-17 14:14:43,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:14:43,987 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-12-17 14:14:43,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-17 14:14:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-12-17 14:14:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-17 14:14:43,987 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:14:43,988 INFO L402 BasicCegarLoop]: trace histogram [20, 20, 1, 1, 1, 1] [2018-12-17 14:14:43,988 INFO L423 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:14:43,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:14:43,988 INFO L82 PathProgramCache]: Analyzing trace with hash 728709898, now seen corresponding path program 30 times [2018-12-17 14:14:43,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:14:43,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:43,989 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:14:43,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:43,989 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:14:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:45,291 INFO L273 TraceCheckUtils]: 0: Hoare triple {10942#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10944#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,292 INFO L273 TraceCheckUtils]: 1: Hoare triple {10944#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10945#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,293 INFO L273 TraceCheckUtils]: 2: Hoare triple {10945#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10946#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,294 INFO L273 TraceCheckUtils]: 3: Hoare triple {10946#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10947#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:14:45,295 INFO L273 TraceCheckUtils]: 4: Hoare triple {10947#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10948#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,296 INFO L273 TraceCheckUtils]: 5: Hoare triple {10948#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10949#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:14:45,297 INFO L273 TraceCheckUtils]: 6: Hoare triple {10949#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10950#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,298 INFO L273 TraceCheckUtils]: 7: Hoare triple {10950#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10951#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:14:45,299 INFO L273 TraceCheckUtils]: 8: Hoare triple {10951#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10952#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,300 INFO L273 TraceCheckUtils]: 9: Hoare triple {10952#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10953#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,301 INFO L273 TraceCheckUtils]: 10: Hoare triple {10953#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10954#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,302 INFO L273 TraceCheckUtils]: 11: Hoare triple {10954#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10955#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:14:45,303 INFO L273 TraceCheckUtils]: 12: Hoare triple {10955#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10956#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,304 INFO L273 TraceCheckUtils]: 13: Hoare triple {10956#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10957#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,305 INFO L273 TraceCheckUtils]: 14: Hoare triple {10957#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10958#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,306 INFO L273 TraceCheckUtils]: 15: Hoare triple {10958#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10959#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:14:45,307 INFO L273 TraceCheckUtils]: 16: Hoare triple {10959#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10960#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:14:45,308 INFO L273 TraceCheckUtils]: 17: Hoare triple {10960#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10961#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,309 INFO L273 TraceCheckUtils]: 18: Hoare triple {10961#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10962#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:45,310 INFO L273 TraceCheckUtils]: 19: Hoare triple {10962#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10963#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:14:45,311 INFO L273 TraceCheckUtils]: 20: Hoare triple {10963#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10964#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 20 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:45,312 INFO L273 TraceCheckUtils]: 21: Hoare triple {10964#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 20 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {10965#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,313 INFO L273 TraceCheckUtils]: 22: Hoare triple {10965#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10966#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,314 INFO L273 TraceCheckUtils]: 23: Hoare triple {10966#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10967#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,315 INFO L273 TraceCheckUtils]: 24: Hoare triple {10967#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10968#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,316 INFO L273 TraceCheckUtils]: 25: Hoare triple {10968#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10969#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,317 INFO L273 TraceCheckUtils]: 26: Hoare triple {10969#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10970#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,318 INFO L273 TraceCheckUtils]: 27: Hoare triple {10970#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10971#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,319 INFO L273 TraceCheckUtils]: 28: Hoare triple {10971#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10972#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,320 INFO L273 TraceCheckUtils]: 29: Hoare triple {10972#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10973#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,321 INFO L273 TraceCheckUtils]: 30: Hoare triple {10973#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10974#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,322 INFO L273 TraceCheckUtils]: 31: Hoare triple {10974#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10975#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,323 INFO L273 TraceCheckUtils]: 32: Hoare triple {10975#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10976#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,324 INFO L273 TraceCheckUtils]: 33: Hoare triple {10976#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10977#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,325 INFO L273 TraceCheckUtils]: 34: Hoare triple {10977#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10978#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,326 INFO L273 TraceCheckUtils]: 35: Hoare triple {10978#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10979#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,327 INFO L273 TraceCheckUtils]: 36: Hoare triple {10979#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10980#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,328 INFO L273 TraceCheckUtils]: 37: Hoare triple {10980#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10981#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,329 INFO L273 TraceCheckUtils]: 38: Hoare triple {10981#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10982#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,330 INFO L273 TraceCheckUtils]: 39: Hoare triple {10982#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10983#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,331 INFO L273 TraceCheckUtils]: 40: Hoare triple {10983#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10984#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:14:45,332 INFO L273 TraceCheckUtils]: 41: Hoare triple {10984#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {10985#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:14:45,334 INFO L273 TraceCheckUtils]: 42: Hoare triple {10985#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {10943#false} is VALID [2018-12-17 14:14:45,334 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2018-12-17 14:14:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:14:45,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:45,338 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:14:45,338 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:14:45,338 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:14:45,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:14:45,338 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:14:45,347 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:14:45,347 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:14:45,376 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:14:45,376 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:14:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:14:45,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:14:46,590 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:14:46,596 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:46,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:46,602 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:14:46,604 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:14:46,605 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_316]. (and (= (store v_ULTIMATE.start_main_~str2~6_316 19 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (<= 20 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:14:46,605 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= (select ULTIMATE.start_main_~str2~6 19) (select ULTIMATE.start_main_~str1~6 0)) (<= 20 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:14:46,678 INFO L273 TraceCheckUtils]: 0: Hoare triple {10942#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10942#true} is VALID [2018-12-17 14:14:46,678 INFO L273 TraceCheckUtils]: 1: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,678 INFO L273 TraceCheckUtils]: 2: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,678 INFO L273 TraceCheckUtils]: 3: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,679 INFO L273 TraceCheckUtils]: 4: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,679 INFO L273 TraceCheckUtils]: 5: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,679 INFO L273 TraceCheckUtils]: 6: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,679 INFO L273 TraceCheckUtils]: 7: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,679 INFO L273 TraceCheckUtils]: 8: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,679 INFO L273 TraceCheckUtils]: 9: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 10: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 11: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 12: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 13: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 14: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 15: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 16: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 17: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,680 INFO L273 TraceCheckUtils]: 18: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,681 INFO L273 TraceCheckUtils]: 19: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,681 INFO L273 TraceCheckUtils]: 20: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:46,681 INFO L273 TraceCheckUtils]: 21: Hoare triple {10942#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {11052#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:46,682 INFO L273 TraceCheckUtils]: 22: Hoare triple {11052#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11056#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:14:46,682 INFO L273 TraceCheckUtils]: 23: Hoare triple {11056#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11060#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:14:46,683 INFO L273 TraceCheckUtils]: 24: Hoare triple {11060#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11064#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:14:46,684 INFO L273 TraceCheckUtils]: 25: Hoare triple {11064#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11068#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:14:46,684 INFO L273 TraceCheckUtils]: 26: Hoare triple {11068#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11072#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:46,685 INFO L273 TraceCheckUtils]: 27: Hoare triple {11072#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11076#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:14:46,686 INFO L273 TraceCheckUtils]: 28: Hoare triple {11076#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11080#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:14:46,687 INFO L273 TraceCheckUtils]: 29: Hoare triple {11080#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11084#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:14:46,688 INFO L273 TraceCheckUtils]: 30: Hoare triple {11084#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11088#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:14:46,690 INFO L273 TraceCheckUtils]: 31: Hoare triple {11088#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11092#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:14:46,691 INFO L273 TraceCheckUtils]: 32: Hoare triple {11092#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11096#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:14:46,692 INFO L273 TraceCheckUtils]: 33: Hoare triple {11096#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11100#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:14:46,693 INFO L273 TraceCheckUtils]: 34: Hoare triple {11100#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11104#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:14:46,694 INFO L273 TraceCheckUtils]: 35: Hoare triple {11104#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11108#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:14:46,695 INFO L273 TraceCheckUtils]: 36: Hoare triple {11108#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11112#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:14:46,696 INFO L273 TraceCheckUtils]: 37: Hoare triple {11112#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11116#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:14:46,697 INFO L273 TraceCheckUtils]: 38: Hoare triple {11116#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11120#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:14:46,698 INFO L273 TraceCheckUtils]: 39: Hoare triple {11120#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11124#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:14:46,699 INFO L273 TraceCheckUtils]: 40: Hoare triple {11124#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11128#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:14:46,700 INFO L273 TraceCheckUtils]: 41: Hoare triple {11128#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11132#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= (select ULTIMATE.start_main_~str2~6 19) (select ULTIMATE.start_main_~str1~6 0)) (<= 20 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:46,702 INFO L273 TraceCheckUtils]: 42: Hoare triple {11132#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= (select ULTIMATE.start_main_~str2~6 19) (select ULTIMATE.start_main_~str1~6 0)) (<= 20 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {10943#false} is VALID [2018-12-17 14:14:46,702 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2018-12-17 14:14:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-12-17 14:14:46,705 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:14:46,812 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:14:46,814 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:14:46,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:14:46,826 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:14:46,829 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:14:46,829 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:14:46,829 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:14:48,368 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2018-12-17 14:14:48,369 INFO L273 TraceCheckUtils]: 42: Hoare triple {11142#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {10943#false} is VALID [2018-12-17 14:14:48,370 INFO L273 TraceCheckUtils]: 41: Hoare triple {11146#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11142#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,371 INFO L273 TraceCheckUtils]: 40: Hoare triple {11150#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11146#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:48,373 INFO L273 TraceCheckUtils]: 39: Hoare triple {11154#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11150#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:14:48,374 INFO L273 TraceCheckUtils]: 38: Hoare triple {11158#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11154#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,375 INFO L273 TraceCheckUtils]: 37: Hoare triple {11162#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11158#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,376 INFO L273 TraceCheckUtils]: 36: Hoare triple {11166#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11162#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:14:48,377 INFO L273 TraceCheckUtils]: 35: Hoare triple {11170#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11166#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:14:48,378 INFO L273 TraceCheckUtils]: 34: Hoare triple {11174#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11170#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,380 INFO L273 TraceCheckUtils]: 33: Hoare triple {11178#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11174#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,381 INFO L273 TraceCheckUtils]: 32: Hoare triple {11182#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11178#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:14:48,382 INFO L273 TraceCheckUtils]: 31: Hoare triple {11186#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11182#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,383 INFO L273 TraceCheckUtils]: 30: Hoare triple {11190#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11186#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:14:48,384 INFO L273 TraceCheckUtils]: 29: Hoare triple {11194#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11190#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,385 INFO L273 TraceCheckUtils]: 28: Hoare triple {11198#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11194#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:14:48,386 INFO L273 TraceCheckUtils]: 27: Hoare triple {11202#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11198#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:14:48,388 INFO L273 TraceCheckUtils]: 26: Hoare triple {11206#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11202#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:14:48,389 INFO L273 TraceCheckUtils]: 25: Hoare triple {11210#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11206#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:14:48,390 INFO L273 TraceCheckUtils]: 24: Hoare triple {11214#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11210#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:14:48,391 INFO L273 TraceCheckUtils]: 23: Hoare triple {11218#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11214#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:14:48,392 INFO L273 TraceCheckUtils]: 22: Hoare triple {11222#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11218#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:14:48,393 INFO L273 TraceCheckUtils]: 21: Hoare triple {10942#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {11222#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:14:48,393 INFO L273 TraceCheckUtils]: 20: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,393 INFO L273 TraceCheckUtils]: 19: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,394 INFO L273 TraceCheckUtils]: 18: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,394 INFO L273 TraceCheckUtils]: 17: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,394 INFO L273 TraceCheckUtils]: 16: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,394 INFO L273 TraceCheckUtils]: 15: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,394 INFO L273 TraceCheckUtils]: 14: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,395 INFO L273 TraceCheckUtils]: 13: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,395 INFO L273 TraceCheckUtils]: 12: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,395 INFO L273 TraceCheckUtils]: 11: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,395 INFO L273 TraceCheckUtils]: 10: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,395 INFO L273 TraceCheckUtils]: 9: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 8: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 7: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 6: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 5: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 4: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 3: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 2: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,396 INFO L273 TraceCheckUtils]: 1: Hoare triple {10942#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10942#true} is VALID [2018-12-17 14:14:48,397 INFO L273 TraceCheckUtils]: 0: Hoare triple {10942#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {10942#true} is VALID [2018-12-17 14:14:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-12-17 14:14:48,417 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:14:48,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 23, 23] total 86 [2018-12-17 14:14:48,418 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:14:48,418 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2018-12-17 14:14:48,418 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:14:48,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states. [2018-12-17 14:14:48,555 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:48,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-12-17 14:14:48,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-12-17 14:14:48,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1010, Invalid=6300, Unknown=0, NotChecked=0, Total=7310 [2018-12-17 14:14:48,557 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 65 states. [2018-12-17 14:14:58,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:58,306 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2018-12-17 14:14:58,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-12-17 14:14:58,307 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2018-12-17 14:14:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:14:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-17 14:14:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-12-17 14:14:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-17 14:14:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-12-17 14:14:58,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 68 states and 75 transitions. [2018-12-17 14:14:58,391 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:14:58,392 INFO L225 Difference]: With dead ends: 71 [2018-12-17 14:14:58,392 INFO L226 Difference]: Without dead ends: 47 [2018-12-17 14:14:58,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1663, Invalid=10547, Unknown=0, NotChecked=0, Total=12210 [2018-12-17 14:14:58,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-17 14:14:59,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-17 14:14:59,152 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:14:59,152 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2018-12-17 14:14:59,152 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2018-12-17 14:14:59,152 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2018-12-17 14:14:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:59,153 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-12-17 14:14:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-12-17 14:14:59,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:59,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:59,154 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2018-12-17 14:14:59,154 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2018-12-17 14:14:59,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:14:59,155 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-12-17 14:14:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-12-17 14:14:59,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:14:59,156 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:14:59,156 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:14:59,156 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:14:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-17 14:14:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-12-17 14:14:59,157 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2018-12-17 14:14:59,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:14:59,157 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-12-17 14:14:59,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-12-17 14:14:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-12-17 14:14:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-17 14:14:59,158 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:14:59,158 INFO L402 BasicCegarLoop]: trace histogram [21, 21, 1, 1, 1, 1] [2018-12-17 14:14:59,158 INFO L423 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:14:59,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:14:59,159 INFO L82 PathProgramCache]: Analyzing trace with hash 954210165, now seen corresponding path program 31 times [2018-12-17 14:14:59,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:14:59,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:59,160 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:14:59,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:14:59,160 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:14:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:00,745 INFO L273 TraceCheckUtils]: 0: Hoare triple {11663#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,746 INFO L273 TraceCheckUtils]: 1: Hoare triple {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,747 INFO L273 TraceCheckUtils]: 2: Hoare triple {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,748 INFO L273 TraceCheckUtils]: 3: Hoare triple {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:00,749 INFO L273 TraceCheckUtils]: 4: Hoare triple {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,750 INFO L273 TraceCheckUtils]: 5: Hoare triple {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:00,751 INFO L273 TraceCheckUtils]: 6: Hoare triple {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,752 INFO L273 TraceCheckUtils]: 7: Hoare triple {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:00,753 INFO L273 TraceCheckUtils]: 8: Hoare triple {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,754 INFO L273 TraceCheckUtils]: 9: Hoare triple {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,755 INFO L273 TraceCheckUtils]: 10: Hoare triple {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,756 INFO L273 TraceCheckUtils]: 11: Hoare triple {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:00,757 INFO L273 TraceCheckUtils]: 12: Hoare triple {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,758 INFO L273 TraceCheckUtils]: 13: Hoare triple {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,759 INFO L273 TraceCheckUtils]: 14: Hoare triple {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,760 INFO L273 TraceCheckUtils]: 15: Hoare triple {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:00,760 INFO L273 TraceCheckUtils]: 16: Hoare triple {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:00,761 INFO L273 TraceCheckUtils]: 17: Hoare triple {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,762 INFO L273 TraceCheckUtils]: 18: Hoare triple {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,763 INFO L273 TraceCheckUtils]: 19: Hoare triple {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:00,764 INFO L273 TraceCheckUtils]: 20: Hoare triple {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11685#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:15:00,765 INFO L273 TraceCheckUtils]: 21: Hoare triple {11685#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:00,766 INFO L273 TraceCheckUtils]: 22: Hoare triple {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {11687#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,767 INFO L273 TraceCheckUtils]: 23: Hoare triple {11687#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11688#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,768 INFO L273 TraceCheckUtils]: 24: Hoare triple {11688#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11689#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,769 INFO L273 TraceCheckUtils]: 25: Hoare triple {11689#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11690#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,770 INFO L273 TraceCheckUtils]: 26: Hoare triple {11690#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11691#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,771 INFO L273 TraceCheckUtils]: 27: Hoare triple {11691#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11692#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,772 INFO L273 TraceCheckUtils]: 28: Hoare triple {11692#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11693#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,773 INFO L273 TraceCheckUtils]: 29: Hoare triple {11693#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11694#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,774 INFO L273 TraceCheckUtils]: 30: Hoare triple {11694#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11695#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,775 INFO L273 TraceCheckUtils]: 31: Hoare triple {11695#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11696#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,776 INFO L273 TraceCheckUtils]: 32: Hoare triple {11696#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11697#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,777 INFO L273 TraceCheckUtils]: 33: Hoare triple {11697#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11698#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,778 INFO L273 TraceCheckUtils]: 34: Hoare triple {11698#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11699#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,779 INFO L273 TraceCheckUtils]: 35: Hoare triple {11699#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11700#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,780 INFO L273 TraceCheckUtils]: 36: Hoare triple {11700#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11701#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,781 INFO L273 TraceCheckUtils]: 37: Hoare triple {11701#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11702#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,782 INFO L273 TraceCheckUtils]: 38: Hoare triple {11702#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11703#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,783 INFO L273 TraceCheckUtils]: 39: Hoare triple {11703#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11704#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,784 INFO L273 TraceCheckUtils]: 40: Hoare triple {11704#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11705#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,784 INFO L273 TraceCheckUtils]: 41: Hoare triple {11705#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11706#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,785 INFO L273 TraceCheckUtils]: 42: Hoare triple {11706#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11707#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:00,786 INFO L273 TraceCheckUtils]: 43: Hoare triple {11707#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11708#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:15:00,788 INFO L273 TraceCheckUtils]: 44: Hoare triple {11708#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {11664#false} is VALID [2018-12-17 14:15:00,788 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2018-12-17 14:15:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:00,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:00,793 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:15:00,793 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:15:00,793 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:15:00,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:00,793 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:15:00,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:15:00,803 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:15:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:00,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:15:02,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:15:02,314 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:02,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:02,319 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:15:02,322 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:15:02,322 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_337]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_337 20 (select ULTIMATE.start_main_~str1~6 0))) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21)) [2018-12-17 14:15:02,322 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 20) (select ULTIMATE.start_main_~str1~6 0)) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21)) [2018-12-17 14:15:02,387 INFO L273 TraceCheckUtils]: 0: Hoare triple {11663#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,388 INFO L273 TraceCheckUtils]: 1: Hoare triple {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,389 INFO L273 TraceCheckUtils]: 2: Hoare triple {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,390 INFO L273 TraceCheckUtils]: 3: Hoare triple {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:02,391 INFO L273 TraceCheckUtils]: 4: Hoare triple {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,392 INFO L273 TraceCheckUtils]: 5: Hoare triple {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:02,393 INFO L273 TraceCheckUtils]: 6: Hoare triple {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,394 INFO L273 TraceCheckUtils]: 7: Hoare triple {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:02,395 INFO L273 TraceCheckUtils]: 8: Hoare triple {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,396 INFO L273 TraceCheckUtils]: 9: Hoare triple {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,397 INFO L273 TraceCheckUtils]: 10: Hoare triple {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,398 INFO L273 TraceCheckUtils]: 11: Hoare triple {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:02,399 INFO L273 TraceCheckUtils]: 12: Hoare triple {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,400 INFO L273 TraceCheckUtils]: 13: Hoare triple {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,401 INFO L273 TraceCheckUtils]: 14: Hoare triple {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,402 INFO L273 TraceCheckUtils]: 15: Hoare triple {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:02,403 INFO L273 TraceCheckUtils]: 16: Hoare triple {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:02,404 INFO L273 TraceCheckUtils]: 17: Hoare triple {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,404 INFO L273 TraceCheckUtils]: 18: Hoare triple {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,405 INFO L273 TraceCheckUtils]: 19: Hoare triple {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,406 INFO L273 TraceCheckUtils]: 20: Hoare triple {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:02,407 INFO L273 TraceCheckUtils]: 21: Hoare triple {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11776#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:02,408 INFO L273 TraceCheckUtils]: 22: Hoare triple {11776#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {11780#(and (= ULTIMATE.start_main_~j~6 0) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,409 INFO L273 TraceCheckUtils]: 23: Hoare triple {11780#(and (= ULTIMATE.start_main_~j~6 0) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11784#(and (= ULTIMATE.start_main_~j~6 1) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,410 INFO L273 TraceCheckUtils]: 24: Hoare triple {11784#(and (= ULTIMATE.start_main_~j~6 1) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11788#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:15:02,411 INFO L273 TraceCheckUtils]: 25: Hoare triple {11788#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11792#(and (<= 21 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,412 INFO L273 TraceCheckUtils]: 26: Hoare triple {11792#(and (<= 21 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11796#(and (= ULTIMATE.start_main_~j~6 4) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,412 INFO L273 TraceCheckUtils]: 27: Hoare triple {11796#(and (= ULTIMATE.start_main_~j~6 4) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11800#(and (= ULTIMATE.start_main_~j~6 5) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,413 INFO L273 TraceCheckUtils]: 28: Hoare triple {11800#(and (= ULTIMATE.start_main_~j~6 5) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11804#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:15:02,414 INFO L273 TraceCheckUtils]: 29: Hoare triple {11804#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11808#(and (= ULTIMATE.start_main_~j~6 7) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,415 INFO L273 TraceCheckUtils]: 30: Hoare triple {11808#(and (= ULTIMATE.start_main_~j~6 7) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11812#(and (= ULTIMATE.start_main_~j~6 8) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,416 INFO L273 TraceCheckUtils]: 31: Hoare triple {11812#(and (= ULTIMATE.start_main_~j~6 8) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11816#(and (= ULTIMATE.start_main_~j~6 9) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,416 INFO L273 TraceCheckUtils]: 32: Hoare triple {11816#(and (= ULTIMATE.start_main_~j~6 9) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11820#(and (= ULTIMATE.start_main_~j~6 10) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,417 INFO L273 TraceCheckUtils]: 33: Hoare triple {11820#(and (= ULTIMATE.start_main_~j~6 10) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11824#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:15:02,418 INFO L273 TraceCheckUtils]: 34: Hoare triple {11824#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11828#(and (= ULTIMATE.start_main_~j~6 12) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,419 INFO L273 TraceCheckUtils]: 35: Hoare triple {11828#(and (= ULTIMATE.start_main_~j~6 12) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11832#(and (= ULTIMATE.start_main_~j~6 13) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,419 INFO L273 TraceCheckUtils]: 36: Hoare triple {11832#(and (= ULTIMATE.start_main_~j~6 13) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11836#(and (= ULTIMATE.start_main_~j~6 14) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,420 INFO L273 TraceCheckUtils]: 37: Hoare triple {11836#(and (= ULTIMATE.start_main_~j~6 14) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11840#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:15:02,421 INFO L273 TraceCheckUtils]: 38: Hoare triple {11840#(and (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11844#(and (= ULTIMATE.start_main_~j~6 16) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,422 INFO L273 TraceCheckUtils]: 39: Hoare triple {11844#(and (= ULTIMATE.start_main_~j~6 16) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11848#(and (= ULTIMATE.start_main_~j~6 17) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,423 INFO L273 TraceCheckUtils]: 40: Hoare triple {11848#(and (= ULTIMATE.start_main_~j~6 17) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11852#(and (= ULTIMATE.start_main_~j~6 18) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,424 INFO L273 TraceCheckUtils]: 41: Hoare triple {11852#(and (= ULTIMATE.start_main_~j~6 18) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11856#(and (= ULTIMATE.start_main_~j~6 19) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,424 INFO L273 TraceCheckUtils]: 42: Hoare triple {11856#(and (= ULTIMATE.start_main_~j~6 19) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11860#(and (= ULTIMATE.start_main_~j~6 20) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,425 INFO L273 TraceCheckUtils]: 43: Hoare triple {11860#(and (= ULTIMATE.start_main_~j~6 20) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11864#(and (= (select ULTIMATE.start_main_~str2~6 20) (select ULTIMATE.start_main_~str1~6 0)) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} is VALID [2018-12-17 14:15:02,426 INFO L273 TraceCheckUtils]: 44: Hoare triple {11864#(and (= (select ULTIMATE.start_main_~str2~6 20) (select ULTIMATE.start_main_~str1~6 0)) (<= 21 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 21))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {11664#false} is VALID [2018-12-17 14:15:02,427 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2018-12-17 14:15:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:02,432 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:15:02,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:15:02,461 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:02,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:02,464 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:15:02,466 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:15:02,466 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:15:02,466 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:15:03,030 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2018-12-17 14:15:03,031 INFO L273 TraceCheckUtils]: 44: Hoare triple {11708#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {11664#false} is VALID [2018-12-17 14:15:03,032 INFO L273 TraceCheckUtils]: 43: Hoare triple {11707#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11708#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:15:03,033 INFO L273 TraceCheckUtils]: 42: Hoare triple {11706#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11707#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,034 INFO L273 TraceCheckUtils]: 41: Hoare triple {11705#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11706#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,035 INFO L273 TraceCheckUtils]: 40: Hoare triple {11704#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11705#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,036 INFO L273 TraceCheckUtils]: 39: Hoare triple {11703#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11704#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,037 INFO L273 TraceCheckUtils]: 38: Hoare triple {11702#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11703#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,038 INFO L273 TraceCheckUtils]: 37: Hoare triple {11701#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11702#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,039 INFO L273 TraceCheckUtils]: 36: Hoare triple {11700#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11701#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,040 INFO L273 TraceCheckUtils]: 35: Hoare triple {11699#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11700#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,041 INFO L273 TraceCheckUtils]: 34: Hoare triple {11698#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11699#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,042 INFO L273 TraceCheckUtils]: 33: Hoare triple {11697#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11698#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,043 INFO L273 TraceCheckUtils]: 32: Hoare triple {11696#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11697#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,044 INFO L273 TraceCheckUtils]: 31: Hoare triple {11695#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11696#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,045 INFO L273 TraceCheckUtils]: 30: Hoare triple {11694#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11695#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,046 INFO L273 TraceCheckUtils]: 29: Hoare triple {11693#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11694#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,047 INFO L273 TraceCheckUtils]: 28: Hoare triple {11692#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11693#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,047 INFO L273 TraceCheckUtils]: 27: Hoare triple {11691#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11692#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,048 INFO L273 TraceCheckUtils]: 26: Hoare triple {11690#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11691#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,049 INFO L273 TraceCheckUtils]: 25: Hoare triple {11689#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11690#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,050 INFO L273 TraceCheckUtils]: 24: Hoare triple {11688#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11689#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,051 INFO L273 TraceCheckUtils]: 23: Hoare triple {11687#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {11688#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,052 INFO L273 TraceCheckUtils]: 22: Hoare triple {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {11687#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:03,053 INFO L273 TraceCheckUtils]: 21: Hoare triple {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11686#(or (= 21 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:03,054 INFO L273 TraceCheckUtils]: 20: Hoare triple {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11772#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,055 INFO L273 TraceCheckUtils]: 19: Hoare triple {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11684#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,056 INFO L273 TraceCheckUtils]: 18: Hoare triple {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11683#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,057 INFO L273 TraceCheckUtils]: 17: Hoare triple {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11682#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,058 INFO L273 TraceCheckUtils]: 16: Hoare triple {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11681#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:03,059 INFO L273 TraceCheckUtils]: 15: Hoare triple {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11680#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:03,060 INFO L273 TraceCheckUtils]: 14: Hoare triple {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11679#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,061 INFO L273 TraceCheckUtils]: 13: Hoare triple {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11678#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,062 INFO L273 TraceCheckUtils]: 12: Hoare triple {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11677#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,063 INFO L273 TraceCheckUtils]: 11: Hoare triple {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11676#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:03,066 INFO L273 TraceCheckUtils]: 10: Hoare triple {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11675#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,067 INFO L273 TraceCheckUtils]: 9: Hoare triple {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11674#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,068 INFO L273 TraceCheckUtils]: 8: Hoare triple {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11673#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,068 INFO L273 TraceCheckUtils]: 7: Hoare triple {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11672#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:03,069 INFO L273 TraceCheckUtils]: 6: Hoare triple {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11671#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,069 INFO L273 TraceCheckUtils]: 5: Hoare triple {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11670#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:03,070 INFO L273 TraceCheckUtils]: 4: Hoare triple {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11669#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,071 INFO L273 TraceCheckUtils]: 3: Hoare triple {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11668#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:03,072 INFO L273 TraceCheckUtils]: 2: Hoare triple {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11667#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,073 INFO L273 TraceCheckUtils]: 1: Hoare triple {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {11666#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,073 INFO L273 TraceCheckUtils]: 0: Hoare triple {11663#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {11665#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:03,096 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:15:03,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 69 [2018-12-17 14:15:03,096 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:15:03,097 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2018-12-17 14:15:03,097 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:15:03,097 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states. [2018-12-17 14:15:03,161 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:03,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-12-17 14:15:03,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-12-17 14:15:03,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=4625, Unknown=0, NotChecked=0, Total=4830 [2018-12-17 14:15:03,163 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 70 states. [2018-12-17 14:15:11,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:11,928 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2018-12-17 14:15:11,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-17 14:15:11,928 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2018-12-17 14:15:11,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:15:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-17 14:15:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-12-17 14:15:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-17 14:15:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-12-17 14:15:11,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 49 states and 54 transitions. [2018-12-17 14:15:11,986 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:11,987 INFO L225 Difference]: With dead ends: 72 [2018-12-17 14:15:11,987 INFO L226 Difference]: Without dead ends: 48 [2018-12-17 14:15:11,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 51 SyntacticMatches, 16 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=434, Invalid=8308, Unknown=0, NotChecked=0, Total=8742 [2018-12-17 14:15:11,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-17 14:15:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-17 14:15:12,799 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:15:12,799 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand 48 states. [2018-12-17 14:15:12,799 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2018-12-17 14:15:12,800 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2018-12-17 14:15:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:12,800 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-12-17 14:15:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-12-17 14:15:12,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:12,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:12,801 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2018-12-17 14:15:12,801 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2018-12-17 14:15:12,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:12,802 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-12-17 14:15:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-12-17 14:15:12,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:12,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:12,803 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:15:12,803 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:15:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-17 14:15:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2018-12-17 14:15:12,804 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 46 [2018-12-17 14:15:12,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:15:12,804 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2018-12-17 14:15:12,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-12-17 14:15:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-12-17 14:15:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-17 14:15:12,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:15:12,805 INFO L402 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1, 1] [2018-12-17 14:15:12,805 INFO L423 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:15:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:15:12,805 INFO L82 PathProgramCache]: Analyzing trace with hash 259355244, now seen corresponding path program 32 times [2018-12-17 14:15:12,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:15:12,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:12,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:15:12,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:12,806 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:15:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:13,261 INFO L273 TraceCheckUtils]: 0: Hoare triple {12384#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,262 INFO L273 TraceCheckUtils]: 1: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,263 INFO L273 TraceCheckUtils]: 2: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,263 INFO L273 TraceCheckUtils]: 3: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,264 INFO L273 TraceCheckUtils]: 4: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,264 INFO L273 TraceCheckUtils]: 5: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,265 INFO L273 TraceCheckUtils]: 6: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,266 INFO L273 TraceCheckUtils]: 7: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,267 INFO L273 TraceCheckUtils]: 8: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,268 INFO L273 TraceCheckUtils]: 9: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,269 INFO L273 TraceCheckUtils]: 10: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,270 INFO L273 TraceCheckUtils]: 11: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,271 INFO L273 TraceCheckUtils]: 12: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,271 INFO L273 TraceCheckUtils]: 13: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,272 INFO L273 TraceCheckUtils]: 14: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,273 INFO L273 TraceCheckUtils]: 15: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,274 INFO L273 TraceCheckUtils]: 16: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,275 INFO L273 TraceCheckUtils]: 17: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,276 INFO L273 TraceCheckUtils]: 18: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,277 INFO L273 TraceCheckUtils]: 19: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,278 INFO L273 TraceCheckUtils]: 20: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,278 INFO L273 TraceCheckUtils]: 21: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,279 INFO L273 TraceCheckUtils]: 22: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:13,280 INFO L273 TraceCheckUtils]: 23: Hoare triple {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,281 INFO L273 TraceCheckUtils]: 24: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,282 INFO L273 TraceCheckUtils]: 25: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,283 INFO L273 TraceCheckUtils]: 26: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,284 INFO L273 TraceCheckUtils]: 27: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,285 INFO L273 TraceCheckUtils]: 28: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,285 INFO L273 TraceCheckUtils]: 29: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,286 INFO L273 TraceCheckUtils]: 30: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,287 INFO L273 TraceCheckUtils]: 31: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,288 INFO L273 TraceCheckUtils]: 32: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,289 INFO L273 TraceCheckUtils]: 33: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,290 INFO L273 TraceCheckUtils]: 34: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,291 INFO L273 TraceCheckUtils]: 35: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,291 INFO L273 TraceCheckUtils]: 36: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,292 INFO L273 TraceCheckUtils]: 37: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,293 INFO L273 TraceCheckUtils]: 38: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,294 INFO L273 TraceCheckUtils]: 39: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,295 INFO L273 TraceCheckUtils]: 40: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,296 INFO L273 TraceCheckUtils]: 41: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,297 INFO L273 TraceCheckUtils]: 42: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,297 INFO L273 TraceCheckUtils]: 43: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,298 INFO L273 TraceCheckUtils]: 44: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,300 INFO L273 TraceCheckUtils]: 45: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {12385#false} is VALID [2018-12-17 14:15:13,301 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2018-12-17 14:15:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:13,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:13,303 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:15:13,303 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:15:13,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:15:13,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:13,303 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:15:13,311 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:15:13,311 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:15:13,392 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2018-12-17 14:15:13,392 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:15:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:13,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:15:13,679 INFO L273 TraceCheckUtils]: 0: Hoare triple {12384#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,681 INFO L273 TraceCheckUtils]: 1: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,682 INFO L273 TraceCheckUtils]: 2: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,682 INFO L273 TraceCheckUtils]: 3: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,683 INFO L273 TraceCheckUtils]: 4: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,684 INFO L273 TraceCheckUtils]: 5: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,685 INFO L273 TraceCheckUtils]: 6: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,686 INFO L273 TraceCheckUtils]: 7: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,687 INFO L273 TraceCheckUtils]: 8: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,688 INFO L273 TraceCheckUtils]: 9: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,690 INFO L273 TraceCheckUtils]: 10: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,691 INFO L273 TraceCheckUtils]: 11: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,691 INFO L273 TraceCheckUtils]: 12: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,692 INFO L273 TraceCheckUtils]: 13: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,693 INFO L273 TraceCheckUtils]: 14: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,694 INFO L273 TraceCheckUtils]: 15: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,695 INFO L273 TraceCheckUtils]: 16: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,696 INFO L273 TraceCheckUtils]: 17: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,697 INFO L273 TraceCheckUtils]: 18: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,698 INFO L273 TraceCheckUtils]: 19: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,698 INFO L273 TraceCheckUtils]: 20: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,699 INFO L273 TraceCheckUtils]: 21: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,700 INFO L273 TraceCheckUtils]: 22: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:13,701 INFO L273 TraceCheckUtils]: 23: Hoare triple {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,702 INFO L273 TraceCheckUtils]: 24: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,703 INFO L273 TraceCheckUtils]: 25: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,704 INFO L273 TraceCheckUtils]: 26: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,705 INFO L273 TraceCheckUtils]: 27: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,705 INFO L273 TraceCheckUtils]: 28: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,706 INFO L273 TraceCheckUtils]: 29: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,707 INFO L273 TraceCheckUtils]: 30: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,708 INFO L273 TraceCheckUtils]: 31: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,709 INFO L273 TraceCheckUtils]: 32: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,719 INFO L273 TraceCheckUtils]: 33: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,720 INFO L273 TraceCheckUtils]: 34: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,720 INFO L273 TraceCheckUtils]: 35: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,721 INFO L273 TraceCheckUtils]: 36: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,721 INFO L273 TraceCheckUtils]: 37: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,722 INFO L273 TraceCheckUtils]: 38: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,723 INFO L273 TraceCheckUtils]: 39: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,724 INFO L273 TraceCheckUtils]: 40: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,725 INFO L273 TraceCheckUtils]: 41: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,726 INFO L273 TraceCheckUtils]: 42: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,726 INFO L273 TraceCheckUtils]: 43: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,727 INFO L273 TraceCheckUtils]: 44: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:13,728 INFO L273 TraceCheckUtils]: 45: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {12385#false} is VALID [2018-12-17 14:15:13,728 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2018-12-17 14:15:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:13,731 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:15:14,367 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2018-12-17 14:15:14,367 INFO L273 TraceCheckUtils]: 45: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {12385#false} is VALID [2018-12-17 14:15:14,368 INFO L273 TraceCheckUtils]: 44: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,369 INFO L273 TraceCheckUtils]: 43: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,370 INFO L273 TraceCheckUtils]: 42: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,371 INFO L273 TraceCheckUtils]: 41: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,372 INFO L273 TraceCheckUtils]: 40: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,373 INFO L273 TraceCheckUtils]: 39: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,373 INFO L273 TraceCheckUtils]: 38: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,374 INFO L273 TraceCheckUtils]: 37: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,375 INFO L273 TraceCheckUtils]: 36: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,376 INFO L273 TraceCheckUtils]: 35: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,377 INFO L273 TraceCheckUtils]: 34: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,378 INFO L273 TraceCheckUtils]: 33: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,379 INFO L273 TraceCheckUtils]: 32: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,379 INFO L273 TraceCheckUtils]: 31: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,388 INFO L273 TraceCheckUtils]: 30: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,389 INFO L273 TraceCheckUtils]: 29: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,390 INFO L273 TraceCheckUtils]: 28: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,390 INFO L273 TraceCheckUtils]: 27: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,391 INFO L273 TraceCheckUtils]: 26: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,391 INFO L273 TraceCheckUtils]: 25: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,392 INFO L273 TraceCheckUtils]: 24: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,393 INFO L273 TraceCheckUtils]: 23: Hoare triple {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,394 INFO L273 TraceCheckUtils]: 22: Hoare triple {12407#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12408#(<= 22 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:14,395 INFO L273 TraceCheckUtils]: 21: Hoare triple {12406#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12407#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,395 INFO L273 TraceCheckUtils]: 20: Hoare triple {12405#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12406#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,396 INFO L273 TraceCheckUtils]: 19: Hoare triple {12404#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12405#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,397 INFO L273 TraceCheckUtils]: 18: Hoare triple {12403#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12404#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,398 INFO L273 TraceCheckUtils]: 17: Hoare triple {12402#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12403#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,399 INFO L273 TraceCheckUtils]: 16: Hoare triple {12401#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12402#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,400 INFO L273 TraceCheckUtils]: 15: Hoare triple {12400#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12401#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,401 INFO L273 TraceCheckUtils]: 14: Hoare triple {12399#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12400#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,402 INFO L273 TraceCheckUtils]: 13: Hoare triple {12398#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12399#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,402 INFO L273 TraceCheckUtils]: 12: Hoare triple {12397#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12398#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,403 INFO L273 TraceCheckUtils]: 11: Hoare triple {12396#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12397#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,404 INFO L273 TraceCheckUtils]: 10: Hoare triple {12395#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12396#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,405 INFO L273 TraceCheckUtils]: 9: Hoare triple {12394#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12395#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,406 INFO L273 TraceCheckUtils]: 8: Hoare triple {12393#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12394#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,407 INFO L273 TraceCheckUtils]: 7: Hoare triple {12392#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12393#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,408 INFO L273 TraceCheckUtils]: 6: Hoare triple {12391#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12392#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,409 INFO L273 TraceCheckUtils]: 5: Hoare triple {12390#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12391#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,409 INFO L273 TraceCheckUtils]: 4: Hoare triple {12389#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12390#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,410 INFO L273 TraceCheckUtils]: 3: Hoare triple {12388#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12389#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,411 INFO L273 TraceCheckUtils]: 2: Hoare triple {12387#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12388#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,412 INFO L273 TraceCheckUtils]: 1: Hoare triple {12386#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {12387#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,413 INFO L273 TraceCheckUtils]: 0: Hoare triple {12384#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {12386#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:14,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:15:14,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 24 [2018-12-17 14:15:14,435 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:15:14,435 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2018-12-17 14:15:14,435 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:15:14,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2018-12-17 14:15:14,486 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:14,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-17 14:15:14,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-17 14:15:14,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2018-12-17 14:15:14,487 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 25 states. [2018-12-17 14:15:15,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:15,918 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-12-17 14:15:15,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-17 14:15:15,919 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2018-12-17 14:15:15,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:15:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-17 14:15:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2018-12-17 14:15:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-17 14:15:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2018-12-17 14:15:15,921 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states and 52 transitions. [2018-12-17 14:15:15,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:15,967 INFO L225 Difference]: With dead ends: 51 [2018-12-17 14:15:15,967 INFO L226 Difference]: Without dead ends: 49 [2018-12-17 14:15:15,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 71 SyntacticMatches, 44 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2018-12-17 14:15:15,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-17 14:15:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-17 14:15:16,852 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:15:16,852 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2018-12-17 14:15:16,853 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2018-12-17 14:15:16,853 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2018-12-17 14:15:16,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:16,853 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-12-17 14:15:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-12-17 14:15:16,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:16,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:16,854 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2018-12-17 14:15:16,854 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2018-12-17 14:15:16,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:16,855 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-12-17 14:15:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-12-17 14:15:16,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:16,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:16,856 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:15:16,856 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:15:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-17 14:15:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-12-17 14:15:16,857 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 47 [2018-12-17 14:15:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:15:16,857 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-12-17 14:15:16,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-17 14:15:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-12-17 14:15:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-17 14:15:16,858 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:15:16,858 INFO L402 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1] [2018-12-17 14:15:16,858 INFO L423 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:15:16,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:15:16,859 INFO L82 PathProgramCache]: Analyzing trace with hash -549920214, now seen corresponding path program 33 times [2018-12-17 14:15:16,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:15:16,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:16,859 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:15:16,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:16,860 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:15:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:18,660 INFO L273 TraceCheckUtils]: 0: Hoare triple {13024#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {13026#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,661 INFO L273 TraceCheckUtils]: 1: Hoare triple {13026#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13027#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,662 INFO L273 TraceCheckUtils]: 2: Hoare triple {13027#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13028#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,663 INFO L273 TraceCheckUtils]: 3: Hoare triple {13028#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13029#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:18,664 INFO L273 TraceCheckUtils]: 4: Hoare triple {13029#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13030#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,665 INFO L273 TraceCheckUtils]: 5: Hoare triple {13030#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13031#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:18,666 INFO L273 TraceCheckUtils]: 6: Hoare triple {13031#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13032#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,667 INFO L273 TraceCheckUtils]: 7: Hoare triple {13032#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13033#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:18,668 INFO L273 TraceCheckUtils]: 8: Hoare triple {13033#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13034#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,669 INFO L273 TraceCheckUtils]: 9: Hoare triple {13034#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13035#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,670 INFO L273 TraceCheckUtils]: 10: Hoare triple {13035#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13036#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,671 INFO L273 TraceCheckUtils]: 11: Hoare triple {13036#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13037#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:18,671 INFO L273 TraceCheckUtils]: 12: Hoare triple {13037#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13038#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,672 INFO L273 TraceCheckUtils]: 13: Hoare triple {13038#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13039#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,673 INFO L273 TraceCheckUtils]: 14: Hoare triple {13039#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13040#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,674 INFO L273 TraceCheckUtils]: 15: Hoare triple {13040#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13041#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:18,675 INFO L273 TraceCheckUtils]: 16: Hoare triple {13041#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13042#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:18,676 INFO L273 TraceCheckUtils]: 17: Hoare triple {13042#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13043#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,677 INFO L273 TraceCheckUtils]: 18: Hoare triple {13043#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13044#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,678 INFO L273 TraceCheckUtils]: 19: Hoare triple {13044#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13045#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,679 INFO L273 TraceCheckUtils]: 20: Hoare triple {13045#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13046#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:18,680 INFO L273 TraceCheckUtils]: 21: Hoare triple {13046#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13047#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:15:18,681 INFO L273 TraceCheckUtils]: 22: Hoare triple {13047#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13048#(or (= 22 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:18,682 INFO L273 TraceCheckUtils]: 23: Hoare triple {13048#(or (= 22 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {13049#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,683 INFO L273 TraceCheckUtils]: 24: Hoare triple {13049#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13050#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,684 INFO L273 TraceCheckUtils]: 25: Hoare triple {13050#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13051#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,685 INFO L273 TraceCheckUtils]: 26: Hoare triple {13051#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13052#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,686 INFO L273 TraceCheckUtils]: 27: Hoare triple {13052#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13053#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,687 INFO L273 TraceCheckUtils]: 28: Hoare triple {13053#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13054#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,688 INFO L273 TraceCheckUtils]: 29: Hoare triple {13054#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13055#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,689 INFO L273 TraceCheckUtils]: 30: Hoare triple {13055#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13056#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,690 INFO L273 TraceCheckUtils]: 31: Hoare triple {13056#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13057#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,691 INFO L273 TraceCheckUtils]: 32: Hoare triple {13057#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13058#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,692 INFO L273 TraceCheckUtils]: 33: Hoare triple {13058#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13059#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,693 INFO L273 TraceCheckUtils]: 34: Hoare triple {13059#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13060#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,694 INFO L273 TraceCheckUtils]: 35: Hoare triple {13060#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13061#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,694 INFO L273 TraceCheckUtils]: 36: Hoare triple {13061#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13062#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,695 INFO L273 TraceCheckUtils]: 37: Hoare triple {13062#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13063#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,696 INFO L273 TraceCheckUtils]: 38: Hoare triple {13063#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13064#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,697 INFO L273 TraceCheckUtils]: 39: Hoare triple {13064#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13065#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,698 INFO L273 TraceCheckUtils]: 40: Hoare triple {13065#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13066#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,699 INFO L273 TraceCheckUtils]: 41: Hoare triple {13066#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13067#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,700 INFO L273 TraceCheckUtils]: 42: Hoare triple {13067#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13068#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,701 INFO L273 TraceCheckUtils]: 43: Hoare triple {13068#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13069#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,702 INFO L273 TraceCheckUtils]: 44: Hoare triple {13069#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13070#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:18,703 INFO L273 TraceCheckUtils]: 45: Hoare triple {13070#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13071#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:15:18,704 INFO L273 TraceCheckUtils]: 46: Hoare triple {13071#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {13025#false} is VALID [2018-12-17 14:15:18,704 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2018-12-17 14:15:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:18,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:18,709 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:15:18,709 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:15:18,709 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:15:18,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:18,709 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:15:18,719 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:15:18,719 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:15:18,763 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:15:18,763 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:15:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:18,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:15:20,188 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:15:20,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:20,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:20,199 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:15:20,201 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:15:20,201 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_380]. (and (= (store v_ULTIMATE.start_main_~str2~6_380 21 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (<= 22 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:15:20,202 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= (select ULTIMATE.start_main_~str2~6 21) (select ULTIMATE.start_main_~str1~6 0)) (<= 22 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:15:20,278 INFO L273 TraceCheckUtils]: 0: Hoare triple {13024#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {13024#true} is VALID [2018-12-17 14:15:20,279 INFO L273 TraceCheckUtils]: 1: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,279 INFO L273 TraceCheckUtils]: 2: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,279 INFO L273 TraceCheckUtils]: 3: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,279 INFO L273 TraceCheckUtils]: 4: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,279 INFO L273 TraceCheckUtils]: 5: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,280 INFO L273 TraceCheckUtils]: 6: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,280 INFO L273 TraceCheckUtils]: 7: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,280 INFO L273 TraceCheckUtils]: 8: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,280 INFO L273 TraceCheckUtils]: 9: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,280 INFO L273 TraceCheckUtils]: 10: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,281 INFO L273 TraceCheckUtils]: 11: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,281 INFO L273 TraceCheckUtils]: 12: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,281 INFO L273 TraceCheckUtils]: 13: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,281 INFO L273 TraceCheckUtils]: 14: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,281 INFO L273 TraceCheckUtils]: 15: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,282 INFO L273 TraceCheckUtils]: 16: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,282 INFO L273 TraceCheckUtils]: 17: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,282 INFO L273 TraceCheckUtils]: 18: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,282 INFO L273 TraceCheckUtils]: 19: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,282 INFO L273 TraceCheckUtils]: 20: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,282 INFO L273 TraceCheckUtils]: 21: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,282 INFO L273 TraceCheckUtils]: 22: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:20,286 INFO L273 TraceCheckUtils]: 23: Hoare triple {13024#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {13144#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:20,286 INFO L273 TraceCheckUtils]: 24: Hoare triple {13144#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13148#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:15:20,287 INFO L273 TraceCheckUtils]: 25: Hoare triple {13148#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13152#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:15:20,288 INFO L273 TraceCheckUtils]: 26: Hoare triple {13152#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13156#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:15:20,289 INFO L273 TraceCheckUtils]: 27: Hoare triple {13156#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13160#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:15:20,290 INFO L273 TraceCheckUtils]: 28: Hoare triple {13160#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13164#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:20,291 INFO L273 TraceCheckUtils]: 29: Hoare triple {13164#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13168#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:15:20,292 INFO L273 TraceCheckUtils]: 30: Hoare triple {13168#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13172#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:15:20,293 INFO L273 TraceCheckUtils]: 31: Hoare triple {13172#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13176#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:15:20,294 INFO L273 TraceCheckUtils]: 32: Hoare triple {13176#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13180#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:15:20,294 INFO L273 TraceCheckUtils]: 33: Hoare triple {13180#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:15:20,295 INFO L273 TraceCheckUtils]: 34: Hoare triple {13184#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13188#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:15:20,296 INFO L273 TraceCheckUtils]: 35: Hoare triple {13188#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13192#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:15:20,297 INFO L273 TraceCheckUtils]: 36: Hoare triple {13192#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13196#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:15:20,298 INFO L273 TraceCheckUtils]: 37: Hoare triple {13196#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13200#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:15:20,299 INFO L273 TraceCheckUtils]: 38: Hoare triple {13200#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:15:20,300 INFO L273 TraceCheckUtils]: 39: Hoare triple {13204#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13208#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:15:20,301 INFO L273 TraceCheckUtils]: 40: Hoare triple {13208#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13212#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:15:20,302 INFO L273 TraceCheckUtils]: 41: Hoare triple {13212#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13216#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:15:20,303 INFO L273 TraceCheckUtils]: 42: Hoare triple {13216#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13220#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:15:20,304 INFO L273 TraceCheckUtils]: 43: Hoare triple {13220#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13224#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:15:20,305 INFO L273 TraceCheckUtils]: 44: Hoare triple {13224#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13228#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:15:20,307 INFO L273 TraceCheckUtils]: 45: Hoare triple {13228#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13232#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= (select ULTIMATE.start_main_~str2~6 21) (select ULTIMATE.start_main_~str1~6 0)) (<= 22 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:20,308 INFO L273 TraceCheckUtils]: 46: Hoare triple {13232#(and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= (select ULTIMATE.start_main_~str2~6 21) (select ULTIMATE.start_main_~str1~6 0)) (<= 22 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {13025#false} is VALID [2018-12-17 14:15:20,308 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2018-12-17 14:15:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-17 14:15:20,313 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:15:20,422 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:15:20,424 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:20,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:20,436 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:15:20,439 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:15:20,439 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:15:20,439 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:15:22,328 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2018-12-17 14:15:22,329 INFO L273 TraceCheckUtils]: 46: Hoare triple {13242#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {13025#false} is VALID [2018-12-17 14:15:22,330 INFO L273 TraceCheckUtils]: 45: Hoare triple {13246#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13242#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,331 INFO L273 TraceCheckUtils]: 44: Hoare triple {13250#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13246#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:22,333 INFO L273 TraceCheckUtils]: 43: Hoare triple {13254#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13250#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:15:22,334 INFO L273 TraceCheckUtils]: 42: Hoare triple {13258#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13254#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,335 INFO L273 TraceCheckUtils]: 41: Hoare triple {13262#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13258#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,336 INFO L273 TraceCheckUtils]: 40: Hoare triple {13266#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13262#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:15:22,337 INFO L273 TraceCheckUtils]: 39: Hoare triple {13270#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13266#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:22,353 INFO L273 TraceCheckUtils]: 38: Hoare triple {13274#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13270#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,354 INFO L273 TraceCheckUtils]: 37: Hoare triple {13278#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13274#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,355 INFO L273 TraceCheckUtils]: 36: Hoare triple {13282#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13278#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:15:22,356 INFO L273 TraceCheckUtils]: 35: Hoare triple {13286#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13282#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,357 INFO L273 TraceCheckUtils]: 34: Hoare triple {13290#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13286#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:15:22,358 INFO L273 TraceCheckUtils]: 33: Hoare triple {13294#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13290#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,359 INFO L273 TraceCheckUtils]: 32: Hoare triple {13298#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13294#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:15:22,360 INFO L273 TraceCheckUtils]: 31: Hoare triple {13302#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13298#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,361 INFO L273 TraceCheckUtils]: 30: Hoare triple {13306#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13302#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:15:22,362 INFO L273 TraceCheckUtils]: 29: Hoare triple {13310#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13306#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:15:22,363 INFO L273 TraceCheckUtils]: 28: Hoare triple {13314#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13310#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:15:22,364 INFO L273 TraceCheckUtils]: 27: Hoare triple {13318#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13314#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:15:22,365 INFO L273 TraceCheckUtils]: 26: Hoare triple {13322#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13318#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:15:22,367 INFO L273 TraceCheckUtils]: 25: Hoare triple {13326#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13322#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:15:22,368 INFO L273 TraceCheckUtils]: 24: Hoare triple {13330#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13326#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:22,369 INFO L273 TraceCheckUtils]: 23: Hoare triple {13024#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {13330#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:15:22,369 INFO L273 TraceCheckUtils]: 22: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,369 INFO L273 TraceCheckUtils]: 21: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,369 INFO L273 TraceCheckUtils]: 20: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,369 INFO L273 TraceCheckUtils]: 19: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,370 INFO L273 TraceCheckUtils]: 18: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,370 INFO L273 TraceCheckUtils]: 17: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,370 INFO L273 TraceCheckUtils]: 16: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,370 INFO L273 TraceCheckUtils]: 15: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,370 INFO L273 TraceCheckUtils]: 14: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,371 INFO L273 TraceCheckUtils]: 13: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,371 INFO L273 TraceCheckUtils]: 12: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,371 INFO L273 TraceCheckUtils]: 11: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,371 INFO L273 TraceCheckUtils]: 10: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,371 INFO L273 TraceCheckUtils]: 9: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,371 INFO L273 TraceCheckUtils]: 8: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,372 INFO L273 TraceCheckUtils]: 7: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,372 INFO L273 TraceCheckUtils]: 6: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,372 INFO L273 TraceCheckUtils]: 5: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,372 INFO L273 TraceCheckUtils]: 4: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,372 INFO L273 TraceCheckUtils]: 3: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,373 INFO L273 TraceCheckUtils]: 2: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,373 INFO L273 TraceCheckUtils]: 1: Hoare triple {13024#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13024#true} is VALID [2018-12-17 14:15:22,373 INFO L273 TraceCheckUtils]: 0: Hoare triple {13024#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {13024#true} is VALID [2018-12-17 14:15:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-17 14:15:22,395 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:15:22,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 25, 25] total 94 [2018-12-17 14:15:22,396 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:15:22,396 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2018-12-17 14:15:22,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:15:22,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states. [2018-12-17 14:15:22,466 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:22,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-12-17 14:15:22,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-12-17 14:15:22,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1198, Invalid=7544, Unknown=0, NotChecked=0, Total=8742 [2018-12-17 14:15:22,467 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 71 states. [2018-12-17 14:15:33,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:33,975 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2018-12-17 14:15:33,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-12-17 14:15:33,975 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2018-12-17 14:15:33,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:15:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-17 14:15:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2018-12-17 14:15:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-17 14:15:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2018-12-17 14:15:33,978 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 74 states and 81 transitions. [2018-12-17 14:15:34,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:34,066 INFO L225 Difference]: With dead ends: 77 [2018-12-17 14:15:34,067 INFO L226 Difference]: Without dead ends: 51 [2018-12-17 14:15:34,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1957, Invalid=12563, Unknown=0, NotChecked=0, Total=14520 [2018-12-17 14:15:34,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-17 14:15:34,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-17 14:15:34,945 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:15:34,945 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 51 states. [2018-12-17 14:15:34,945 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2018-12-17 14:15:34,946 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2018-12-17 14:15:34,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:34,947 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-12-17 14:15:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-12-17 14:15:34,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:34,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:34,947 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2018-12-17 14:15:34,947 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2018-12-17 14:15:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:34,948 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-12-17 14:15:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-12-17 14:15:34,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:34,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:34,949 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:15:34,949 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:15:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-17 14:15:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-12-17 14:15:34,950 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 48 [2018-12-17 14:15:34,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:15:34,950 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-12-17 14:15:34,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-12-17 14:15:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-12-17 14:15:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-17 14:15:34,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:15:34,951 INFO L402 BasicCegarLoop]: trace histogram [23, 23, 1, 1, 1, 1] [2018-12-17 14:15:34,951 INFO L423 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:15:34,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:15:34,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1451759573, now seen corresponding path program 34 times [2018-12-17 14:15:34,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:15:34,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:34,952 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:15:34,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:34,952 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:15:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:36,633 INFO L273 TraceCheckUtils]: 0: Hoare triple {13809#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,635 INFO L273 TraceCheckUtils]: 1: Hoare triple {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,636 INFO L273 TraceCheckUtils]: 2: Hoare triple {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,636 INFO L273 TraceCheckUtils]: 3: Hoare triple {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:36,637 INFO L273 TraceCheckUtils]: 4: Hoare triple {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,638 INFO L273 TraceCheckUtils]: 5: Hoare triple {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:36,642 INFO L273 TraceCheckUtils]: 6: Hoare triple {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,642 INFO L273 TraceCheckUtils]: 7: Hoare triple {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:36,643 INFO L273 TraceCheckUtils]: 8: Hoare triple {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,644 INFO L273 TraceCheckUtils]: 9: Hoare triple {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,644 INFO L273 TraceCheckUtils]: 10: Hoare triple {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,645 INFO L273 TraceCheckUtils]: 11: Hoare triple {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:36,646 INFO L273 TraceCheckUtils]: 12: Hoare triple {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,647 INFO L273 TraceCheckUtils]: 13: Hoare triple {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,648 INFO L273 TraceCheckUtils]: 14: Hoare triple {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,649 INFO L273 TraceCheckUtils]: 15: Hoare triple {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:36,650 INFO L273 TraceCheckUtils]: 16: Hoare triple {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:36,651 INFO L273 TraceCheckUtils]: 17: Hoare triple {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,652 INFO L273 TraceCheckUtils]: 18: Hoare triple {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,653 INFO L273 TraceCheckUtils]: 19: Hoare triple {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,653 INFO L273 TraceCheckUtils]: 20: Hoare triple {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,654 INFO L273 TraceCheckUtils]: 21: Hoare triple {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:36,655 INFO L273 TraceCheckUtils]: 22: Hoare triple {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13833#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:15:36,657 INFO L273 TraceCheckUtils]: 23: Hoare triple {13833#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:36,658 INFO L273 TraceCheckUtils]: 24: Hoare triple {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {13835#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,659 INFO L273 TraceCheckUtils]: 25: Hoare triple {13835#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13836#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,659 INFO L273 TraceCheckUtils]: 26: Hoare triple {13836#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13837#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,660 INFO L273 TraceCheckUtils]: 27: Hoare triple {13837#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13838#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,661 INFO L273 TraceCheckUtils]: 28: Hoare triple {13838#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13839#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,662 INFO L273 TraceCheckUtils]: 29: Hoare triple {13839#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13840#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,663 INFO L273 TraceCheckUtils]: 30: Hoare triple {13840#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13841#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,664 INFO L273 TraceCheckUtils]: 31: Hoare triple {13841#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13842#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,665 INFO L273 TraceCheckUtils]: 32: Hoare triple {13842#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13843#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,666 INFO L273 TraceCheckUtils]: 33: Hoare triple {13843#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13844#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,667 INFO L273 TraceCheckUtils]: 34: Hoare triple {13844#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13845#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,668 INFO L273 TraceCheckUtils]: 35: Hoare triple {13845#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13846#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,669 INFO L273 TraceCheckUtils]: 36: Hoare triple {13846#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13847#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,670 INFO L273 TraceCheckUtils]: 37: Hoare triple {13847#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13848#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,671 INFO L273 TraceCheckUtils]: 38: Hoare triple {13848#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13849#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,672 INFO L273 TraceCheckUtils]: 39: Hoare triple {13849#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13850#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,673 INFO L273 TraceCheckUtils]: 40: Hoare triple {13850#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13851#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,674 INFO L273 TraceCheckUtils]: 41: Hoare triple {13851#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13852#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,675 INFO L273 TraceCheckUtils]: 42: Hoare triple {13852#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13853#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,676 INFO L273 TraceCheckUtils]: 43: Hoare triple {13853#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13854#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,677 INFO L273 TraceCheckUtils]: 44: Hoare triple {13854#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13855#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,677 INFO L273 TraceCheckUtils]: 45: Hoare triple {13855#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13856#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,678 INFO L273 TraceCheckUtils]: 46: Hoare triple {13856#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13857#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:36,679 INFO L273 TraceCheckUtils]: 47: Hoare triple {13857#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13858#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:15:36,681 INFO L273 TraceCheckUtils]: 48: Hoare triple {13858#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {13810#false} is VALID [2018-12-17 14:15:36,681 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2018-12-17 14:15:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:36,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:36,686 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:15:36,686 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:15:36,686 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:15:36,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:36,686 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:15:36,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:15:36,694 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:15:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:36,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:15:38,385 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:15:38,386 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:38,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:38,392 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:15:38,394 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:15:38,394 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_403]. (and (= (store v_ULTIMATE.start_main_~str2~6_403 22 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23)) [2018-12-17 14:15:38,394 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 22) (select ULTIMATE.start_main_~str1~6 0)) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23)) [2018-12-17 14:15:38,468 INFO L273 TraceCheckUtils]: 0: Hoare triple {13809#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,469 INFO L273 TraceCheckUtils]: 1: Hoare triple {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,470 INFO L273 TraceCheckUtils]: 2: Hoare triple {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,471 INFO L273 TraceCheckUtils]: 3: Hoare triple {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:38,472 INFO L273 TraceCheckUtils]: 4: Hoare triple {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,473 INFO L273 TraceCheckUtils]: 5: Hoare triple {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:38,474 INFO L273 TraceCheckUtils]: 6: Hoare triple {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,475 INFO L273 TraceCheckUtils]: 7: Hoare triple {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:38,476 INFO L273 TraceCheckUtils]: 8: Hoare triple {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,477 INFO L273 TraceCheckUtils]: 9: Hoare triple {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,478 INFO L273 TraceCheckUtils]: 10: Hoare triple {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,479 INFO L273 TraceCheckUtils]: 11: Hoare triple {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:38,480 INFO L273 TraceCheckUtils]: 12: Hoare triple {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,481 INFO L273 TraceCheckUtils]: 13: Hoare triple {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,482 INFO L273 TraceCheckUtils]: 14: Hoare triple {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,483 INFO L273 TraceCheckUtils]: 15: Hoare triple {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:38,484 INFO L273 TraceCheckUtils]: 16: Hoare triple {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:38,485 INFO L273 TraceCheckUtils]: 17: Hoare triple {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,486 INFO L273 TraceCheckUtils]: 18: Hoare triple {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,487 INFO L273 TraceCheckUtils]: 19: Hoare triple {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,490 INFO L273 TraceCheckUtils]: 20: Hoare triple {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,490 INFO L273 TraceCheckUtils]: 21: Hoare triple {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:38,491 INFO L273 TraceCheckUtils]: 22: Hoare triple {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:15:38,492 INFO L273 TraceCheckUtils]: 23: Hoare triple {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13932#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:15:38,492 INFO L273 TraceCheckUtils]: 24: Hoare triple {13932#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 23))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {13936#(and (= ULTIMATE.start_main_~j~6 0) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,493 INFO L273 TraceCheckUtils]: 25: Hoare triple {13936#(and (= ULTIMATE.start_main_~j~6 0) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13940#(and (= ULTIMATE.start_main_~j~6 1) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,493 INFO L273 TraceCheckUtils]: 26: Hoare triple {13940#(and (= ULTIMATE.start_main_~j~6 1) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13944#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:15:38,494 INFO L273 TraceCheckUtils]: 27: Hoare triple {13944#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13948#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,495 INFO L273 TraceCheckUtils]: 28: Hoare triple {13948#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13952#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,495 INFO L273 TraceCheckUtils]: 29: Hoare triple {13952#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13956#(and (= ULTIMATE.start_main_~j~6 5) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,496 INFO L273 TraceCheckUtils]: 30: Hoare triple {13956#(and (= ULTIMATE.start_main_~j~6 5) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13960#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:15:38,497 INFO L273 TraceCheckUtils]: 31: Hoare triple {13960#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13964#(and (= ULTIMATE.start_main_~j~6 7) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,498 INFO L273 TraceCheckUtils]: 32: Hoare triple {13964#(and (= ULTIMATE.start_main_~j~6 7) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13968#(and (= ULTIMATE.start_main_~j~6 8) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,499 INFO L273 TraceCheckUtils]: 33: Hoare triple {13968#(and (= ULTIMATE.start_main_~j~6 8) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13972#(and (= ULTIMATE.start_main_~j~6 9) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,499 INFO L273 TraceCheckUtils]: 34: Hoare triple {13972#(and (= ULTIMATE.start_main_~j~6 9) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13976#(and (= ULTIMATE.start_main_~j~6 10) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,500 INFO L273 TraceCheckUtils]: 35: Hoare triple {13976#(and (= ULTIMATE.start_main_~j~6 10) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13980#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:15:38,501 INFO L273 TraceCheckUtils]: 36: Hoare triple {13980#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13984#(and (= ULTIMATE.start_main_~j~6 12) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,502 INFO L273 TraceCheckUtils]: 37: Hoare triple {13984#(and (= ULTIMATE.start_main_~j~6 12) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13988#(and (= ULTIMATE.start_main_~j~6 13) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,503 INFO L273 TraceCheckUtils]: 38: Hoare triple {13988#(and (= ULTIMATE.start_main_~j~6 13) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13992#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,504 INFO L273 TraceCheckUtils]: 39: Hoare triple {13992#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13996#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:15:38,504 INFO L273 TraceCheckUtils]: 40: Hoare triple {13996#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14000#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,505 INFO L273 TraceCheckUtils]: 41: Hoare triple {14000#(and (<= 23 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14004#(and (= ULTIMATE.start_main_~j~6 17) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,506 INFO L273 TraceCheckUtils]: 42: Hoare triple {14004#(and (= ULTIMATE.start_main_~j~6 17) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14008#(and (= ULTIMATE.start_main_~j~6 18) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,507 INFO L273 TraceCheckUtils]: 43: Hoare triple {14008#(and (= ULTIMATE.start_main_~j~6 18) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14012#(and (= ULTIMATE.start_main_~j~6 19) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,508 INFO L273 TraceCheckUtils]: 44: Hoare triple {14012#(and (= ULTIMATE.start_main_~j~6 19) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14016#(and (= ULTIMATE.start_main_~j~6 20) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,509 INFO L273 TraceCheckUtils]: 45: Hoare triple {14016#(and (= ULTIMATE.start_main_~j~6 20) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14020#(and (= ULTIMATE.start_main_~j~6 21) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,509 INFO L273 TraceCheckUtils]: 46: Hoare triple {14020#(and (= ULTIMATE.start_main_~j~6 21) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14024#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:15:38,510 INFO L273 TraceCheckUtils]: 47: Hoare triple {14024#(and (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14028#(and (= (select ULTIMATE.start_main_~str2~6 22) (select ULTIMATE.start_main_~str1~6 0)) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} is VALID [2018-12-17 14:15:38,511 INFO L273 TraceCheckUtils]: 48: Hoare triple {14028#(and (= (select ULTIMATE.start_main_~str2~6 22) (select ULTIMATE.start_main_~str1~6 0)) (<= 23 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 23))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {13810#false} is VALID [2018-12-17 14:15:38,512 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2018-12-17 14:15:38,516 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:38,516 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:15:38,545 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:15:38,547 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:38,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:38,550 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:15:38,551 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:15:38,551 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:15:38,552 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:15:39,181 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2018-12-17 14:15:39,183 INFO L273 TraceCheckUtils]: 48: Hoare triple {13858#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {13810#false} is VALID [2018-12-17 14:15:39,184 INFO L273 TraceCheckUtils]: 47: Hoare triple {13857#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13858#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:15:39,185 INFO L273 TraceCheckUtils]: 46: Hoare triple {13856#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13857#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,186 INFO L273 TraceCheckUtils]: 45: Hoare triple {13855#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13856#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,187 INFO L273 TraceCheckUtils]: 44: Hoare triple {13854#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13855#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,188 INFO L273 TraceCheckUtils]: 43: Hoare triple {13853#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13854#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,189 INFO L273 TraceCheckUtils]: 42: Hoare triple {13852#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13853#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,189 INFO L273 TraceCheckUtils]: 41: Hoare triple {13851#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13852#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,190 INFO L273 TraceCheckUtils]: 40: Hoare triple {13850#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13851#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,191 INFO L273 TraceCheckUtils]: 39: Hoare triple {13849#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13850#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,192 INFO L273 TraceCheckUtils]: 38: Hoare triple {13848#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13849#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,193 INFO L273 TraceCheckUtils]: 37: Hoare triple {13847#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13848#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,194 INFO L273 TraceCheckUtils]: 36: Hoare triple {13846#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13847#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,195 INFO L273 TraceCheckUtils]: 35: Hoare triple {13845#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13846#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,196 INFO L273 TraceCheckUtils]: 34: Hoare triple {13844#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13845#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,197 INFO L273 TraceCheckUtils]: 33: Hoare triple {13843#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13844#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,198 INFO L273 TraceCheckUtils]: 32: Hoare triple {13842#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13843#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,199 INFO L273 TraceCheckUtils]: 31: Hoare triple {13841#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13842#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,200 INFO L273 TraceCheckUtils]: 30: Hoare triple {13840#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13841#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,201 INFO L273 TraceCheckUtils]: 29: Hoare triple {13839#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13840#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,202 INFO L273 TraceCheckUtils]: 28: Hoare triple {13838#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13839#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,203 INFO L273 TraceCheckUtils]: 27: Hoare triple {13837#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13838#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,204 INFO L273 TraceCheckUtils]: 26: Hoare triple {13836#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13837#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,205 INFO L273 TraceCheckUtils]: 25: Hoare triple {13835#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {13836#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,206 INFO L273 TraceCheckUtils]: 24: Hoare triple {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {13835#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:39,207 INFO L273 TraceCheckUtils]: 23: Hoare triple {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13834#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 23 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:39,208 INFO L273 TraceCheckUtils]: 22: Hoare triple {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13928#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:15:39,208 INFO L273 TraceCheckUtils]: 21: Hoare triple {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13832#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,209 INFO L273 TraceCheckUtils]: 20: Hoare triple {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13831#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,210 INFO L273 TraceCheckUtils]: 19: Hoare triple {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13830#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,211 INFO L273 TraceCheckUtils]: 18: Hoare triple {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13829#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,212 INFO L273 TraceCheckUtils]: 17: Hoare triple {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13828#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,213 INFO L273 TraceCheckUtils]: 16: Hoare triple {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13827#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:39,214 INFO L273 TraceCheckUtils]: 15: Hoare triple {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13826#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:39,215 INFO L273 TraceCheckUtils]: 14: Hoare triple {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13825#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,216 INFO L273 TraceCheckUtils]: 13: Hoare triple {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13824#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,217 INFO L273 TraceCheckUtils]: 12: Hoare triple {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13823#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,218 INFO L273 TraceCheckUtils]: 11: Hoare triple {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13822#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:39,219 INFO L273 TraceCheckUtils]: 10: Hoare triple {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13821#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,220 INFO L273 TraceCheckUtils]: 9: Hoare triple {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13820#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,221 INFO L273 TraceCheckUtils]: 8: Hoare triple {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13819#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,222 INFO L273 TraceCheckUtils]: 7: Hoare triple {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13818#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:39,223 INFO L273 TraceCheckUtils]: 6: Hoare triple {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13817#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,224 INFO L273 TraceCheckUtils]: 5: Hoare triple {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13816#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:39,224 INFO L273 TraceCheckUtils]: 4: Hoare triple {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13815#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,225 INFO L273 TraceCheckUtils]: 3: Hoare triple {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13814#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:39,226 INFO L273 TraceCheckUtils]: 2: Hoare triple {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13813#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,227 INFO L273 TraceCheckUtils]: 1: Hoare triple {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {13812#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,228 INFO L273 TraceCheckUtils]: 0: Hoare triple {13809#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {13811#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:39,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:15:39,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 75 [2018-12-17 14:15:39,252 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:15:39,252 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2018-12-17 14:15:39,252 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:15:39,253 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 76 states. [2018-12-17 14:15:39,324 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:39,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-12-17 14:15:39,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-12-17 14:15:39,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=5477, Unknown=0, NotChecked=0, Total=5700 [2018-12-17 14:15:39,325 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 76 states. [2018-12-17 14:15:48,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:48,554 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2018-12-17 14:15:48,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-12-17 14:15:48,555 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2018-12-17 14:15:48,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:15:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-17 14:15:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-12-17 14:15:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-17 14:15:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-12-17 14:15:48,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states and 58 transitions. [2018-12-17 14:15:48,625 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:48,626 INFO L225 Difference]: With dead ends: 78 [2018-12-17 14:15:48,626 INFO L226 Difference]: Without dead ends: 52 [2018-12-17 14:15:48,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 55 SyntacticMatches, 18 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1665 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=472, Invalid=9830, Unknown=0, NotChecked=0, Total=10302 [2018-12-17 14:15:48,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-17 14:15:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-17 14:15:49,561 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:15:49,562 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 52 states. [2018-12-17 14:15:49,562 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2018-12-17 14:15:49,562 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2018-12-17 14:15:49,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:49,563 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2018-12-17 14:15:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-12-17 14:15:49,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:49,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:49,564 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2018-12-17 14:15:49,564 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2018-12-17 14:15:49,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:49,565 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2018-12-17 14:15:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-12-17 14:15:49,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:49,566 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:49,566 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:15:49,566 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:15:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-17 14:15:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-12-17 14:15:49,567 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 50 [2018-12-17 14:15:49,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:15:49,567 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-12-17 14:15:49,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-12-17 14:15:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-12-17 14:15:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-17 14:15:49,568 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:15:49,568 INFO L402 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1, 1] [2018-12-17 14:15:49,568 INFO L423 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:15:49,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:15:49,569 INFO L82 PathProgramCache]: Analyzing trace with hash -596041908, now seen corresponding path program 35 times [2018-12-17 14:15:49,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:15:49,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:49,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:15:49,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:49,570 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:15:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:50,291 INFO L273 TraceCheckUtils]: 0: Hoare triple {14592#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,292 INFO L273 TraceCheckUtils]: 1: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,293 INFO L273 TraceCheckUtils]: 2: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,294 INFO L273 TraceCheckUtils]: 3: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,295 INFO L273 TraceCheckUtils]: 4: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,296 INFO L273 TraceCheckUtils]: 5: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,297 INFO L273 TraceCheckUtils]: 6: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,297 INFO L273 TraceCheckUtils]: 7: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,298 INFO L273 TraceCheckUtils]: 8: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,299 INFO L273 TraceCheckUtils]: 9: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,300 INFO L273 TraceCheckUtils]: 10: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,301 INFO L273 TraceCheckUtils]: 11: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,302 INFO L273 TraceCheckUtils]: 12: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,303 INFO L273 TraceCheckUtils]: 13: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,304 INFO L273 TraceCheckUtils]: 14: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,304 INFO L273 TraceCheckUtils]: 15: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,305 INFO L273 TraceCheckUtils]: 16: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,306 INFO L273 TraceCheckUtils]: 17: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,307 INFO L273 TraceCheckUtils]: 18: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,308 INFO L273 TraceCheckUtils]: 19: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,309 INFO L273 TraceCheckUtils]: 20: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,310 INFO L273 TraceCheckUtils]: 21: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,311 INFO L273 TraceCheckUtils]: 22: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,311 INFO L273 TraceCheckUtils]: 23: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,312 INFO L273 TraceCheckUtils]: 24: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:50,313 INFO L273 TraceCheckUtils]: 25: Hoare triple {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,314 INFO L273 TraceCheckUtils]: 26: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,315 INFO L273 TraceCheckUtils]: 27: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,316 INFO L273 TraceCheckUtils]: 28: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,317 INFO L273 TraceCheckUtils]: 29: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,318 INFO L273 TraceCheckUtils]: 30: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,318 INFO L273 TraceCheckUtils]: 31: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,319 INFO L273 TraceCheckUtils]: 32: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,320 INFO L273 TraceCheckUtils]: 33: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,321 INFO L273 TraceCheckUtils]: 34: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,322 INFO L273 TraceCheckUtils]: 35: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,323 INFO L273 TraceCheckUtils]: 36: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,324 INFO L273 TraceCheckUtils]: 37: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,325 INFO L273 TraceCheckUtils]: 38: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,325 INFO L273 TraceCheckUtils]: 39: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,326 INFO L273 TraceCheckUtils]: 40: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,327 INFO L273 TraceCheckUtils]: 41: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,328 INFO L273 TraceCheckUtils]: 42: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,329 INFO L273 TraceCheckUtils]: 43: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,330 INFO L273 TraceCheckUtils]: 44: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,331 INFO L273 TraceCheckUtils]: 45: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,331 INFO L273 TraceCheckUtils]: 46: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,332 INFO L273 TraceCheckUtils]: 47: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,333 INFO L273 TraceCheckUtils]: 48: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,334 INFO L273 TraceCheckUtils]: 49: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {14593#false} is VALID [2018-12-17 14:15:50,334 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2018-12-17 14:15:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:50,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:50,337 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:15:50,337 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:15:50,337 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:15:50,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:50,337 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:15:50,346 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:15:50,346 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:15:50,445 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2018-12-17 14:15:50,445 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:15:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:50,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:15:50,706 INFO L273 TraceCheckUtils]: 0: Hoare triple {14592#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,707 INFO L273 TraceCheckUtils]: 1: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,708 INFO L273 TraceCheckUtils]: 2: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,709 INFO L273 TraceCheckUtils]: 3: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,710 INFO L273 TraceCheckUtils]: 4: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,711 INFO L273 TraceCheckUtils]: 5: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,712 INFO L273 TraceCheckUtils]: 6: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,712 INFO L273 TraceCheckUtils]: 7: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,713 INFO L273 TraceCheckUtils]: 8: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,714 INFO L273 TraceCheckUtils]: 9: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,715 INFO L273 TraceCheckUtils]: 10: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,716 INFO L273 TraceCheckUtils]: 11: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,717 INFO L273 TraceCheckUtils]: 12: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,718 INFO L273 TraceCheckUtils]: 13: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,719 INFO L273 TraceCheckUtils]: 14: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,719 INFO L273 TraceCheckUtils]: 15: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,720 INFO L273 TraceCheckUtils]: 16: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,721 INFO L273 TraceCheckUtils]: 17: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,722 INFO L273 TraceCheckUtils]: 18: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,723 INFO L273 TraceCheckUtils]: 19: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,724 INFO L273 TraceCheckUtils]: 20: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,725 INFO L273 TraceCheckUtils]: 21: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,725 INFO L273 TraceCheckUtils]: 22: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,726 INFO L273 TraceCheckUtils]: 23: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,727 INFO L273 TraceCheckUtils]: 24: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:50,728 INFO L273 TraceCheckUtils]: 25: Hoare triple {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,729 INFO L273 TraceCheckUtils]: 26: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,730 INFO L273 TraceCheckUtils]: 27: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,731 INFO L273 TraceCheckUtils]: 28: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,732 INFO L273 TraceCheckUtils]: 29: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,732 INFO L273 TraceCheckUtils]: 30: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,733 INFO L273 TraceCheckUtils]: 31: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,734 INFO L273 TraceCheckUtils]: 32: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,735 INFO L273 TraceCheckUtils]: 33: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,736 INFO L273 TraceCheckUtils]: 34: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,737 INFO L273 TraceCheckUtils]: 35: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,738 INFO L273 TraceCheckUtils]: 36: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,739 INFO L273 TraceCheckUtils]: 37: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,739 INFO L273 TraceCheckUtils]: 38: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,740 INFO L273 TraceCheckUtils]: 39: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,741 INFO L273 TraceCheckUtils]: 40: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,742 INFO L273 TraceCheckUtils]: 41: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,743 INFO L273 TraceCheckUtils]: 42: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,744 INFO L273 TraceCheckUtils]: 43: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,745 INFO L273 TraceCheckUtils]: 44: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,745 INFO L273 TraceCheckUtils]: 45: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,746 INFO L273 TraceCheckUtils]: 46: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,747 INFO L273 TraceCheckUtils]: 47: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,748 INFO L273 TraceCheckUtils]: 48: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:50,749 INFO L273 TraceCheckUtils]: 49: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {14593#false} is VALID [2018-12-17 14:15:50,749 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2018-12-17 14:15:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:50,752 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:15:51,468 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2018-12-17 14:15:51,469 INFO L273 TraceCheckUtils]: 49: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {14593#false} is VALID [2018-12-17 14:15:51,470 INFO L273 TraceCheckUtils]: 48: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,470 INFO L273 TraceCheckUtils]: 47: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,471 INFO L273 TraceCheckUtils]: 46: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,471 INFO L273 TraceCheckUtils]: 45: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,472 INFO L273 TraceCheckUtils]: 44: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,472 INFO L273 TraceCheckUtils]: 43: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,473 INFO L273 TraceCheckUtils]: 42: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,474 INFO L273 TraceCheckUtils]: 41: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,475 INFO L273 TraceCheckUtils]: 40: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,476 INFO L273 TraceCheckUtils]: 39: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,477 INFO L273 TraceCheckUtils]: 38: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,477 INFO L273 TraceCheckUtils]: 37: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,478 INFO L273 TraceCheckUtils]: 36: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,479 INFO L273 TraceCheckUtils]: 35: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,480 INFO L273 TraceCheckUtils]: 34: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,481 INFO L273 TraceCheckUtils]: 33: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,482 INFO L273 TraceCheckUtils]: 32: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,483 INFO L273 TraceCheckUtils]: 31: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,483 INFO L273 TraceCheckUtils]: 30: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,484 INFO L273 TraceCheckUtils]: 29: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,485 INFO L273 TraceCheckUtils]: 28: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,486 INFO L273 TraceCheckUtils]: 27: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,487 INFO L273 TraceCheckUtils]: 26: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,488 INFO L273 TraceCheckUtils]: 25: Hoare triple {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,489 INFO L273 TraceCheckUtils]: 24: Hoare triple {14617#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14618#(<= 24 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:51,490 INFO L273 TraceCheckUtils]: 23: Hoare triple {14616#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14617#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,490 INFO L273 TraceCheckUtils]: 22: Hoare triple {14615#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14616#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,491 INFO L273 TraceCheckUtils]: 21: Hoare triple {14614#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14615#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,492 INFO L273 TraceCheckUtils]: 20: Hoare triple {14613#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14614#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,493 INFO L273 TraceCheckUtils]: 19: Hoare triple {14612#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14613#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,494 INFO L273 TraceCheckUtils]: 18: Hoare triple {14611#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14612#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,495 INFO L273 TraceCheckUtils]: 17: Hoare triple {14610#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14611#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,496 INFO L273 TraceCheckUtils]: 16: Hoare triple {14609#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14610#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,497 INFO L273 TraceCheckUtils]: 15: Hoare triple {14608#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14609#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,497 INFO L273 TraceCheckUtils]: 14: Hoare triple {14607#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14608#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,498 INFO L273 TraceCheckUtils]: 13: Hoare triple {14606#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14607#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,499 INFO L273 TraceCheckUtils]: 12: Hoare triple {14605#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14606#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,500 INFO L273 TraceCheckUtils]: 11: Hoare triple {14604#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14605#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,501 INFO L273 TraceCheckUtils]: 10: Hoare triple {14603#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14604#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,502 INFO L273 TraceCheckUtils]: 9: Hoare triple {14602#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14603#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,503 INFO L273 TraceCheckUtils]: 8: Hoare triple {14601#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14602#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,503 INFO L273 TraceCheckUtils]: 7: Hoare triple {14600#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14601#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,504 INFO L273 TraceCheckUtils]: 6: Hoare triple {14599#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14600#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,505 INFO L273 TraceCheckUtils]: 5: Hoare triple {14598#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14599#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,506 INFO L273 TraceCheckUtils]: 4: Hoare triple {14597#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14598#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,507 INFO L273 TraceCheckUtils]: 3: Hoare triple {14596#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14597#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,508 INFO L273 TraceCheckUtils]: 2: Hoare triple {14595#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14596#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,509 INFO L273 TraceCheckUtils]: 1: Hoare triple {14594#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {14595#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,509 INFO L273 TraceCheckUtils]: 0: Hoare triple {14592#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {14594#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:15:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:51,531 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:15:51,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 26 [2018-12-17 14:15:51,532 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:15:51,532 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2018-12-17 14:15:51,532 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:15:51,532 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states. [2018-12-17 14:15:51,589 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:51,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-12-17 14:15:51,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-12-17 14:15:51,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2018-12-17 14:15:51,589 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 27 states. [2018-12-17 14:15:53,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:53,239 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-12-17 14:15:53,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-17 14:15:53,240 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2018-12-17 14:15:53,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:15:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-17 14:15:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-12-17 14:15:53,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-17 14:15:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-12-17 14:15:53,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 51 states and 56 transitions. [2018-12-17 14:15:53,289 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:15:53,290 INFO L225 Difference]: With dead ends: 55 [2018-12-17 14:15:53,290 INFO L226 Difference]: Without dead ends: 53 [2018-12-17 14:15:53,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 77 SyntacticMatches, 48 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=975, Invalid=1575, Unknown=0, NotChecked=0, Total=2550 [2018-12-17 14:15:53,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-17 14:15:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-17 14:15:54,303 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:15:54,303 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2018-12-17 14:15:54,303 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2018-12-17 14:15:54,304 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2018-12-17 14:15:54,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:54,305 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2018-12-17 14:15:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-12-17 14:15:54,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:54,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:54,306 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2018-12-17 14:15:54,306 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2018-12-17 14:15:54,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:15:54,306 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2018-12-17 14:15:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-12-17 14:15:54,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:15:54,307 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:15:54,307 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:15:54,307 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:15:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-17 14:15:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-12-17 14:15:54,308 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 51 [2018-12-17 14:15:54,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:15:54,308 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-12-17 14:15:54,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-12-17 14:15:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-12-17 14:15:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-17 14:15:54,309 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:15:54,309 INFO L402 BasicCegarLoop]: trace histogram [24, 24, 1, 1, 1, 1] [2018-12-17 14:15:54,309 INFO L423 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:15:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:15:54,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1297428150, now seen corresponding path program 36 times [2018-12-17 14:15:54,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:15:54,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:54,310 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:15:54,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:15:54,311 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:15:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:56,174 INFO L273 TraceCheckUtils]: 0: Hoare triple {15286#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {15288#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,175 INFO L273 TraceCheckUtils]: 1: Hoare triple {15288#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15289#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,176 INFO L273 TraceCheckUtils]: 2: Hoare triple {15289#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15290#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,177 INFO L273 TraceCheckUtils]: 3: Hoare triple {15290#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15291#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:15:56,177 INFO L273 TraceCheckUtils]: 4: Hoare triple {15291#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15292#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,178 INFO L273 TraceCheckUtils]: 5: Hoare triple {15292#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15293#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:15:56,179 INFO L273 TraceCheckUtils]: 6: Hoare triple {15293#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15294#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,180 INFO L273 TraceCheckUtils]: 7: Hoare triple {15294#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15295#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:15:56,181 INFO L273 TraceCheckUtils]: 8: Hoare triple {15295#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15296#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,182 INFO L273 TraceCheckUtils]: 9: Hoare triple {15296#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15297#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,182 INFO L273 TraceCheckUtils]: 10: Hoare triple {15297#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15298#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,183 INFO L273 TraceCheckUtils]: 11: Hoare triple {15298#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15299#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:15:56,184 INFO L273 TraceCheckUtils]: 12: Hoare triple {15299#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15300#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,185 INFO L273 TraceCheckUtils]: 13: Hoare triple {15300#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15301#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,186 INFO L273 TraceCheckUtils]: 14: Hoare triple {15301#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15302#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,187 INFO L273 TraceCheckUtils]: 15: Hoare triple {15302#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15303#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:15:56,188 INFO L273 TraceCheckUtils]: 16: Hoare triple {15303#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15304#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:15:56,189 INFO L273 TraceCheckUtils]: 17: Hoare triple {15304#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15305#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,190 INFO L273 TraceCheckUtils]: 18: Hoare triple {15305#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15306#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,191 INFO L273 TraceCheckUtils]: 19: Hoare triple {15306#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15307#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,192 INFO L273 TraceCheckUtils]: 20: Hoare triple {15307#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15308#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,193 INFO L273 TraceCheckUtils]: 21: Hoare triple {15308#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15309#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:15:56,194 INFO L273 TraceCheckUtils]: 22: Hoare triple {15309#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15310#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:15:56,195 INFO L273 TraceCheckUtils]: 23: Hoare triple {15310#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15311#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23)))} is VALID [2018-12-17 14:15:56,196 INFO L273 TraceCheckUtils]: 24: Hoare triple {15311#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15312#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 24 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:56,197 INFO L273 TraceCheckUtils]: 25: Hoare triple {15312#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 24 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {15313#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,198 INFO L273 TraceCheckUtils]: 26: Hoare triple {15313#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15314#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,199 INFO L273 TraceCheckUtils]: 27: Hoare triple {15314#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15315#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,200 INFO L273 TraceCheckUtils]: 28: Hoare triple {15315#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15316#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,201 INFO L273 TraceCheckUtils]: 29: Hoare triple {15316#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15317#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,202 INFO L273 TraceCheckUtils]: 30: Hoare triple {15317#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15318#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,203 INFO L273 TraceCheckUtils]: 31: Hoare triple {15318#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15319#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,204 INFO L273 TraceCheckUtils]: 32: Hoare triple {15319#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15320#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,205 INFO L273 TraceCheckUtils]: 33: Hoare triple {15320#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15321#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,205 INFO L273 TraceCheckUtils]: 34: Hoare triple {15321#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15322#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,206 INFO L273 TraceCheckUtils]: 35: Hoare triple {15322#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15323#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,207 INFO L273 TraceCheckUtils]: 36: Hoare triple {15323#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15324#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,208 INFO L273 TraceCheckUtils]: 37: Hoare triple {15324#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15325#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,209 INFO L273 TraceCheckUtils]: 38: Hoare triple {15325#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15326#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,210 INFO L273 TraceCheckUtils]: 39: Hoare triple {15326#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15327#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,211 INFO L273 TraceCheckUtils]: 40: Hoare triple {15327#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15328#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,212 INFO L273 TraceCheckUtils]: 41: Hoare triple {15328#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15329#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,213 INFO L273 TraceCheckUtils]: 42: Hoare triple {15329#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15330#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,214 INFO L273 TraceCheckUtils]: 43: Hoare triple {15330#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15331#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,215 INFO L273 TraceCheckUtils]: 44: Hoare triple {15331#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15332#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,216 INFO L273 TraceCheckUtils]: 45: Hoare triple {15332#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15333#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,217 INFO L273 TraceCheckUtils]: 46: Hoare triple {15333#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15334#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,218 INFO L273 TraceCheckUtils]: 47: Hoare triple {15334#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15335#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,219 INFO L273 TraceCheckUtils]: 48: Hoare triple {15335#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15336#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:15:56,220 INFO L273 TraceCheckUtils]: 49: Hoare triple {15336#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15337#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:15:56,221 INFO L273 TraceCheckUtils]: 50: Hoare triple {15337#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {15287#false} is VALID [2018-12-17 14:15:56,221 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2018-12-17 14:15:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:15:56,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:56,226 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:15:56,226 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:15:56,226 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:15:56,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:15:56,226 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:15:56,237 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:15:56,237 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:15:56,266 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:15:56,267 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:15:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:15:56,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:15:57,928 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:15:57,929 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:57,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:57,935 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:15:57,937 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:15:57,937 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_450]. (and (<= 24 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_450 23 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25))) [2018-12-17 14:15:57,938 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 24 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 23) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25))) [2018-12-17 14:15:58,019 INFO L273 TraceCheckUtils]: 0: Hoare triple {15286#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {15286#true} is VALID [2018-12-17 14:15:58,019 INFO L273 TraceCheckUtils]: 1: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,019 INFO L273 TraceCheckUtils]: 2: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,019 INFO L273 TraceCheckUtils]: 3: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,020 INFO L273 TraceCheckUtils]: 4: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,020 INFO L273 TraceCheckUtils]: 5: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,020 INFO L273 TraceCheckUtils]: 6: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,020 INFO L273 TraceCheckUtils]: 7: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,020 INFO L273 TraceCheckUtils]: 8: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,020 INFO L273 TraceCheckUtils]: 9: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,021 INFO L273 TraceCheckUtils]: 10: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,021 INFO L273 TraceCheckUtils]: 11: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,021 INFO L273 TraceCheckUtils]: 12: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,021 INFO L273 TraceCheckUtils]: 13: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,021 INFO L273 TraceCheckUtils]: 14: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,022 INFO L273 TraceCheckUtils]: 15: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,022 INFO L273 TraceCheckUtils]: 16: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,022 INFO L273 TraceCheckUtils]: 17: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,022 INFO L273 TraceCheckUtils]: 18: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,022 INFO L273 TraceCheckUtils]: 19: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,022 INFO L273 TraceCheckUtils]: 20: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,023 INFO L273 TraceCheckUtils]: 21: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,023 INFO L273 TraceCheckUtils]: 22: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,023 INFO L273 TraceCheckUtils]: 23: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,023 INFO L273 TraceCheckUtils]: 24: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:15:58,024 INFO L273 TraceCheckUtils]: 25: Hoare triple {15286#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {15416#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:58,024 INFO L273 TraceCheckUtils]: 26: Hoare triple {15416#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15420#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:15:58,025 INFO L273 TraceCheckUtils]: 27: Hoare triple {15420#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15424#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:15:58,026 INFO L273 TraceCheckUtils]: 28: Hoare triple {15424#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:15:58,026 INFO L273 TraceCheckUtils]: 29: Hoare triple {15428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15432#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:15:58,027 INFO L273 TraceCheckUtils]: 30: Hoare triple {15432#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15436#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:15:58,028 INFO L273 TraceCheckUtils]: 31: Hoare triple {15436#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:15:58,029 INFO L273 TraceCheckUtils]: 32: Hoare triple {15440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15444#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:15:58,030 INFO L273 TraceCheckUtils]: 33: Hoare triple {15444#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:15:58,031 INFO L273 TraceCheckUtils]: 34: Hoare triple {15448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15452#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:15:58,032 INFO L273 TraceCheckUtils]: 35: Hoare triple {15452#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15456#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:15:58,033 INFO L273 TraceCheckUtils]: 36: Hoare triple {15456#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:15:58,034 INFO L273 TraceCheckUtils]: 37: Hoare triple {15460#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15464#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:15:58,035 INFO L273 TraceCheckUtils]: 38: Hoare triple {15464#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15468#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:15:58,036 INFO L273 TraceCheckUtils]: 39: Hoare triple {15468#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15472#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:15:58,037 INFO L273 TraceCheckUtils]: 40: Hoare triple {15472#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:15:58,038 INFO L273 TraceCheckUtils]: 41: Hoare triple {15476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:15:58,039 INFO L273 TraceCheckUtils]: 42: Hoare triple {15480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15484#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:15:58,040 INFO L273 TraceCheckUtils]: 43: Hoare triple {15484#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15488#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:15:58,041 INFO L273 TraceCheckUtils]: 44: Hoare triple {15488#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15492#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:15:58,042 INFO L273 TraceCheckUtils]: 45: Hoare triple {15492#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:15:58,043 INFO L273 TraceCheckUtils]: 46: Hoare triple {15496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15500#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:15:58,044 INFO L273 TraceCheckUtils]: 47: Hoare triple {15500#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15504#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:15:58,045 INFO L273 TraceCheckUtils]: 48: Hoare triple {15504#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15508#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:15:58,046 INFO L273 TraceCheckUtils]: 49: Hoare triple {15508#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15512#(and (<= 24 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 23) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:15:58,047 INFO L273 TraceCheckUtils]: 50: Hoare triple {15512#(and (<= 24 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 23) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {15287#false} is VALID [2018-12-17 14:15:58,047 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2018-12-17 14:15:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-12-17 14:15:58,051 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:15:58,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:15:58,162 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:15:58,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:15:58,174 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:16:00,263 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2018-12-17 14:16:00,264 INFO L273 TraceCheckUtils]: 50: Hoare triple {15522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {15287#false} is VALID [2018-12-17 14:16:00,265 INFO L273 TraceCheckUtils]: 49: Hoare triple {15526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,266 INFO L273 TraceCheckUtils]: 48: Hoare triple {15530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:00,267 INFO L273 TraceCheckUtils]: 47: Hoare triple {15534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:16:00,268 INFO L273 TraceCheckUtils]: 46: Hoare triple {15538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,269 INFO L273 TraceCheckUtils]: 45: Hoare triple {15542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,270 INFO L273 TraceCheckUtils]: 44: Hoare triple {15546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:16:00,272 INFO L273 TraceCheckUtils]: 43: Hoare triple {15550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:00,273 INFO L273 TraceCheckUtils]: 42: Hoare triple {15554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,274 INFO L273 TraceCheckUtils]: 41: Hoare triple {15558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,275 INFO L273 TraceCheckUtils]: 40: Hoare triple {15562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:16:00,276 INFO L273 TraceCheckUtils]: 39: Hoare triple {15566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,277 INFO L273 TraceCheckUtils]: 38: Hoare triple {15570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:16:00,278 INFO L273 TraceCheckUtils]: 37: Hoare triple {15574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,279 INFO L273 TraceCheckUtils]: 36: Hoare triple {15578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:16:00,280 INFO L273 TraceCheckUtils]: 35: Hoare triple {15582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,281 INFO L273 TraceCheckUtils]: 34: Hoare triple {15586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:16:00,282 INFO L273 TraceCheckUtils]: 33: Hoare triple {15590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:16:00,283 INFO L273 TraceCheckUtils]: 32: Hoare triple {15594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:16:00,284 INFO L273 TraceCheckUtils]: 31: Hoare triple {15598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:16:00,286 INFO L273 TraceCheckUtils]: 30: Hoare triple {15602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:16:00,287 INFO L273 TraceCheckUtils]: 29: Hoare triple {15606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:16:00,288 INFO L273 TraceCheckUtils]: 28: Hoare triple {15610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,289 INFO L273 TraceCheckUtils]: 27: Hoare triple {15614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:16:00,290 INFO L273 TraceCheckUtils]: 26: Hoare triple {15618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {15614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,291 INFO L273 TraceCheckUtils]: 25: Hoare triple {15286#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {15618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:00,291 INFO L273 TraceCheckUtils]: 24: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,291 INFO L273 TraceCheckUtils]: 23: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,291 INFO L273 TraceCheckUtils]: 22: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,292 INFO L273 TraceCheckUtils]: 21: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,292 INFO L273 TraceCheckUtils]: 20: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,292 INFO L273 TraceCheckUtils]: 19: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,292 INFO L273 TraceCheckUtils]: 18: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,292 INFO L273 TraceCheckUtils]: 17: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,293 INFO L273 TraceCheckUtils]: 16: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,293 INFO L273 TraceCheckUtils]: 15: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,293 INFO L273 TraceCheckUtils]: 14: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,293 INFO L273 TraceCheckUtils]: 13: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,293 INFO L273 TraceCheckUtils]: 12: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,293 INFO L273 TraceCheckUtils]: 11: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 10: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 9: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 8: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 7: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 6: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 5: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 4: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 3: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,294 INFO L273 TraceCheckUtils]: 2: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,295 INFO L273 TraceCheckUtils]: 1: Hoare triple {15286#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {15286#true} is VALID [2018-12-17 14:16:00,295 INFO L273 TraceCheckUtils]: 0: Hoare triple {15286#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {15286#true} is VALID [2018-12-17 14:16:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-12-17 14:16:00,316 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:16:00,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 27, 27] total 102 [2018-12-17 14:16:00,317 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:16:00,317 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2018-12-17 14:16:00,317 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:16:00,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states. [2018-12-17 14:16:00,391 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:00,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-12-17 14:16:00,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-12-17 14:16:00,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1402, Invalid=8900, Unknown=0, NotChecked=0, Total=10302 [2018-12-17 14:16:00,392 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 77 states. [2018-12-17 14:16:13,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:13,227 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2018-12-17 14:16:13,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-12-17 14:16:13,228 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2018-12-17 14:16:13,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:16:13,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-17 14:16:13,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2018-12-17 14:16:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-17 14:16:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2018-12-17 14:16:13,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 80 states and 87 transitions. [2018-12-17 14:16:13,324 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:13,325 INFO L225 Difference]: With dead ends: 83 [2018-12-17 14:16:13,326 INFO L226 Difference]: Without dead ends: 55 [2018-12-17 14:16:13,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=2275, Invalid=14755, Unknown=0, NotChecked=0, Total=17030 [2018-12-17 14:16:13,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-17 14:16:14,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-17 14:16:14,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:16:14,391 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2018-12-17 14:16:14,391 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2018-12-17 14:16:14,391 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2018-12-17 14:16:14,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:14,392 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-12-17 14:16:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-12-17 14:16:14,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:16:14,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:16:14,394 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2018-12-17 14:16:14,394 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2018-12-17 14:16:14,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:14,395 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-12-17 14:16:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-12-17 14:16:14,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:16:14,395 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:16:14,395 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:16:14,395 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:16:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-17 14:16:14,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2018-12-17 14:16:14,396 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 52 [2018-12-17 14:16:14,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:16:14,396 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2018-12-17 14:16:14,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-12-17 14:16:14,397 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-12-17 14:16:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-17 14:16:14,397 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:16:14,397 INFO L402 BasicCegarLoop]: trace histogram [25, 25, 1, 1, 1, 1] [2018-12-17 14:16:14,397 INFO L423 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:16:14,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:16:14,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1904013259, now seen corresponding path program 37 times [2018-12-17 14:16:14,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:16:14,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:16:14,398 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:16:14,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:16:14,399 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:16:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:16:16,141 INFO L273 TraceCheckUtils]: 0: Hoare triple {16135#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,143 INFO L273 TraceCheckUtils]: 1: Hoare triple {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,144 INFO L273 TraceCheckUtils]: 2: Hoare triple {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,145 INFO L273 TraceCheckUtils]: 3: Hoare triple {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:16:16,145 INFO L273 TraceCheckUtils]: 4: Hoare triple {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,146 INFO L273 TraceCheckUtils]: 5: Hoare triple {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:16:16,147 INFO L273 TraceCheckUtils]: 6: Hoare triple {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,148 INFO L273 TraceCheckUtils]: 7: Hoare triple {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:16:16,149 INFO L273 TraceCheckUtils]: 8: Hoare triple {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,150 INFO L273 TraceCheckUtils]: 9: Hoare triple {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,151 INFO L273 TraceCheckUtils]: 10: Hoare triple {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,152 INFO L273 TraceCheckUtils]: 11: Hoare triple {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:16:16,153 INFO L273 TraceCheckUtils]: 12: Hoare triple {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,154 INFO L273 TraceCheckUtils]: 13: Hoare triple {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,155 INFO L273 TraceCheckUtils]: 14: Hoare triple {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,156 INFO L273 TraceCheckUtils]: 15: Hoare triple {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:16:16,157 INFO L273 TraceCheckUtils]: 16: Hoare triple {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:16:16,158 INFO L273 TraceCheckUtils]: 17: Hoare triple {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,159 INFO L273 TraceCheckUtils]: 18: Hoare triple {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,160 INFO L273 TraceCheckUtils]: 19: Hoare triple {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,160 INFO L273 TraceCheckUtils]: 20: Hoare triple {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,161 INFO L273 TraceCheckUtils]: 21: Hoare triple {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:16,162 INFO L273 TraceCheckUtils]: 22: Hoare triple {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:16:16,163 INFO L273 TraceCheckUtils]: 23: Hoare triple {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:16:16,164 INFO L273 TraceCheckUtils]: 24: Hoare triple {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16161#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:16:16,165 INFO L273 TraceCheckUtils]: 25: Hoare triple {16161#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:16,166 INFO L273 TraceCheckUtils]: 26: Hoare triple {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {16163#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,167 INFO L273 TraceCheckUtils]: 27: Hoare triple {16163#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16164#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,168 INFO L273 TraceCheckUtils]: 28: Hoare triple {16164#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16165#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,169 INFO L273 TraceCheckUtils]: 29: Hoare triple {16165#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16166#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,170 INFO L273 TraceCheckUtils]: 30: Hoare triple {16166#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16167#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,171 INFO L273 TraceCheckUtils]: 31: Hoare triple {16167#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16168#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,172 INFO L273 TraceCheckUtils]: 32: Hoare triple {16168#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16169#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,173 INFO L273 TraceCheckUtils]: 33: Hoare triple {16169#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16170#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,174 INFO L273 TraceCheckUtils]: 34: Hoare triple {16170#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16171#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,175 INFO L273 TraceCheckUtils]: 35: Hoare triple {16171#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16172#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,176 INFO L273 TraceCheckUtils]: 36: Hoare triple {16172#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16173#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,177 INFO L273 TraceCheckUtils]: 37: Hoare triple {16173#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16174#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,178 INFO L273 TraceCheckUtils]: 38: Hoare triple {16174#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16175#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,179 INFO L273 TraceCheckUtils]: 39: Hoare triple {16175#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16176#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,180 INFO L273 TraceCheckUtils]: 40: Hoare triple {16176#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16177#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,180 INFO L273 TraceCheckUtils]: 41: Hoare triple {16177#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16178#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,200 INFO L273 TraceCheckUtils]: 42: Hoare triple {16178#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16179#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,202 INFO L273 TraceCheckUtils]: 43: Hoare triple {16179#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16180#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,203 INFO L273 TraceCheckUtils]: 44: Hoare triple {16180#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16181#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,203 INFO L273 TraceCheckUtils]: 45: Hoare triple {16181#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16182#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,204 INFO L273 TraceCheckUtils]: 46: Hoare triple {16182#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16183#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,204 INFO L273 TraceCheckUtils]: 47: Hoare triple {16183#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16184#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,205 INFO L273 TraceCheckUtils]: 48: Hoare triple {16184#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16185#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,206 INFO L273 TraceCheckUtils]: 49: Hoare triple {16185#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16186#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,207 INFO L273 TraceCheckUtils]: 50: Hoare triple {16186#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16187#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:16,208 INFO L273 TraceCheckUtils]: 51: Hoare triple {16187#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16188#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:16:16,209 INFO L273 TraceCheckUtils]: 52: Hoare triple {16188#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {16136#false} is VALID [2018-12-17 14:16:16,209 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2018-12-17 14:16:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:16:16,214 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:16:16,215 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:16:16,215 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:16:16,215 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:16:16,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:16:16,215 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:16:16,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:16:16,223 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:16:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:16:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:16:16,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:16:18,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:16:18,113 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:16:18,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:16:18,119 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:16:18,122 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:16:18,122 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_475]. (and (<= ULTIMATE.start_main_~MAX~6 25) (= (store v_ULTIMATE.start_main_~str2~6_475 24 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 25 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:16:18,122 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 24) (select ULTIMATE.start_main_~str1~6 0))) [2018-12-17 14:16:18,201 INFO L273 TraceCheckUtils]: 0: Hoare triple {16135#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,202 INFO L273 TraceCheckUtils]: 1: Hoare triple {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,203 INFO L273 TraceCheckUtils]: 2: Hoare triple {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,204 INFO L273 TraceCheckUtils]: 3: Hoare triple {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:16:18,205 INFO L273 TraceCheckUtils]: 4: Hoare triple {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,207 INFO L273 TraceCheckUtils]: 5: Hoare triple {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:16:18,208 INFO L273 TraceCheckUtils]: 6: Hoare triple {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,209 INFO L273 TraceCheckUtils]: 7: Hoare triple {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:16:18,209 INFO L273 TraceCheckUtils]: 8: Hoare triple {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,210 INFO L273 TraceCheckUtils]: 9: Hoare triple {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,210 INFO L273 TraceCheckUtils]: 10: Hoare triple {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,211 INFO L273 TraceCheckUtils]: 11: Hoare triple {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:16:18,212 INFO L273 TraceCheckUtils]: 12: Hoare triple {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,213 INFO L273 TraceCheckUtils]: 13: Hoare triple {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,214 INFO L273 TraceCheckUtils]: 14: Hoare triple {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,215 INFO L273 TraceCheckUtils]: 15: Hoare triple {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:16:18,216 INFO L273 TraceCheckUtils]: 16: Hoare triple {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:16:18,217 INFO L273 TraceCheckUtils]: 17: Hoare triple {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,218 INFO L273 TraceCheckUtils]: 18: Hoare triple {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,219 INFO L273 TraceCheckUtils]: 19: Hoare triple {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,220 INFO L273 TraceCheckUtils]: 20: Hoare triple {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,221 INFO L273 TraceCheckUtils]: 21: Hoare triple {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,222 INFO L273 TraceCheckUtils]: 22: Hoare triple {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:16:18,223 INFO L273 TraceCheckUtils]: 23: Hoare triple {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:16:18,223 INFO L273 TraceCheckUtils]: 24: Hoare triple {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:18,224 INFO L273 TraceCheckUtils]: 25: Hoare triple {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16268#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,225 INFO L273 TraceCheckUtils]: 26: Hoare triple {16268#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {16272#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 0) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,226 INFO L273 TraceCheckUtils]: 27: Hoare triple {16272#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 0) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16276#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 1) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,227 INFO L273 TraceCheckUtils]: 28: Hoare triple {16276#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 1) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16280#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:16:18,228 INFO L273 TraceCheckUtils]: 29: Hoare triple {16280#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16284#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:16:18,229 INFO L273 TraceCheckUtils]: 30: Hoare triple {16284#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16288#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 4) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,229 INFO L273 TraceCheckUtils]: 31: Hoare triple {16288#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 4) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16292#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,230 INFO L273 TraceCheckUtils]: 32: Hoare triple {16292#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16296#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:16:18,231 INFO L273 TraceCheckUtils]: 33: Hoare triple {16296#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16300#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,232 INFO L273 TraceCheckUtils]: 34: Hoare triple {16300#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16304#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 8) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,233 INFO L273 TraceCheckUtils]: 35: Hoare triple {16304#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 8) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16308#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,233 INFO L273 TraceCheckUtils]: 36: Hoare triple {16308#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16312#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,234 INFO L273 TraceCheckUtils]: 37: Hoare triple {16312#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16316#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:16:18,235 INFO L273 TraceCheckUtils]: 38: Hoare triple {16316#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16320#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,236 INFO L273 TraceCheckUtils]: 39: Hoare triple {16320#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16324#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 13) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,237 INFO L273 TraceCheckUtils]: 40: Hoare triple {16324#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 13) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16328#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 14) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,237 INFO L273 TraceCheckUtils]: 41: Hoare triple {16328#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 14) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16332#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:16:18,238 INFO L273 TraceCheckUtils]: 42: Hoare triple {16332#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16336#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 16) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,239 INFO L273 TraceCheckUtils]: 43: Hoare triple {16336#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 16) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16340#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 17) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,240 INFO L273 TraceCheckUtils]: 44: Hoare triple {16340#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 17) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16344#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 18) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,241 INFO L273 TraceCheckUtils]: 45: Hoare triple {16344#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 18) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16348#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,241 INFO L273 TraceCheckUtils]: 46: Hoare triple {16348#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16352#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 20) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,242 INFO L273 TraceCheckUtils]: 47: Hoare triple {16352#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 20) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16356#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 21) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,243 INFO L273 TraceCheckUtils]: 48: Hoare triple {16356#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 21) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16360#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:16:18,244 INFO L273 TraceCheckUtils]: 49: Hoare triple {16360#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16364#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} is VALID [2018-12-17 14:16:18,245 INFO L273 TraceCheckUtils]: 50: Hoare triple {16364#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16368#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 24) (<= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:18,246 INFO L273 TraceCheckUtils]: 51: Hoare triple {16368#(and (<= ULTIMATE.start_main_~MAX~6 25) (= ULTIMATE.start_main_~j~6 24) (<= 25 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16372#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 24) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2018-12-17 14:16:18,247 INFO L273 TraceCheckUtils]: 52: Hoare triple {16372#(and (<= ULTIMATE.start_main_~MAX~6 25) (<= 25 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 24) (select ULTIMATE.start_main_~str1~6 0)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {16136#false} is VALID [2018-12-17 14:16:18,247 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2018-12-17 14:16:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:16:18,253 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:16:18,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:16:18,283 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:16:18,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:16:18,286 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:16:18,288 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:16:18,288 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:16:18,288 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:16:19,030 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2018-12-17 14:16:19,032 INFO L273 TraceCheckUtils]: 52: Hoare triple {16188#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {16136#false} is VALID [2018-12-17 14:16:19,033 INFO L273 TraceCheckUtils]: 51: Hoare triple {16187#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16188#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:16:19,034 INFO L273 TraceCheckUtils]: 50: Hoare triple {16186#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16187#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,035 INFO L273 TraceCheckUtils]: 49: Hoare triple {16185#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16186#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,036 INFO L273 TraceCheckUtils]: 48: Hoare triple {16184#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16185#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,037 INFO L273 TraceCheckUtils]: 47: Hoare triple {16183#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16184#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,038 INFO L273 TraceCheckUtils]: 46: Hoare triple {16182#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16183#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,038 INFO L273 TraceCheckUtils]: 45: Hoare triple {16181#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16182#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,039 INFO L273 TraceCheckUtils]: 44: Hoare triple {16180#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16181#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,040 INFO L273 TraceCheckUtils]: 43: Hoare triple {16179#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16180#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,041 INFO L273 TraceCheckUtils]: 42: Hoare triple {16178#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16179#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,042 INFO L273 TraceCheckUtils]: 41: Hoare triple {16177#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16178#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,043 INFO L273 TraceCheckUtils]: 40: Hoare triple {16176#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16177#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,044 INFO L273 TraceCheckUtils]: 39: Hoare triple {16175#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16176#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,065 INFO L273 TraceCheckUtils]: 38: Hoare triple {16174#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16175#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,068 INFO L273 TraceCheckUtils]: 37: Hoare triple {16173#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16174#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,069 INFO L273 TraceCheckUtils]: 36: Hoare triple {16172#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16173#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,070 INFO L273 TraceCheckUtils]: 35: Hoare triple {16171#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16172#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,070 INFO L273 TraceCheckUtils]: 34: Hoare triple {16170#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16171#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,071 INFO L273 TraceCheckUtils]: 33: Hoare triple {16169#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16170#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,071 INFO L273 TraceCheckUtils]: 32: Hoare triple {16168#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16169#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,072 INFO L273 TraceCheckUtils]: 31: Hoare triple {16167#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16168#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,073 INFO L273 TraceCheckUtils]: 30: Hoare triple {16166#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16167#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,074 INFO L273 TraceCheckUtils]: 29: Hoare triple {16165#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16166#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,075 INFO L273 TraceCheckUtils]: 28: Hoare triple {16164#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16165#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,076 INFO L273 TraceCheckUtils]: 27: Hoare triple {16163#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16164#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,077 INFO L273 TraceCheckUtils]: 26: Hoare triple {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {16163#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:19,094 INFO L273 TraceCheckUtils]: 25: Hoare triple {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16162#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 25 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:19,111 INFO L273 TraceCheckUtils]: 24: Hoare triple {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16264#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,120 INFO L273 TraceCheckUtils]: 23: Hoare triple {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16160#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:16:19,132 INFO L273 TraceCheckUtils]: 22: Hoare triple {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16159#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:16:19,146 INFO L273 TraceCheckUtils]: 21: Hoare triple {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16158#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,155 INFO L273 TraceCheckUtils]: 20: Hoare triple {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16157#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,167 INFO L273 TraceCheckUtils]: 19: Hoare triple {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16156#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,180 INFO L273 TraceCheckUtils]: 18: Hoare triple {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16155#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,194 INFO L273 TraceCheckUtils]: 17: Hoare triple {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16154#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,208 INFO L273 TraceCheckUtils]: 16: Hoare triple {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16153#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:16:19,217 INFO L273 TraceCheckUtils]: 15: Hoare triple {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16152#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:16:19,229 INFO L273 TraceCheckUtils]: 14: Hoare triple {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16151#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,237 INFO L273 TraceCheckUtils]: 13: Hoare triple {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16150#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,246 INFO L273 TraceCheckUtils]: 12: Hoare triple {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16149#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,258 INFO L273 TraceCheckUtils]: 11: Hoare triple {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16148#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:16:19,278 INFO L273 TraceCheckUtils]: 10: Hoare triple {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16147#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,287 INFO L273 TraceCheckUtils]: 9: Hoare triple {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16146#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,292 INFO L273 TraceCheckUtils]: 8: Hoare triple {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16145#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,301 INFO L273 TraceCheckUtils]: 7: Hoare triple {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16144#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:16:19,313 INFO L273 TraceCheckUtils]: 6: Hoare triple {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16143#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,320 INFO L273 TraceCheckUtils]: 5: Hoare triple {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:16:19,321 INFO L273 TraceCheckUtils]: 4: Hoare triple {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,321 INFO L273 TraceCheckUtils]: 3: Hoare triple {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16140#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:16:19,322 INFO L273 TraceCheckUtils]: 2: Hoare triple {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16139#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,322 INFO L273 TraceCheckUtils]: 1: Hoare triple {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16138#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,323 INFO L273 TraceCheckUtils]: 0: Hoare triple {16135#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {16137#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:16:19,346 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:16:19,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 81 [2018-12-17 14:16:19,347 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:16:19,347 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2018-12-17 14:16:19,347 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:16:19,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 82 states. [2018-12-17 14:16:19,422 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:19,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-12-17 14:16:19,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-12-17 14:16:19,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=6401, Unknown=0, NotChecked=0, Total=6642 [2018-12-17 14:16:19,423 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 82 states. [2018-12-17 14:16:30,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:30,494 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2018-12-17 14:16:30,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-12-17 14:16:30,495 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2018-12-17 14:16:30,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:16:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-12-17 14:16:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2018-12-17 14:16:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-12-17 14:16:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2018-12-17 14:16:30,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 57 states and 62 transitions. [2018-12-17 14:16:30,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:30,558 INFO L225 Difference]: With dead ends: 84 [2018-12-17 14:16:30,558 INFO L226 Difference]: Without dead ends: 56 [2018-12-17 14:16:30,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 59 SyntacticMatches, 20 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=510, Invalid=11480, Unknown=0, NotChecked=0, Total=11990 [2018-12-17 14:16:30,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-17 14:16:31,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-17 14:16:31,614 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:16:31,614 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2018-12-17 14:16:31,614 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2018-12-17 14:16:31,614 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2018-12-17 14:16:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:31,615 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2018-12-17 14:16:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-12-17 14:16:31,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:16:31,616 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:16:31,616 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2018-12-17 14:16:31,616 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2018-12-17 14:16:31,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:31,618 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2018-12-17 14:16:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-12-17 14:16:31,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:16:31,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:16:31,619 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:16:31,619 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:16:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-17 14:16:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2018-12-17 14:16:31,620 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 54 [2018-12-17 14:16:31,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:16:31,620 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2018-12-17 14:16:31,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-12-17 14:16:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-12-17 14:16:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-17 14:16:31,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:16:31,620 INFO L402 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1, 1] [2018-12-17 14:16:31,621 INFO L423 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:16:31,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:16:31,621 INFO L82 PathProgramCache]: Analyzing trace with hash 488997932, now seen corresponding path program 38 times [2018-12-17 14:16:31,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:16:31,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:16:31,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:16:31,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:16:31,622 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:16:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:16:32,667 INFO L273 TraceCheckUtils]: 0: Hoare triple {16980#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,668 INFO L273 TraceCheckUtils]: 1: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,669 INFO L273 TraceCheckUtils]: 2: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,670 INFO L273 TraceCheckUtils]: 3: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,670 INFO L273 TraceCheckUtils]: 4: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,671 INFO L273 TraceCheckUtils]: 5: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,672 INFO L273 TraceCheckUtils]: 6: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,673 INFO L273 TraceCheckUtils]: 7: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,674 INFO L273 TraceCheckUtils]: 8: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,675 INFO L273 TraceCheckUtils]: 9: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,676 INFO L273 TraceCheckUtils]: 10: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,676 INFO L273 TraceCheckUtils]: 11: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,677 INFO L273 TraceCheckUtils]: 12: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,678 INFO L273 TraceCheckUtils]: 13: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,679 INFO L273 TraceCheckUtils]: 14: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,680 INFO L273 TraceCheckUtils]: 15: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,681 INFO L273 TraceCheckUtils]: 16: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,682 INFO L273 TraceCheckUtils]: 17: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,682 INFO L273 TraceCheckUtils]: 18: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,683 INFO L273 TraceCheckUtils]: 19: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,684 INFO L273 TraceCheckUtils]: 20: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,685 INFO L273 TraceCheckUtils]: 21: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,686 INFO L273 TraceCheckUtils]: 22: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,687 INFO L273 TraceCheckUtils]: 23: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,688 INFO L273 TraceCheckUtils]: 24: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,688 INFO L273 TraceCheckUtils]: 25: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,689 INFO L273 TraceCheckUtils]: 26: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:32,690 INFO L273 TraceCheckUtils]: 27: Hoare triple {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,691 INFO L273 TraceCheckUtils]: 28: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,692 INFO L273 TraceCheckUtils]: 29: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,693 INFO L273 TraceCheckUtils]: 30: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,694 INFO L273 TraceCheckUtils]: 31: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,695 INFO L273 TraceCheckUtils]: 32: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,695 INFO L273 TraceCheckUtils]: 33: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,696 INFO L273 TraceCheckUtils]: 34: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,697 INFO L273 TraceCheckUtils]: 35: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,698 INFO L273 TraceCheckUtils]: 36: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,699 INFO L273 TraceCheckUtils]: 37: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,700 INFO L273 TraceCheckUtils]: 38: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,701 INFO L273 TraceCheckUtils]: 39: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,701 INFO L273 TraceCheckUtils]: 40: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,702 INFO L273 TraceCheckUtils]: 41: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,703 INFO L273 TraceCheckUtils]: 42: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,704 INFO L273 TraceCheckUtils]: 43: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,705 INFO L273 TraceCheckUtils]: 44: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,706 INFO L273 TraceCheckUtils]: 45: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,706 INFO L273 TraceCheckUtils]: 46: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,707 INFO L273 TraceCheckUtils]: 47: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,708 INFO L273 TraceCheckUtils]: 48: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,709 INFO L273 TraceCheckUtils]: 49: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,710 INFO L273 TraceCheckUtils]: 50: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,711 INFO L273 TraceCheckUtils]: 51: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,712 INFO L273 TraceCheckUtils]: 52: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:32,712 INFO L273 TraceCheckUtils]: 53: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {16981#false} is VALID [2018-12-17 14:16:32,712 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2018-12-17 14:16:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:16:32,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:16:32,716 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:16:32,716 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:16:32,716 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:16:32,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:16:32,716 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:16:32,726 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:16:32,726 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:16:32,839 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2018-12-17 14:16:32,839 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:16:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:16:32,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:16:33,098 INFO L273 TraceCheckUtils]: 0: Hoare triple {16980#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,099 INFO L273 TraceCheckUtils]: 1: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,100 INFO L273 TraceCheckUtils]: 2: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,101 INFO L273 TraceCheckUtils]: 3: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,102 INFO L273 TraceCheckUtils]: 4: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,103 INFO L273 TraceCheckUtils]: 5: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,104 INFO L273 TraceCheckUtils]: 6: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,105 INFO L273 TraceCheckUtils]: 7: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,105 INFO L273 TraceCheckUtils]: 8: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,106 INFO L273 TraceCheckUtils]: 9: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,107 INFO L273 TraceCheckUtils]: 10: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,108 INFO L273 TraceCheckUtils]: 11: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,109 INFO L273 TraceCheckUtils]: 12: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,110 INFO L273 TraceCheckUtils]: 13: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,113 INFO L273 TraceCheckUtils]: 14: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,114 INFO L273 TraceCheckUtils]: 15: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,115 INFO L273 TraceCheckUtils]: 16: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,116 INFO L273 TraceCheckUtils]: 17: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,117 INFO L273 TraceCheckUtils]: 18: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,118 INFO L273 TraceCheckUtils]: 19: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,119 INFO L273 TraceCheckUtils]: 20: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,120 INFO L273 TraceCheckUtils]: 21: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,120 INFO L273 TraceCheckUtils]: 22: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,121 INFO L273 TraceCheckUtils]: 23: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,122 INFO L273 TraceCheckUtils]: 24: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,123 INFO L273 TraceCheckUtils]: 25: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,124 INFO L273 TraceCheckUtils]: 26: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:33,125 INFO L273 TraceCheckUtils]: 27: Hoare triple {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,126 INFO L273 TraceCheckUtils]: 28: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,126 INFO L273 TraceCheckUtils]: 29: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,127 INFO L273 TraceCheckUtils]: 30: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,128 INFO L273 TraceCheckUtils]: 31: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,129 INFO L273 TraceCheckUtils]: 32: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,130 INFO L273 TraceCheckUtils]: 33: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,131 INFO L273 TraceCheckUtils]: 34: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,132 INFO L273 TraceCheckUtils]: 35: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,132 INFO L273 TraceCheckUtils]: 36: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,133 INFO L273 TraceCheckUtils]: 37: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,134 INFO L273 TraceCheckUtils]: 38: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,135 INFO L273 TraceCheckUtils]: 39: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,136 INFO L273 TraceCheckUtils]: 40: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,137 INFO L273 TraceCheckUtils]: 41: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,137 INFO L273 TraceCheckUtils]: 42: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,138 INFO L273 TraceCheckUtils]: 43: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,139 INFO L273 TraceCheckUtils]: 44: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,140 INFO L273 TraceCheckUtils]: 45: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,141 INFO L273 TraceCheckUtils]: 46: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,142 INFO L273 TraceCheckUtils]: 47: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,143 INFO L273 TraceCheckUtils]: 48: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,143 INFO L273 TraceCheckUtils]: 49: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,144 INFO L273 TraceCheckUtils]: 50: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,145 INFO L273 TraceCheckUtils]: 51: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,146 INFO L273 TraceCheckUtils]: 52: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:33,146 INFO L273 TraceCheckUtils]: 53: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {16981#false} is VALID [2018-12-17 14:16:33,147 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2018-12-17 14:16:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:16:33,150 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:16:34,011 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2018-12-17 14:16:34,011 INFO L273 TraceCheckUtils]: 53: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {16981#false} is VALID [2018-12-17 14:16:34,012 INFO L273 TraceCheckUtils]: 52: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,013 INFO L273 TraceCheckUtils]: 51: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,013 INFO L273 TraceCheckUtils]: 50: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,014 INFO L273 TraceCheckUtils]: 49: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,014 INFO L273 TraceCheckUtils]: 48: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,015 INFO L273 TraceCheckUtils]: 47: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,016 INFO L273 TraceCheckUtils]: 46: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,017 INFO L273 TraceCheckUtils]: 45: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,018 INFO L273 TraceCheckUtils]: 44: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,019 INFO L273 TraceCheckUtils]: 43: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,020 INFO L273 TraceCheckUtils]: 42: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,020 INFO L273 TraceCheckUtils]: 41: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,021 INFO L273 TraceCheckUtils]: 40: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,022 INFO L273 TraceCheckUtils]: 39: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,023 INFO L273 TraceCheckUtils]: 38: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,024 INFO L273 TraceCheckUtils]: 37: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,025 INFO L273 TraceCheckUtils]: 36: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,026 INFO L273 TraceCheckUtils]: 35: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,026 INFO L273 TraceCheckUtils]: 34: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,027 INFO L273 TraceCheckUtils]: 33: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,028 INFO L273 TraceCheckUtils]: 32: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,029 INFO L273 TraceCheckUtils]: 31: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,030 INFO L273 TraceCheckUtils]: 30: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,031 INFO L273 TraceCheckUtils]: 29: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,031 INFO L273 TraceCheckUtils]: 28: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,032 INFO L273 TraceCheckUtils]: 27: Hoare triple {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,033 INFO L273 TraceCheckUtils]: 26: Hoare triple {17007#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17008#(<= 26 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:34,034 INFO L273 TraceCheckUtils]: 25: Hoare triple {17006#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17007#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,035 INFO L273 TraceCheckUtils]: 24: Hoare triple {17005#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17006#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,036 INFO L273 TraceCheckUtils]: 23: Hoare triple {17004#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17005#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,037 INFO L273 TraceCheckUtils]: 22: Hoare triple {17003#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17004#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,038 INFO L273 TraceCheckUtils]: 21: Hoare triple {17002#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17003#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,038 INFO L273 TraceCheckUtils]: 20: Hoare triple {17001#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17002#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,039 INFO L273 TraceCheckUtils]: 19: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17001#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,040 INFO L273 TraceCheckUtils]: 18: Hoare triple {16999#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17000#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,041 INFO L273 TraceCheckUtils]: 17: Hoare triple {16998#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,042 INFO L273 TraceCheckUtils]: 16: Hoare triple {16997#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16998#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,043 INFO L273 TraceCheckUtils]: 15: Hoare triple {16996#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16997#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,044 INFO L273 TraceCheckUtils]: 14: Hoare triple {16995#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16996#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,044 INFO L273 TraceCheckUtils]: 13: Hoare triple {16994#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16995#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,045 INFO L273 TraceCheckUtils]: 12: Hoare triple {16993#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16994#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,046 INFO L273 TraceCheckUtils]: 11: Hoare triple {16992#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16993#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,047 INFO L273 TraceCheckUtils]: 10: Hoare triple {16991#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16992#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,048 INFO L273 TraceCheckUtils]: 9: Hoare triple {16990#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16991#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,049 INFO L273 TraceCheckUtils]: 8: Hoare triple {16989#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16990#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,050 INFO L273 TraceCheckUtils]: 7: Hoare triple {16988#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16989#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,050 INFO L273 TraceCheckUtils]: 6: Hoare triple {16987#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16988#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,051 INFO L273 TraceCheckUtils]: 5: Hoare triple {16986#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16987#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,052 INFO L273 TraceCheckUtils]: 4: Hoare triple {16985#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16986#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,053 INFO L273 TraceCheckUtils]: 3: Hoare triple {16984#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16985#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,054 INFO L273 TraceCheckUtils]: 2: Hoare triple {16983#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16984#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,055 INFO L273 TraceCheckUtils]: 1: Hoare triple {16982#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16983#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,055 INFO L273 TraceCheckUtils]: 0: Hoare triple {16980#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {16982#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:16:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:16:34,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:16:34,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 28 [2018-12-17 14:16:34,078 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:16:34,079 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2018-12-17 14:16:34,079 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:16:34,079 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2018-12-17 14:16:34,141 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:34,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-12-17 14:16:34,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-12-17 14:16:34,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2018-12-17 14:16:34,142 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 29 states. [2018-12-17 14:16:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:35,974 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-12-17 14:16:35,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-12-17 14:16:35,975 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2018-12-17 14:16:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:16:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-17 14:16:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-12-17 14:16:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-12-17 14:16:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-12-17 14:16:35,977 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 60 transitions. [2018-12-17 14:16:36,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:36,023 INFO L225 Difference]: With dead ends: 59 [2018-12-17 14:16:36,024 INFO L226 Difference]: Without dead ends: 57 [2018-12-17 14:16:36,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 83 SyntacticMatches, 52 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1134, Invalid=1836, Unknown=0, NotChecked=0, Total=2970 [2018-12-17 14:16:36,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-17 14:16:37,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-17 14:16:37,134 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:16:37,134 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 57 states. [2018-12-17 14:16:37,134 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2018-12-17 14:16:37,134 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2018-12-17 14:16:37,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:37,135 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-12-17 14:16:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-12-17 14:16:37,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:16:37,136 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:16:37,136 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2018-12-17 14:16:37,136 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2018-12-17 14:16:37,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:37,137 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-12-17 14:16:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-12-17 14:16:37,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:16:37,138 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:16:37,138 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:16:37,138 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:16:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-17 14:16:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-12-17 14:16:37,139 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 55 [2018-12-17 14:16:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:16:37,139 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-12-17 14:16:37,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-12-17 14:16:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-12-17 14:16:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-17 14:16:37,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:16:37,140 INFO L402 BasicCegarLoop]: trace histogram [26, 26, 1, 1, 1, 1] [2018-12-17 14:16:37,140 INFO L423 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:16:37,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:16:37,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2020931478, now seen corresponding path program 39 times [2018-12-17 14:16:37,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:16:37,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:16:37,141 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:16:37,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:16:37,141 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:16:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:16:39,261 INFO L273 TraceCheckUtils]: 0: Hoare triple {17728#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {17730#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,262 INFO L273 TraceCheckUtils]: 1: Hoare triple {17730#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17731#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,263 INFO L273 TraceCheckUtils]: 2: Hoare triple {17731#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17732#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,264 INFO L273 TraceCheckUtils]: 3: Hoare triple {17732#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17733#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:16:39,264 INFO L273 TraceCheckUtils]: 4: Hoare triple {17733#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17734#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,265 INFO L273 TraceCheckUtils]: 5: Hoare triple {17734#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17735#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:16:39,266 INFO L273 TraceCheckUtils]: 6: Hoare triple {17735#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17736#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,267 INFO L273 TraceCheckUtils]: 7: Hoare triple {17736#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17737#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:16:39,268 INFO L273 TraceCheckUtils]: 8: Hoare triple {17737#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17738#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,269 INFO L273 TraceCheckUtils]: 9: Hoare triple {17738#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17739#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,270 INFO L273 TraceCheckUtils]: 10: Hoare triple {17739#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17740#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,271 INFO L273 TraceCheckUtils]: 11: Hoare triple {17740#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17741#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:16:39,272 INFO L273 TraceCheckUtils]: 12: Hoare triple {17741#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17742#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,273 INFO L273 TraceCheckUtils]: 13: Hoare triple {17742#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17743#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,274 INFO L273 TraceCheckUtils]: 14: Hoare triple {17743#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17744#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,275 INFO L273 TraceCheckUtils]: 15: Hoare triple {17744#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17745#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:16:39,276 INFO L273 TraceCheckUtils]: 16: Hoare triple {17745#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17746#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:16:39,277 INFO L273 TraceCheckUtils]: 17: Hoare triple {17746#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17747#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,278 INFO L273 TraceCheckUtils]: 18: Hoare triple {17747#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17748#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,278 INFO L273 TraceCheckUtils]: 19: Hoare triple {17748#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17749#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,279 INFO L273 TraceCheckUtils]: 20: Hoare triple {17749#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17750#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,280 INFO L273 TraceCheckUtils]: 21: Hoare triple {17750#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17751#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,281 INFO L273 TraceCheckUtils]: 22: Hoare triple {17751#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17752#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:16:39,282 INFO L273 TraceCheckUtils]: 23: Hoare triple {17752#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17753#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:16:39,283 INFO L273 TraceCheckUtils]: 24: Hoare triple {17753#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17754#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:39,284 INFO L273 TraceCheckUtils]: 25: Hoare triple {17754#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17755#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:16:39,285 INFO L273 TraceCheckUtils]: 26: Hoare triple {17755#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17756#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 26 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:39,286 INFO L273 TraceCheckUtils]: 27: Hoare triple {17756#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 26 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {17757#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,287 INFO L273 TraceCheckUtils]: 28: Hoare triple {17757#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17758#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,288 INFO L273 TraceCheckUtils]: 29: Hoare triple {17758#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17759#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,289 INFO L273 TraceCheckUtils]: 30: Hoare triple {17759#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17760#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,290 INFO L273 TraceCheckUtils]: 31: Hoare triple {17760#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17761#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,291 INFO L273 TraceCheckUtils]: 32: Hoare triple {17761#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17762#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,292 INFO L273 TraceCheckUtils]: 33: Hoare triple {17762#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17763#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,293 INFO L273 TraceCheckUtils]: 34: Hoare triple {17763#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17764#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,294 INFO L273 TraceCheckUtils]: 35: Hoare triple {17764#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17765#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,295 INFO L273 TraceCheckUtils]: 36: Hoare triple {17765#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17766#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,296 INFO L273 TraceCheckUtils]: 37: Hoare triple {17766#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17767#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,297 INFO L273 TraceCheckUtils]: 38: Hoare triple {17767#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17768#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,298 INFO L273 TraceCheckUtils]: 39: Hoare triple {17768#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17769#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,298 INFO L273 TraceCheckUtils]: 40: Hoare triple {17769#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17770#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,299 INFO L273 TraceCheckUtils]: 41: Hoare triple {17770#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17771#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,300 INFO L273 TraceCheckUtils]: 42: Hoare triple {17771#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17772#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,301 INFO L273 TraceCheckUtils]: 43: Hoare triple {17772#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17773#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,302 INFO L273 TraceCheckUtils]: 44: Hoare triple {17773#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17774#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,303 INFO L273 TraceCheckUtils]: 45: Hoare triple {17774#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17775#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,304 INFO L273 TraceCheckUtils]: 46: Hoare triple {17775#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17776#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,305 INFO L273 TraceCheckUtils]: 47: Hoare triple {17776#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17777#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,306 INFO L273 TraceCheckUtils]: 48: Hoare triple {17777#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17778#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,307 INFO L273 TraceCheckUtils]: 49: Hoare triple {17778#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17779#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,308 INFO L273 TraceCheckUtils]: 50: Hoare triple {17779#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17780#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,309 INFO L273 TraceCheckUtils]: 51: Hoare triple {17780#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17781#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,310 INFO L273 TraceCheckUtils]: 52: Hoare triple {17781#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17782#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:16:39,311 INFO L273 TraceCheckUtils]: 53: Hoare triple {17782#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17783#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:16:39,312 INFO L273 TraceCheckUtils]: 54: Hoare triple {17783#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {17729#false} is VALID [2018-12-17 14:16:39,312 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2018-12-17 14:16:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:16:39,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:16:39,317 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:16:39,317 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:16:39,317 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:16:39,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:16:39,317 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:16:39,326 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:16:39,326 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:16:39,359 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:16:39,360 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:16:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:16:39,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:16:41,221 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:16:41,223 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:16:41,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:16:41,230 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:16:41,232 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:16:41,233 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_526]. (and (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_526 25 (select ULTIMATE.start_main_~str1~6 0))) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27))) [2018-12-17 14:16:41,233 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 25)) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27))) [2018-12-17 14:16:41,320 INFO L273 TraceCheckUtils]: 0: Hoare triple {17728#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {17728#true} is VALID [2018-12-17 14:16:41,320 INFO L273 TraceCheckUtils]: 1: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,320 INFO L273 TraceCheckUtils]: 2: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,321 INFO L273 TraceCheckUtils]: 3: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,321 INFO L273 TraceCheckUtils]: 4: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,321 INFO L273 TraceCheckUtils]: 5: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,321 INFO L273 TraceCheckUtils]: 6: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,321 INFO L273 TraceCheckUtils]: 7: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,321 INFO L273 TraceCheckUtils]: 8: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,321 INFO L273 TraceCheckUtils]: 9: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 10: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 11: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 12: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 13: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 14: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 15: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 16: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 17: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,322 INFO L273 TraceCheckUtils]: 18: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 19: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 20: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 21: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 22: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 23: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 24: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 25: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,323 INFO L273 TraceCheckUtils]: 26: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:41,324 INFO L273 TraceCheckUtils]: 27: Hoare triple {17728#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {17868#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:41,324 INFO L273 TraceCheckUtils]: 28: Hoare triple {17868#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17872#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:16:41,325 INFO L273 TraceCheckUtils]: 29: Hoare triple {17872#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17876#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:16:41,326 INFO L273 TraceCheckUtils]: 30: Hoare triple {17876#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:16:41,326 INFO L273 TraceCheckUtils]: 31: Hoare triple {17880#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17884#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:16:41,327 INFO L273 TraceCheckUtils]: 32: Hoare triple {17884#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17888#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:41,328 INFO L273 TraceCheckUtils]: 33: Hoare triple {17888#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:16:41,329 INFO L273 TraceCheckUtils]: 34: Hoare triple {17892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17896#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:16:41,330 INFO L273 TraceCheckUtils]: 35: Hoare triple {17896#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:16:41,331 INFO L273 TraceCheckUtils]: 36: Hoare triple {17900#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17904#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:16:41,332 INFO L273 TraceCheckUtils]: 37: Hoare triple {17904#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:16:41,333 INFO L273 TraceCheckUtils]: 38: Hoare triple {17908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17912#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:16:41,334 INFO L273 TraceCheckUtils]: 39: Hoare triple {17912#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17916#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:16:41,335 INFO L273 TraceCheckUtils]: 40: Hoare triple {17916#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17920#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:16:41,336 INFO L273 TraceCheckUtils]: 41: Hoare triple {17920#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17924#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:16:41,337 INFO L273 TraceCheckUtils]: 42: Hoare triple {17924#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17928#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:16:41,338 INFO L273 TraceCheckUtils]: 43: Hoare triple {17928#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17932#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:16:41,339 INFO L273 TraceCheckUtils]: 44: Hoare triple {17932#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17936#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:16:41,340 INFO L273 TraceCheckUtils]: 45: Hoare triple {17936#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17940#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:16:41,341 INFO L273 TraceCheckUtils]: 46: Hoare triple {17940#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17944#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:16:41,342 INFO L273 TraceCheckUtils]: 47: Hoare triple {17944#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:16:41,343 INFO L273 TraceCheckUtils]: 48: Hoare triple {17948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17952#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:16:41,344 INFO L273 TraceCheckUtils]: 49: Hoare triple {17952#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17956#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:16:41,345 INFO L273 TraceCheckUtils]: 50: Hoare triple {17956#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17960#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:16:41,346 INFO L273 TraceCheckUtils]: 51: Hoare triple {17960#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17964#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:16:41,347 INFO L273 TraceCheckUtils]: 52: Hoare triple {17964#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17968#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:16:41,348 INFO L273 TraceCheckUtils]: 53: Hoare triple {17968#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17972#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 25)) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2018-12-17 14:16:41,349 INFO L273 TraceCheckUtils]: 54: Hoare triple {17972#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 25)) (<= 26 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {17729#false} is VALID [2018-12-17 14:16:41,349 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2018-12-17 14:16:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-17 14:16:41,354 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:16:41,471 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:16:41,472 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:16:41,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:16:41,484 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:16:43,763 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2018-12-17 14:16:43,765 INFO L273 TraceCheckUtils]: 54: Hoare triple {17982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {17729#false} is VALID [2018-12-17 14:16:43,766 INFO L273 TraceCheckUtils]: 53: Hoare triple {17986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,767 INFO L273 TraceCheckUtils]: 52: Hoare triple {17990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:43,768 INFO L273 TraceCheckUtils]: 51: Hoare triple {17994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:16:43,769 INFO L273 TraceCheckUtils]: 50: Hoare triple {17998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,770 INFO L273 TraceCheckUtils]: 49: Hoare triple {18002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {17998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,771 INFO L273 TraceCheckUtils]: 48: Hoare triple {18006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:16:43,772 INFO L273 TraceCheckUtils]: 47: Hoare triple {18010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:16:43,773 INFO L273 TraceCheckUtils]: 46: Hoare triple {18014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,774 INFO L273 TraceCheckUtils]: 45: Hoare triple {18018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,775 INFO L273 TraceCheckUtils]: 44: Hoare triple {18022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:16:43,776 INFO L273 TraceCheckUtils]: 43: Hoare triple {18026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,778 INFO L273 TraceCheckUtils]: 42: Hoare triple {18030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:16:43,779 INFO L273 TraceCheckUtils]: 41: Hoare triple {18034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,780 INFO L273 TraceCheckUtils]: 40: Hoare triple {18038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:16:43,781 INFO L273 TraceCheckUtils]: 39: Hoare triple {18042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,782 INFO L273 TraceCheckUtils]: 38: Hoare triple {18046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:16:43,783 INFO L273 TraceCheckUtils]: 37: Hoare triple {18050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:16:43,784 INFO L273 TraceCheckUtils]: 36: Hoare triple {18054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:16:43,785 INFO L273 TraceCheckUtils]: 35: Hoare triple {18058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:16:43,786 INFO L273 TraceCheckUtils]: 34: Hoare triple {18062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:16:43,787 INFO L273 TraceCheckUtils]: 33: Hoare triple {18066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:16:43,788 INFO L273 TraceCheckUtils]: 32: Hoare triple {18070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,789 INFO L273 TraceCheckUtils]: 31: Hoare triple {18074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:16:43,790 INFO L273 TraceCheckUtils]: 30: Hoare triple {18078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,791 INFO L273 TraceCheckUtils]: 29: Hoare triple {18082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:16:43,792 INFO L273 TraceCheckUtils]: 28: Hoare triple {18086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2018-12-17 14:16:43,793 INFO L273 TraceCheckUtils]: 27: Hoare triple {17728#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {18086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2018-12-17 14:16:43,794 INFO L273 TraceCheckUtils]: 26: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,794 INFO L273 TraceCheckUtils]: 25: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,794 INFO L273 TraceCheckUtils]: 24: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,794 INFO L273 TraceCheckUtils]: 23: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,794 INFO L273 TraceCheckUtils]: 22: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,795 INFO L273 TraceCheckUtils]: 21: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,795 INFO L273 TraceCheckUtils]: 20: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,795 INFO L273 TraceCheckUtils]: 19: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,795 INFO L273 TraceCheckUtils]: 18: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,795 INFO L273 TraceCheckUtils]: 17: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,795 INFO L273 TraceCheckUtils]: 16: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 15: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 14: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 13: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 12: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 11: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 10: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 9: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 8: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,796 INFO L273 TraceCheckUtils]: 7: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,797 INFO L273 TraceCheckUtils]: 6: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,797 INFO L273 TraceCheckUtils]: 5: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,797 INFO L273 TraceCheckUtils]: 4: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,797 INFO L273 TraceCheckUtils]: 3: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,797 INFO L273 TraceCheckUtils]: 2: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,797 INFO L273 TraceCheckUtils]: 1: Hoare triple {17728#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {17728#true} is VALID [2018-12-17 14:16:43,797 INFO L273 TraceCheckUtils]: 0: Hoare triple {17728#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {17728#true} is VALID [2018-12-17 14:16:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-17 14:16:43,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:16:43,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 29, 29] total 110 [2018-12-17 14:16:43,820 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:16:43,820 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2018-12-17 14:16:43,820 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:16:43,820 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 83 states. [2018-12-17 14:16:43,923 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:43,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-12-17 14:16:43,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-12-17 14:16:43,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1622, Invalid=10368, Unknown=0, NotChecked=0, Total=11990 [2018-12-17 14:16:43,925 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 83 states. [2018-12-17 14:16:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:16:58,896 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2018-12-17 14:16:58,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-12-17 14:16:58,896 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2018-12-17 14:16:58,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:16:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-17 14:16:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2018-12-17 14:16:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-17 14:16:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2018-12-17 14:16:58,899 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 86 states and 93 transitions. [2018-12-17 14:16:58,999 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:16:59,001 INFO L225 Difference]: With dead ends: 89 [2018-12-17 14:16:59,001 INFO L226 Difference]: Without dead ends: 59 [2018-12-17 14:16:59,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=2617, Invalid=17123, Unknown=0, NotChecked=0, Total=19740 [2018-12-17 14:16:59,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-17 14:17:00,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-17 14:17:00,188 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:17:00,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2018-12-17 14:17:00,189 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2018-12-17 14:17:00,189 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2018-12-17 14:17:00,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:00,190 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-12-17 14:17:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-12-17 14:17:00,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:00,191 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:00,191 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2018-12-17 14:17:00,191 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2018-12-17 14:17:00,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:00,192 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-12-17 14:17:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-12-17 14:17:00,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:00,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:00,193 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:17:00,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:17:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-17 14:17:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-12-17 14:17:00,194 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 56 [2018-12-17 14:17:00,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:17:00,194 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-12-17 14:17:00,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-12-17 14:17:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-12-17 14:17:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-17 14:17:00,195 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:17:00,195 INFO L402 BasicCegarLoop]: trace histogram [27, 27, 1, 1, 1, 1] [2018-12-17 14:17:00,195 INFO L423 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:17:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:17:00,195 INFO L82 PathProgramCache]: Analyzing trace with hash -190119787, now seen corresponding path program 40 times [2018-12-17 14:17:00,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:17:00,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:00,196 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:17:00,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:00,196 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:17:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:02,579 INFO L273 TraceCheckUtils]: 0: Hoare triple {18641#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,580 INFO L273 TraceCheckUtils]: 1: Hoare triple {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,581 INFO L273 TraceCheckUtils]: 2: Hoare triple {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,582 INFO L273 TraceCheckUtils]: 3: Hoare triple {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:17:02,583 INFO L273 TraceCheckUtils]: 4: Hoare triple {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,584 INFO L273 TraceCheckUtils]: 5: Hoare triple {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:17:02,585 INFO L273 TraceCheckUtils]: 6: Hoare triple {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,586 INFO L273 TraceCheckUtils]: 7: Hoare triple {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:17:02,587 INFO L273 TraceCheckUtils]: 8: Hoare triple {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,588 INFO L273 TraceCheckUtils]: 9: Hoare triple {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,589 INFO L273 TraceCheckUtils]: 10: Hoare triple {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,589 INFO L273 TraceCheckUtils]: 11: Hoare triple {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:17:02,590 INFO L273 TraceCheckUtils]: 12: Hoare triple {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,591 INFO L273 TraceCheckUtils]: 13: Hoare triple {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,592 INFO L273 TraceCheckUtils]: 14: Hoare triple {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,593 INFO L273 TraceCheckUtils]: 15: Hoare triple {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:17:02,594 INFO L273 TraceCheckUtils]: 16: Hoare triple {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:17:02,595 INFO L273 TraceCheckUtils]: 17: Hoare triple {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,596 INFO L273 TraceCheckUtils]: 18: Hoare triple {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,597 INFO L273 TraceCheckUtils]: 19: Hoare triple {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,598 INFO L273 TraceCheckUtils]: 20: Hoare triple {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,599 INFO L273 TraceCheckUtils]: 21: Hoare triple {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,600 INFO L273 TraceCheckUtils]: 22: Hoare triple {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:17:02,601 INFO L273 TraceCheckUtils]: 23: Hoare triple {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:17:02,602 INFO L273 TraceCheckUtils]: 24: Hoare triple {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,603 INFO L273 TraceCheckUtils]: 25: Hoare triple {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:02,604 INFO L273 TraceCheckUtils]: 26: Hoare triple {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18669#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:17:02,605 INFO L273 TraceCheckUtils]: 27: Hoare triple {18669#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:02,606 INFO L273 TraceCheckUtils]: 28: Hoare triple {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {18671#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,607 INFO L273 TraceCheckUtils]: 29: Hoare triple {18671#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18672#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,607 INFO L273 TraceCheckUtils]: 30: Hoare triple {18672#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18673#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,608 INFO L273 TraceCheckUtils]: 31: Hoare triple {18673#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18674#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,609 INFO L273 TraceCheckUtils]: 32: Hoare triple {18674#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18675#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,610 INFO L273 TraceCheckUtils]: 33: Hoare triple {18675#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18676#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,611 INFO L273 TraceCheckUtils]: 34: Hoare triple {18676#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18677#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,612 INFO L273 TraceCheckUtils]: 35: Hoare triple {18677#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18678#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,613 INFO L273 TraceCheckUtils]: 36: Hoare triple {18678#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18679#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,614 INFO L273 TraceCheckUtils]: 37: Hoare triple {18679#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18680#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,615 INFO L273 TraceCheckUtils]: 38: Hoare triple {18680#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18681#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,616 INFO L273 TraceCheckUtils]: 39: Hoare triple {18681#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18682#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,617 INFO L273 TraceCheckUtils]: 40: Hoare triple {18682#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18683#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,618 INFO L273 TraceCheckUtils]: 41: Hoare triple {18683#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18684#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,619 INFO L273 TraceCheckUtils]: 42: Hoare triple {18684#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18685#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,620 INFO L273 TraceCheckUtils]: 43: Hoare triple {18685#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18686#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,621 INFO L273 TraceCheckUtils]: 44: Hoare triple {18686#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18687#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,621 INFO L273 TraceCheckUtils]: 45: Hoare triple {18687#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18688#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,622 INFO L273 TraceCheckUtils]: 46: Hoare triple {18688#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18689#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,623 INFO L273 TraceCheckUtils]: 47: Hoare triple {18689#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18690#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,624 INFO L273 TraceCheckUtils]: 48: Hoare triple {18690#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,629 INFO L273 TraceCheckUtils]: 49: Hoare triple {18691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,630 INFO L273 TraceCheckUtils]: 50: Hoare triple {18692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,631 INFO L273 TraceCheckUtils]: 51: Hoare triple {18693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,631 INFO L273 TraceCheckUtils]: 52: Hoare triple {18694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,632 INFO L273 TraceCheckUtils]: 53: Hoare triple {18695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,632 INFO L273 TraceCheckUtils]: 54: Hoare triple {18696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:02,633 INFO L273 TraceCheckUtils]: 55: Hoare triple {18697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:17:02,635 INFO L273 TraceCheckUtils]: 56: Hoare triple {18698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {18642#false} is VALID [2018-12-17 14:17:02,635 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2018-12-17 14:17:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:02,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:02,642 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:17:02,642 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:17:02,642 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:17:02,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:02,642 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:17:02,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:17:02,651 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:17:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:02,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:17:04,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:17:04,840 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:17:04,846 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:17:04,846 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:17:04,848 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:17:04,848 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_553]. (and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_553 26 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:17:04,848 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 27) (= (select ULTIMATE.start_main_~str2~6 26) (select ULTIMATE.start_main_~str1~6 0)) (<= 27 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:17:04,930 INFO L273 TraceCheckUtils]: 0: Hoare triple {18641#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,931 INFO L273 TraceCheckUtils]: 1: Hoare triple {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,932 INFO L273 TraceCheckUtils]: 2: Hoare triple {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,933 INFO L273 TraceCheckUtils]: 3: Hoare triple {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:17:04,934 INFO L273 TraceCheckUtils]: 4: Hoare triple {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,935 INFO L273 TraceCheckUtils]: 5: Hoare triple {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:17:04,936 INFO L273 TraceCheckUtils]: 6: Hoare triple {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,937 INFO L273 TraceCheckUtils]: 7: Hoare triple {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:17:04,938 INFO L273 TraceCheckUtils]: 8: Hoare triple {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,939 INFO L273 TraceCheckUtils]: 9: Hoare triple {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,940 INFO L273 TraceCheckUtils]: 10: Hoare triple {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,941 INFO L273 TraceCheckUtils]: 11: Hoare triple {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:17:04,941 INFO L273 TraceCheckUtils]: 12: Hoare triple {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,942 INFO L273 TraceCheckUtils]: 13: Hoare triple {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,943 INFO L273 TraceCheckUtils]: 14: Hoare triple {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,944 INFO L273 TraceCheckUtils]: 15: Hoare triple {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:17:04,945 INFO L273 TraceCheckUtils]: 16: Hoare triple {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:17:04,946 INFO L273 TraceCheckUtils]: 17: Hoare triple {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,947 INFO L273 TraceCheckUtils]: 18: Hoare triple {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,948 INFO L273 TraceCheckUtils]: 19: Hoare triple {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,949 INFO L273 TraceCheckUtils]: 20: Hoare triple {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,950 INFO L273 TraceCheckUtils]: 21: Hoare triple {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,951 INFO L273 TraceCheckUtils]: 22: Hoare triple {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:17:04,952 INFO L273 TraceCheckUtils]: 23: Hoare triple {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:17:04,953 INFO L273 TraceCheckUtils]: 24: Hoare triple {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,954 INFO L273 TraceCheckUtils]: 25: Hoare triple {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:04,955 INFO L273 TraceCheckUtils]: 26: Hoare triple {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:17:04,955 INFO L273 TraceCheckUtils]: 27: Hoare triple {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18784#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,956 INFO L273 TraceCheckUtils]: 28: Hoare triple {18784#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {18788#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,957 INFO L273 TraceCheckUtils]: 29: Hoare triple {18788#(and (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18792#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,958 INFO L273 TraceCheckUtils]: 30: Hoare triple {18792#(and (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18796#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:17:04,959 INFO L273 TraceCheckUtils]: 31: Hoare triple {18796#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18800#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:17:04,960 INFO L273 TraceCheckUtils]: 32: Hoare triple {18800#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18804#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 4) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,960 INFO L273 TraceCheckUtils]: 33: Hoare triple {18804#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 4) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18808#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,961 INFO L273 TraceCheckUtils]: 34: Hoare triple {18808#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18812#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:17:04,962 INFO L273 TraceCheckUtils]: 35: Hoare triple {18812#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18816#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,963 INFO L273 TraceCheckUtils]: 36: Hoare triple {18816#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18820#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,964 INFO L273 TraceCheckUtils]: 37: Hoare triple {18820#(and (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18824#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,964 INFO L273 TraceCheckUtils]: 38: Hoare triple {18824#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18828#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,965 INFO L273 TraceCheckUtils]: 39: Hoare triple {18828#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18832#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:17:04,966 INFO L273 TraceCheckUtils]: 40: Hoare triple {18832#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18836#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,967 INFO L273 TraceCheckUtils]: 41: Hoare triple {18836#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18840#(and (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,967 INFO L273 TraceCheckUtils]: 42: Hoare triple {18840#(and (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18844#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 14) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,968 INFO L273 TraceCheckUtils]: 43: Hoare triple {18844#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 14) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18848#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:17:04,969 INFO L273 TraceCheckUtils]: 44: Hoare triple {18848#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18852#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 16) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,970 INFO L273 TraceCheckUtils]: 45: Hoare triple {18852#(and (<= ULTIMATE.start_main_~MAX~6 27) (= ULTIMATE.start_main_~j~6 16) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18856#(and (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,971 INFO L273 TraceCheckUtils]: 46: Hoare triple {18856#(and (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18860#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,972 INFO L273 TraceCheckUtils]: 47: Hoare triple {18860#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18864#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,973 INFO L273 TraceCheckUtils]: 48: Hoare triple {18864#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18868#(and (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,973 INFO L273 TraceCheckUtils]: 49: Hoare triple {18868#(and (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18872#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,974 INFO L273 TraceCheckUtils]: 50: Hoare triple {18872#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18876#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:17:04,975 INFO L273 TraceCheckUtils]: 51: Hoare triple {18876#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18880#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} is VALID [2018-12-17 14:17:04,976 INFO L273 TraceCheckUtils]: 52: Hoare triple {18880#(and (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18884#(and (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,977 INFO L273 TraceCheckUtils]: 53: Hoare triple {18884#(and (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18888#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,977 INFO L273 TraceCheckUtils]: 54: Hoare triple {18888#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18892#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,978 INFO L273 TraceCheckUtils]: 55: Hoare triple {18892#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18896#(and (= (select ULTIMATE.start_main_~str2~6 26) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:04,979 INFO L273 TraceCheckUtils]: 56: Hoare triple {18896#(and (= (select ULTIMATE.start_main_~str2~6 26) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 27) (<= 27 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {18642#false} is VALID [2018-12-17 14:17:04,980 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2018-12-17 14:17:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:04,986 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:17:05,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:17:05,017 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:17:05,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:17:05,021 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:17:05,023 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:17:05,023 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:17:05,023 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:17:05,879 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2018-12-17 14:17:05,880 INFO L273 TraceCheckUtils]: 56: Hoare triple {18698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {18642#false} is VALID [2018-12-17 14:17:05,881 INFO L273 TraceCheckUtils]: 55: Hoare triple {18697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18698#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:17:05,882 INFO L273 TraceCheckUtils]: 54: Hoare triple {18696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18697#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,883 INFO L273 TraceCheckUtils]: 53: Hoare triple {18695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18696#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,884 INFO L273 TraceCheckUtils]: 52: Hoare triple {18694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,885 INFO L273 TraceCheckUtils]: 51: Hoare triple {18693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,886 INFO L273 TraceCheckUtils]: 50: Hoare triple {18692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18693#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,887 INFO L273 TraceCheckUtils]: 49: Hoare triple {18691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18692#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,888 INFO L273 TraceCheckUtils]: 48: Hoare triple {18690#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18691#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,889 INFO L273 TraceCheckUtils]: 47: Hoare triple {18689#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18690#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,890 INFO L273 TraceCheckUtils]: 46: Hoare triple {18688#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18689#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,891 INFO L273 TraceCheckUtils]: 45: Hoare triple {18687#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18688#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,892 INFO L273 TraceCheckUtils]: 44: Hoare triple {18686#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18687#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,893 INFO L273 TraceCheckUtils]: 43: Hoare triple {18685#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18686#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,893 INFO L273 TraceCheckUtils]: 42: Hoare triple {18684#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18685#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,894 INFO L273 TraceCheckUtils]: 41: Hoare triple {18683#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18684#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,895 INFO L273 TraceCheckUtils]: 40: Hoare triple {18682#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18683#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,896 INFO L273 TraceCheckUtils]: 39: Hoare triple {18681#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18682#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,897 INFO L273 TraceCheckUtils]: 38: Hoare triple {18680#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18681#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,898 INFO L273 TraceCheckUtils]: 37: Hoare triple {18679#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18680#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,899 INFO L273 TraceCheckUtils]: 36: Hoare triple {18678#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18679#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,900 INFO L273 TraceCheckUtils]: 35: Hoare triple {18677#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18678#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,901 INFO L273 TraceCheckUtils]: 34: Hoare triple {18676#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18677#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,902 INFO L273 TraceCheckUtils]: 33: Hoare triple {18675#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18676#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,903 INFO L273 TraceCheckUtils]: 32: Hoare triple {18674#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18675#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,904 INFO L273 TraceCheckUtils]: 31: Hoare triple {18673#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18674#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,905 INFO L273 TraceCheckUtils]: 30: Hoare triple {18672#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18673#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,906 INFO L273 TraceCheckUtils]: 29: Hoare triple {18671#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18672#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,907 INFO L273 TraceCheckUtils]: 28: Hoare triple {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {18671#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:05,908 INFO L273 TraceCheckUtils]: 27: Hoare triple {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18670#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 27 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:05,909 INFO L273 TraceCheckUtils]: 26: Hoare triple {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18780#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:17:05,910 INFO L273 TraceCheckUtils]: 25: Hoare triple {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18668#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,910 INFO L273 TraceCheckUtils]: 24: Hoare triple {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18667#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,911 INFO L273 TraceCheckUtils]: 23: Hoare triple {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18666#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:17:05,912 INFO L273 TraceCheckUtils]: 22: Hoare triple {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18665#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:17:05,913 INFO L273 TraceCheckUtils]: 21: Hoare triple {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18664#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,914 INFO L273 TraceCheckUtils]: 20: Hoare triple {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18663#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,915 INFO L273 TraceCheckUtils]: 19: Hoare triple {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18662#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,916 INFO L273 TraceCheckUtils]: 18: Hoare triple {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18661#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,917 INFO L273 TraceCheckUtils]: 17: Hoare triple {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18660#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,918 INFO L273 TraceCheckUtils]: 16: Hoare triple {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18659#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:17:05,919 INFO L273 TraceCheckUtils]: 15: Hoare triple {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18658#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:17:05,920 INFO L273 TraceCheckUtils]: 14: Hoare triple {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18657#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,921 INFO L273 TraceCheckUtils]: 13: Hoare triple {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18656#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,922 INFO L273 TraceCheckUtils]: 12: Hoare triple {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18655#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,923 INFO L273 TraceCheckUtils]: 11: Hoare triple {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18654#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:17:05,923 INFO L273 TraceCheckUtils]: 10: Hoare triple {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18653#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,924 INFO L273 TraceCheckUtils]: 9: Hoare triple {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18652#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,925 INFO L273 TraceCheckUtils]: 8: Hoare triple {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18651#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,926 INFO L273 TraceCheckUtils]: 7: Hoare triple {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18650#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:17:05,927 INFO L273 TraceCheckUtils]: 6: Hoare triple {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18649#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,928 INFO L273 TraceCheckUtils]: 5: Hoare triple {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18648#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:17:05,929 INFO L273 TraceCheckUtils]: 4: Hoare triple {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18647#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,930 INFO L273 TraceCheckUtils]: 3: Hoare triple {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18646#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:17:05,931 INFO L273 TraceCheckUtils]: 2: Hoare triple {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18645#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,932 INFO L273 TraceCheckUtils]: 1: Hoare triple {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {18644#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,932 INFO L273 TraceCheckUtils]: 0: Hoare triple {18641#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {18643#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:05,957 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:17:05,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 87 [2018-12-17 14:17:05,957 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:17:05,957 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2018-12-17 14:17:05,957 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:17:05,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 88 states. [2018-12-17 14:17:06,049 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:17:06,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-12-17 14:17:06,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-12-17 14:17:06,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=7397, Unknown=0, NotChecked=0, Total=7656 [2018-12-17 14:17:06,050 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 88 states. [2018-12-17 14:17:19,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:19,760 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2018-12-17 14:17:19,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-12-17 14:17:19,760 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2018-12-17 14:17:19,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:17:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-12-17 14:17:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-12-17 14:17:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-12-17 14:17:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-12-17 14:17:19,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 61 states and 66 transitions. [2018-12-17 14:17:19,833 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:17:19,834 INFO L225 Difference]: With dead ends: 90 [2018-12-17 14:17:19,834 INFO L226 Difference]: Without dead ends: 60 [2018-12-17 14:17:19,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 63 SyntacticMatches, 22 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2281 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=548, Invalid=13258, Unknown=0, NotChecked=0, Total=13806 [2018-12-17 14:17:19,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-17 14:17:21,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-17 14:17:21,079 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:17:21,079 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2018-12-17 14:17:21,079 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2018-12-17 14:17:21,079 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2018-12-17 14:17:21,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:21,080 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-12-17 14:17:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-12-17 14:17:21,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:21,081 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:21,081 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2018-12-17 14:17:21,081 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2018-12-17 14:17:21,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:21,082 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-12-17 14:17:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-12-17 14:17:21,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:21,083 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:21,083 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:17:21,083 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:17:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-17 14:17:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-12-17 14:17:21,083 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 58 [2018-12-17 14:17:21,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:17:21,084 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-12-17 14:17:21,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-12-17 14:17:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-12-17 14:17:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-17 14:17:21,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:17:21,084 INFO L402 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1, 1] [2018-12-17 14:17:21,084 INFO L423 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:17:21,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:17:21,085 INFO L82 PathProgramCache]: Analyzing trace with hash -998989556, now seen corresponding path program 41 times [2018-12-17 14:17:21,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:17:21,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:21,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:17:21,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:21,086 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:17:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:21,707 INFO L273 TraceCheckUtils]: 0: Hoare triple {19548#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,707 INFO L273 TraceCheckUtils]: 1: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,708 INFO L273 TraceCheckUtils]: 2: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,709 INFO L273 TraceCheckUtils]: 3: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,710 INFO L273 TraceCheckUtils]: 4: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,711 INFO L273 TraceCheckUtils]: 5: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,712 INFO L273 TraceCheckUtils]: 6: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,713 INFO L273 TraceCheckUtils]: 7: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,714 INFO L273 TraceCheckUtils]: 8: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,714 INFO L273 TraceCheckUtils]: 9: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,715 INFO L273 TraceCheckUtils]: 10: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,716 INFO L273 TraceCheckUtils]: 11: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,717 INFO L273 TraceCheckUtils]: 12: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,718 INFO L273 TraceCheckUtils]: 13: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,719 INFO L273 TraceCheckUtils]: 14: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,720 INFO L273 TraceCheckUtils]: 15: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,720 INFO L273 TraceCheckUtils]: 16: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,721 INFO L273 TraceCheckUtils]: 17: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,722 INFO L273 TraceCheckUtils]: 18: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,723 INFO L273 TraceCheckUtils]: 19: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,724 INFO L273 TraceCheckUtils]: 20: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,725 INFO L273 TraceCheckUtils]: 21: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,726 INFO L273 TraceCheckUtils]: 22: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,726 INFO L273 TraceCheckUtils]: 23: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,727 INFO L273 TraceCheckUtils]: 24: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,728 INFO L273 TraceCheckUtils]: 25: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,729 INFO L273 TraceCheckUtils]: 26: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,730 INFO L273 TraceCheckUtils]: 27: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,731 INFO L273 TraceCheckUtils]: 28: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:21,732 INFO L273 TraceCheckUtils]: 29: Hoare triple {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,732 INFO L273 TraceCheckUtils]: 30: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,733 INFO L273 TraceCheckUtils]: 31: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,734 INFO L273 TraceCheckUtils]: 32: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,735 INFO L273 TraceCheckUtils]: 33: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,736 INFO L273 TraceCheckUtils]: 34: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,737 INFO L273 TraceCheckUtils]: 35: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,738 INFO L273 TraceCheckUtils]: 36: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,738 INFO L273 TraceCheckUtils]: 37: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,739 INFO L273 TraceCheckUtils]: 38: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,740 INFO L273 TraceCheckUtils]: 39: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,761 INFO L273 TraceCheckUtils]: 40: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,774 INFO L273 TraceCheckUtils]: 41: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,788 INFO L273 TraceCheckUtils]: 42: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,796 INFO L273 TraceCheckUtils]: 43: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,811 INFO L273 TraceCheckUtils]: 44: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,820 INFO L273 TraceCheckUtils]: 45: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,824 INFO L273 TraceCheckUtils]: 46: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,825 INFO L273 TraceCheckUtils]: 47: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,826 INFO L273 TraceCheckUtils]: 48: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,826 INFO L273 TraceCheckUtils]: 49: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,827 INFO L273 TraceCheckUtils]: 50: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,827 INFO L273 TraceCheckUtils]: 51: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,828 INFO L273 TraceCheckUtils]: 52: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,829 INFO L273 TraceCheckUtils]: 53: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,830 INFO L273 TraceCheckUtils]: 54: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,830 INFO L273 TraceCheckUtils]: 55: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,831 INFO L273 TraceCheckUtils]: 56: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:21,832 INFO L273 TraceCheckUtils]: 57: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {19549#false} is VALID [2018-12-17 14:17:21,832 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2018-12-17 14:17:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:21,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:21,836 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:17:21,836 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:17:21,837 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:17:21,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:21,837 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:17:21,847 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:17:21,847 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:17:21,978 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2018-12-17 14:17:21,978 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:17:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:22,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:17:22,309 INFO L273 TraceCheckUtils]: 0: Hoare triple {19548#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,310 INFO L273 TraceCheckUtils]: 1: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,311 INFO L273 TraceCheckUtils]: 2: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,312 INFO L273 TraceCheckUtils]: 3: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,313 INFO L273 TraceCheckUtils]: 4: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,314 INFO L273 TraceCheckUtils]: 5: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,315 INFO L273 TraceCheckUtils]: 6: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,316 INFO L273 TraceCheckUtils]: 7: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,316 INFO L273 TraceCheckUtils]: 8: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,317 INFO L273 TraceCheckUtils]: 9: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,318 INFO L273 TraceCheckUtils]: 10: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,319 INFO L273 TraceCheckUtils]: 11: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,320 INFO L273 TraceCheckUtils]: 12: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,321 INFO L273 TraceCheckUtils]: 13: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,322 INFO L273 TraceCheckUtils]: 14: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,322 INFO L273 TraceCheckUtils]: 15: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,323 INFO L273 TraceCheckUtils]: 16: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,324 INFO L273 TraceCheckUtils]: 17: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,325 INFO L273 TraceCheckUtils]: 18: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,326 INFO L273 TraceCheckUtils]: 19: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,327 INFO L273 TraceCheckUtils]: 20: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,328 INFO L273 TraceCheckUtils]: 21: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,328 INFO L273 TraceCheckUtils]: 22: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,329 INFO L273 TraceCheckUtils]: 23: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,330 INFO L273 TraceCheckUtils]: 24: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,331 INFO L273 TraceCheckUtils]: 25: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,332 INFO L273 TraceCheckUtils]: 26: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,333 INFO L273 TraceCheckUtils]: 27: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,334 INFO L273 TraceCheckUtils]: 28: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:22,335 INFO L273 TraceCheckUtils]: 29: Hoare triple {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,335 INFO L273 TraceCheckUtils]: 30: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,336 INFO L273 TraceCheckUtils]: 31: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,337 INFO L273 TraceCheckUtils]: 32: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,338 INFO L273 TraceCheckUtils]: 33: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,339 INFO L273 TraceCheckUtils]: 34: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,340 INFO L273 TraceCheckUtils]: 35: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,341 INFO L273 TraceCheckUtils]: 36: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,341 INFO L273 TraceCheckUtils]: 37: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,342 INFO L273 TraceCheckUtils]: 38: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,343 INFO L273 TraceCheckUtils]: 39: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,344 INFO L273 TraceCheckUtils]: 40: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,345 INFO L273 TraceCheckUtils]: 41: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,346 INFO L273 TraceCheckUtils]: 42: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,347 INFO L273 TraceCheckUtils]: 43: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,347 INFO L273 TraceCheckUtils]: 44: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,348 INFO L273 TraceCheckUtils]: 45: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,349 INFO L273 TraceCheckUtils]: 46: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,350 INFO L273 TraceCheckUtils]: 47: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,351 INFO L273 TraceCheckUtils]: 48: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,352 INFO L273 TraceCheckUtils]: 49: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,352 INFO L273 TraceCheckUtils]: 50: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,353 INFO L273 TraceCheckUtils]: 51: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,354 INFO L273 TraceCheckUtils]: 52: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,355 INFO L273 TraceCheckUtils]: 53: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,356 INFO L273 TraceCheckUtils]: 54: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,357 INFO L273 TraceCheckUtils]: 55: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,358 INFO L273 TraceCheckUtils]: 56: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:22,358 INFO L273 TraceCheckUtils]: 57: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {19549#false} is VALID [2018-12-17 14:17:22,358 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2018-12-17 14:17:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:22,362 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:17:23,333 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2018-12-17 14:17:23,333 INFO L273 TraceCheckUtils]: 57: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {19549#false} is VALID [2018-12-17 14:17:23,334 INFO L273 TraceCheckUtils]: 56: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,335 INFO L273 TraceCheckUtils]: 55: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,336 INFO L273 TraceCheckUtils]: 54: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,337 INFO L273 TraceCheckUtils]: 53: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,338 INFO L273 TraceCheckUtils]: 52: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,339 INFO L273 TraceCheckUtils]: 51: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,339 INFO L273 TraceCheckUtils]: 50: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,340 INFO L273 TraceCheckUtils]: 49: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,341 INFO L273 TraceCheckUtils]: 48: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,342 INFO L273 TraceCheckUtils]: 47: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,343 INFO L273 TraceCheckUtils]: 46: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,344 INFO L273 TraceCheckUtils]: 45: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,345 INFO L273 TraceCheckUtils]: 44: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,345 INFO L273 TraceCheckUtils]: 43: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,346 INFO L273 TraceCheckUtils]: 42: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,347 INFO L273 TraceCheckUtils]: 41: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,348 INFO L273 TraceCheckUtils]: 40: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,349 INFO L273 TraceCheckUtils]: 39: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,350 INFO L273 TraceCheckUtils]: 38: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,351 INFO L273 TraceCheckUtils]: 37: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,351 INFO L273 TraceCheckUtils]: 36: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,352 INFO L273 TraceCheckUtils]: 35: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,353 INFO L273 TraceCheckUtils]: 34: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,354 INFO L273 TraceCheckUtils]: 33: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,355 INFO L273 TraceCheckUtils]: 32: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,356 INFO L273 TraceCheckUtils]: 31: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,356 INFO L273 TraceCheckUtils]: 30: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,357 INFO L273 TraceCheckUtils]: 29: Hoare triple {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,358 INFO L273 TraceCheckUtils]: 28: Hoare triple {19577#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19578#(<= 28 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:23,359 INFO L273 TraceCheckUtils]: 27: Hoare triple {19576#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19577#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,360 INFO L273 TraceCheckUtils]: 26: Hoare triple {19575#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19576#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,361 INFO L273 TraceCheckUtils]: 25: Hoare triple {19574#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19575#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,362 INFO L273 TraceCheckUtils]: 24: Hoare triple {19573#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19574#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,363 INFO L273 TraceCheckUtils]: 23: Hoare triple {19572#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19573#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,363 INFO L273 TraceCheckUtils]: 22: Hoare triple {19571#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19572#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,364 INFO L273 TraceCheckUtils]: 21: Hoare triple {19570#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19571#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,365 INFO L273 TraceCheckUtils]: 20: Hoare triple {19569#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19570#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,366 INFO L273 TraceCheckUtils]: 19: Hoare triple {19568#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19569#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,367 INFO L273 TraceCheckUtils]: 18: Hoare triple {19567#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19568#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,368 INFO L273 TraceCheckUtils]: 17: Hoare triple {19566#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19567#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,369 INFO L273 TraceCheckUtils]: 16: Hoare triple {19565#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19566#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,369 INFO L273 TraceCheckUtils]: 15: Hoare triple {19564#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19565#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,370 INFO L273 TraceCheckUtils]: 14: Hoare triple {19563#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19564#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,371 INFO L273 TraceCheckUtils]: 13: Hoare triple {19562#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19563#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,372 INFO L273 TraceCheckUtils]: 12: Hoare triple {19561#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19562#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,373 INFO L273 TraceCheckUtils]: 11: Hoare triple {19560#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19561#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,374 INFO L273 TraceCheckUtils]: 10: Hoare triple {19559#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19560#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,374 INFO L273 TraceCheckUtils]: 9: Hoare triple {19558#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19559#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,375 INFO L273 TraceCheckUtils]: 8: Hoare triple {19557#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19558#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,376 INFO L273 TraceCheckUtils]: 7: Hoare triple {19556#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19557#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,377 INFO L273 TraceCheckUtils]: 6: Hoare triple {19555#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19556#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,378 INFO L273 TraceCheckUtils]: 5: Hoare triple {19554#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19555#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,379 INFO L273 TraceCheckUtils]: 4: Hoare triple {19553#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19554#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,380 INFO L273 TraceCheckUtils]: 3: Hoare triple {19552#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19553#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,380 INFO L273 TraceCheckUtils]: 2: Hoare triple {19551#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19552#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,381 INFO L273 TraceCheckUtils]: 1: Hoare triple {19550#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {19551#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,382 INFO L273 TraceCheckUtils]: 0: Hoare triple {19548#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {19550#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:17:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:23,405 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:17:23,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30 [2018-12-17 14:17:23,405 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:17:23,406 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2018-12-17 14:17:23,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:17:23,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states. [2018-12-17 14:17:23,473 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:17:23,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-12-17 14:17:23,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-12-17 14:17:23,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2018-12-17 14:17:23,474 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 31 states. [2018-12-17 14:17:25,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:25,592 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2018-12-17 14:17:25,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-12-17 14:17:25,592 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2018-12-17 14:17:25,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:17:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-17 14:17:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-12-17 14:17:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-17 14:17:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-12-17 14:17:25,594 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states and 64 transitions. [2018-12-17 14:17:25,652 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:17:25,653 INFO L225 Difference]: With dead ends: 63 [2018-12-17 14:17:25,653 INFO L226 Difference]: Without dead ends: 61 [2018-12-17 14:17:25,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 89 SyntacticMatches, 56 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1305, Invalid=2117, Unknown=0, NotChecked=0, Total=3422 [2018-12-17 14:17:25,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-17 14:17:26,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-17 14:17:26,972 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:17:26,972 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2018-12-17 14:17:26,972 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2018-12-17 14:17:26,972 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2018-12-17 14:17:26,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:26,974 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2018-12-17 14:17:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-12-17 14:17:26,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:26,975 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:26,975 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2018-12-17 14:17:26,975 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2018-12-17 14:17:26,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:26,976 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2018-12-17 14:17:26,976 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-12-17 14:17:26,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:26,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:26,977 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:17:26,977 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:17:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-17 14:17:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2018-12-17 14:17:26,978 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 59 [2018-12-17 14:17:26,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:17:26,978 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2018-12-17 14:17:26,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-12-17 14:17:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-12-17 14:17:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-17 14:17:26,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:17:26,979 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 1, 1, 1, 1] [2018-12-17 14:17:26,979 INFO L423 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:17:26,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:17:26,980 INFO L82 PathProgramCache]: Analyzing trace with hash -903903350, now seen corresponding path program 42 times [2018-12-17 14:17:26,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:17:26,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:26,980 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:17:26,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:26,980 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:17:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:29,208 INFO L273 TraceCheckUtils]: 0: Hoare triple {20350#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {20352#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,209 INFO L273 TraceCheckUtils]: 1: Hoare triple {20352#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20353#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,210 INFO L273 TraceCheckUtils]: 2: Hoare triple {20353#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20354#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,211 INFO L273 TraceCheckUtils]: 3: Hoare triple {20354#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20355#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:17:29,212 INFO L273 TraceCheckUtils]: 4: Hoare triple {20355#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20356#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,213 INFO L273 TraceCheckUtils]: 5: Hoare triple {20356#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20357#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:17:29,214 INFO L273 TraceCheckUtils]: 6: Hoare triple {20357#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20358#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,215 INFO L273 TraceCheckUtils]: 7: Hoare triple {20358#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20359#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:17:29,216 INFO L273 TraceCheckUtils]: 8: Hoare triple {20359#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20360#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,217 INFO L273 TraceCheckUtils]: 9: Hoare triple {20360#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20361#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,218 INFO L273 TraceCheckUtils]: 10: Hoare triple {20361#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20362#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,219 INFO L273 TraceCheckUtils]: 11: Hoare triple {20362#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20363#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:17:29,220 INFO L273 TraceCheckUtils]: 12: Hoare triple {20363#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20364#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,221 INFO L273 TraceCheckUtils]: 13: Hoare triple {20364#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20365#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,222 INFO L273 TraceCheckUtils]: 14: Hoare triple {20365#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20366#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,223 INFO L273 TraceCheckUtils]: 15: Hoare triple {20366#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20367#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:17:29,224 INFO L273 TraceCheckUtils]: 16: Hoare triple {20367#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20368#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:17:29,224 INFO L273 TraceCheckUtils]: 17: Hoare triple {20368#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20369#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,225 INFO L273 TraceCheckUtils]: 18: Hoare triple {20369#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20370#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,226 INFO L273 TraceCheckUtils]: 19: Hoare triple {20370#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20371#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,227 INFO L273 TraceCheckUtils]: 20: Hoare triple {20371#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20372#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,228 INFO L273 TraceCheckUtils]: 21: Hoare triple {20372#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20373#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,229 INFO L273 TraceCheckUtils]: 22: Hoare triple {20373#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20374#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:17:29,230 INFO L273 TraceCheckUtils]: 23: Hoare triple {20374#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20375#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:17:29,231 INFO L273 TraceCheckUtils]: 24: Hoare triple {20375#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20376#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,232 INFO L273 TraceCheckUtils]: 25: Hoare triple {20376#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20377#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:29,233 INFO L273 TraceCheckUtils]: 26: Hoare triple {20377#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20378#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:17:29,234 INFO L273 TraceCheckUtils]: 27: Hoare triple {20378#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20379#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:17:29,235 INFO L273 TraceCheckUtils]: 28: Hoare triple {20379#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20380#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 28 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:29,236 INFO L273 TraceCheckUtils]: 29: Hoare triple {20380#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 28 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {20381#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,237 INFO L273 TraceCheckUtils]: 30: Hoare triple {20381#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20382#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,238 INFO L273 TraceCheckUtils]: 31: Hoare triple {20382#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20383#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,239 INFO L273 TraceCheckUtils]: 32: Hoare triple {20383#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20384#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,240 INFO L273 TraceCheckUtils]: 33: Hoare triple {20384#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20385#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,241 INFO L273 TraceCheckUtils]: 34: Hoare triple {20385#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20386#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,242 INFO L273 TraceCheckUtils]: 35: Hoare triple {20386#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20387#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,243 INFO L273 TraceCheckUtils]: 36: Hoare triple {20387#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20388#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,243 INFO L273 TraceCheckUtils]: 37: Hoare triple {20388#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20389#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,244 INFO L273 TraceCheckUtils]: 38: Hoare triple {20389#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20390#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,245 INFO L273 TraceCheckUtils]: 39: Hoare triple {20390#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20391#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,246 INFO L273 TraceCheckUtils]: 40: Hoare triple {20391#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20392#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,247 INFO L273 TraceCheckUtils]: 41: Hoare triple {20392#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20393#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,248 INFO L273 TraceCheckUtils]: 42: Hoare triple {20393#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20394#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,249 INFO L273 TraceCheckUtils]: 43: Hoare triple {20394#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20395#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,250 INFO L273 TraceCheckUtils]: 44: Hoare triple {20395#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20396#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,251 INFO L273 TraceCheckUtils]: 45: Hoare triple {20396#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20397#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,252 INFO L273 TraceCheckUtils]: 46: Hoare triple {20397#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20398#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,253 INFO L273 TraceCheckUtils]: 47: Hoare triple {20398#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20399#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,254 INFO L273 TraceCheckUtils]: 48: Hoare triple {20399#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20400#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,255 INFO L273 TraceCheckUtils]: 49: Hoare triple {20400#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20401#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,256 INFO L273 TraceCheckUtils]: 50: Hoare triple {20401#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20402#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,257 INFO L273 TraceCheckUtils]: 51: Hoare triple {20402#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20403#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,257 INFO L273 TraceCheckUtils]: 52: Hoare triple {20403#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20404#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,258 INFO L273 TraceCheckUtils]: 53: Hoare triple {20404#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20405#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,259 INFO L273 TraceCheckUtils]: 54: Hoare triple {20405#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20406#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,260 INFO L273 TraceCheckUtils]: 55: Hoare triple {20406#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20407#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,261 INFO L273 TraceCheckUtils]: 56: Hoare triple {20407#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20408#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:29,262 INFO L273 TraceCheckUtils]: 57: Hoare triple {20408#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20409#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:17:29,263 INFO L273 TraceCheckUtils]: 58: Hoare triple {20409#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {20351#false} is VALID [2018-12-17 14:17:29,264 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2018-12-17 14:17:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:29,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:29,269 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:17:29,269 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:17:29,270 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:17:29,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:29,270 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:17:29,280 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:17:29,281 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:17:29,316 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:17:29,316 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:17:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:29,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:17:31,493 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:17:31,494 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:17:31,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:17:31,501 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:17:31,503 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:17:31,504 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_608]. (and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (store v_ULTIMATE.start_main_~str2~6_608 27 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:17:31,504 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (select ULTIMATE.start_main_~str2~6 27) (select ULTIMATE.start_main_~str1~6 0))) [2018-12-17 14:17:31,599 INFO L273 TraceCheckUtils]: 0: Hoare triple {20350#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {20350#true} is VALID [2018-12-17 14:17:31,599 INFO L273 TraceCheckUtils]: 1: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,599 INFO L273 TraceCheckUtils]: 2: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,599 INFO L273 TraceCheckUtils]: 3: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,599 INFO L273 TraceCheckUtils]: 4: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,600 INFO L273 TraceCheckUtils]: 5: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,600 INFO L273 TraceCheckUtils]: 6: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,600 INFO L273 TraceCheckUtils]: 7: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,600 INFO L273 TraceCheckUtils]: 8: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,600 INFO L273 TraceCheckUtils]: 9: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,600 INFO L273 TraceCheckUtils]: 10: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,600 INFO L273 TraceCheckUtils]: 11: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 12: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 13: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 14: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 15: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 16: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 17: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 18: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 19: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,601 INFO L273 TraceCheckUtils]: 20: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 21: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 22: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 23: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 24: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 25: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 26: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 27: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,602 INFO L273 TraceCheckUtils]: 28: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:31,603 INFO L273 TraceCheckUtils]: 29: Hoare triple {20350#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {20500#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:31,603 INFO L273 TraceCheckUtils]: 30: Hoare triple {20500#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20504#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:17:31,604 INFO L273 TraceCheckUtils]: 31: Hoare triple {20504#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20508#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:17:31,605 INFO L273 TraceCheckUtils]: 32: Hoare triple {20508#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20512#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:17:31,605 INFO L273 TraceCheckUtils]: 33: Hoare triple {20512#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20516#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:17:31,606 INFO L273 TraceCheckUtils]: 34: Hoare triple {20516#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20520#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:31,607 INFO L273 TraceCheckUtils]: 35: Hoare triple {20520#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:17:31,608 INFO L273 TraceCheckUtils]: 36: Hoare triple {20524#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20528#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:17:31,609 INFO L273 TraceCheckUtils]: 37: Hoare triple {20528#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20532#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:17:31,610 INFO L273 TraceCheckUtils]: 38: Hoare triple {20532#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20536#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:17:31,611 INFO L273 TraceCheckUtils]: 39: Hoare triple {20536#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:17:31,612 INFO L273 TraceCheckUtils]: 40: Hoare triple {20540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20544#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:17:31,613 INFO L273 TraceCheckUtils]: 41: Hoare triple {20544#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20548#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:17:31,614 INFO L273 TraceCheckUtils]: 42: Hoare triple {20548#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20552#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:17:31,614 INFO L273 TraceCheckUtils]: 43: Hoare triple {20552#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20556#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:17:31,615 INFO L273 TraceCheckUtils]: 44: Hoare triple {20556#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20560#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:17:31,616 INFO L273 TraceCheckUtils]: 45: Hoare triple {20560#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:17:31,617 INFO L273 TraceCheckUtils]: 46: Hoare triple {20564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20568#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:17:31,618 INFO L273 TraceCheckUtils]: 47: Hoare triple {20568#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20572#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:17:31,619 INFO L273 TraceCheckUtils]: 48: Hoare triple {20572#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20576#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:17:31,620 INFO L273 TraceCheckUtils]: 49: Hoare triple {20576#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20580#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:17:31,621 INFO L273 TraceCheckUtils]: 50: Hoare triple {20580#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20584#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:17:31,622 INFO L273 TraceCheckUtils]: 51: Hoare triple {20584#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:17:31,623 INFO L273 TraceCheckUtils]: 52: Hoare triple {20588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20592#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:17:31,624 INFO L273 TraceCheckUtils]: 53: Hoare triple {20592#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20596#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:17:31,625 INFO L273 TraceCheckUtils]: 54: Hoare triple {20596#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20600#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:17:31,626 INFO L273 TraceCheckUtils]: 55: Hoare triple {20600#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20604#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2018-12-17 14:17:31,627 INFO L273 TraceCheckUtils]: 56: Hoare triple {20604#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2018-12-17 14:17:31,628 INFO L273 TraceCheckUtils]: 57: Hoare triple {20608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20612#(and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (select ULTIMATE.start_main_~str2~6 27) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2018-12-17 14:17:31,630 INFO L273 TraceCheckUtils]: 58: Hoare triple {20612#(and (<= 28 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= (select ULTIMATE.start_main_~str2~6 27) (select ULTIMATE.start_main_~str1~6 0)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {20351#false} is VALID [2018-12-17 14:17:31,631 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2018-12-17 14:17:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2018-12-17 14:17:31,636 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:17:31,766 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:17:31,768 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:17:31,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:17:31,779 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:17:31,782 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:17:31,782 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:17:31,782 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:17:34,428 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2018-12-17 14:17:34,430 INFO L273 TraceCheckUtils]: 58: Hoare triple {20622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {20351#false} is VALID [2018-12-17 14:17:34,431 INFO L273 TraceCheckUtils]: 57: Hoare triple {20626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,432 INFO L273 TraceCheckUtils]: 56: Hoare triple {20630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:34,433 INFO L273 TraceCheckUtils]: 55: Hoare triple {20634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:17:34,434 INFO L273 TraceCheckUtils]: 54: Hoare triple {20638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,435 INFO L273 TraceCheckUtils]: 53: Hoare triple {20642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,436 INFO L273 TraceCheckUtils]: 52: Hoare triple {20646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:17:34,437 INFO L273 TraceCheckUtils]: 51: Hoare triple {20650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:34,438 INFO L273 TraceCheckUtils]: 50: Hoare triple {20654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,439 INFO L273 TraceCheckUtils]: 49: Hoare triple {20658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,440 INFO L273 TraceCheckUtils]: 48: Hoare triple {20662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:17:34,441 INFO L273 TraceCheckUtils]: 47: Hoare triple {20666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,443 INFO L273 TraceCheckUtils]: 46: Hoare triple {20670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:17:34,444 INFO L273 TraceCheckUtils]: 45: Hoare triple {20674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,445 INFO L273 TraceCheckUtils]: 44: Hoare triple {20678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:17:34,446 INFO L273 TraceCheckUtils]: 43: Hoare triple {20682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,447 INFO L273 TraceCheckUtils]: 42: Hoare triple {20686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:17:34,448 INFO L273 TraceCheckUtils]: 41: Hoare triple {20690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:17:34,449 INFO L273 TraceCheckUtils]: 40: Hoare triple {20694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:17:34,450 INFO L273 TraceCheckUtils]: 39: Hoare triple {20698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:17:34,451 INFO L273 TraceCheckUtils]: 38: Hoare triple {20702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:17:34,452 INFO L273 TraceCheckUtils]: 37: Hoare triple {20706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:17:34,453 INFO L273 TraceCheckUtils]: 36: Hoare triple {20710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,454 INFO L273 TraceCheckUtils]: 35: Hoare triple {20714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:17:34,455 INFO L273 TraceCheckUtils]: 34: Hoare triple {20718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,456 INFO L273 TraceCheckUtils]: 33: Hoare triple {20722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:34,458 INFO L273 TraceCheckUtils]: 32: Hoare triple {20726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2018-12-17 14:17:34,459 INFO L273 TraceCheckUtils]: 31: Hoare triple {20730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2018-12-17 14:17:34,460 INFO L273 TraceCheckUtils]: 30: Hoare triple {20734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {20730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2018-12-17 14:17:34,461 INFO L273 TraceCheckUtils]: 29: Hoare triple {20350#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {20734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2018-12-17 14:17:34,461 INFO L273 TraceCheckUtils]: 28: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,461 INFO L273 TraceCheckUtils]: 27: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,461 INFO L273 TraceCheckUtils]: 26: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,461 INFO L273 TraceCheckUtils]: 25: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,462 INFO L273 TraceCheckUtils]: 24: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,462 INFO L273 TraceCheckUtils]: 23: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,462 INFO L273 TraceCheckUtils]: 22: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,462 INFO L273 TraceCheckUtils]: 21: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,462 INFO L273 TraceCheckUtils]: 20: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,462 INFO L273 TraceCheckUtils]: 19: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 18: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 17: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 16: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 15: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 14: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 13: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 12: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 11: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,463 INFO L273 TraceCheckUtils]: 10: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 9: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 8: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 7: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 6: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 5: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 4: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 3: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 2: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 1: Hoare triple {20350#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {20350#true} is VALID [2018-12-17 14:17:34,464 INFO L273 TraceCheckUtils]: 0: Hoare triple {20350#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {20350#true} is VALID [2018-12-17 14:17:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2018-12-17 14:17:34,488 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:17:34,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 31, 31] total 118 [2018-12-17 14:17:34,488 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:17:34,489 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2018-12-17 14:17:34,489 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:17:34,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 89 states. [2018-12-17 14:17:34,570 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:17:34,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-12-17 14:17:34,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-12-17 14:17:34,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1858, Invalid=11948, Unknown=0, NotChecked=0, Total=13806 [2018-12-17 14:17:34,572 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 89 states. [2018-12-17 14:17:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:50,681 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2018-12-17 14:17:50,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-12-17 14:17:50,682 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2018-12-17 14:17:50,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:17:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-17 14:17:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2018-12-17 14:17:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-17 14:17:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2018-12-17 14:17:50,684 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 92 states and 99 transitions. [2018-12-17 14:17:50,788 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:17:50,789 INFO L225 Difference]: With dead ends: 95 [2018-12-17 14:17:50,789 INFO L226 Difference]: Without dead ends: 63 [2018-12-17 14:17:50,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=2983, Invalid=19667, Unknown=0, NotChecked=0, Total=22650 [2018-12-17 14:17:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-17 14:17:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-17 14:17:52,170 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:17:52,170 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 63 states. [2018-12-17 14:17:52,171 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2018-12-17 14:17:52,171 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2018-12-17 14:17:52,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:52,172 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2018-12-17 14:17:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-12-17 14:17:52,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:52,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:52,173 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2018-12-17 14:17:52,173 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2018-12-17 14:17:52,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:17:52,174 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2018-12-17 14:17:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-12-17 14:17:52,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:17:52,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:17:52,174 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:17:52,174 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:17:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-17 14:17:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2018-12-17 14:17:52,175 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 60 [2018-12-17 14:17:52,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:17:52,176 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2018-12-17 14:17:52,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-12-17 14:17:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-12-17 14:17:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-17 14:17:52,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:17:52,176 INFO L402 BasicCegarLoop]: trace histogram [29, 29, 1, 1, 1, 1] [2018-12-17 14:17:52,176 INFO L423 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:17:52,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:17:52,177 INFO L82 PathProgramCache]: Analyzing trace with hash -228988683, now seen corresponding path program 43 times [2018-12-17 14:17:52,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:17:52,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:52,177 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:17:52,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:17:52,178 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:17:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:54,481 INFO L273 TraceCheckUtils]: 0: Hoare triple {21327#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,482 INFO L273 TraceCheckUtils]: 1: Hoare triple {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,483 INFO L273 TraceCheckUtils]: 2: Hoare triple {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,484 INFO L273 TraceCheckUtils]: 3: Hoare triple {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:17:54,485 INFO L273 TraceCheckUtils]: 4: Hoare triple {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,486 INFO L273 TraceCheckUtils]: 5: Hoare triple {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:17:54,487 INFO L273 TraceCheckUtils]: 6: Hoare triple {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,488 INFO L273 TraceCheckUtils]: 7: Hoare triple {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:17:54,488 INFO L273 TraceCheckUtils]: 8: Hoare triple {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,489 INFO L273 TraceCheckUtils]: 9: Hoare triple {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,490 INFO L273 TraceCheckUtils]: 10: Hoare triple {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,491 INFO L273 TraceCheckUtils]: 11: Hoare triple {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:17:54,492 INFO L273 TraceCheckUtils]: 12: Hoare triple {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,493 INFO L273 TraceCheckUtils]: 13: Hoare triple {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,494 INFO L273 TraceCheckUtils]: 14: Hoare triple {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,495 INFO L273 TraceCheckUtils]: 15: Hoare triple {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:17:54,496 INFO L273 TraceCheckUtils]: 16: Hoare triple {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:17:54,497 INFO L273 TraceCheckUtils]: 17: Hoare triple {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,498 INFO L273 TraceCheckUtils]: 18: Hoare triple {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,499 INFO L273 TraceCheckUtils]: 19: Hoare triple {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,500 INFO L273 TraceCheckUtils]: 20: Hoare triple {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,501 INFO L273 TraceCheckUtils]: 21: Hoare triple {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,502 INFO L273 TraceCheckUtils]: 22: Hoare triple {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:17:54,502 INFO L273 TraceCheckUtils]: 23: Hoare triple {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:17:54,503 INFO L273 TraceCheckUtils]: 24: Hoare triple {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,504 INFO L273 TraceCheckUtils]: 25: Hoare triple {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,505 INFO L273 TraceCheckUtils]: 26: Hoare triple {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:17:54,506 INFO L273 TraceCheckUtils]: 27: Hoare triple {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:54,507 INFO L273 TraceCheckUtils]: 28: Hoare triple {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21357#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:17:54,508 INFO L273 TraceCheckUtils]: 29: Hoare triple {21357#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:54,509 INFO L273 TraceCheckUtils]: 30: Hoare triple {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {21359#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,510 INFO L273 TraceCheckUtils]: 31: Hoare triple {21359#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21360#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,511 INFO L273 TraceCheckUtils]: 32: Hoare triple {21360#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21361#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,512 INFO L273 TraceCheckUtils]: 33: Hoare triple {21361#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21362#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,513 INFO L273 TraceCheckUtils]: 34: Hoare triple {21362#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21363#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,514 INFO L273 TraceCheckUtils]: 35: Hoare triple {21363#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21364#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,515 INFO L273 TraceCheckUtils]: 36: Hoare triple {21364#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21365#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,516 INFO L273 TraceCheckUtils]: 37: Hoare triple {21365#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21366#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,517 INFO L273 TraceCheckUtils]: 38: Hoare triple {21366#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21367#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,518 INFO L273 TraceCheckUtils]: 39: Hoare triple {21367#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21368#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,519 INFO L273 TraceCheckUtils]: 40: Hoare triple {21368#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21369#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,520 INFO L273 TraceCheckUtils]: 41: Hoare triple {21369#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21370#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,521 INFO L273 TraceCheckUtils]: 42: Hoare triple {21370#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21371#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,521 INFO L273 TraceCheckUtils]: 43: Hoare triple {21371#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21372#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,522 INFO L273 TraceCheckUtils]: 44: Hoare triple {21372#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21373#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,523 INFO L273 TraceCheckUtils]: 45: Hoare triple {21373#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21374#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,524 INFO L273 TraceCheckUtils]: 46: Hoare triple {21374#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21375#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,525 INFO L273 TraceCheckUtils]: 47: Hoare triple {21375#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21376#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,526 INFO L273 TraceCheckUtils]: 48: Hoare triple {21376#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21377#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,527 INFO L273 TraceCheckUtils]: 49: Hoare triple {21377#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21378#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,528 INFO L273 TraceCheckUtils]: 50: Hoare triple {21378#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21379#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,529 INFO L273 TraceCheckUtils]: 51: Hoare triple {21379#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21380#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,530 INFO L273 TraceCheckUtils]: 52: Hoare triple {21380#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21381#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,531 INFO L273 TraceCheckUtils]: 53: Hoare triple {21381#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21382#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,532 INFO L273 TraceCheckUtils]: 54: Hoare triple {21382#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21383#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,533 INFO L273 TraceCheckUtils]: 55: Hoare triple {21383#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21384#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,534 INFO L273 TraceCheckUtils]: 56: Hoare triple {21384#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21385#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,535 INFO L273 TraceCheckUtils]: 57: Hoare triple {21385#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21386#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,536 INFO L273 TraceCheckUtils]: 58: Hoare triple {21386#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21387#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:54,536 INFO L273 TraceCheckUtils]: 59: Hoare triple {21387#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21388#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:17:54,538 INFO L273 TraceCheckUtils]: 60: Hoare triple {21388#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {21328#false} is VALID [2018-12-17 14:17:54,538 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2018-12-17 14:17:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:54,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:54,544 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:17:54,544 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:17:54,544 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:17:54,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:17:54,544 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:17:54,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:17:54,552 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:17:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:17:54,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:17:57,083 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:17:57,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:17:57,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:17:57,089 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:17:57,092 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:17:57,092 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_637]. (and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_637 28 (select ULTIMATE.start_main_~str1~6 0))) (<= ULTIMATE.start_main_~MAX~6 29)) [2018-12-17 14:17:57,092 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 29 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 28) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 29)) [2018-12-17 14:17:57,181 INFO L273 TraceCheckUtils]: 0: Hoare triple {21327#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,182 INFO L273 TraceCheckUtils]: 1: Hoare triple {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,183 INFO L273 TraceCheckUtils]: 2: Hoare triple {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,184 INFO L273 TraceCheckUtils]: 3: Hoare triple {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:17:57,185 INFO L273 TraceCheckUtils]: 4: Hoare triple {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,186 INFO L273 TraceCheckUtils]: 5: Hoare triple {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:17:57,187 INFO L273 TraceCheckUtils]: 6: Hoare triple {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,188 INFO L273 TraceCheckUtils]: 7: Hoare triple {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:17:57,189 INFO L273 TraceCheckUtils]: 8: Hoare triple {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,189 INFO L273 TraceCheckUtils]: 9: Hoare triple {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,190 INFO L273 TraceCheckUtils]: 10: Hoare triple {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,191 INFO L273 TraceCheckUtils]: 11: Hoare triple {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:17:57,192 INFO L273 TraceCheckUtils]: 12: Hoare triple {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,193 INFO L273 TraceCheckUtils]: 13: Hoare triple {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,194 INFO L273 TraceCheckUtils]: 14: Hoare triple {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,195 INFO L273 TraceCheckUtils]: 15: Hoare triple {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:17:57,196 INFO L273 TraceCheckUtils]: 16: Hoare triple {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:17:57,197 INFO L273 TraceCheckUtils]: 17: Hoare triple {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,198 INFO L273 TraceCheckUtils]: 18: Hoare triple {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,199 INFO L273 TraceCheckUtils]: 19: Hoare triple {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,200 INFO L273 TraceCheckUtils]: 20: Hoare triple {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,201 INFO L273 TraceCheckUtils]: 21: Hoare triple {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,202 INFO L273 TraceCheckUtils]: 22: Hoare triple {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:17:57,203 INFO L273 TraceCheckUtils]: 23: Hoare triple {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:17:57,204 INFO L273 TraceCheckUtils]: 24: Hoare triple {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,204 INFO L273 TraceCheckUtils]: 25: Hoare triple {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,205 INFO L273 TraceCheckUtils]: 26: Hoare triple {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:17:57,206 INFO L273 TraceCheckUtils]: 27: Hoare triple {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,207 INFO L273 TraceCheckUtils]: 28: Hoare triple {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:57,208 INFO L273 TraceCheckUtils]: 29: Hoare triple {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21480#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:17:57,209 INFO L273 TraceCheckUtils]: 30: Hoare triple {21480#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 29))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {21484#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,210 INFO L273 TraceCheckUtils]: 31: Hoare triple {21484#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21488#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,211 INFO L273 TraceCheckUtils]: 32: Hoare triple {21488#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21492#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,211 INFO L273 TraceCheckUtils]: 33: Hoare triple {21492#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21496#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,212 INFO L273 TraceCheckUtils]: 34: Hoare triple {21496#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21500#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,213 INFO L273 TraceCheckUtils]: 35: Hoare triple {21500#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21504#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,214 INFO L273 TraceCheckUtils]: 36: Hoare triple {21504#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21508#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:17:57,215 INFO L273 TraceCheckUtils]: 37: Hoare triple {21508#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21512#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,215 INFO L273 TraceCheckUtils]: 38: Hoare triple {21512#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21516#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,216 INFO L273 TraceCheckUtils]: 39: Hoare triple {21516#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21520#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,217 INFO L273 TraceCheckUtils]: 40: Hoare triple {21520#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21524#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,218 INFO L273 TraceCheckUtils]: 41: Hoare triple {21524#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21528#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,219 INFO L273 TraceCheckUtils]: 42: Hoare triple {21528#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21532#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,219 INFO L273 TraceCheckUtils]: 43: Hoare triple {21532#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21536#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,220 INFO L273 TraceCheckUtils]: 44: Hoare triple {21536#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21540#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,221 INFO L273 TraceCheckUtils]: 45: Hoare triple {21540#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21544#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:17:57,222 INFO L273 TraceCheckUtils]: 46: Hoare triple {21544#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21548#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,223 INFO L273 TraceCheckUtils]: 47: Hoare triple {21548#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21552#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,223 INFO L273 TraceCheckUtils]: 48: Hoare triple {21552#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21556#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,224 INFO L273 TraceCheckUtils]: 49: Hoare triple {21556#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21560#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,225 INFO L273 TraceCheckUtils]: 50: Hoare triple {21560#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21564#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,226 INFO L273 TraceCheckUtils]: 51: Hoare triple {21564#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21568#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,227 INFO L273 TraceCheckUtils]: 52: Hoare triple {21568#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21572#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:17:57,227 INFO L273 TraceCheckUtils]: 53: Hoare triple {21572#(and (<= 29 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 29) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21576#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,228 INFO L273 TraceCheckUtils]: 54: Hoare triple {21576#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21580#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,229 INFO L273 TraceCheckUtils]: 55: Hoare triple {21580#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21584#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,230 INFO L273 TraceCheckUtils]: 56: Hoare triple {21584#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21588#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,230 INFO L273 TraceCheckUtils]: 57: Hoare triple {21588#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21592#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,231 INFO L273 TraceCheckUtils]: 58: Hoare triple {21592#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21596#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,232 INFO L273 TraceCheckUtils]: 59: Hoare triple {21596#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21600#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 28) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 29))} is VALID [2018-12-17 14:17:57,233 INFO L273 TraceCheckUtils]: 60: Hoare triple {21600#(and (<= 29 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 28) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 29))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {21328#false} is VALID [2018-12-17 14:17:57,233 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2018-12-17 14:17:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:57,241 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:17:57,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:17:57,273 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:17:57,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:17:57,275 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:17:57,277 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:17:57,278 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:17:57,278 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:17:58,272 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2018-12-17 14:17:58,273 INFO L273 TraceCheckUtils]: 60: Hoare triple {21388#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {21328#false} is VALID [2018-12-17 14:17:58,274 INFO L273 TraceCheckUtils]: 59: Hoare triple {21387#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21388#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:17:58,275 INFO L273 TraceCheckUtils]: 58: Hoare triple {21386#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21387#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,276 INFO L273 TraceCheckUtils]: 57: Hoare triple {21385#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21386#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,277 INFO L273 TraceCheckUtils]: 56: Hoare triple {21384#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21385#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,278 INFO L273 TraceCheckUtils]: 55: Hoare triple {21383#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21384#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,279 INFO L273 TraceCheckUtils]: 54: Hoare triple {21382#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21383#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,280 INFO L273 TraceCheckUtils]: 53: Hoare triple {21381#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21382#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,281 INFO L273 TraceCheckUtils]: 52: Hoare triple {21380#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21381#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,282 INFO L273 TraceCheckUtils]: 51: Hoare triple {21379#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21380#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,283 INFO L273 TraceCheckUtils]: 50: Hoare triple {21378#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21379#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,284 INFO L273 TraceCheckUtils]: 49: Hoare triple {21377#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21378#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,284 INFO L273 TraceCheckUtils]: 48: Hoare triple {21376#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21377#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,285 INFO L273 TraceCheckUtils]: 47: Hoare triple {21375#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21376#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,286 INFO L273 TraceCheckUtils]: 46: Hoare triple {21374#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21375#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,287 INFO L273 TraceCheckUtils]: 45: Hoare triple {21373#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21374#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,288 INFO L273 TraceCheckUtils]: 44: Hoare triple {21372#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21373#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,289 INFO L273 TraceCheckUtils]: 43: Hoare triple {21371#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21372#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,290 INFO L273 TraceCheckUtils]: 42: Hoare triple {21370#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21371#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,291 INFO L273 TraceCheckUtils]: 41: Hoare triple {21369#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21370#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,292 INFO L273 TraceCheckUtils]: 40: Hoare triple {21368#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21369#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,293 INFO L273 TraceCheckUtils]: 39: Hoare triple {21367#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21368#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,294 INFO L273 TraceCheckUtils]: 38: Hoare triple {21366#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21367#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,295 INFO L273 TraceCheckUtils]: 37: Hoare triple {21365#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21366#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,296 INFO L273 TraceCheckUtils]: 36: Hoare triple {21364#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21365#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,297 INFO L273 TraceCheckUtils]: 35: Hoare triple {21363#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21364#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,298 INFO L273 TraceCheckUtils]: 34: Hoare triple {21362#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21363#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,299 INFO L273 TraceCheckUtils]: 33: Hoare triple {21361#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21362#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,299 INFO L273 TraceCheckUtils]: 32: Hoare triple {21360#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21361#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,300 INFO L273 TraceCheckUtils]: 31: Hoare triple {21359#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {21360#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,301 INFO L273 TraceCheckUtils]: 30: Hoare triple {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {21359#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:17:58,302 INFO L273 TraceCheckUtils]: 29: Hoare triple {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21358#(or (= 29 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:17:58,303 INFO L273 TraceCheckUtils]: 28: Hoare triple {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21476#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,304 INFO L273 TraceCheckUtils]: 27: Hoare triple {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21356#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,305 INFO L273 TraceCheckUtils]: 26: Hoare triple {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21355#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:17:58,306 INFO L273 TraceCheckUtils]: 25: Hoare triple {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21354#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,307 INFO L273 TraceCheckUtils]: 24: Hoare triple {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21353#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,308 INFO L273 TraceCheckUtils]: 23: Hoare triple {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21352#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:17:58,309 INFO L273 TraceCheckUtils]: 22: Hoare triple {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21351#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:17:58,310 INFO L273 TraceCheckUtils]: 21: Hoare triple {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21350#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,311 INFO L273 TraceCheckUtils]: 20: Hoare triple {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21349#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,312 INFO L273 TraceCheckUtils]: 19: Hoare triple {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21348#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,313 INFO L273 TraceCheckUtils]: 18: Hoare triple {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21347#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,314 INFO L273 TraceCheckUtils]: 17: Hoare triple {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21346#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,315 INFO L273 TraceCheckUtils]: 16: Hoare triple {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21345#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:17:58,315 INFO L273 TraceCheckUtils]: 15: Hoare triple {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21344#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:17:58,316 INFO L273 TraceCheckUtils]: 14: Hoare triple {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21343#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,317 INFO L273 TraceCheckUtils]: 13: Hoare triple {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21342#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,318 INFO L273 TraceCheckUtils]: 12: Hoare triple {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21341#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,319 INFO L273 TraceCheckUtils]: 11: Hoare triple {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21340#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:17:58,320 INFO L273 TraceCheckUtils]: 10: Hoare triple {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21339#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,321 INFO L273 TraceCheckUtils]: 9: Hoare triple {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21338#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,322 INFO L273 TraceCheckUtils]: 8: Hoare triple {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21337#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,323 INFO L273 TraceCheckUtils]: 7: Hoare triple {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21336#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:17:58,324 INFO L273 TraceCheckUtils]: 6: Hoare triple {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21335#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,325 INFO L273 TraceCheckUtils]: 5: Hoare triple {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21334#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:17:58,326 INFO L273 TraceCheckUtils]: 4: Hoare triple {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21333#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,327 INFO L273 TraceCheckUtils]: 3: Hoare triple {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21332#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:17:58,327 INFO L273 TraceCheckUtils]: 2: Hoare triple {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21331#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,328 INFO L273 TraceCheckUtils]: 1: Hoare triple {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {21330#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,329 INFO L273 TraceCheckUtils]: 0: Hoare triple {21327#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {21329#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:17:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:17:58,356 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:17:58,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61, 61] total 93 [2018-12-17 14:17:58,356 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:17:58,357 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2018-12-17 14:17:58,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:17:58,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 94 states. [2018-12-17 14:17:58,441 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:17:58,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-12-17 14:17:58,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-12-17 14:17:58,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=8465, Unknown=0, NotChecked=0, Total=8742 [2018-12-17 14:17:58,442 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 94 states. [2018-12-17 14:18:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:13,959 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2018-12-17 14:18:13,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-12-17 14:18:13,959 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2018-12-17 14:18:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:18:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-12-17 14:18:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-12-17 14:18:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-12-17 14:18:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-12-17 14:18:13,962 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states and 70 transitions. [2018-12-17 14:18:14,035 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:18:14,036 INFO L225 Difference]: With dead ends: 96 [2018-12-17 14:18:14,036 INFO L226 Difference]: Without dead ends: 64 [2018-12-17 14:18:14,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 67 SyntacticMatches, 24 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2625 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=586, Invalid=15164, Unknown=0, NotChecked=0, Total=15750 [2018-12-17 14:18:14,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-17 14:18:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-12-17 14:18:15,469 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:18:15,469 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2018-12-17 14:18:15,469 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2018-12-17 14:18:15,470 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2018-12-17 14:18:15,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:15,471 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2018-12-17 14:18:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2018-12-17 14:18:15,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:18:15,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:18:15,471 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2018-12-17 14:18:15,471 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2018-12-17 14:18:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:15,472 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2018-12-17 14:18:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2018-12-17 14:18:15,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:18:15,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:18:15,473 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:18:15,473 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:18:15,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-17 14:18:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2018-12-17 14:18:15,474 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 62 [2018-12-17 14:18:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:18:15,474 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2018-12-17 14:18:15,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-12-17 14:18:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2018-12-17 14:18:15,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-17 14:18:15,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:18:15,475 INFO L402 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1, 1] [2018-12-17 14:18:15,475 INFO L423 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:18:15,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:18:15,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1965001236, now seen corresponding path program 44 times [2018-12-17 14:18:15,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:18:15,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:18:15,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:18:15,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:18:15,476 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:18:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:18:16,293 INFO L273 TraceCheckUtils]: 0: Hoare triple {22296#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,294 INFO L273 TraceCheckUtils]: 1: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,294 INFO L273 TraceCheckUtils]: 2: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,295 INFO L273 TraceCheckUtils]: 3: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,296 INFO L273 TraceCheckUtils]: 4: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,297 INFO L273 TraceCheckUtils]: 5: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,298 INFO L273 TraceCheckUtils]: 6: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,299 INFO L273 TraceCheckUtils]: 7: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,300 INFO L273 TraceCheckUtils]: 8: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,300 INFO L273 TraceCheckUtils]: 9: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,301 INFO L273 TraceCheckUtils]: 10: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,302 INFO L273 TraceCheckUtils]: 11: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,303 INFO L273 TraceCheckUtils]: 12: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,304 INFO L273 TraceCheckUtils]: 13: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,305 INFO L273 TraceCheckUtils]: 14: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,306 INFO L273 TraceCheckUtils]: 15: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,307 INFO L273 TraceCheckUtils]: 16: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,307 INFO L273 TraceCheckUtils]: 17: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,308 INFO L273 TraceCheckUtils]: 18: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,309 INFO L273 TraceCheckUtils]: 19: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,310 INFO L273 TraceCheckUtils]: 20: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,311 INFO L273 TraceCheckUtils]: 21: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,312 INFO L273 TraceCheckUtils]: 22: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,313 INFO L273 TraceCheckUtils]: 23: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,313 INFO L273 TraceCheckUtils]: 24: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,314 INFO L273 TraceCheckUtils]: 25: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,315 INFO L273 TraceCheckUtils]: 26: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,316 INFO L273 TraceCheckUtils]: 27: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,317 INFO L273 TraceCheckUtils]: 28: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,318 INFO L273 TraceCheckUtils]: 29: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,319 INFO L273 TraceCheckUtils]: 30: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:16,320 INFO L273 TraceCheckUtils]: 31: Hoare triple {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,320 INFO L273 TraceCheckUtils]: 32: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,321 INFO L273 TraceCheckUtils]: 33: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,322 INFO L273 TraceCheckUtils]: 34: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,323 INFO L273 TraceCheckUtils]: 35: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,324 INFO L273 TraceCheckUtils]: 36: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,325 INFO L273 TraceCheckUtils]: 37: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,326 INFO L273 TraceCheckUtils]: 38: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,326 INFO L273 TraceCheckUtils]: 39: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,327 INFO L273 TraceCheckUtils]: 40: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,328 INFO L273 TraceCheckUtils]: 41: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,329 INFO L273 TraceCheckUtils]: 42: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,330 INFO L273 TraceCheckUtils]: 43: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,331 INFO L273 TraceCheckUtils]: 44: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,332 INFO L273 TraceCheckUtils]: 45: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,332 INFO L273 TraceCheckUtils]: 46: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,333 INFO L273 TraceCheckUtils]: 47: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,334 INFO L273 TraceCheckUtils]: 48: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,335 INFO L273 TraceCheckUtils]: 49: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,336 INFO L273 TraceCheckUtils]: 50: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,337 INFO L273 TraceCheckUtils]: 51: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,338 INFO L273 TraceCheckUtils]: 52: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,338 INFO L273 TraceCheckUtils]: 53: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,339 INFO L273 TraceCheckUtils]: 54: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,340 INFO L273 TraceCheckUtils]: 55: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,341 INFO L273 TraceCheckUtils]: 56: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,342 INFO L273 TraceCheckUtils]: 57: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,343 INFO L273 TraceCheckUtils]: 58: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,344 INFO L273 TraceCheckUtils]: 59: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,344 INFO L273 TraceCheckUtils]: 60: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,345 INFO L273 TraceCheckUtils]: 61: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {22297#false} is VALID [2018-12-17 14:18:16,345 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2018-12-17 14:18:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:18:16,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:18:16,349 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:18:16,349 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:18:16,349 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:18:16,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:18:16,349 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:18:16,359 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:18:16,360 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:18:16,509 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2018-12-17 14:18:16,509 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:18:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:18:16,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:18:16,939 INFO L273 TraceCheckUtils]: 0: Hoare triple {22296#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,940 INFO L273 TraceCheckUtils]: 1: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,941 INFO L273 TraceCheckUtils]: 2: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,942 INFO L273 TraceCheckUtils]: 3: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,943 INFO L273 TraceCheckUtils]: 4: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,944 INFO L273 TraceCheckUtils]: 5: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,945 INFO L273 TraceCheckUtils]: 6: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,946 INFO L273 TraceCheckUtils]: 7: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,946 INFO L273 TraceCheckUtils]: 8: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,947 INFO L273 TraceCheckUtils]: 9: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,948 INFO L273 TraceCheckUtils]: 10: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,949 INFO L273 TraceCheckUtils]: 11: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,950 INFO L273 TraceCheckUtils]: 12: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,951 INFO L273 TraceCheckUtils]: 13: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,952 INFO L273 TraceCheckUtils]: 14: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,952 INFO L273 TraceCheckUtils]: 15: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,953 INFO L273 TraceCheckUtils]: 16: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,954 INFO L273 TraceCheckUtils]: 17: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,955 INFO L273 TraceCheckUtils]: 18: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,956 INFO L273 TraceCheckUtils]: 19: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,957 INFO L273 TraceCheckUtils]: 20: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,958 INFO L273 TraceCheckUtils]: 21: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,959 INFO L273 TraceCheckUtils]: 22: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,959 INFO L273 TraceCheckUtils]: 23: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,960 INFO L273 TraceCheckUtils]: 24: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,961 INFO L273 TraceCheckUtils]: 25: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,962 INFO L273 TraceCheckUtils]: 26: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,963 INFO L273 TraceCheckUtils]: 27: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,964 INFO L273 TraceCheckUtils]: 28: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,965 INFO L273 TraceCheckUtils]: 29: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,965 INFO L273 TraceCheckUtils]: 30: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:16,966 INFO L273 TraceCheckUtils]: 31: Hoare triple {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,967 INFO L273 TraceCheckUtils]: 32: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,968 INFO L273 TraceCheckUtils]: 33: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,969 INFO L273 TraceCheckUtils]: 34: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,970 INFO L273 TraceCheckUtils]: 35: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,971 INFO L273 TraceCheckUtils]: 36: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,972 INFO L273 TraceCheckUtils]: 37: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,972 INFO L273 TraceCheckUtils]: 38: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,973 INFO L273 TraceCheckUtils]: 39: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,974 INFO L273 TraceCheckUtils]: 40: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,975 INFO L273 TraceCheckUtils]: 41: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,976 INFO L273 TraceCheckUtils]: 42: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,977 INFO L273 TraceCheckUtils]: 43: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,978 INFO L273 TraceCheckUtils]: 44: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,978 INFO L273 TraceCheckUtils]: 45: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,979 INFO L273 TraceCheckUtils]: 46: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,980 INFO L273 TraceCheckUtils]: 47: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,981 INFO L273 TraceCheckUtils]: 48: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,982 INFO L273 TraceCheckUtils]: 49: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,983 INFO L273 TraceCheckUtils]: 50: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,983 INFO L273 TraceCheckUtils]: 51: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,984 INFO L273 TraceCheckUtils]: 52: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,985 INFO L273 TraceCheckUtils]: 53: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,986 INFO L273 TraceCheckUtils]: 54: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,987 INFO L273 TraceCheckUtils]: 55: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,988 INFO L273 TraceCheckUtils]: 56: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,989 INFO L273 TraceCheckUtils]: 57: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,989 INFO L273 TraceCheckUtils]: 58: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,990 INFO L273 TraceCheckUtils]: 59: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,991 INFO L273 TraceCheckUtils]: 60: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:16,992 INFO L273 TraceCheckUtils]: 61: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {22297#false} is VALID [2018-12-17 14:18:16,992 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2018-12-17 14:18:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:18:16,996 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:18:18,064 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2018-12-17 14:18:18,065 INFO L273 TraceCheckUtils]: 61: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {22297#false} is VALID [2018-12-17 14:18:18,065 INFO L273 TraceCheckUtils]: 60: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,066 INFO L273 TraceCheckUtils]: 59: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,067 INFO L273 TraceCheckUtils]: 58: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,068 INFO L273 TraceCheckUtils]: 57: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,069 INFO L273 TraceCheckUtils]: 56: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,070 INFO L273 TraceCheckUtils]: 55: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,071 INFO L273 TraceCheckUtils]: 54: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,071 INFO L273 TraceCheckUtils]: 53: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,072 INFO L273 TraceCheckUtils]: 52: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,073 INFO L273 TraceCheckUtils]: 51: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,074 INFO L273 TraceCheckUtils]: 50: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,075 INFO L273 TraceCheckUtils]: 49: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,076 INFO L273 TraceCheckUtils]: 48: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,077 INFO L273 TraceCheckUtils]: 47: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,077 INFO L273 TraceCheckUtils]: 46: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,078 INFO L273 TraceCheckUtils]: 45: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,079 INFO L273 TraceCheckUtils]: 44: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,080 INFO L273 TraceCheckUtils]: 43: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,081 INFO L273 TraceCheckUtils]: 42: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,082 INFO L273 TraceCheckUtils]: 41: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,083 INFO L273 TraceCheckUtils]: 40: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,083 INFO L273 TraceCheckUtils]: 39: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,084 INFO L273 TraceCheckUtils]: 38: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,085 INFO L273 TraceCheckUtils]: 37: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,086 INFO L273 TraceCheckUtils]: 36: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,087 INFO L273 TraceCheckUtils]: 35: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,088 INFO L273 TraceCheckUtils]: 34: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,089 INFO L273 TraceCheckUtils]: 33: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,089 INFO L273 TraceCheckUtils]: 32: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,090 INFO L273 TraceCheckUtils]: 31: Hoare triple {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,091 INFO L273 TraceCheckUtils]: 30: Hoare triple {22327#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22328#(<= 30 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:18,092 INFO L273 TraceCheckUtils]: 29: Hoare triple {22326#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22327#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,093 INFO L273 TraceCheckUtils]: 28: Hoare triple {22325#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22326#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,094 INFO L273 TraceCheckUtils]: 27: Hoare triple {22324#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22325#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,095 INFO L273 TraceCheckUtils]: 26: Hoare triple {22323#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22324#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,096 INFO L273 TraceCheckUtils]: 25: Hoare triple {22322#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22323#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,096 INFO L273 TraceCheckUtils]: 24: Hoare triple {22321#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22322#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,097 INFO L273 TraceCheckUtils]: 23: Hoare triple {22320#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22321#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,098 INFO L273 TraceCheckUtils]: 22: Hoare triple {22319#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22320#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,099 INFO L273 TraceCheckUtils]: 21: Hoare triple {22318#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22319#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,100 INFO L273 TraceCheckUtils]: 20: Hoare triple {22317#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22318#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,101 INFO L273 TraceCheckUtils]: 19: Hoare triple {22316#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22317#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,102 INFO L273 TraceCheckUtils]: 18: Hoare triple {22315#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22316#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,102 INFO L273 TraceCheckUtils]: 17: Hoare triple {22314#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22315#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,103 INFO L273 TraceCheckUtils]: 16: Hoare triple {22313#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22314#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,104 INFO L273 TraceCheckUtils]: 15: Hoare triple {22312#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22313#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,105 INFO L273 TraceCheckUtils]: 14: Hoare triple {22311#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22312#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,106 INFO L273 TraceCheckUtils]: 13: Hoare triple {22310#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22311#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,107 INFO L273 TraceCheckUtils]: 12: Hoare triple {22309#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22310#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,108 INFO L273 TraceCheckUtils]: 11: Hoare triple {22308#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22309#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,108 INFO L273 TraceCheckUtils]: 10: Hoare triple {22307#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22308#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,109 INFO L273 TraceCheckUtils]: 9: Hoare triple {22306#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22307#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,110 INFO L273 TraceCheckUtils]: 8: Hoare triple {22305#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22306#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,111 INFO L273 TraceCheckUtils]: 7: Hoare triple {22304#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22305#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,112 INFO L273 TraceCheckUtils]: 6: Hoare triple {22303#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22304#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,113 INFO L273 TraceCheckUtils]: 5: Hoare triple {22302#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22303#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,114 INFO L273 TraceCheckUtils]: 4: Hoare triple {22301#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22302#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,114 INFO L273 TraceCheckUtils]: 3: Hoare triple {22300#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22301#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,115 INFO L273 TraceCheckUtils]: 2: Hoare triple {22299#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22300#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,116 INFO L273 TraceCheckUtils]: 1: Hoare triple {22298#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {22299#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,117 INFO L273 TraceCheckUtils]: 0: Hoare triple {22296#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {22298#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:18:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:18:18,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:18:18,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 32 [2018-12-17 14:18:18,140 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:18:18,140 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2018-12-17 14:18:18,140 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:18:18,140 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states. [2018-12-17 14:18:18,211 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:18:18,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-12-17 14:18:18,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-12-17 14:18:18,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2018-12-17 14:18:18,212 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 33 states. [2018-12-17 14:18:20,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:20,524 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-12-17 14:18:20,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-12-17 14:18:20,524 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2018-12-17 14:18:20,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:18:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-17 14:18:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2018-12-17 14:18:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-17 14:18:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2018-12-17 14:18:20,526 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 63 states and 68 transitions. [2018-12-17 14:18:20,586 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:18:20,586 INFO L225 Difference]: With dead ends: 67 [2018-12-17 14:18:20,587 INFO L226 Difference]: Without dead ends: 65 [2018-12-17 14:18:20,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 95 SyntacticMatches, 60 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2018-12-17 14:18:20,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-17 14:18:22,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-17 14:18:22,106 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:18:22,106 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2018-12-17 14:18:22,106 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2018-12-17 14:18:22,106 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2018-12-17 14:18:22,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:22,107 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2018-12-17 14:18:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-12-17 14:18:22,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:18:22,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:18:22,108 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2018-12-17 14:18:22,108 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2018-12-17 14:18:22,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:22,109 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2018-12-17 14:18:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-12-17 14:18:22,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:18:22,109 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:18:22,110 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:18:22,110 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:18:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-17 14:18:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2018-12-17 14:18:22,110 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 63 [2018-12-17 14:18:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:18:22,111 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2018-12-17 14:18:22,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-12-17 14:18:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-12-17 14:18:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-17 14:18:22,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:18:22,111 INFO L402 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1] [2018-12-17 14:18:22,112 INFO L423 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:18:22,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:18:22,112 INFO L82 PathProgramCache]: Analyzing trace with hash -785494358, now seen corresponding path program 45 times [2018-12-17 14:18:22,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:18:22,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:18:22,113 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:18:22,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:18:22,113 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:18:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:18:24,571 INFO L273 TraceCheckUtils]: 0: Hoare triple {23152#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {23154#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,572 INFO L273 TraceCheckUtils]: 1: Hoare triple {23154#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23155#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,573 INFO L273 TraceCheckUtils]: 2: Hoare triple {23155#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23156#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,574 INFO L273 TraceCheckUtils]: 3: Hoare triple {23156#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23157#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:18:24,575 INFO L273 TraceCheckUtils]: 4: Hoare triple {23157#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23158#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,576 INFO L273 TraceCheckUtils]: 5: Hoare triple {23158#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23159#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:18:24,577 INFO L273 TraceCheckUtils]: 6: Hoare triple {23159#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23160#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,577 INFO L273 TraceCheckUtils]: 7: Hoare triple {23160#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23161#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:18:24,578 INFO L273 TraceCheckUtils]: 8: Hoare triple {23161#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23162#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,579 INFO L273 TraceCheckUtils]: 9: Hoare triple {23162#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23163#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,580 INFO L273 TraceCheckUtils]: 10: Hoare triple {23163#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23164#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,581 INFO L273 TraceCheckUtils]: 11: Hoare triple {23164#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23165#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:18:24,582 INFO L273 TraceCheckUtils]: 12: Hoare triple {23165#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23166#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,583 INFO L273 TraceCheckUtils]: 13: Hoare triple {23166#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23167#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,584 INFO L273 TraceCheckUtils]: 14: Hoare triple {23167#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23168#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,585 INFO L273 TraceCheckUtils]: 15: Hoare triple {23168#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23169#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:18:24,586 INFO L273 TraceCheckUtils]: 16: Hoare triple {23169#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23170#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:18:24,587 INFO L273 TraceCheckUtils]: 17: Hoare triple {23170#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23171#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,588 INFO L273 TraceCheckUtils]: 18: Hoare triple {23171#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23172#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,589 INFO L273 TraceCheckUtils]: 19: Hoare triple {23172#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23173#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,590 INFO L273 TraceCheckUtils]: 20: Hoare triple {23173#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23174#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,591 INFO L273 TraceCheckUtils]: 21: Hoare triple {23174#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23175#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,591 INFO L273 TraceCheckUtils]: 22: Hoare triple {23175#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23176#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:18:24,592 INFO L273 TraceCheckUtils]: 23: Hoare triple {23176#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23177#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:18:24,593 INFO L273 TraceCheckUtils]: 24: Hoare triple {23177#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23178#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,594 INFO L273 TraceCheckUtils]: 25: Hoare triple {23178#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23179#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,595 INFO L273 TraceCheckUtils]: 26: Hoare triple {23179#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23180#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:18:24,596 INFO L273 TraceCheckUtils]: 27: Hoare triple {23180#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23181#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,597 INFO L273 TraceCheckUtils]: 28: Hoare triple {23181#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23182#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:24,598 INFO L273 TraceCheckUtils]: 29: Hoare triple {23182#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23183#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29)))} is VALID [2018-12-17 14:18:24,599 INFO L273 TraceCheckUtils]: 30: Hoare triple {23183#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23184#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 30 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:18:24,600 INFO L273 TraceCheckUtils]: 31: Hoare triple {23184#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 30 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {23185#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,601 INFO L273 TraceCheckUtils]: 32: Hoare triple {23185#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23186#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,602 INFO L273 TraceCheckUtils]: 33: Hoare triple {23186#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23187#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,603 INFO L273 TraceCheckUtils]: 34: Hoare triple {23187#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23188#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,607 INFO L273 TraceCheckUtils]: 35: Hoare triple {23188#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23189#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,608 INFO L273 TraceCheckUtils]: 36: Hoare triple {23189#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23190#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,609 INFO L273 TraceCheckUtils]: 37: Hoare triple {23190#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23191#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,609 INFO L273 TraceCheckUtils]: 38: Hoare triple {23191#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23192#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,610 INFO L273 TraceCheckUtils]: 39: Hoare triple {23192#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23193#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,610 INFO L273 TraceCheckUtils]: 40: Hoare triple {23193#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23194#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,611 INFO L273 TraceCheckUtils]: 41: Hoare triple {23194#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23195#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,612 INFO L273 TraceCheckUtils]: 42: Hoare triple {23195#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23196#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,613 INFO L273 TraceCheckUtils]: 43: Hoare triple {23196#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23197#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,614 INFO L273 TraceCheckUtils]: 44: Hoare triple {23197#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23198#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,615 INFO L273 TraceCheckUtils]: 45: Hoare triple {23198#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23199#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,616 INFO L273 TraceCheckUtils]: 46: Hoare triple {23199#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23200#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,617 INFO L273 TraceCheckUtils]: 47: Hoare triple {23200#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23201#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,617 INFO L273 TraceCheckUtils]: 48: Hoare triple {23201#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23202#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,618 INFO L273 TraceCheckUtils]: 49: Hoare triple {23202#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23203#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,619 INFO L273 TraceCheckUtils]: 50: Hoare triple {23203#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23204#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,620 INFO L273 TraceCheckUtils]: 51: Hoare triple {23204#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23205#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,621 INFO L273 TraceCheckUtils]: 52: Hoare triple {23205#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23206#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,622 INFO L273 TraceCheckUtils]: 53: Hoare triple {23206#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23207#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,623 INFO L273 TraceCheckUtils]: 54: Hoare triple {23207#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23208#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,624 INFO L273 TraceCheckUtils]: 55: Hoare triple {23208#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23209#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,625 INFO L273 TraceCheckUtils]: 56: Hoare triple {23209#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23210#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,626 INFO L273 TraceCheckUtils]: 57: Hoare triple {23210#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23211#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,627 INFO L273 TraceCheckUtils]: 58: Hoare triple {23211#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23212#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,628 INFO L273 TraceCheckUtils]: 59: Hoare triple {23212#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23213#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,629 INFO L273 TraceCheckUtils]: 60: Hoare triple {23213#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23214#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:24,630 INFO L273 TraceCheckUtils]: 61: Hoare triple {23214#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23215#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:18:24,631 INFO L273 TraceCheckUtils]: 62: Hoare triple {23215#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {23153#false} is VALID [2018-12-17 14:18:24,631 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2018-12-17 14:18:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:18:24,637 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:18:24,638 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:18:24,638 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:18:24,638 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:18:24,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:18:24,638 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:18:24,647 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:18:24,647 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:18:24,688 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:18:24,689 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:18:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:18:24,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:18:27,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:18:27,183 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:18:27,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:18:27,190 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:18:27,193 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:18:27,193 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_696]. (and (<= 30 ULTIMATE.start_main_~MAX~6) (= (store v_ULTIMATE.start_main_~str2~6_696 29 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31))) [2018-12-17 14:18:27,193 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 30 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 29)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31))) [2018-12-17 14:18:27,295 INFO L273 TraceCheckUtils]: 0: Hoare triple {23152#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {23152#true} is VALID [2018-12-17 14:18:27,295 INFO L273 TraceCheckUtils]: 1: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,296 INFO L273 TraceCheckUtils]: 2: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,296 INFO L273 TraceCheckUtils]: 3: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,296 INFO L273 TraceCheckUtils]: 4: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,296 INFO L273 TraceCheckUtils]: 5: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,296 INFO L273 TraceCheckUtils]: 6: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,297 INFO L273 TraceCheckUtils]: 7: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,297 INFO L273 TraceCheckUtils]: 8: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,297 INFO L273 TraceCheckUtils]: 9: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,297 INFO L273 TraceCheckUtils]: 10: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,297 INFO L273 TraceCheckUtils]: 11: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,297 INFO L273 TraceCheckUtils]: 12: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,297 INFO L273 TraceCheckUtils]: 13: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 14: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 15: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 16: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 17: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 18: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 19: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 20: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 21: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,298 INFO L273 TraceCheckUtils]: 22: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,299 INFO L273 TraceCheckUtils]: 23: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,299 INFO L273 TraceCheckUtils]: 24: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,299 INFO L273 TraceCheckUtils]: 25: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,299 INFO L273 TraceCheckUtils]: 26: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,299 INFO L273 TraceCheckUtils]: 27: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,299 INFO L273 TraceCheckUtils]: 28: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,299 INFO L273 TraceCheckUtils]: 29: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,300 INFO L273 TraceCheckUtils]: 30: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:27,300 INFO L273 TraceCheckUtils]: 31: Hoare triple {23152#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {23312#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:18:27,301 INFO L273 TraceCheckUtils]: 32: Hoare triple {23312#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23316#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:18:27,306 INFO L273 TraceCheckUtils]: 33: Hoare triple {23316#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23320#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:18:27,306 INFO L273 TraceCheckUtils]: 34: Hoare triple {23320#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:18:27,307 INFO L273 TraceCheckUtils]: 35: Hoare triple {23324#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23328#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:18:27,308 INFO L273 TraceCheckUtils]: 36: Hoare triple {23328#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23332#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:18:27,308 INFO L273 TraceCheckUtils]: 37: Hoare triple {23332#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:18:27,309 INFO L273 TraceCheckUtils]: 38: Hoare triple {23336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23340#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:18:27,309 INFO L273 TraceCheckUtils]: 39: Hoare triple {23340#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:18:27,310 INFO L273 TraceCheckUtils]: 40: Hoare triple {23344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23348#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:18:27,311 INFO L273 TraceCheckUtils]: 41: Hoare triple {23348#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23352#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:18:27,312 INFO L273 TraceCheckUtils]: 42: Hoare triple {23352#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23356#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:18:27,313 INFO L273 TraceCheckUtils]: 43: Hoare triple {23356#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23360#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:18:27,314 INFO L273 TraceCheckUtils]: 44: Hoare triple {23360#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23364#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:18:27,315 INFO L273 TraceCheckUtils]: 45: Hoare triple {23364#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23368#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:18:27,316 INFO L273 TraceCheckUtils]: 46: Hoare triple {23368#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:18:27,317 INFO L273 TraceCheckUtils]: 47: Hoare triple {23372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23376#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:18:27,318 INFO L273 TraceCheckUtils]: 48: Hoare triple {23376#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23380#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:18:27,319 INFO L273 TraceCheckUtils]: 49: Hoare triple {23380#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23384#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:18:27,320 INFO L273 TraceCheckUtils]: 50: Hoare triple {23384#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23388#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:18:27,321 INFO L273 TraceCheckUtils]: 51: Hoare triple {23388#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:18:27,322 INFO L273 TraceCheckUtils]: 52: Hoare triple {23392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23396#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:18:27,323 INFO L273 TraceCheckUtils]: 53: Hoare triple {23396#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:18:27,324 INFO L273 TraceCheckUtils]: 54: Hoare triple {23400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23404#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:18:27,325 INFO L273 TraceCheckUtils]: 55: Hoare triple {23404#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23408#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:18:27,326 INFO L273 TraceCheckUtils]: 56: Hoare triple {23408#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23412#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:18:27,327 INFO L273 TraceCheckUtils]: 57: Hoare triple {23412#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23416#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2018-12-17 14:18:27,328 INFO L273 TraceCheckUtils]: 58: Hoare triple {23416#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2018-12-17 14:18:27,329 INFO L273 TraceCheckUtils]: 59: Hoare triple {23420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2018-12-17 14:18:27,330 INFO L273 TraceCheckUtils]: 60: Hoare triple {23424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:18:27,331 INFO L273 TraceCheckUtils]: 61: Hoare triple {23428#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23432#(and (<= 30 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 29)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)))} is VALID [2018-12-17 14:18:27,332 INFO L273 TraceCheckUtils]: 62: Hoare triple {23432#(and (<= 30 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 29)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {23153#false} is VALID [2018-12-17 14:18:27,333 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2018-12-17 14:18:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-17 14:18:27,338 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:18:27,479 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:18:27,481 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:18:27,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:18:27,493 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:18:30,616 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2018-12-17 14:18:30,617 INFO L273 TraceCheckUtils]: 62: Hoare triple {23442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {23153#false} is VALID [2018-12-17 14:18:30,617 INFO L273 TraceCheckUtils]: 61: Hoare triple {23446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,618 INFO L273 TraceCheckUtils]: 60: Hoare triple {23450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:18:30,620 INFO L273 TraceCheckUtils]: 59: Hoare triple {23454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:18:30,621 INFO L273 TraceCheckUtils]: 58: Hoare triple {23458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,622 INFO L273 TraceCheckUtils]: 57: Hoare triple {23462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,623 INFO L273 TraceCheckUtils]: 56: Hoare triple {23466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:18:30,624 INFO L273 TraceCheckUtils]: 55: Hoare triple {23470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:18:30,625 INFO L273 TraceCheckUtils]: 54: Hoare triple {23474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,626 INFO L273 TraceCheckUtils]: 53: Hoare triple {23478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,627 INFO L273 TraceCheckUtils]: 52: Hoare triple {23482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:18:30,628 INFO L273 TraceCheckUtils]: 51: Hoare triple {23486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,629 INFO L273 TraceCheckUtils]: 50: Hoare triple {23490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:18:30,630 INFO L273 TraceCheckUtils]: 49: Hoare triple {23494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,631 INFO L273 TraceCheckUtils]: 48: Hoare triple {23498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:18:30,632 INFO L273 TraceCheckUtils]: 47: Hoare triple {23502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,634 INFO L273 TraceCheckUtils]: 46: Hoare triple {23506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:18:30,635 INFO L273 TraceCheckUtils]: 45: Hoare triple {23510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:18:30,636 INFO L273 TraceCheckUtils]: 44: Hoare triple {23514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:18:30,637 INFO L273 TraceCheckUtils]: 43: Hoare triple {23518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:18:30,638 INFO L273 TraceCheckUtils]: 42: Hoare triple {23522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:18:30,639 INFO L273 TraceCheckUtils]: 41: Hoare triple {23526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:18:30,640 INFO L273 TraceCheckUtils]: 40: Hoare triple {23530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,641 INFO L273 TraceCheckUtils]: 39: Hoare triple {23534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:18:30,642 INFO L273 TraceCheckUtils]: 38: Hoare triple {23538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,643 INFO L273 TraceCheckUtils]: 37: Hoare triple {23542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:30,644 INFO L273 TraceCheckUtils]: 36: Hoare triple {23546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2018-12-17 14:18:30,645 INFO L273 TraceCheckUtils]: 35: Hoare triple {23550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2018-12-17 14:18:30,646 INFO L273 TraceCheckUtils]: 34: Hoare triple {23554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2018-12-17 14:18:30,647 INFO L273 TraceCheckUtils]: 33: Hoare triple {23558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2018-12-17 14:18:30,649 INFO L273 TraceCheckUtils]: 32: Hoare triple {23562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {23558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2018-12-17 14:18:30,649 INFO L273 TraceCheckUtils]: 31: Hoare triple {23152#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {23562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:18:30,650 INFO L273 TraceCheckUtils]: 30: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,650 INFO L273 TraceCheckUtils]: 29: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,650 INFO L273 TraceCheckUtils]: 28: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,650 INFO L273 TraceCheckUtils]: 27: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,650 INFO L273 TraceCheckUtils]: 26: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,651 INFO L273 TraceCheckUtils]: 25: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,651 INFO L273 TraceCheckUtils]: 24: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,651 INFO L273 TraceCheckUtils]: 23: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,651 INFO L273 TraceCheckUtils]: 22: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,651 INFO L273 TraceCheckUtils]: 21: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,651 INFO L273 TraceCheckUtils]: 20: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 19: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 18: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 17: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 16: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 15: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 14: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 13: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 12: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,652 INFO L273 TraceCheckUtils]: 11: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 10: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 9: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 8: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 7: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 6: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 5: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 4: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 3: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 2: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,653 INFO L273 TraceCheckUtils]: 1: Hoare triple {23152#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {23152#true} is VALID [2018-12-17 14:18:30,654 INFO L273 TraceCheckUtils]: 0: Hoare triple {23152#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {23152#true} is VALID [2018-12-17 14:18:30,659 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-12-17 14:18:30,677 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:18:30,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 33, 33] total 126 [2018-12-17 14:18:30,677 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:18:30,678 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2018-12-17 14:18:30,678 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:18:30,678 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states. [2018-12-17 14:18:30,766 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:18:30,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-12-17 14:18:30,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-12-17 14:18:30,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2110, Invalid=13640, Unknown=0, NotChecked=0, Total=15750 [2018-12-17 14:18:30,768 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 95 states. [2018-12-17 14:18:49,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:49,178 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2018-12-17 14:18:49,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-12-17 14:18:49,178 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2018-12-17 14:18:49,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:18:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-17 14:18:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-12-17 14:18:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-17 14:18:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-12-17 14:18:49,182 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 98 states and 105 transitions. [2018-12-17 14:18:49,295 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:18:49,296 INFO L225 Difference]: With dead ends: 101 [2018-12-17 14:18:49,296 INFO L226 Difference]: Without dead ends: 67 [2018-12-17 14:18:49,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2078 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=3373, Invalid=22387, Unknown=0, NotChecked=0, Total=25760 [2018-12-17 14:18:49,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-17 14:18:50,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-17 14:18:50,860 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:18:50,860 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2018-12-17 14:18:50,860 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2018-12-17 14:18:50,861 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2018-12-17 14:18:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:50,862 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-12-17 14:18:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-12-17 14:18:50,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:18:50,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:18:50,862 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2018-12-17 14:18:50,863 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2018-12-17 14:18:50,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:18:50,863 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-12-17 14:18:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-12-17 14:18:50,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:18:50,864 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:18:50,864 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:18:50,864 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:18:50,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-17 14:18:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2018-12-17 14:18:50,865 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 64 [2018-12-17 14:18:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:18:50,865 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2018-12-17 14:18:50,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-12-17 14:18:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-12-17 14:18:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-17 14:18:50,866 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:18:50,866 INFO L402 BasicCegarLoop]: trace histogram [31, 31, 1, 1, 1, 1] [2018-12-17 14:18:50,866 INFO L423 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:18:50,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:18:50,866 INFO L82 PathProgramCache]: Analyzing trace with hash -429274795, now seen corresponding path program 46 times [2018-12-17 14:18:50,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:18:50,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:18:50,867 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:18:50,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:18:50,867 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:18:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:18:53,594 INFO L273 TraceCheckUtils]: 0: Hoare triple {24193#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,595 INFO L273 TraceCheckUtils]: 1: Hoare triple {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,596 INFO L273 TraceCheckUtils]: 2: Hoare triple {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,597 INFO L273 TraceCheckUtils]: 3: Hoare triple {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:18:53,598 INFO L273 TraceCheckUtils]: 4: Hoare triple {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,599 INFO L273 TraceCheckUtils]: 5: Hoare triple {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:18:53,600 INFO L273 TraceCheckUtils]: 6: Hoare triple {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,601 INFO L273 TraceCheckUtils]: 7: Hoare triple {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:18:53,602 INFO L273 TraceCheckUtils]: 8: Hoare triple {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,603 INFO L273 TraceCheckUtils]: 9: Hoare triple {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,604 INFO L273 TraceCheckUtils]: 10: Hoare triple {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,605 INFO L273 TraceCheckUtils]: 11: Hoare triple {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:18:53,605 INFO L273 TraceCheckUtils]: 12: Hoare triple {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,606 INFO L273 TraceCheckUtils]: 13: Hoare triple {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,607 INFO L273 TraceCheckUtils]: 14: Hoare triple {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,608 INFO L273 TraceCheckUtils]: 15: Hoare triple {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:18:53,609 INFO L273 TraceCheckUtils]: 16: Hoare triple {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:18:53,610 INFO L273 TraceCheckUtils]: 17: Hoare triple {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,611 INFO L273 TraceCheckUtils]: 18: Hoare triple {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,612 INFO L273 TraceCheckUtils]: 19: Hoare triple {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,613 INFO L273 TraceCheckUtils]: 20: Hoare triple {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,614 INFO L273 TraceCheckUtils]: 21: Hoare triple {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,615 INFO L273 TraceCheckUtils]: 22: Hoare triple {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:18:53,616 INFO L273 TraceCheckUtils]: 23: Hoare triple {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:18:53,617 INFO L273 TraceCheckUtils]: 24: Hoare triple {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,618 INFO L273 TraceCheckUtils]: 25: Hoare triple {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,618 INFO L273 TraceCheckUtils]: 26: Hoare triple {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:18:53,619 INFO L273 TraceCheckUtils]: 27: Hoare triple {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,620 INFO L273 TraceCheckUtils]: 28: Hoare triple {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:53,621 INFO L273 TraceCheckUtils]: 29: Hoare triple {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:18:53,622 INFO L273 TraceCheckUtils]: 30: Hoare triple {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24225#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30)))} is VALID [2018-12-17 14:18:53,623 INFO L273 TraceCheckUtils]: 31: Hoare triple {24225#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:18:53,624 INFO L273 TraceCheckUtils]: 32: Hoare triple {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {24227#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,625 INFO L273 TraceCheckUtils]: 33: Hoare triple {24227#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24228#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,626 INFO L273 TraceCheckUtils]: 34: Hoare triple {24228#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24229#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,627 INFO L273 TraceCheckUtils]: 35: Hoare triple {24229#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24230#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,628 INFO L273 TraceCheckUtils]: 36: Hoare triple {24230#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24231#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,629 INFO L273 TraceCheckUtils]: 37: Hoare triple {24231#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24232#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,630 INFO L273 TraceCheckUtils]: 38: Hoare triple {24232#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24233#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,631 INFO L273 TraceCheckUtils]: 39: Hoare triple {24233#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24234#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,632 INFO L273 TraceCheckUtils]: 40: Hoare triple {24234#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24235#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,633 INFO L273 TraceCheckUtils]: 41: Hoare triple {24235#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24236#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,634 INFO L273 TraceCheckUtils]: 42: Hoare triple {24236#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24237#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,635 INFO L273 TraceCheckUtils]: 43: Hoare triple {24237#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24238#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,636 INFO L273 TraceCheckUtils]: 44: Hoare triple {24238#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24239#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,637 INFO L273 TraceCheckUtils]: 45: Hoare triple {24239#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24240#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,638 INFO L273 TraceCheckUtils]: 46: Hoare triple {24240#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24241#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,638 INFO L273 TraceCheckUtils]: 47: Hoare triple {24241#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24242#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,639 INFO L273 TraceCheckUtils]: 48: Hoare triple {24242#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24243#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,640 INFO L273 TraceCheckUtils]: 49: Hoare triple {24243#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24244#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,641 INFO L273 TraceCheckUtils]: 50: Hoare triple {24244#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24245#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,642 INFO L273 TraceCheckUtils]: 51: Hoare triple {24245#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24246#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,643 INFO L273 TraceCheckUtils]: 52: Hoare triple {24246#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24247#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,644 INFO L273 TraceCheckUtils]: 53: Hoare triple {24247#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24248#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,645 INFO L273 TraceCheckUtils]: 54: Hoare triple {24248#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24249#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,646 INFO L273 TraceCheckUtils]: 55: Hoare triple {24249#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24250#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,647 INFO L273 TraceCheckUtils]: 56: Hoare triple {24250#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24251#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,648 INFO L273 TraceCheckUtils]: 57: Hoare triple {24251#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24252#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,649 INFO L273 TraceCheckUtils]: 58: Hoare triple {24252#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24253#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,650 INFO L273 TraceCheckUtils]: 59: Hoare triple {24253#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24254#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,651 INFO L273 TraceCheckUtils]: 60: Hoare triple {24254#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24255#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,652 INFO L273 TraceCheckUtils]: 61: Hoare triple {24255#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24256#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,652 INFO L273 TraceCheckUtils]: 62: Hoare triple {24256#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24257#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:53,653 INFO L273 TraceCheckUtils]: 63: Hoare triple {24257#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24258#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:18:53,655 INFO L273 TraceCheckUtils]: 64: Hoare triple {24258#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {24194#false} is VALID [2018-12-17 14:18:53,655 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2018-12-17 14:18:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:18:53,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:18:53,661 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:18:53,661 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:18:53,661 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:18:53,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:18:53,661 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:18:53,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:18:53,669 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:18:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:18:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:18:53,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:18:56,437 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:18:56,438 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:18:56,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:18:56,445 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:18:56,447 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:18:56,448 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_727]. (and (= (store v_ULTIMATE.start_main_~str2~6_727 30 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31)) [2018-12-17 14:18:56,448 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 31 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 30) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 31)) [2018-12-17 14:18:56,537 INFO L273 TraceCheckUtils]: 0: Hoare triple {24193#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,538 INFO L273 TraceCheckUtils]: 1: Hoare triple {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,539 INFO L273 TraceCheckUtils]: 2: Hoare triple {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,540 INFO L273 TraceCheckUtils]: 3: Hoare triple {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:18:56,541 INFO L273 TraceCheckUtils]: 4: Hoare triple {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,542 INFO L273 TraceCheckUtils]: 5: Hoare triple {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:18:56,543 INFO L273 TraceCheckUtils]: 6: Hoare triple {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,544 INFO L273 TraceCheckUtils]: 7: Hoare triple {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:18:56,545 INFO L273 TraceCheckUtils]: 8: Hoare triple {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,546 INFO L273 TraceCheckUtils]: 9: Hoare triple {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,546 INFO L273 TraceCheckUtils]: 10: Hoare triple {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,547 INFO L273 TraceCheckUtils]: 11: Hoare triple {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:18:56,548 INFO L273 TraceCheckUtils]: 12: Hoare triple {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,549 INFO L273 TraceCheckUtils]: 13: Hoare triple {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,550 INFO L273 TraceCheckUtils]: 14: Hoare triple {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,551 INFO L273 TraceCheckUtils]: 15: Hoare triple {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:18:56,552 INFO L273 TraceCheckUtils]: 16: Hoare triple {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:18:56,553 INFO L273 TraceCheckUtils]: 17: Hoare triple {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,554 INFO L273 TraceCheckUtils]: 18: Hoare triple {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,555 INFO L273 TraceCheckUtils]: 19: Hoare triple {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,556 INFO L273 TraceCheckUtils]: 20: Hoare triple {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,557 INFO L273 TraceCheckUtils]: 21: Hoare triple {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,558 INFO L273 TraceCheckUtils]: 22: Hoare triple {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:18:56,559 INFO L273 TraceCheckUtils]: 23: Hoare triple {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:18:56,560 INFO L273 TraceCheckUtils]: 24: Hoare triple {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,560 INFO L273 TraceCheckUtils]: 25: Hoare triple {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,561 INFO L273 TraceCheckUtils]: 26: Hoare triple {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:18:56,562 INFO L273 TraceCheckUtils]: 27: Hoare triple {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,563 INFO L273 TraceCheckUtils]: 28: Hoare triple {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:56,564 INFO L273 TraceCheckUtils]: 29: Hoare triple {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:18:56,565 INFO L273 TraceCheckUtils]: 30: Hoare triple {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:18:56,566 INFO L273 TraceCheckUtils]: 31: Hoare triple {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24356#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 31))} is VALID [2018-12-17 14:18:56,567 INFO L273 TraceCheckUtils]: 32: Hoare triple {24356#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 31))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {24360#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,568 INFO L273 TraceCheckUtils]: 33: Hoare triple {24360#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 0) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24364#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,569 INFO L273 TraceCheckUtils]: 34: Hoare triple {24364#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 1) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24368#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:18:56,569 INFO L273 TraceCheckUtils]: 35: Hoare triple {24368#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24372#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,570 INFO L273 TraceCheckUtils]: 36: Hoare triple {24372#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 3) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24376#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,571 INFO L273 TraceCheckUtils]: 37: Hoare triple {24376#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 4) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24380#(and (= ULTIMATE.start_main_~j~6 5) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,572 INFO L273 TraceCheckUtils]: 38: Hoare triple {24380#(and (= ULTIMATE.start_main_~j~6 5) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24384#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:18:56,573 INFO L273 TraceCheckUtils]: 39: Hoare triple {24384#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24388#(and (= ULTIMATE.start_main_~j~6 7) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,574 INFO L273 TraceCheckUtils]: 40: Hoare triple {24388#(and (= ULTIMATE.start_main_~j~6 7) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24392#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,574 INFO L273 TraceCheckUtils]: 41: Hoare triple {24392#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 8) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24396#(and (= ULTIMATE.start_main_~j~6 9) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,575 INFO L273 TraceCheckUtils]: 42: Hoare triple {24396#(and (= ULTIMATE.start_main_~j~6 9) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24400#(and (= ULTIMATE.start_main_~j~6 10) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,576 INFO L273 TraceCheckUtils]: 43: Hoare triple {24400#(and (= ULTIMATE.start_main_~j~6 10) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24404#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,577 INFO L273 TraceCheckUtils]: 44: Hoare triple {24404#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24408#(and (= ULTIMATE.start_main_~j~6 12) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,577 INFO L273 TraceCheckUtils]: 45: Hoare triple {24408#(and (= ULTIMATE.start_main_~j~6 12) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24412#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,578 INFO L273 TraceCheckUtils]: 46: Hoare triple {24412#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 13) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24416#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,579 INFO L273 TraceCheckUtils]: 47: Hoare triple {24416#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 14) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24420#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:18:56,580 INFO L273 TraceCheckUtils]: 48: Hoare triple {24420#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24424#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,581 INFO L273 TraceCheckUtils]: 49: Hoare triple {24424#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 16) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24428#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,581 INFO L273 TraceCheckUtils]: 50: Hoare triple {24428#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 17) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24432#(and (= ULTIMATE.start_main_~j~6 18) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,582 INFO L273 TraceCheckUtils]: 51: Hoare triple {24432#(and (= ULTIMATE.start_main_~j~6 18) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24436#(and (= ULTIMATE.start_main_~j~6 19) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,583 INFO L273 TraceCheckUtils]: 52: Hoare triple {24436#(and (= ULTIMATE.start_main_~j~6 19) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24440#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,584 INFO L273 TraceCheckUtils]: 53: Hoare triple {24440#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24444#(and (= ULTIMATE.start_main_~j~6 21) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,584 INFO L273 TraceCheckUtils]: 54: Hoare triple {24444#(and (= ULTIMATE.start_main_~j~6 21) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24448#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:18:56,585 INFO L273 TraceCheckUtils]: 55: Hoare triple {24448#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24452#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,586 INFO L273 TraceCheckUtils]: 56: Hoare triple {24452#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24456#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,587 INFO L273 TraceCheckUtils]: 57: Hoare triple {24456#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 24) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24460#(and (= ULTIMATE.start_main_~j~6 25) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,588 INFO L273 TraceCheckUtils]: 58: Hoare triple {24460#(and (= ULTIMATE.start_main_~j~6 25) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24464#(and (= ULTIMATE.start_main_~j~6 26) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,588 INFO L273 TraceCheckUtils]: 59: Hoare triple {24464#(and (= ULTIMATE.start_main_~j~6 26) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24468#(and (= ULTIMATE.start_main_~j~6 27) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,589 INFO L273 TraceCheckUtils]: 60: Hoare triple {24468#(and (= ULTIMATE.start_main_~j~6 27) (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24472#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,590 INFO L273 TraceCheckUtils]: 61: Hoare triple {24472#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24476#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:18:56,591 INFO L273 TraceCheckUtils]: 62: Hoare triple {24476#(and (<= 31 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 31) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24480#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 30) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,592 INFO L273 TraceCheckUtils]: 63: Hoare triple {24480#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 30) (<= ULTIMATE.start_main_~MAX~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24484#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 30) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 31))} is VALID [2018-12-17 14:18:56,593 INFO L273 TraceCheckUtils]: 64: Hoare triple {24484#(and (<= 31 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 30) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 31))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {24194#false} is VALID [2018-12-17 14:18:56,593 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2018-12-17 14:18:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:18:56,601 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:18:56,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:18:56,629 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:18:56,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:18:56,633 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:18:56,635 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:18:56,635 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:18:56,635 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:18:57,797 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2018-12-17 14:18:57,798 INFO L273 TraceCheckUtils]: 64: Hoare triple {24258#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {24194#false} is VALID [2018-12-17 14:18:57,799 INFO L273 TraceCheckUtils]: 63: Hoare triple {24257#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24258#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:18:57,800 INFO L273 TraceCheckUtils]: 62: Hoare triple {24256#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24257#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,801 INFO L273 TraceCheckUtils]: 61: Hoare triple {24255#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24256#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,802 INFO L273 TraceCheckUtils]: 60: Hoare triple {24254#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24255#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,803 INFO L273 TraceCheckUtils]: 59: Hoare triple {24253#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24254#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,804 INFO L273 TraceCheckUtils]: 58: Hoare triple {24252#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24253#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,805 INFO L273 TraceCheckUtils]: 57: Hoare triple {24251#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24252#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,806 INFO L273 TraceCheckUtils]: 56: Hoare triple {24250#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24251#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,807 INFO L273 TraceCheckUtils]: 55: Hoare triple {24249#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24250#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,807 INFO L273 TraceCheckUtils]: 54: Hoare triple {24248#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24249#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,808 INFO L273 TraceCheckUtils]: 53: Hoare triple {24247#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24248#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,809 INFO L273 TraceCheckUtils]: 52: Hoare triple {24246#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24247#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,810 INFO L273 TraceCheckUtils]: 51: Hoare triple {24245#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24246#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,811 INFO L273 TraceCheckUtils]: 50: Hoare triple {24244#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24245#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,812 INFO L273 TraceCheckUtils]: 49: Hoare triple {24243#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24244#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,813 INFO L273 TraceCheckUtils]: 48: Hoare triple {24242#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24243#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,814 INFO L273 TraceCheckUtils]: 47: Hoare triple {24241#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24242#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,815 INFO L273 TraceCheckUtils]: 46: Hoare triple {24240#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24241#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,816 INFO L273 TraceCheckUtils]: 45: Hoare triple {24239#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24240#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,817 INFO L273 TraceCheckUtils]: 44: Hoare triple {24238#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24239#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,818 INFO L273 TraceCheckUtils]: 43: Hoare triple {24237#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24238#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,819 INFO L273 TraceCheckUtils]: 42: Hoare triple {24236#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24237#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,820 INFO L273 TraceCheckUtils]: 41: Hoare triple {24235#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24236#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,821 INFO L273 TraceCheckUtils]: 40: Hoare triple {24234#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24235#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,822 INFO L273 TraceCheckUtils]: 39: Hoare triple {24233#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24234#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,823 INFO L273 TraceCheckUtils]: 38: Hoare triple {24232#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24233#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,823 INFO L273 TraceCheckUtils]: 37: Hoare triple {24231#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24232#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,824 INFO L273 TraceCheckUtils]: 36: Hoare triple {24230#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24231#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,825 INFO L273 TraceCheckUtils]: 35: Hoare triple {24229#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24230#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,826 INFO L273 TraceCheckUtils]: 34: Hoare triple {24228#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24229#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,827 INFO L273 TraceCheckUtils]: 33: Hoare triple {24227#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {24228#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,828 INFO L273 TraceCheckUtils]: 32: Hoare triple {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {24227#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:18:57,829 INFO L273 TraceCheckUtils]: 31: Hoare triple {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24226#(or (= 31 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:18:57,830 INFO L273 TraceCheckUtils]: 30: Hoare triple {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24352#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:18:57,831 INFO L273 TraceCheckUtils]: 29: Hoare triple {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24224#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:18:57,832 INFO L273 TraceCheckUtils]: 28: Hoare triple {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24223#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,833 INFO L273 TraceCheckUtils]: 27: Hoare triple {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24222#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,834 INFO L273 TraceCheckUtils]: 26: Hoare triple {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24221#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:18:57,835 INFO L273 TraceCheckUtils]: 25: Hoare triple {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24220#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,836 INFO L273 TraceCheckUtils]: 24: Hoare triple {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24219#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,837 INFO L273 TraceCheckUtils]: 23: Hoare triple {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24218#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:18:57,838 INFO L273 TraceCheckUtils]: 22: Hoare triple {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24217#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:18:57,839 INFO L273 TraceCheckUtils]: 21: Hoare triple {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24216#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,839 INFO L273 TraceCheckUtils]: 20: Hoare triple {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24215#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,840 INFO L273 TraceCheckUtils]: 19: Hoare triple {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24214#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,841 INFO L273 TraceCheckUtils]: 18: Hoare triple {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24213#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,842 INFO L273 TraceCheckUtils]: 17: Hoare triple {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24212#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,843 INFO L273 TraceCheckUtils]: 16: Hoare triple {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24211#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:18:57,844 INFO L273 TraceCheckUtils]: 15: Hoare triple {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24210#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:18:57,845 INFO L273 TraceCheckUtils]: 14: Hoare triple {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24209#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,846 INFO L273 TraceCheckUtils]: 13: Hoare triple {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24208#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,847 INFO L273 TraceCheckUtils]: 12: Hoare triple {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24207#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,848 INFO L273 TraceCheckUtils]: 11: Hoare triple {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24206#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:18:57,849 INFO L273 TraceCheckUtils]: 10: Hoare triple {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24205#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,850 INFO L273 TraceCheckUtils]: 9: Hoare triple {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24204#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,851 INFO L273 TraceCheckUtils]: 8: Hoare triple {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24203#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,852 INFO L273 TraceCheckUtils]: 7: Hoare triple {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24202#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:18:57,852 INFO L273 TraceCheckUtils]: 6: Hoare triple {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24201#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,853 INFO L273 TraceCheckUtils]: 5: Hoare triple {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24200#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:18:57,854 INFO L273 TraceCheckUtils]: 4: Hoare triple {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24199#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,855 INFO L273 TraceCheckUtils]: 3: Hoare triple {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24198#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:18:57,856 INFO L273 TraceCheckUtils]: 2: Hoare triple {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24197#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,857 INFO L273 TraceCheckUtils]: 1: Hoare triple {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {24196#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,858 INFO L273 TraceCheckUtils]: 0: Hoare triple {24193#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {24195#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:18:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:18:57,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:18:57,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 99 [2018-12-17 14:18:57,884 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:18:57,884 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2018-12-17 14:18:57,884 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:18:57,884 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 100 states. [2018-12-17 14:18:57,977 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:18:57,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-12-17 14:18:57,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-12-17 14:18:57,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=9605, Unknown=0, NotChecked=0, Total=9900 [2018-12-17 14:18:57,978 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 100 states. [2018-12-17 14:19:18,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:19:18,383 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2018-12-17 14:19:18,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-12-17 14:19:18,384 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2018-12-17 14:19:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:19:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-17 14:19:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-12-17 14:19:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-17 14:19:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-12-17 14:19:18,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 69 states and 74 transitions. [2018-12-17 14:19:18,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:19:18,459 INFO L225 Difference]: With dead ends: 102 [2018-12-17 14:19:18,459 INFO L226 Difference]: Without dead ends: 68 [2018-12-17 14:19:18,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 72 SyntacticMatches, 25 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2958 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=624, Invalid=17198, Unknown=0, NotChecked=0, Total=17822 [2018-12-17 14:19:18,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-17 14:19:20,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-17 14:19:20,023 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:19:20,024 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2018-12-17 14:19:20,024 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2018-12-17 14:19:20,024 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2018-12-17 14:19:20,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:19:20,025 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-12-17 14:19:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2018-12-17 14:19:20,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:19:20,025 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:19:20,025 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2018-12-17 14:19:20,026 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2018-12-17 14:19:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:19:20,026 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-12-17 14:19:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2018-12-17 14:19:20,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:19:20,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:19:20,027 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:19:20,027 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:19:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-17 14:19:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2018-12-17 14:19:20,027 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 66 [2018-12-17 14:19:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:19:20,028 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2018-12-17 14:19:20,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-12-17 14:19:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2018-12-17 14:19:20,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-17 14:19:20,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:19:20,028 INFO L402 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1, 1] [2018-12-17 14:19:20,028 INFO L423 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:19:20,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:19:20,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1906113844, now seen corresponding path program 47 times [2018-12-17 14:19:20,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:19:20,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:19:20,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:19:20,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:19:20,029 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:19:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:19:20,951 INFO L273 TraceCheckUtils]: 0: Hoare triple {25224#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,952 INFO L273 TraceCheckUtils]: 1: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,953 INFO L273 TraceCheckUtils]: 2: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,954 INFO L273 TraceCheckUtils]: 3: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,955 INFO L273 TraceCheckUtils]: 4: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,956 INFO L273 TraceCheckUtils]: 5: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,957 INFO L273 TraceCheckUtils]: 6: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,958 INFO L273 TraceCheckUtils]: 7: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,958 INFO L273 TraceCheckUtils]: 8: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,959 INFO L273 TraceCheckUtils]: 9: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,960 INFO L273 TraceCheckUtils]: 10: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,961 INFO L273 TraceCheckUtils]: 11: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,962 INFO L273 TraceCheckUtils]: 12: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,963 INFO L273 TraceCheckUtils]: 13: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,964 INFO L273 TraceCheckUtils]: 14: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,964 INFO L273 TraceCheckUtils]: 15: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,965 INFO L273 TraceCheckUtils]: 16: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,966 INFO L273 TraceCheckUtils]: 17: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,967 INFO L273 TraceCheckUtils]: 18: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,968 INFO L273 TraceCheckUtils]: 19: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,969 INFO L273 TraceCheckUtils]: 20: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,970 INFO L273 TraceCheckUtils]: 21: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,970 INFO L273 TraceCheckUtils]: 22: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,971 INFO L273 TraceCheckUtils]: 23: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,972 INFO L273 TraceCheckUtils]: 24: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,973 INFO L273 TraceCheckUtils]: 25: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,974 INFO L273 TraceCheckUtils]: 26: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,975 INFO L273 TraceCheckUtils]: 27: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,976 INFO L273 TraceCheckUtils]: 28: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,976 INFO L273 TraceCheckUtils]: 29: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,977 INFO L273 TraceCheckUtils]: 30: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,978 INFO L273 TraceCheckUtils]: 31: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,979 INFO L273 TraceCheckUtils]: 32: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:20,980 INFO L273 TraceCheckUtils]: 33: Hoare triple {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,981 INFO L273 TraceCheckUtils]: 34: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,982 INFO L273 TraceCheckUtils]: 35: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,983 INFO L273 TraceCheckUtils]: 36: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,983 INFO L273 TraceCheckUtils]: 37: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,984 INFO L273 TraceCheckUtils]: 38: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,985 INFO L273 TraceCheckUtils]: 39: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,986 INFO L273 TraceCheckUtils]: 40: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,987 INFO L273 TraceCheckUtils]: 41: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,988 INFO L273 TraceCheckUtils]: 42: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,989 INFO L273 TraceCheckUtils]: 43: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,989 INFO L273 TraceCheckUtils]: 44: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,990 INFO L273 TraceCheckUtils]: 45: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,991 INFO L273 TraceCheckUtils]: 46: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,992 INFO L273 TraceCheckUtils]: 47: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,993 INFO L273 TraceCheckUtils]: 48: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,994 INFO L273 TraceCheckUtils]: 49: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,995 INFO L273 TraceCheckUtils]: 50: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,995 INFO L273 TraceCheckUtils]: 51: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,996 INFO L273 TraceCheckUtils]: 52: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,997 INFO L273 TraceCheckUtils]: 53: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,998 INFO L273 TraceCheckUtils]: 54: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:20,999 INFO L273 TraceCheckUtils]: 55: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,000 INFO L273 TraceCheckUtils]: 56: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,001 INFO L273 TraceCheckUtils]: 57: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,001 INFO L273 TraceCheckUtils]: 58: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,002 INFO L273 TraceCheckUtils]: 59: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,003 INFO L273 TraceCheckUtils]: 60: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,004 INFO L273 TraceCheckUtils]: 61: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,007 INFO L273 TraceCheckUtils]: 62: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,008 INFO L273 TraceCheckUtils]: 63: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,008 INFO L273 TraceCheckUtils]: 64: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,008 INFO L273 TraceCheckUtils]: 65: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {25225#false} is VALID [2018-12-17 14:19:21,009 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2018-12-17 14:19:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:19:21,013 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:19:21,013 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:19:21,014 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:19:21,014 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:19:21,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:19:21,014 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:19:21,022 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:19:21,022 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:19:21,195 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2018-12-17 14:19:21,195 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:19:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:19:21,233 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:19:21,533 INFO L273 TraceCheckUtils]: 0: Hoare triple {25224#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,534 INFO L273 TraceCheckUtils]: 1: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,535 INFO L273 TraceCheckUtils]: 2: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,536 INFO L273 TraceCheckUtils]: 3: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,537 INFO L273 TraceCheckUtils]: 4: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,538 INFO L273 TraceCheckUtils]: 5: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,539 INFO L273 TraceCheckUtils]: 6: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,540 INFO L273 TraceCheckUtils]: 7: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,540 INFO L273 TraceCheckUtils]: 8: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,541 INFO L273 TraceCheckUtils]: 9: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,542 INFO L273 TraceCheckUtils]: 10: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,543 INFO L273 TraceCheckUtils]: 11: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,544 INFO L273 TraceCheckUtils]: 12: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,545 INFO L273 TraceCheckUtils]: 13: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,546 INFO L273 TraceCheckUtils]: 14: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,546 INFO L273 TraceCheckUtils]: 15: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,547 INFO L273 TraceCheckUtils]: 16: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,548 INFO L273 TraceCheckUtils]: 17: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,549 INFO L273 TraceCheckUtils]: 18: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,550 INFO L273 TraceCheckUtils]: 19: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,551 INFO L273 TraceCheckUtils]: 20: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,552 INFO L273 TraceCheckUtils]: 21: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,553 INFO L273 TraceCheckUtils]: 22: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,553 INFO L273 TraceCheckUtils]: 23: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,554 INFO L273 TraceCheckUtils]: 24: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,555 INFO L273 TraceCheckUtils]: 25: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,556 INFO L273 TraceCheckUtils]: 26: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,557 INFO L273 TraceCheckUtils]: 27: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,558 INFO L273 TraceCheckUtils]: 28: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,559 INFO L273 TraceCheckUtils]: 29: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,559 INFO L273 TraceCheckUtils]: 30: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,560 INFO L273 TraceCheckUtils]: 31: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,561 INFO L273 TraceCheckUtils]: 32: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:21,562 INFO L273 TraceCheckUtils]: 33: Hoare triple {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,563 INFO L273 TraceCheckUtils]: 34: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,564 INFO L273 TraceCheckUtils]: 35: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,565 INFO L273 TraceCheckUtils]: 36: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,565 INFO L273 TraceCheckUtils]: 37: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,566 INFO L273 TraceCheckUtils]: 38: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,567 INFO L273 TraceCheckUtils]: 39: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,568 INFO L273 TraceCheckUtils]: 40: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,569 INFO L273 TraceCheckUtils]: 41: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,570 INFO L273 TraceCheckUtils]: 42: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,571 INFO L273 TraceCheckUtils]: 43: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,571 INFO L273 TraceCheckUtils]: 44: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,572 INFO L273 TraceCheckUtils]: 45: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,573 INFO L273 TraceCheckUtils]: 46: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,574 INFO L273 TraceCheckUtils]: 47: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,575 INFO L273 TraceCheckUtils]: 48: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,576 INFO L273 TraceCheckUtils]: 49: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,577 INFO L273 TraceCheckUtils]: 50: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,577 INFO L273 TraceCheckUtils]: 51: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,578 INFO L273 TraceCheckUtils]: 52: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,579 INFO L273 TraceCheckUtils]: 53: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,580 INFO L273 TraceCheckUtils]: 54: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,581 INFO L273 TraceCheckUtils]: 55: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,582 INFO L273 TraceCheckUtils]: 56: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,583 INFO L273 TraceCheckUtils]: 57: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,583 INFO L273 TraceCheckUtils]: 58: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,584 INFO L273 TraceCheckUtils]: 59: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,585 INFO L273 TraceCheckUtils]: 60: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,586 INFO L273 TraceCheckUtils]: 61: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,587 INFO L273 TraceCheckUtils]: 62: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,588 INFO L273 TraceCheckUtils]: 63: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,589 INFO L273 TraceCheckUtils]: 64: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:21,589 INFO L273 TraceCheckUtils]: 65: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {25225#false} is VALID [2018-12-17 14:19:21,589 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2018-12-17 14:19:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:19:21,593 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:19:22,977 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2018-12-17 14:19:22,977 INFO L273 TraceCheckUtils]: 65: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {25225#false} is VALID [2018-12-17 14:19:22,978 INFO L273 TraceCheckUtils]: 64: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,979 INFO L273 TraceCheckUtils]: 63: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,980 INFO L273 TraceCheckUtils]: 62: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,981 INFO L273 TraceCheckUtils]: 61: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,982 INFO L273 TraceCheckUtils]: 60: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,983 INFO L273 TraceCheckUtils]: 59: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,983 INFO L273 TraceCheckUtils]: 58: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,984 INFO L273 TraceCheckUtils]: 57: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,985 INFO L273 TraceCheckUtils]: 56: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,986 INFO L273 TraceCheckUtils]: 55: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,987 INFO L273 TraceCheckUtils]: 54: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,988 INFO L273 TraceCheckUtils]: 53: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,989 INFO L273 TraceCheckUtils]: 52: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,989 INFO L273 TraceCheckUtils]: 51: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,990 INFO L273 TraceCheckUtils]: 50: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,991 INFO L273 TraceCheckUtils]: 49: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,992 INFO L273 TraceCheckUtils]: 48: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,993 INFO L273 TraceCheckUtils]: 47: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,994 INFO L273 TraceCheckUtils]: 46: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,995 INFO L273 TraceCheckUtils]: 45: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,995 INFO L273 TraceCheckUtils]: 44: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,996 INFO L273 TraceCheckUtils]: 43: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,997 INFO L273 TraceCheckUtils]: 42: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,998 INFO L273 TraceCheckUtils]: 41: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:22,999 INFO L273 TraceCheckUtils]: 40: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,000 INFO L273 TraceCheckUtils]: 39: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,001 INFO L273 TraceCheckUtils]: 38: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,001 INFO L273 TraceCheckUtils]: 37: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,002 INFO L273 TraceCheckUtils]: 36: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,003 INFO L273 TraceCheckUtils]: 35: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,004 INFO L273 TraceCheckUtils]: 34: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,005 INFO L273 TraceCheckUtils]: 33: Hoare triple {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,013 INFO L273 TraceCheckUtils]: 32: Hoare triple {25257#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25258#(<= 32 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:23,013 INFO L273 TraceCheckUtils]: 31: Hoare triple {25256#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25257#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,014 INFO L273 TraceCheckUtils]: 30: Hoare triple {25255#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25256#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,015 INFO L273 TraceCheckUtils]: 29: Hoare triple {25254#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25255#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,015 INFO L273 TraceCheckUtils]: 28: Hoare triple {25253#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25254#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,016 INFO L273 TraceCheckUtils]: 27: Hoare triple {25252#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25253#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,016 INFO L273 TraceCheckUtils]: 26: Hoare triple {25251#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25252#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,017 INFO L273 TraceCheckUtils]: 25: Hoare triple {25250#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25251#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,018 INFO L273 TraceCheckUtils]: 24: Hoare triple {25249#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25250#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,019 INFO L273 TraceCheckUtils]: 23: Hoare triple {25248#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25249#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,019 INFO L273 TraceCheckUtils]: 22: Hoare triple {25247#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25248#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,020 INFO L273 TraceCheckUtils]: 21: Hoare triple {25246#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25247#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,021 INFO L273 TraceCheckUtils]: 20: Hoare triple {25245#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25246#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,022 INFO L273 TraceCheckUtils]: 19: Hoare triple {25244#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25245#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,023 INFO L273 TraceCheckUtils]: 18: Hoare triple {25243#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25244#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,024 INFO L273 TraceCheckUtils]: 17: Hoare triple {25242#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25243#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,025 INFO L273 TraceCheckUtils]: 16: Hoare triple {25241#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25242#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,025 INFO L273 TraceCheckUtils]: 15: Hoare triple {25240#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25241#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,026 INFO L273 TraceCheckUtils]: 14: Hoare triple {25239#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25240#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,027 INFO L273 TraceCheckUtils]: 13: Hoare triple {25238#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25239#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,028 INFO L273 TraceCheckUtils]: 12: Hoare triple {25237#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25238#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,029 INFO L273 TraceCheckUtils]: 11: Hoare triple {25236#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25237#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,030 INFO L273 TraceCheckUtils]: 10: Hoare triple {25235#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25236#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,031 INFO L273 TraceCheckUtils]: 9: Hoare triple {25234#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25235#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,031 INFO L273 TraceCheckUtils]: 8: Hoare triple {25233#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25234#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,032 INFO L273 TraceCheckUtils]: 7: Hoare triple {25232#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25233#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,033 INFO L273 TraceCheckUtils]: 6: Hoare triple {25231#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25232#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,034 INFO L273 TraceCheckUtils]: 5: Hoare triple {25230#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25231#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,035 INFO L273 TraceCheckUtils]: 4: Hoare triple {25229#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25230#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,036 INFO L273 TraceCheckUtils]: 3: Hoare triple {25228#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25229#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,037 INFO L273 TraceCheckUtils]: 2: Hoare triple {25227#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25228#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,037 INFO L273 TraceCheckUtils]: 1: Hoare triple {25226#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {25227#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,038 INFO L273 TraceCheckUtils]: 0: Hoare triple {25224#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {25226#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:19:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:19:23,062 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:19:23,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 34 [2018-12-17 14:19:23,063 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:19:23,063 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2018-12-17 14:19:23,063 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:19:23,063 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2018-12-17 14:19:23,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:19:23,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-12-17 14:19:23,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-12-17 14:19:23,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2018-12-17 14:19:23,138 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 35 states. [2018-12-17 14:19:25,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:19:25,760 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-12-17 14:19:25,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-12-17 14:19:25,760 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2018-12-17 14:19:25,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:19:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-17 14:19:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2018-12-17 14:19:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-17 14:19:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2018-12-17 14:19:25,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 67 states and 72 transitions. [2018-12-17 14:19:25,822 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:19:25,823 INFO L225 Difference]: With dead ends: 71 [2018-12-17 14:19:25,823 INFO L226 Difference]: Without dead ends: 69 [2018-12-17 14:19:25,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 101 SyntacticMatches, 64 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1683, Invalid=2739, Unknown=0, NotChecked=0, Total=4422 [2018-12-17 14:19:25,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-17 14:19:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-12-17 14:19:27,552 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:19:27,552 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 69 states. [2018-12-17 14:19:27,552 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2018-12-17 14:19:27,552 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2018-12-17 14:19:27,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:19:27,553 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2018-12-17 14:19:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-12-17 14:19:27,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:19:27,554 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:19:27,554 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2018-12-17 14:19:27,554 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2018-12-17 14:19:27,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:19:27,555 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2018-12-17 14:19:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-12-17 14:19:27,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:19:27,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:19:27,555 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:19:27,555 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:19:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-12-17 14:19:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2018-12-17 14:19:27,556 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 67 [2018-12-17 14:19:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:19:27,557 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2018-12-17 14:19:27,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-12-17 14:19:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-12-17 14:19:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-17 14:19:27,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:19:27,557 INFO L402 BasicCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1] [2018-12-17 14:19:27,558 INFO L423 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:19:27,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:19:27,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1040014794, now seen corresponding path program 48 times [2018-12-17 14:19:27,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:19:27,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:19:27,559 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:19:27,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:19:27,559 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:19:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:19:30,234 INFO L273 TraceCheckUtils]: 0: Hoare triple {26134#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {26136#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,235 INFO L273 TraceCheckUtils]: 1: Hoare triple {26136#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26137#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,236 INFO L273 TraceCheckUtils]: 2: Hoare triple {26137#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26138#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,237 INFO L273 TraceCheckUtils]: 3: Hoare triple {26138#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26139#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:19:30,238 INFO L273 TraceCheckUtils]: 4: Hoare triple {26139#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26140#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,239 INFO L273 TraceCheckUtils]: 5: Hoare triple {26140#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26141#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:19:30,240 INFO L273 TraceCheckUtils]: 6: Hoare triple {26141#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26142#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,241 INFO L273 TraceCheckUtils]: 7: Hoare triple {26142#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26143#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:19:30,242 INFO L273 TraceCheckUtils]: 8: Hoare triple {26143#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26144#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,243 INFO L273 TraceCheckUtils]: 9: Hoare triple {26144#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26145#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,244 INFO L273 TraceCheckUtils]: 10: Hoare triple {26145#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26146#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,245 INFO L273 TraceCheckUtils]: 11: Hoare triple {26146#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26147#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:19:30,246 INFO L273 TraceCheckUtils]: 12: Hoare triple {26147#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26148#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,247 INFO L273 TraceCheckUtils]: 13: Hoare triple {26148#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26149#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,248 INFO L273 TraceCheckUtils]: 14: Hoare triple {26149#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26150#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,249 INFO L273 TraceCheckUtils]: 15: Hoare triple {26150#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26151#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:19:30,249 INFO L273 TraceCheckUtils]: 16: Hoare triple {26151#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26152#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:19:30,250 INFO L273 TraceCheckUtils]: 17: Hoare triple {26152#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26153#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,251 INFO L273 TraceCheckUtils]: 18: Hoare triple {26153#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26154#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,252 INFO L273 TraceCheckUtils]: 19: Hoare triple {26154#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26155#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,253 INFO L273 TraceCheckUtils]: 20: Hoare triple {26155#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26156#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,254 INFO L273 TraceCheckUtils]: 21: Hoare triple {26156#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26157#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,255 INFO L273 TraceCheckUtils]: 22: Hoare triple {26157#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26158#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:19:30,256 INFO L273 TraceCheckUtils]: 23: Hoare triple {26158#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26159#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:19:30,257 INFO L273 TraceCheckUtils]: 24: Hoare triple {26159#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26160#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,258 INFO L273 TraceCheckUtils]: 25: Hoare triple {26160#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26161#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,259 INFO L273 TraceCheckUtils]: 26: Hoare triple {26161#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26162#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:19:30,260 INFO L273 TraceCheckUtils]: 27: Hoare triple {26162#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26163#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,261 INFO L273 TraceCheckUtils]: 28: Hoare triple {26163#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26164#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:30,262 INFO L273 TraceCheckUtils]: 29: Hoare triple {26164#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26165#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:19:30,262 INFO L273 TraceCheckUtils]: 30: Hoare triple {26165#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26166#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:19:30,263 INFO L273 TraceCheckUtils]: 31: Hoare triple {26166#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26167#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:19:30,265 INFO L273 TraceCheckUtils]: 32: Hoare triple {26167#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26168#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 32 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:19:30,266 INFO L273 TraceCheckUtils]: 33: Hoare triple {26168#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 32 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {26169#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,266 INFO L273 TraceCheckUtils]: 34: Hoare triple {26169#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26170#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,267 INFO L273 TraceCheckUtils]: 35: Hoare triple {26170#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26171#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,268 INFO L273 TraceCheckUtils]: 36: Hoare triple {26171#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26172#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,269 INFO L273 TraceCheckUtils]: 37: Hoare triple {26172#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26173#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,270 INFO L273 TraceCheckUtils]: 38: Hoare triple {26173#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26174#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,271 INFO L273 TraceCheckUtils]: 39: Hoare triple {26174#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26175#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,272 INFO L273 TraceCheckUtils]: 40: Hoare triple {26175#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26176#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,273 INFO L273 TraceCheckUtils]: 41: Hoare triple {26176#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26177#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,274 INFO L273 TraceCheckUtils]: 42: Hoare triple {26177#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26178#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,275 INFO L273 TraceCheckUtils]: 43: Hoare triple {26178#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26179#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,276 INFO L273 TraceCheckUtils]: 44: Hoare triple {26179#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26180#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,277 INFO L273 TraceCheckUtils]: 45: Hoare triple {26180#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26181#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,278 INFO L273 TraceCheckUtils]: 46: Hoare triple {26181#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26182#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,279 INFO L273 TraceCheckUtils]: 47: Hoare triple {26182#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26183#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,280 INFO L273 TraceCheckUtils]: 48: Hoare triple {26183#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26184#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,281 INFO L273 TraceCheckUtils]: 49: Hoare triple {26184#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26185#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,282 INFO L273 TraceCheckUtils]: 50: Hoare triple {26185#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26186#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,282 INFO L273 TraceCheckUtils]: 51: Hoare triple {26186#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26187#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,283 INFO L273 TraceCheckUtils]: 52: Hoare triple {26187#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26188#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,284 INFO L273 TraceCheckUtils]: 53: Hoare triple {26188#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26189#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,285 INFO L273 TraceCheckUtils]: 54: Hoare triple {26189#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26190#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,286 INFO L273 TraceCheckUtils]: 55: Hoare triple {26190#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26191#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,287 INFO L273 TraceCheckUtils]: 56: Hoare triple {26191#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26192#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,288 INFO L273 TraceCheckUtils]: 57: Hoare triple {26192#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26193#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,289 INFO L273 TraceCheckUtils]: 58: Hoare triple {26193#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26194#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,290 INFO L273 TraceCheckUtils]: 59: Hoare triple {26194#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26195#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,291 INFO L273 TraceCheckUtils]: 60: Hoare triple {26195#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26196#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,292 INFO L273 TraceCheckUtils]: 61: Hoare triple {26196#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26197#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,293 INFO L273 TraceCheckUtils]: 62: Hoare triple {26197#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26198#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,294 INFO L273 TraceCheckUtils]: 63: Hoare triple {26198#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26199#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,295 INFO L273 TraceCheckUtils]: 64: Hoare triple {26199#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26200#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:19:30,296 INFO L273 TraceCheckUtils]: 65: Hoare triple {26200#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26201#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:19:30,297 INFO L273 TraceCheckUtils]: 66: Hoare triple {26201#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {26135#false} is VALID [2018-12-17 14:19:30,297 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2018-12-17 14:19:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:19:30,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:19:30,304 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:19:30,304 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:19:30,304 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:19:30,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:19:30,304 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:19:30,313 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:19:30,313 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:19:30,355 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:19:30,355 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:19:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:19:30,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:19:33,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:19:33,164 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:19:33,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:19:33,171 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:19:33,174 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:19:33,174 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_790]. (and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (store v_ULTIMATE.start_main_~str2~6_790 31 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:19:33,174 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (select ULTIMATE.start_main_~str2~6 31) (select ULTIMATE.start_main_~str1~6 0))) [2018-12-17 14:19:33,280 INFO L273 TraceCheckUtils]: 0: Hoare triple {26134#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {26134#true} is VALID [2018-12-17 14:19:33,281 INFO L273 TraceCheckUtils]: 1: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,281 INFO L273 TraceCheckUtils]: 2: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,281 INFO L273 TraceCheckUtils]: 3: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,281 INFO L273 TraceCheckUtils]: 4: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,281 INFO L273 TraceCheckUtils]: 5: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,281 INFO L273 TraceCheckUtils]: 6: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,282 INFO L273 TraceCheckUtils]: 7: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,282 INFO L273 TraceCheckUtils]: 8: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,282 INFO L273 TraceCheckUtils]: 9: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,282 INFO L273 TraceCheckUtils]: 10: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,282 INFO L273 TraceCheckUtils]: 11: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,282 INFO L273 TraceCheckUtils]: 12: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,283 INFO L273 TraceCheckUtils]: 13: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,283 INFO L273 TraceCheckUtils]: 14: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,283 INFO L273 TraceCheckUtils]: 15: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,283 INFO L273 TraceCheckUtils]: 16: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,283 INFO L273 TraceCheckUtils]: 17: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,283 INFO L273 TraceCheckUtils]: 18: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,283 INFO L273 TraceCheckUtils]: 19: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 20: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 21: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 22: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 23: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 24: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 25: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 26: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 27: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 28: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,284 INFO L273 TraceCheckUtils]: 29: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,285 INFO L273 TraceCheckUtils]: 30: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,285 INFO L273 TraceCheckUtils]: 31: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,285 INFO L273 TraceCheckUtils]: 32: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:33,285 INFO L273 TraceCheckUtils]: 33: Hoare triple {26134#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {26304#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:19:33,286 INFO L273 TraceCheckUtils]: 34: Hoare triple {26304#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26308#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:19:33,287 INFO L273 TraceCheckUtils]: 35: Hoare triple {26308#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26312#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:19:33,287 INFO L273 TraceCheckUtils]: 36: Hoare triple {26312#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:19:33,288 INFO L273 TraceCheckUtils]: 37: Hoare triple {26316#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26320#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:19:33,289 INFO L273 TraceCheckUtils]: 38: Hoare triple {26320#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26324#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:19:33,290 INFO L273 TraceCheckUtils]: 39: Hoare triple {26324#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26328#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:19:33,291 INFO L273 TraceCheckUtils]: 40: Hoare triple {26328#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26332#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:19:33,291 INFO L273 TraceCheckUtils]: 41: Hoare triple {26332#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:19:33,292 INFO L273 TraceCheckUtils]: 42: Hoare triple {26336#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26340#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:19:33,293 INFO L273 TraceCheckUtils]: 43: Hoare triple {26340#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:19:33,294 INFO L273 TraceCheckUtils]: 44: Hoare triple {26344#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26348#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:19:33,295 INFO L273 TraceCheckUtils]: 45: Hoare triple {26348#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26352#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:19:33,296 INFO L273 TraceCheckUtils]: 46: Hoare triple {26352#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26356#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:19:33,297 INFO L273 TraceCheckUtils]: 47: Hoare triple {26356#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26360#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:19:33,298 INFO L273 TraceCheckUtils]: 48: Hoare triple {26360#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26364#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:19:33,299 INFO L273 TraceCheckUtils]: 49: Hoare triple {26364#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26368#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:19:33,300 INFO L273 TraceCheckUtils]: 50: Hoare triple {26368#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26372#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:19:33,301 INFO L273 TraceCheckUtils]: 51: Hoare triple {26372#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26376#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:19:33,302 INFO L273 TraceCheckUtils]: 52: Hoare triple {26376#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26380#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:19:33,303 INFO L273 TraceCheckUtils]: 53: Hoare triple {26380#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:19:33,304 INFO L273 TraceCheckUtils]: 54: Hoare triple {26384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26388#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:19:33,305 INFO L273 TraceCheckUtils]: 55: Hoare triple {26388#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:19:33,306 INFO L273 TraceCheckUtils]: 56: Hoare triple {26392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26396#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:19:33,307 INFO L273 TraceCheckUtils]: 57: Hoare triple {26396#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26400#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:19:33,308 INFO L273 TraceCheckUtils]: 58: Hoare triple {26400#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26404#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:19:33,309 INFO L273 TraceCheckUtils]: 59: Hoare triple {26404#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26408#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2018-12-17 14:19:33,310 INFO L273 TraceCheckUtils]: 60: Hoare triple {26408#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26412#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2018-12-17 14:19:33,311 INFO L273 TraceCheckUtils]: 61: Hoare triple {26412#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26416#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2018-12-17 14:19:33,312 INFO L273 TraceCheckUtils]: 62: Hoare triple {26416#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:19:33,313 INFO L273 TraceCheckUtils]: 63: Hoare triple {26420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2018-12-17 14:19:33,314 INFO L273 TraceCheckUtils]: 64: Hoare triple {26424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26428#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2018-12-17 14:19:33,315 INFO L273 TraceCheckUtils]: 65: Hoare triple {26428#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26432#(and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (select ULTIMATE.start_main_~str2~6 31) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2018-12-17 14:19:33,318 INFO L273 TraceCheckUtils]: 66: Hoare triple {26432#(and (<= 32 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)) (= (select ULTIMATE.start_main_~str2~6 31) (select ULTIMATE.start_main_~str1~6 0)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {26135#false} is VALID [2018-12-17 14:19:33,318 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2018-12-17 14:19:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2018-12-17 14:19:33,324 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:19:33,488 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:19:33,491 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:19:33,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:19:33,502 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:19:33,505 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:19:33,506 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (or (not (<= 0 ULTIMATE.start_main_~i~6)) (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) (< 0 ULTIMATE.start_main_~i~6)) [2018-12-17 14:19:33,506 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:19:36,894 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2018-12-17 14:19:36,896 INFO L273 TraceCheckUtils]: 66: Hoare triple {26442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {26135#false} is VALID [2018-12-17 14:19:36,897 INFO L273 TraceCheckUtils]: 65: Hoare triple {26446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26442#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,898 INFO L273 TraceCheckUtils]: 64: Hoare triple {26450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26446#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:19:36,899 INFO L273 TraceCheckUtils]: 63: Hoare triple {26454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26450#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:19:36,900 INFO L273 TraceCheckUtils]: 62: Hoare triple {26458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26454#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,901 INFO L273 TraceCheckUtils]: 61: Hoare triple {26462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26458#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,902 INFO L273 TraceCheckUtils]: 60: Hoare triple {26466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26462#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:19:36,903 INFO L273 TraceCheckUtils]: 59: Hoare triple {26470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26466#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:19:36,904 INFO L273 TraceCheckUtils]: 58: Hoare triple {26474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26470#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,905 INFO L273 TraceCheckUtils]: 57: Hoare triple {26478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26474#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,906 INFO L273 TraceCheckUtils]: 56: Hoare triple {26482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26478#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:19:36,908 INFO L273 TraceCheckUtils]: 55: Hoare triple {26486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26482#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,909 INFO L273 TraceCheckUtils]: 54: Hoare triple {26490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26486#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:19:36,910 INFO L273 TraceCheckUtils]: 53: Hoare triple {26494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26490#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,911 INFO L273 TraceCheckUtils]: 52: Hoare triple {26498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26494#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:19:36,912 INFO L273 TraceCheckUtils]: 51: Hoare triple {26502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26498#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,913 INFO L273 TraceCheckUtils]: 50: Hoare triple {26506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26502#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:19:36,914 INFO L273 TraceCheckUtils]: 49: Hoare triple {26510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26506#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:19:36,915 INFO L273 TraceCheckUtils]: 48: Hoare triple {26514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26510#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:19:36,916 INFO L273 TraceCheckUtils]: 47: Hoare triple {26518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26514#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:19:36,917 INFO L273 TraceCheckUtils]: 46: Hoare triple {26522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26518#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:19:36,918 INFO L273 TraceCheckUtils]: 45: Hoare triple {26526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26522#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:19:36,919 INFO L273 TraceCheckUtils]: 44: Hoare triple {26530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26526#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,920 INFO L273 TraceCheckUtils]: 43: Hoare triple {26534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26530#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:19:36,921 INFO L273 TraceCheckUtils]: 42: Hoare triple {26538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26534#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,922 INFO L273 TraceCheckUtils]: 41: Hoare triple {26542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26538#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,924 INFO L273 TraceCheckUtils]: 40: Hoare triple {26546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26542#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2018-12-17 14:19:36,925 INFO L273 TraceCheckUtils]: 39: Hoare triple {26550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26546#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2018-12-17 14:19:36,926 INFO L273 TraceCheckUtils]: 38: Hoare triple {26554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26550#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2018-12-17 14:19:36,927 INFO L273 TraceCheckUtils]: 37: Hoare triple {26558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2018-12-17 14:19:36,928 INFO L273 TraceCheckUtils]: 36: Hoare triple {26562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26558#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2018-12-17 14:19:36,929 INFO L273 TraceCheckUtils]: 35: Hoare triple {26566#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26562#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:19:36,930 INFO L273 TraceCheckUtils]: 34: Hoare triple {26570#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {26566#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:19:36,931 INFO L273 TraceCheckUtils]: 33: Hoare triple {26134#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {26570#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2018-12-17 14:19:36,931 INFO L273 TraceCheckUtils]: 32: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,931 INFO L273 TraceCheckUtils]: 31: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,932 INFO L273 TraceCheckUtils]: 30: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,932 INFO L273 TraceCheckUtils]: 29: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,932 INFO L273 TraceCheckUtils]: 28: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,932 INFO L273 TraceCheckUtils]: 27: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,932 INFO L273 TraceCheckUtils]: 26: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,932 INFO L273 TraceCheckUtils]: 25: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 24: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 23: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 22: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 21: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 20: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 19: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 18: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,933 INFO L273 TraceCheckUtils]: 17: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 16: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 15: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 14: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 13: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 12: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 11: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 10: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 9: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,934 INFO L273 TraceCheckUtils]: 8: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 7: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 6: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 5: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 4: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 3: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 2: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 1: Hoare triple {26134#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {26134#true} is VALID [2018-12-17 14:19:36,935 INFO L273 TraceCheckUtils]: 0: Hoare triple {26134#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {26134#true} is VALID [2018-12-17 14:19:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2018-12-17 14:19:36,969 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:19:36,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 35, 35] total 134 [2018-12-17 14:19:36,969 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:19:36,970 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2018-12-17 14:19:36,970 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:19:36,970 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states. [2018-12-17 14:19:37,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:19:37,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-12-17 14:19:37,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-12-17 14:19:37,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2378, Invalid=15444, Unknown=0, NotChecked=0, Total=17822 [2018-12-17 14:19:37,187 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 101 states. [2018-12-17 14:19:58,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:19:58,747 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2018-12-17 14:19:58,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-12-17 14:19:58,747 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2018-12-17 14:19:58,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:19:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-17 14:19:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2018-12-17 14:19:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-17 14:19:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2018-12-17 14:19:58,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 104 states and 111 transitions. [2018-12-17 14:19:58,867 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:19:58,868 INFO L225 Difference]: With dead ends: 107 [2018-12-17 14:19:58,868 INFO L226 Difference]: Without dead ends: 71 [2018-12-17 14:19:58,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2344 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=3787, Invalid=25283, Unknown=0, NotChecked=0, Total=29070 [2018-12-17 14:19:58,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-17 14:20:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-17 14:20:00,607 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:20:00,608 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2018-12-17 14:20:00,608 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2018-12-17 14:20:00,608 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2018-12-17 14:20:00,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:00,609 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-12-17 14:20:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-12-17 14:20:00,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:20:00,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:20:00,610 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2018-12-17 14:20:00,610 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2018-12-17 14:20:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:00,612 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-12-17 14:20:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-12-17 14:20:00,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:20:00,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:20:00,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:20:00,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:20:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-17 14:20:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2018-12-17 14:20:00,613 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 68 [2018-12-17 14:20:00,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:20:00,614 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2018-12-17 14:20:00,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-12-17 14:20:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-12-17 14:20:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-17 14:20:00,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:20:00,615 INFO L402 BasicCegarLoop]: trace histogram [33, 33, 1, 1, 1, 1] [2018-12-17 14:20:00,615 INFO L423 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:20:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:20:00,615 INFO L82 PathProgramCache]: Analyzing trace with hash -986406475, now seen corresponding path program 49 times [2018-12-17 14:20:00,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:20:00,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:20:00,616 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:20:00,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:20:00,616 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:20:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:20:04,538 INFO L273 TraceCheckUtils]: 0: Hoare triple {27239#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,539 INFO L273 TraceCheckUtils]: 1: Hoare triple {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,540 INFO L273 TraceCheckUtils]: 2: Hoare triple {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,541 INFO L273 TraceCheckUtils]: 3: Hoare triple {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:20:04,542 INFO L273 TraceCheckUtils]: 4: Hoare triple {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,543 INFO L273 TraceCheckUtils]: 5: Hoare triple {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:20:04,544 INFO L273 TraceCheckUtils]: 6: Hoare triple {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,545 INFO L273 TraceCheckUtils]: 7: Hoare triple {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:20:04,546 INFO L273 TraceCheckUtils]: 8: Hoare triple {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,547 INFO L273 TraceCheckUtils]: 9: Hoare triple {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,547 INFO L273 TraceCheckUtils]: 10: Hoare triple {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,548 INFO L273 TraceCheckUtils]: 11: Hoare triple {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:20:04,549 INFO L273 TraceCheckUtils]: 12: Hoare triple {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,550 INFO L273 TraceCheckUtils]: 13: Hoare triple {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,551 INFO L273 TraceCheckUtils]: 14: Hoare triple {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,552 INFO L273 TraceCheckUtils]: 15: Hoare triple {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:20:04,553 INFO L273 TraceCheckUtils]: 16: Hoare triple {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:20:04,554 INFO L273 TraceCheckUtils]: 17: Hoare triple {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,555 INFO L273 TraceCheckUtils]: 18: Hoare triple {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,556 INFO L273 TraceCheckUtils]: 19: Hoare triple {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,557 INFO L273 TraceCheckUtils]: 20: Hoare triple {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,558 INFO L273 TraceCheckUtils]: 21: Hoare triple {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,559 INFO L273 TraceCheckUtils]: 22: Hoare triple {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:20:04,560 INFO L273 TraceCheckUtils]: 23: Hoare triple {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:20:04,560 INFO L273 TraceCheckUtils]: 24: Hoare triple {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,561 INFO L273 TraceCheckUtils]: 25: Hoare triple {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,562 INFO L273 TraceCheckUtils]: 26: Hoare triple {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:20:04,563 INFO L273 TraceCheckUtils]: 27: Hoare triple {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,564 INFO L273 TraceCheckUtils]: 28: Hoare triple {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,565 INFO L273 TraceCheckUtils]: 29: Hoare triple {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:20:04,566 INFO L273 TraceCheckUtils]: 30: Hoare triple {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:20:04,567 INFO L273 TraceCheckUtils]: 31: Hoare triple {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:04,568 INFO L273 TraceCheckUtils]: 32: Hoare triple {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27273#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32)))} is VALID [2018-12-17 14:20:04,569 INFO L273 TraceCheckUtils]: 33: Hoare triple {27273#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:20:04,570 INFO L273 TraceCheckUtils]: 34: Hoare triple {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {27275#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,571 INFO L273 TraceCheckUtils]: 35: Hoare triple {27275#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27276#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,572 INFO L273 TraceCheckUtils]: 36: Hoare triple {27276#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27277#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,573 INFO L273 TraceCheckUtils]: 37: Hoare triple {27277#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27278#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,574 INFO L273 TraceCheckUtils]: 38: Hoare triple {27278#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27279#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,590 INFO L273 TraceCheckUtils]: 39: Hoare triple {27279#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27280#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,591 INFO L273 TraceCheckUtils]: 40: Hoare triple {27280#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27281#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,591 INFO L273 TraceCheckUtils]: 41: Hoare triple {27281#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27282#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,592 INFO L273 TraceCheckUtils]: 42: Hoare triple {27282#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27283#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,592 INFO L273 TraceCheckUtils]: 43: Hoare triple {27283#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27284#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,593 INFO L273 TraceCheckUtils]: 44: Hoare triple {27284#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27285#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,594 INFO L273 TraceCheckUtils]: 45: Hoare triple {27285#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27286#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,594 INFO L273 TraceCheckUtils]: 46: Hoare triple {27286#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27287#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,598 INFO L273 TraceCheckUtils]: 47: Hoare triple {27287#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27288#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,599 INFO L273 TraceCheckUtils]: 48: Hoare triple {27288#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27289#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,600 INFO L273 TraceCheckUtils]: 49: Hoare triple {27289#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27290#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,600 INFO L273 TraceCheckUtils]: 50: Hoare triple {27290#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27291#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,601 INFO L273 TraceCheckUtils]: 51: Hoare triple {27291#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27292#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,601 INFO L273 TraceCheckUtils]: 52: Hoare triple {27292#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27293#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,602 INFO L273 TraceCheckUtils]: 53: Hoare triple {27293#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27294#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,603 INFO L273 TraceCheckUtils]: 54: Hoare triple {27294#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27295#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,604 INFO L273 TraceCheckUtils]: 55: Hoare triple {27295#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27296#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,618 INFO L273 TraceCheckUtils]: 56: Hoare triple {27296#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27297#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,619 INFO L273 TraceCheckUtils]: 57: Hoare triple {27297#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27298#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,619 INFO L273 TraceCheckUtils]: 58: Hoare triple {27298#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27299#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,620 INFO L273 TraceCheckUtils]: 59: Hoare triple {27299#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27300#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,620 INFO L273 TraceCheckUtils]: 60: Hoare triple {27300#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27301#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,621 INFO L273 TraceCheckUtils]: 61: Hoare triple {27301#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27302#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,622 INFO L273 TraceCheckUtils]: 62: Hoare triple {27302#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27303#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,622 INFO L273 TraceCheckUtils]: 63: Hoare triple {27303#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27304#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,623 INFO L273 TraceCheckUtils]: 64: Hoare triple {27304#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27305#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,624 INFO L273 TraceCheckUtils]: 65: Hoare triple {27305#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27306#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,625 INFO L273 TraceCheckUtils]: 66: Hoare triple {27306#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27307#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:04,626 INFO L273 TraceCheckUtils]: 67: Hoare triple {27307#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27308#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:20:04,627 INFO L273 TraceCheckUtils]: 68: Hoare triple {27308#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {27240#false} is VALID [2018-12-17 14:20:04,627 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2018-12-17 14:20:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:20:04,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:20:04,635 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:20:04,635 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:20:04,635 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:20:04,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:20:04,635 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:20:04,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:20:04,643 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:20:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:20:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:20:04,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:20:07,753 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:20:07,759 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:20:07,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:20:07,764 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:20:07,767 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:20:07,767 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_823]. (and (= (store v_ULTIMATE.start_main_~str2~6_823 32 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33)) [2018-12-17 14:20:07,767 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 32) (select ULTIMATE.start_main_~str1~6 0)) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33)) [2018-12-17 14:20:07,874 INFO L273 TraceCheckUtils]: 0: Hoare triple {27239#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,875 INFO L273 TraceCheckUtils]: 1: Hoare triple {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,876 INFO L273 TraceCheckUtils]: 2: Hoare triple {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,877 INFO L273 TraceCheckUtils]: 3: Hoare triple {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:20:07,877 INFO L273 TraceCheckUtils]: 4: Hoare triple {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,878 INFO L273 TraceCheckUtils]: 5: Hoare triple {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:20:07,879 INFO L273 TraceCheckUtils]: 6: Hoare triple {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,880 INFO L273 TraceCheckUtils]: 7: Hoare triple {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:20:07,881 INFO L273 TraceCheckUtils]: 8: Hoare triple {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,882 INFO L273 TraceCheckUtils]: 9: Hoare triple {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,883 INFO L273 TraceCheckUtils]: 10: Hoare triple {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,884 INFO L273 TraceCheckUtils]: 11: Hoare triple {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:20:07,885 INFO L273 TraceCheckUtils]: 12: Hoare triple {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,886 INFO L273 TraceCheckUtils]: 13: Hoare triple {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,887 INFO L273 TraceCheckUtils]: 14: Hoare triple {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,888 INFO L273 TraceCheckUtils]: 15: Hoare triple {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:20:07,889 INFO L273 TraceCheckUtils]: 16: Hoare triple {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:20:07,890 INFO L273 TraceCheckUtils]: 17: Hoare triple {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,890 INFO L273 TraceCheckUtils]: 18: Hoare triple {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,891 INFO L273 TraceCheckUtils]: 19: Hoare triple {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,892 INFO L273 TraceCheckUtils]: 20: Hoare triple {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,893 INFO L273 TraceCheckUtils]: 21: Hoare triple {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,894 INFO L273 TraceCheckUtils]: 22: Hoare triple {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:20:07,895 INFO L273 TraceCheckUtils]: 23: Hoare triple {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:20:07,896 INFO L273 TraceCheckUtils]: 24: Hoare triple {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,897 INFO L273 TraceCheckUtils]: 25: Hoare triple {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,898 INFO L273 TraceCheckUtils]: 26: Hoare triple {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:20:07,899 INFO L273 TraceCheckUtils]: 27: Hoare triple {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,900 INFO L273 TraceCheckUtils]: 28: Hoare triple {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,901 INFO L273 TraceCheckUtils]: 29: Hoare triple {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:20:07,902 INFO L273 TraceCheckUtils]: 30: Hoare triple {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:20:07,903 INFO L273 TraceCheckUtils]: 31: Hoare triple {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:07,903 INFO L273 TraceCheckUtils]: 32: Hoare triple {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:20:07,904 INFO L273 TraceCheckUtils]: 33: Hoare triple {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27412#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:20:07,905 INFO L273 TraceCheckUtils]: 34: Hoare triple {27412#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 33))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {27416#(and (= ULTIMATE.start_main_~j~6 0) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,906 INFO L273 TraceCheckUtils]: 35: Hoare triple {27416#(and (= ULTIMATE.start_main_~j~6 0) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27420#(and (= ULTIMATE.start_main_~j~6 1) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,907 INFO L273 TraceCheckUtils]: 36: Hoare triple {27420#(and (= ULTIMATE.start_main_~j~6 1) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27424#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:20:07,908 INFO L273 TraceCheckUtils]: 37: Hoare triple {27424#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27428#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:20:07,908 INFO L273 TraceCheckUtils]: 38: Hoare triple {27428#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27432#(and (= ULTIMATE.start_main_~j~6 4) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,909 INFO L273 TraceCheckUtils]: 39: Hoare triple {27432#(and (= ULTIMATE.start_main_~j~6 4) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27436#(and (= ULTIMATE.start_main_~j~6 5) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,910 INFO L273 TraceCheckUtils]: 40: Hoare triple {27436#(and (= ULTIMATE.start_main_~j~6 5) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27440#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:20:07,911 INFO L273 TraceCheckUtils]: 41: Hoare triple {27440#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27444#(and (= ULTIMATE.start_main_~j~6 7) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,912 INFO L273 TraceCheckUtils]: 42: Hoare triple {27444#(and (= ULTIMATE.start_main_~j~6 7) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27448#(and (= ULTIMATE.start_main_~j~6 8) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,912 INFO L273 TraceCheckUtils]: 43: Hoare triple {27448#(and (= ULTIMATE.start_main_~j~6 8) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27452#(and (= ULTIMATE.start_main_~j~6 9) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,913 INFO L273 TraceCheckUtils]: 44: Hoare triple {27452#(and (= ULTIMATE.start_main_~j~6 9) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27456#(and (= ULTIMATE.start_main_~j~6 10) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,914 INFO L273 TraceCheckUtils]: 45: Hoare triple {27456#(and (= ULTIMATE.start_main_~j~6 10) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27460#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:20:07,915 INFO L273 TraceCheckUtils]: 46: Hoare triple {27460#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27464#(and (= ULTIMATE.start_main_~j~6 12) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,916 INFO L273 TraceCheckUtils]: 47: Hoare triple {27464#(and (= ULTIMATE.start_main_~j~6 12) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27468#(and (= ULTIMATE.start_main_~j~6 13) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,916 INFO L273 TraceCheckUtils]: 48: Hoare triple {27468#(and (= ULTIMATE.start_main_~j~6 13) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27472#(and (= ULTIMATE.start_main_~j~6 14) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,917 INFO L273 TraceCheckUtils]: 49: Hoare triple {27472#(and (= ULTIMATE.start_main_~j~6 14) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27476#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:20:07,918 INFO L273 TraceCheckUtils]: 50: Hoare triple {27476#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27480#(and (= ULTIMATE.start_main_~j~6 16) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,919 INFO L273 TraceCheckUtils]: 51: Hoare triple {27480#(and (= ULTIMATE.start_main_~j~6 16) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27484#(and (= ULTIMATE.start_main_~j~6 17) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,920 INFO L273 TraceCheckUtils]: 52: Hoare triple {27484#(and (= ULTIMATE.start_main_~j~6 17) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27488#(and (= ULTIMATE.start_main_~j~6 18) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,921 INFO L273 TraceCheckUtils]: 53: Hoare triple {27488#(and (= ULTIMATE.start_main_~j~6 18) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27492#(and (= ULTIMATE.start_main_~j~6 19) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,921 INFO L273 TraceCheckUtils]: 54: Hoare triple {27492#(and (= ULTIMATE.start_main_~j~6 19) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27496#(and (= ULTIMATE.start_main_~j~6 20) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,922 INFO L273 TraceCheckUtils]: 55: Hoare triple {27496#(and (= ULTIMATE.start_main_~j~6 20) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27500#(and (= ULTIMATE.start_main_~j~6 21) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,923 INFO L273 TraceCheckUtils]: 56: Hoare triple {27500#(and (= ULTIMATE.start_main_~j~6 21) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27504#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:20:07,924 INFO L273 TraceCheckUtils]: 57: Hoare triple {27504#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27508#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 23))} is VALID [2018-12-17 14:20:07,925 INFO L273 TraceCheckUtils]: 58: Hoare triple {27508#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27512#(and (= ULTIMATE.start_main_~j~6 24) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,925 INFO L273 TraceCheckUtils]: 59: Hoare triple {27512#(and (= ULTIMATE.start_main_~j~6 24) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27516#(and (= ULTIMATE.start_main_~j~6 25) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,926 INFO L273 TraceCheckUtils]: 60: Hoare triple {27516#(and (= ULTIMATE.start_main_~j~6 25) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27520#(and (= ULTIMATE.start_main_~j~6 26) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,927 INFO L273 TraceCheckUtils]: 61: Hoare triple {27520#(and (= ULTIMATE.start_main_~j~6 26) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27524#(and (= ULTIMATE.start_main_~j~6 27) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,928 INFO L273 TraceCheckUtils]: 62: Hoare triple {27524#(and (= ULTIMATE.start_main_~j~6 27) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27528#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 28))} is VALID [2018-12-17 14:20:07,929 INFO L273 TraceCheckUtils]: 63: Hoare triple {27528#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27532#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:20:07,929 INFO L273 TraceCheckUtils]: 64: Hoare triple {27532#(and (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27536#(and (= ULTIMATE.start_main_~j~6 30) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,930 INFO L273 TraceCheckUtils]: 65: Hoare triple {27536#(and (= ULTIMATE.start_main_~j~6 30) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27540#(and (= ULTIMATE.start_main_~j~6 31) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,931 INFO L273 TraceCheckUtils]: 66: Hoare triple {27540#(and (= ULTIMATE.start_main_~j~6 31) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27544#(and (= ULTIMATE.start_main_~j~6 32) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,932 INFO L273 TraceCheckUtils]: 67: Hoare triple {27544#(and (= ULTIMATE.start_main_~j~6 32) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27548#(and (= (select ULTIMATE.start_main_~str2~6 32) (select ULTIMATE.start_main_~str1~6 0)) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} is VALID [2018-12-17 14:20:07,933 INFO L273 TraceCheckUtils]: 68: Hoare triple {27548#(and (= (select ULTIMATE.start_main_~str2~6 32) (select ULTIMATE.start_main_~str1~6 0)) (<= 33 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 33))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {27240#false} is VALID [2018-12-17 14:20:07,933 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2018-12-17 14:20:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:20:07,943 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:20:07,970 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:20:07,972 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:20:07,976 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:20:07,976 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:20:07,978 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:20:07,978 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:20:07,978 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:20:09,260 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2018-12-17 14:20:09,262 INFO L273 TraceCheckUtils]: 68: Hoare triple {27308#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {27240#false} is VALID [2018-12-17 14:20:09,263 INFO L273 TraceCheckUtils]: 67: Hoare triple {27307#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27308#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:20:09,264 INFO L273 TraceCheckUtils]: 66: Hoare triple {27306#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27307#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,265 INFO L273 TraceCheckUtils]: 65: Hoare triple {27305#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27306#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,266 INFO L273 TraceCheckUtils]: 64: Hoare triple {27304#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27305#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,267 INFO L273 TraceCheckUtils]: 63: Hoare triple {27303#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27304#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,267 INFO L273 TraceCheckUtils]: 62: Hoare triple {27302#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27303#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,268 INFO L273 TraceCheckUtils]: 61: Hoare triple {27301#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27302#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,269 INFO L273 TraceCheckUtils]: 60: Hoare triple {27300#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27301#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,270 INFO L273 TraceCheckUtils]: 59: Hoare triple {27299#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27300#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,271 INFO L273 TraceCheckUtils]: 58: Hoare triple {27298#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27299#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,272 INFO L273 TraceCheckUtils]: 57: Hoare triple {27297#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27298#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,273 INFO L273 TraceCheckUtils]: 56: Hoare triple {27296#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27297#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,274 INFO L273 TraceCheckUtils]: 55: Hoare triple {27295#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27296#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,275 INFO L273 TraceCheckUtils]: 54: Hoare triple {27294#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27295#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,276 INFO L273 TraceCheckUtils]: 53: Hoare triple {27293#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27294#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,277 INFO L273 TraceCheckUtils]: 52: Hoare triple {27292#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27293#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,278 INFO L273 TraceCheckUtils]: 51: Hoare triple {27291#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27292#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,279 INFO L273 TraceCheckUtils]: 50: Hoare triple {27290#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27291#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,280 INFO L273 TraceCheckUtils]: 49: Hoare triple {27289#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27290#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,281 INFO L273 TraceCheckUtils]: 48: Hoare triple {27288#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27289#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,281 INFO L273 TraceCheckUtils]: 47: Hoare triple {27287#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27288#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,282 INFO L273 TraceCheckUtils]: 46: Hoare triple {27286#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27287#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,283 INFO L273 TraceCheckUtils]: 45: Hoare triple {27285#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27286#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,284 INFO L273 TraceCheckUtils]: 44: Hoare triple {27284#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27285#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,300 INFO L273 TraceCheckUtils]: 43: Hoare triple {27283#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27284#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,301 INFO L273 TraceCheckUtils]: 42: Hoare triple {27282#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27283#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,302 INFO L273 TraceCheckUtils]: 41: Hoare triple {27281#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27282#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,302 INFO L273 TraceCheckUtils]: 40: Hoare triple {27280#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27281#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,303 INFO L273 TraceCheckUtils]: 39: Hoare triple {27279#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27280#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,303 INFO L273 TraceCheckUtils]: 38: Hoare triple {27278#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27279#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,304 INFO L273 TraceCheckUtils]: 37: Hoare triple {27277#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27278#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,305 INFO L273 TraceCheckUtils]: 36: Hoare triple {27276#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27277#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,306 INFO L273 TraceCheckUtils]: 35: Hoare triple {27275#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {27276#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,307 INFO L273 TraceCheckUtils]: 34: Hoare triple {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {27275#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:09,308 INFO L273 TraceCheckUtils]: 33: Hoare triple {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27274#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 33 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:20:09,309 INFO L273 TraceCheckUtils]: 32: Hoare triple {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27408#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:20:09,310 INFO L273 TraceCheckUtils]: 31: Hoare triple {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27272#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,311 INFO L273 TraceCheckUtils]: 30: Hoare triple {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27271#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:20:09,312 INFO L273 TraceCheckUtils]: 29: Hoare triple {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27270#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:20:09,313 INFO L273 TraceCheckUtils]: 28: Hoare triple {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27269#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,314 INFO L273 TraceCheckUtils]: 27: Hoare triple {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27268#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,315 INFO L273 TraceCheckUtils]: 26: Hoare triple {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27267#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:20:09,316 INFO L273 TraceCheckUtils]: 25: Hoare triple {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27266#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,317 INFO L273 TraceCheckUtils]: 24: Hoare triple {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27265#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,317 INFO L273 TraceCheckUtils]: 23: Hoare triple {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27264#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:20:09,318 INFO L273 TraceCheckUtils]: 22: Hoare triple {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27263#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:20:09,319 INFO L273 TraceCheckUtils]: 21: Hoare triple {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27262#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,320 INFO L273 TraceCheckUtils]: 20: Hoare triple {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27261#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,321 INFO L273 TraceCheckUtils]: 19: Hoare triple {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27260#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,322 INFO L273 TraceCheckUtils]: 18: Hoare triple {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27259#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,323 INFO L273 TraceCheckUtils]: 17: Hoare triple {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27258#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,324 INFO L273 TraceCheckUtils]: 16: Hoare triple {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27257#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:20:09,325 INFO L273 TraceCheckUtils]: 15: Hoare triple {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27256#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:20:09,326 INFO L273 TraceCheckUtils]: 14: Hoare triple {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27255#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,327 INFO L273 TraceCheckUtils]: 13: Hoare triple {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27254#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,328 INFO L273 TraceCheckUtils]: 12: Hoare triple {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27253#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,329 INFO L273 TraceCheckUtils]: 11: Hoare triple {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27252#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:20:09,330 INFO L273 TraceCheckUtils]: 10: Hoare triple {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27251#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,330 INFO L273 TraceCheckUtils]: 9: Hoare triple {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27250#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,331 INFO L273 TraceCheckUtils]: 8: Hoare triple {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27249#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,332 INFO L273 TraceCheckUtils]: 7: Hoare triple {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27248#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:20:09,333 INFO L273 TraceCheckUtils]: 6: Hoare triple {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27247#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,334 INFO L273 TraceCheckUtils]: 5: Hoare triple {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27246#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:20:09,335 INFO L273 TraceCheckUtils]: 4: Hoare triple {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27245#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,336 INFO L273 TraceCheckUtils]: 3: Hoare triple {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27244#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:20:09,337 INFO L273 TraceCheckUtils]: 2: Hoare triple {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27243#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,338 INFO L273 TraceCheckUtils]: 1: Hoare triple {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {27242#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,339 INFO L273 TraceCheckUtils]: 0: Hoare triple {27239#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {27241#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:20:09,364 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:20:09,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 105 [2018-12-17 14:20:09,365 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:20:09,365 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2018-12-17 14:20:09,365 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:20:09,365 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states. [2018-12-17 14:20:09,463 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:20:09,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-12-17 14:20:09,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-12-17 14:20:09,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=10817, Unknown=0, NotChecked=0, Total=11130 [2018-12-17 14:20:09,465 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 106 states. [2018-12-17 14:20:31,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:31,989 INFO L93 Difference]: Finished difference Result 108 states and 110 transitions. [2018-12-17 14:20:31,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-12-17 14:20:31,989 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2018-12-17 14:20:31,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:20:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-17 14:20:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2018-12-17 14:20:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-17 14:20:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2018-12-17 14:20:31,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 73 states and 78 transitions. [2018-12-17 14:20:32,089 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:20:32,090 INFO L225 Difference]: With dead ends: 108 [2018-12-17 14:20:32,090 INFO L226 Difference]: Without dead ends: 72 [2018-12-17 14:20:32,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 78 SyntacticMatches, 25 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3274 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=662, Invalid=19360, Unknown=0, NotChecked=0, Total=20022 [2018-12-17 14:20:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-17 14:20:33,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-17 14:20:33,875 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:20:33,875 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 72 states. [2018-12-17 14:20:33,875 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2018-12-17 14:20:33,875 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2018-12-17 14:20:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:33,876 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2018-12-17 14:20:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2018-12-17 14:20:33,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:20:33,877 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:20:33,877 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2018-12-17 14:20:33,877 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2018-12-17 14:20:33,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:33,878 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2018-12-17 14:20:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2018-12-17 14:20:33,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:20:33,878 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:20:33,879 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:20:33,879 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:20:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-17 14:20:33,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2018-12-17 14:20:33,879 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 70 [2018-12-17 14:20:33,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:20:33,880 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2018-12-17 14:20:33,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-12-17 14:20:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2018-12-17 14:20:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-17 14:20:33,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:20:33,880 INFO L402 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1, 1] [2018-12-17 14:20:33,880 INFO L423 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:20:33,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:20:33,881 INFO L82 PathProgramCache]: Analyzing trace with hash -227129428, now seen corresponding path program 50 times [2018-12-17 14:20:33,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:20:33,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:20:33,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:20:33,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:20:33,882 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:20:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:20:35,136 INFO L273 TraceCheckUtils]: 0: Hoare triple {28332#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,137 INFO L273 TraceCheckUtils]: 1: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,138 INFO L273 TraceCheckUtils]: 2: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,139 INFO L273 TraceCheckUtils]: 3: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,140 INFO L273 TraceCheckUtils]: 4: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,140 INFO L273 TraceCheckUtils]: 5: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,141 INFO L273 TraceCheckUtils]: 6: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,142 INFO L273 TraceCheckUtils]: 7: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,143 INFO L273 TraceCheckUtils]: 8: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,144 INFO L273 TraceCheckUtils]: 9: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,145 INFO L273 TraceCheckUtils]: 10: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,146 INFO L273 TraceCheckUtils]: 11: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,146 INFO L273 TraceCheckUtils]: 12: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,147 INFO L273 TraceCheckUtils]: 13: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,148 INFO L273 TraceCheckUtils]: 14: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,149 INFO L273 TraceCheckUtils]: 15: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,150 INFO L273 TraceCheckUtils]: 16: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,151 INFO L273 TraceCheckUtils]: 17: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,152 INFO L273 TraceCheckUtils]: 18: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,152 INFO L273 TraceCheckUtils]: 19: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,153 INFO L273 TraceCheckUtils]: 20: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,154 INFO L273 TraceCheckUtils]: 21: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,155 INFO L273 TraceCheckUtils]: 22: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,156 INFO L273 TraceCheckUtils]: 23: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,157 INFO L273 TraceCheckUtils]: 24: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,158 INFO L273 TraceCheckUtils]: 25: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,158 INFO L273 TraceCheckUtils]: 26: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,159 INFO L273 TraceCheckUtils]: 27: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,160 INFO L273 TraceCheckUtils]: 28: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,161 INFO L273 TraceCheckUtils]: 29: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,162 INFO L273 TraceCheckUtils]: 30: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,163 INFO L273 TraceCheckUtils]: 31: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,164 INFO L273 TraceCheckUtils]: 32: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,164 INFO L273 TraceCheckUtils]: 33: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,165 INFO L273 TraceCheckUtils]: 34: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:35,166 INFO L273 TraceCheckUtils]: 35: Hoare triple {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,167 INFO L273 TraceCheckUtils]: 36: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,168 INFO L273 TraceCheckUtils]: 37: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,169 INFO L273 TraceCheckUtils]: 38: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,170 INFO L273 TraceCheckUtils]: 39: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,170 INFO L273 TraceCheckUtils]: 40: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,171 INFO L273 TraceCheckUtils]: 41: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,172 INFO L273 TraceCheckUtils]: 42: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,173 INFO L273 TraceCheckUtils]: 43: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,174 INFO L273 TraceCheckUtils]: 44: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,175 INFO L273 TraceCheckUtils]: 45: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,175 INFO L273 TraceCheckUtils]: 46: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,176 INFO L273 TraceCheckUtils]: 47: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,177 INFO L273 TraceCheckUtils]: 48: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,178 INFO L273 TraceCheckUtils]: 49: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,179 INFO L273 TraceCheckUtils]: 50: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,180 INFO L273 TraceCheckUtils]: 51: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,181 INFO L273 TraceCheckUtils]: 52: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,181 INFO L273 TraceCheckUtils]: 53: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,182 INFO L273 TraceCheckUtils]: 54: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,183 INFO L273 TraceCheckUtils]: 55: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,184 INFO L273 TraceCheckUtils]: 56: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,185 INFO L273 TraceCheckUtils]: 57: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,186 INFO L273 TraceCheckUtils]: 58: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,187 INFO L273 TraceCheckUtils]: 59: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,187 INFO L273 TraceCheckUtils]: 60: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,188 INFO L273 TraceCheckUtils]: 61: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,189 INFO L273 TraceCheckUtils]: 62: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,190 INFO L273 TraceCheckUtils]: 63: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,191 INFO L273 TraceCheckUtils]: 64: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,192 INFO L273 TraceCheckUtils]: 65: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,192 INFO L273 TraceCheckUtils]: 66: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,193 INFO L273 TraceCheckUtils]: 67: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,194 INFO L273 TraceCheckUtils]: 68: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,195 INFO L273 TraceCheckUtils]: 69: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {28333#false} is VALID [2018-12-17 14:20:35,195 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2018-12-17 14:20:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:20:35,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:20:35,200 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:20:35,200 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:20:35,200 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:20:35,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:20:35,200 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:20:35,211 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:20:35,211 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:20:35,401 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2018-12-17 14:20:35,401 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:20:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:20:35,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:20:35,757 INFO L273 TraceCheckUtils]: 0: Hoare triple {28332#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,758 INFO L273 TraceCheckUtils]: 1: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,759 INFO L273 TraceCheckUtils]: 2: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,760 INFO L273 TraceCheckUtils]: 3: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,761 INFO L273 TraceCheckUtils]: 4: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,762 INFO L273 TraceCheckUtils]: 5: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,762 INFO L273 TraceCheckUtils]: 6: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,763 INFO L273 TraceCheckUtils]: 7: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,764 INFO L273 TraceCheckUtils]: 8: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,765 INFO L273 TraceCheckUtils]: 9: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,766 INFO L273 TraceCheckUtils]: 10: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,767 INFO L273 TraceCheckUtils]: 11: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,768 INFO L273 TraceCheckUtils]: 12: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,768 INFO L273 TraceCheckUtils]: 13: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,789 INFO L273 TraceCheckUtils]: 14: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,804 INFO L273 TraceCheckUtils]: 15: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,812 INFO L273 TraceCheckUtils]: 16: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,816 INFO L273 TraceCheckUtils]: 17: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,816 INFO L273 TraceCheckUtils]: 18: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,817 INFO L273 TraceCheckUtils]: 19: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,817 INFO L273 TraceCheckUtils]: 20: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,818 INFO L273 TraceCheckUtils]: 21: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,818 INFO L273 TraceCheckUtils]: 22: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,819 INFO L273 TraceCheckUtils]: 23: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,820 INFO L273 TraceCheckUtils]: 24: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,820 INFO L273 TraceCheckUtils]: 25: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,821 INFO L273 TraceCheckUtils]: 26: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,822 INFO L273 TraceCheckUtils]: 27: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,823 INFO L273 TraceCheckUtils]: 28: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,823 INFO L273 TraceCheckUtils]: 29: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,824 INFO L273 TraceCheckUtils]: 30: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,825 INFO L273 TraceCheckUtils]: 31: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,826 INFO L273 TraceCheckUtils]: 32: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,827 INFO L273 TraceCheckUtils]: 33: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,828 INFO L273 TraceCheckUtils]: 34: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:35,829 INFO L273 TraceCheckUtils]: 35: Hoare triple {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,829 INFO L273 TraceCheckUtils]: 36: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,830 INFO L273 TraceCheckUtils]: 37: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,831 INFO L273 TraceCheckUtils]: 38: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,832 INFO L273 TraceCheckUtils]: 39: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,833 INFO L273 TraceCheckUtils]: 40: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,834 INFO L273 TraceCheckUtils]: 41: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,835 INFO L273 TraceCheckUtils]: 42: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,835 INFO L273 TraceCheckUtils]: 43: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,836 INFO L273 TraceCheckUtils]: 44: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,837 INFO L273 TraceCheckUtils]: 45: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,838 INFO L273 TraceCheckUtils]: 46: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,839 INFO L273 TraceCheckUtils]: 47: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,840 INFO L273 TraceCheckUtils]: 48: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,840 INFO L273 TraceCheckUtils]: 49: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,841 INFO L273 TraceCheckUtils]: 50: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,842 INFO L273 TraceCheckUtils]: 51: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,843 INFO L273 TraceCheckUtils]: 52: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,844 INFO L273 TraceCheckUtils]: 53: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,845 INFO L273 TraceCheckUtils]: 54: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,846 INFO L273 TraceCheckUtils]: 55: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,846 INFO L273 TraceCheckUtils]: 56: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,847 INFO L273 TraceCheckUtils]: 57: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,848 INFO L273 TraceCheckUtils]: 58: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,849 INFO L273 TraceCheckUtils]: 59: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,850 INFO L273 TraceCheckUtils]: 60: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,851 INFO L273 TraceCheckUtils]: 61: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,851 INFO L273 TraceCheckUtils]: 62: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,852 INFO L273 TraceCheckUtils]: 63: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,853 INFO L273 TraceCheckUtils]: 64: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,854 INFO L273 TraceCheckUtils]: 65: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,855 INFO L273 TraceCheckUtils]: 66: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,856 INFO L273 TraceCheckUtils]: 67: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,857 INFO L273 TraceCheckUtils]: 68: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:35,857 INFO L273 TraceCheckUtils]: 69: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {28333#false} is VALID [2018-12-17 14:20:35,857 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2018-12-17 14:20:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:20:35,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:20:37,116 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2018-12-17 14:20:37,116 INFO L273 TraceCheckUtils]: 69: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {28333#false} is VALID [2018-12-17 14:20:37,117 INFO L273 TraceCheckUtils]: 68: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,118 INFO L273 TraceCheckUtils]: 67: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,118 INFO L273 TraceCheckUtils]: 66: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,119 INFO L273 TraceCheckUtils]: 65: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,119 INFO L273 TraceCheckUtils]: 64: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,120 INFO L273 TraceCheckUtils]: 63: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,121 INFO L273 TraceCheckUtils]: 62: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,122 INFO L273 TraceCheckUtils]: 61: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,123 INFO L273 TraceCheckUtils]: 60: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,124 INFO L273 TraceCheckUtils]: 59: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,124 INFO L273 TraceCheckUtils]: 58: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,125 INFO L273 TraceCheckUtils]: 57: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,126 INFO L273 TraceCheckUtils]: 56: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,127 INFO L273 TraceCheckUtils]: 55: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,128 INFO L273 TraceCheckUtils]: 54: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,129 INFO L273 TraceCheckUtils]: 53: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,130 INFO L273 TraceCheckUtils]: 52: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,130 INFO L273 TraceCheckUtils]: 51: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,131 INFO L273 TraceCheckUtils]: 50: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,132 INFO L273 TraceCheckUtils]: 49: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,133 INFO L273 TraceCheckUtils]: 48: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,134 INFO L273 TraceCheckUtils]: 47: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,135 INFO L273 TraceCheckUtils]: 46: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,136 INFO L273 TraceCheckUtils]: 45: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,136 INFO L273 TraceCheckUtils]: 44: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,137 INFO L273 TraceCheckUtils]: 43: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,138 INFO L273 TraceCheckUtils]: 42: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,139 INFO L273 TraceCheckUtils]: 41: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,140 INFO L273 TraceCheckUtils]: 40: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,141 INFO L273 TraceCheckUtils]: 39: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,141 INFO L273 TraceCheckUtils]: 38: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,142 INFO L273 TraceCheckUtils]: 37: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,143 INFO L273 TraceCheckUtils]: 36: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,144 INFO L273 TraceCheckUtils]: 35: Hoare triple {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,145 INFO L273 TraceCheckUtils]: 34: Hoare triple {28367#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28368#(<= 34 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:37,146 INFO L273 TraceCheckUtils]: 33: Hoare triple {28366#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28367#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,147 INFO L273 TraceCheckUtils]: 32: Hoare triple {28365#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28366#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,147 INFO L273 TraceCheckUtils]: 31: Hoare triple {28364#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28365#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,148 INFO L273 TraceCheckUtils]: 30: Hoare triple {28363#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28364#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,149 INFO L273 TraceCheckUtils]: 29: Hoare triple {28362#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28363#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,150 INFO L273 TraceCheckUtils]: 28: Hoare triple {28361#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28362#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,151 INFO L273 TraceCheckUtils]: 27: Hoare triple {28360#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28361#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,152 INFO L273 TraceCheckUtils]: 26: Hoare triple {28359#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28360#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,153 INFO L273 TraceCheckUtils]: 25: Hoare triple {28358#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28359#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,153 INFO L273 TraceCheckUtils]: 24: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,154 INFO L273 TraceCheckUtils]: 23: Hoare triple {28356#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28357#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,155 INFO L273 TraceCheckUtils]: 22: Hoare triple {28355#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28356#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,156 INFO L273 TraceCheckUtils]: 21: Hoare triple {28354#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28355#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,157 INFO L273 TraceCheckUtils]: 20: Hoare triple {28353#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28354#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,158 INFO L273 TraceCheckUtils]: 19: Hoare triple {28352#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28353#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,159 INFO L273 TraceCheckUtils]: 18: Hoare triple {28351#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28352#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,159 INFO L273 TraceCheckUtils]: 17: Hoare triple {28350#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28351#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,160 INFO L273 TraceCheckUtils]: 16: Hoare triple {28349#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28350#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,161 INFO L273 TraceCheckUtils]: 15: Hoare triple {28348#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28349#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,162 INFO L273 TraceCheckUtils]: 14: Hoare triple {28347#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28348#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,163 INFO L273 TraceCheckUtils]: 13: Hoare triple {28346#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28347#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,164 INFO L273 TraceCheckUtils]: 12: Hoare triple {28345#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28346#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,164 INFO L273 TraceCheckUtils]: 11: Hoare triple {28344#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28345#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,165 INFO L273 TraceCheckUtils]: 10: Hoare triple {28343#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28344#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,166 INFO L273 TraceCheckUtils]: 9: Hoare triple {28342#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28343#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,167 INFO L273 TraceCheckUtils]: 8: Hoare triple {28341#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28342#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,168 INFO L273 TraceCheckUtils]: 7: Hoare triple {28340#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28341#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,169 INFO L273 TraceCheckUtils]: 6: Hoare triple {28339#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28340#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,170 INFO L273 TraceCheckUtils]: 5: Hoare triple {28338#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28339#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,170 INFO L273 TraceCheckUtils]: 4: Hoare triple {28337#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28338#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,171 INFO L273 TraceCheckUtils]: 3: Hoare triple {28336#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28337#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,172 INFO L273 TraceCheckUtils]: 2: Hoare triple {28335#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28336#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,173 INFO L273 TraceCheckUtils]: 1: Hoare triple {28334#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28335#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,174 INFO L273 TraceCheckUtils]: 0: Hoare triple {28332#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {28334#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:20:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:20:37,198 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:20:37,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 36 [2018-12-17 14:20:37,199 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:20:37,199 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2018-12-17 14:20:37,199 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:20:37,199 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states. [2018-12-17 14:20:37,277 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:20:37,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-12-17 14:20:37,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-12-17 14:20:37,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2018-12-17 14:20:37,278 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 37 states. [2018-12-17 14:20:40,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:40,161 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2018-12-17 14:20:40,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-12-17 14:20:40,161 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2018-12-17 14:20:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:20:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-17 14:20:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2018-12-17 14:20:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-17 14:20:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2018-12-17 14:20:40,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states and 76 transitions. [2018-12-17 14:20:40,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:20:40,228 INFO L225 Difference]: With dead ends: 75 [2018-12-17 14:20:40,229 INFO L226 Difference]: Without dead ends: 73 [2018-12-17 14:20:40,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 107 SyntacticMatches, 68 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2244 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1890, Invalid=3080, Unknown=0, NotChecked=0, Total=4970 [2018-12-17 14:20:40,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-17 14:20:42,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-17 14:20:42,118 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:20:42,118 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2018-12-17 14:20:42,118 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2018-12-17 14:20:42,118 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2018-12-17 14:20:42,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:42,119 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2018-12-17 14:20:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-12-17 14:20:42,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:20:42,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:20:42,120 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2018-12-17 14:20:42,121 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2018-12-17 14:20:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:20:42,122 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2018-12-17 14:20:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-12-17 14:20:42,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:20:42,122 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:20:42,122 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:20:42,122 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:20:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-17 14:20:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2018-12-17 14:20:42,123 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 71 [2018-12-17 14:20:42,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:20:42,123 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2018-12-17 14:20:42,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-12-17 14:20:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-12-17 14:20:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-17 14:20:42,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:20:42,124 INFO L402 BasicCegarLoop]: trace histogram [34, 34, 1, 1, 1, 1] [2018-12-17 14:20:42,124 INFO L423 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:20:42,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:20:42,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1548924138, now seen corresponding path program 51 times [2018-12-17 14:20:42,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:20:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:20:42,125 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:20:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:20:42,125 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:20:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:20:45,095 INFO L273 TraceCheckUtils]: 0: Hoare triple {29296#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {29298#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,096 INFO L273 TraceCheckUtils]: 1: Hoare triple {29298#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29299#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,097 INFO L273 TraceCheckUtils]: 2: Hoare triple {29299#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29300#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,098 INFO L273 TraceCheckUtils]: 3: Hoare triple {29300#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29301#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:20:45,098 INFO L273 TraceCheckUtils]: 4: Hoare triple {29301#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29302#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,099 INFO L273 TraceCheckUtils]: 5: Hoare triple {29302#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29303#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:20:45,100 INFO L273 TraceCheckUtils]: 6: Hoare triple {29303#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29304#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,101 INFO L273 TraceCheckUtils]: 7: Hoare triple {29304#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29305#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:20:45,102 INFO L273 TraceCheckUtils]: 8: Hoare triple {29305#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29306#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,103 INFO L273 TraceCheckUtils]: 9: Hoare triple {29306#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29307#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,104 INFO L273 TraceCheckUtils]: 10: Hoare triple {29307#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29308#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,105 INFO L273 TraceCheckUtils]: 11: Hoare triple {29308#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29309#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:20:45,106 INFO L273 TraceCheckUtils]: 12: Hoare triple {29309#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29310#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,107 INFO L273 TraceCheckUtils]: 13: Hoare triple {29310#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29311#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,108 INFO L273 TraceCheckUtils]: 14: Hoare triple {29311#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29312#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,109 INFO L273 TraceCheckUtils]: 15: Hoare triple {29312#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29313#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:20:45,110 INFO L273 TraceCheckUtils]: 16: Hoare triple {29313#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29314#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:20:45,111 INFO L273 TraceCheckUtils]: 17: Hoare triple {29314#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29315#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,111 INFO L273 TraceCheckUtils]: 18: Hoare triple {29315#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29316#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,112 INFO L273 TraceCheckUtils]: 19: Hoare triple {29316#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29317#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,113 INFO L273 TraceCheckUtils]: 20: Hoare triple {29317#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29318#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,114 INFO L273 TraceCheckUtils]: 21: Hoare triple {29318#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29319#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,115 INFO L273 TraceCheckUtils]: 22: Hoare triple {29319#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29320#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:20:45,116 INFO L273 TraceCheckUtils]: 23: Hoare triple {29320#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29321#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:20:45,117 INFO L273 TraceCheckUtils]: 24: Hoare triple {29321#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29322#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,118 INFO L273 TraceCheckUtils]: 25: Hoare triple {29322#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29323#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,119 INFO L273 TraceCheckUtils]: 26: Hoare triple {29323#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29324#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:20:45,120 INFO L273 TraceCheckUtils]: 27: Hoare triple {29324#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29325#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,121 INFO L273 TraceCheckUtils]: 28: Hoare triple {29325#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29326#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,122 INFO L273 TraceCheckUtils]: 29: Hoare triple {29326#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29327#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:20:45,123 INFO L273 TraceCheckUtils]: 30: Hoare triple {29327#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29328#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:20:45,123 INFO L273 TraceCheckUtils]: 31: Hoare triple {29328#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29329#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:45,124 INFO L273 TraceCheckUtils]: 32: Hoare triple {29329#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29330#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:20:45,125 INFO L273 TraceCheckUtils]: 33: Hoare triple {29330#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29331#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33)))} is VALID [2018-12-17 14:20:45,126 INFO L273 TraceCheckUtils]: 34: Hoare triple {29331#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29332#(or (= 34 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:20:45,127 INFO L273 TraceCheckUtils]: 35: Hoare triple {29332#(or (= 34 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {29333#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,128 INFO L273 TraceCheckUtils]: 36: Hoare triple {29333#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29334#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,129 INFO L273 TraceCheckUtils]: 37: Hoare triple {29334#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29335#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,130 INFO L273 TraceCheckUtils]: 38: Hoare triple {29335#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29336#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,131 INFO L273 TraceCheckUtils]: 39: Hoare triple {29336#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29337#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,132 INFO L273 TraceCheckUtils]: 40: Hoare triple {29337#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29338#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,133 INFO L273 TraceCheckUtils]: 41: Hoare triple {29338#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29339#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,134 INFO L273 TraceCheckUtils]: 42: Hoare triple {29339#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29340#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,135 INFO L273 TraceCheckUtils]: 43: Hoare triple {29340#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29341#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,136 INFO L273 TraceCheckUtils]: 44: Hoare triple {29341#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29342#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,137 INFO L273 TraceCheckUtils]: 45: Hoare triple {29342#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29343#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,138 INFO L273 TraceCheckUtils]: 46: Hoare triple {29343#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29344#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,139 INFO L273 TraceCheckUtils]: 47: Hoare triple {29344#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29345#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,140 INFO L273 TraceCheckUtils]: 48: Hoare triple {29345#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29346#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,140 INFO L273 TraceCheckUtils]: 49: Hoare triple {29346#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29347#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,141 INFO L273 TraceCheckUtils]: 50: Hoare triple {29347#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29348#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,142 INFO L273 TraceCheckUtils]: 51: Hoare triple {29348#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29349#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,143 INFO L273 TraceCheckUtils]: 52: Hoare triple {29349#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29350#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,144 INFO L273 TraceCheckUtils]: 53: Hoare triple {29350#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29351#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,145 INFO L273 TraceCheckUtils]: 54: Hoare triple {29351#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29352#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,146 INFO L273 TraceCheckUtils]: 55: Hoare triple {29352#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29353#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,147 INFO L273 TraceCheckUtils]: 56: Hoare triple {29353#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29354#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,148 INFO L273 TraceCheckUtils]: 57: Hoare triple {29354#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29355#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,149 INFO L273 TraceCheckUtils]: 58: Hoare triple {29355#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29356#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,150 INFO L273 TraceCheckUtils]: 59: Hoare triple {29356#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29357#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,151 INFO L273 TraceCheckUtils]: 60: Hoare triple {29357#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29358#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,152 INFO L273 TraceCheckUtils]: 61: Hoare triple {29358#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29359#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,153 INFO L273 TraceCheckUtils]: 62: Hoare triple {29359#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29360#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,154 INFO L273 TraceCheckUtils]: 63: Hoare triple {29360#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29361#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,154 INFO L273 TraceCheckUtils]: 64: Hoare triple {29361#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29362#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,155 INFO L273 TraceCheckUtils]: 65: Hoare triple {29362#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29363#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,156 INFO L273 TraceCheckUtils]: 66: Hoare triple {29363#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29364#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,157 INFO L273 TraceCheckUtils]: 67: Hoare triple {29364#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29365#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,158 INFO L273 TraceCheckUtils]: 68: Hoare triple {29365#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29366#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:20:45,159 INFO L273 TraceCheckUtils]: 69: Hoare triple {29366#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29367#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:20:45,160 INFO L273 TraceCheckUtils]: 70: Hoare triple {29367#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {29297#false} is VALID [2018-12-17 14:20:45,160 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2018-12-17 14:20:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:20:45,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:20:45,168 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:20:45,168 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:20:45,169 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:20:45,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:20:45,169 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:20:45,190 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:20:45,190 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:20:45,249 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:20:45,249 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:20:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:20:45,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:20:48,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:20:48,401 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:20:48,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:20:48,408 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:20:48,410 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:20:48,410 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_890]. (and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (store v_ULTIMATE.start_main_~str2~6_890 33 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:20:48,411 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 33))) [2018-12-17 14:20:48,521 INFO L273 TraceCheckUtils]: 0: Hoare triple {29296#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {29296#true} is VALID [2018-12-17 14:20:48,521 INFO L273 TraceCheckUtils]: 1: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,521 INFO L273 TraceCheckUtils]: 2: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,521 INFO L273 TraceCheckUtils]: 3: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,521 INFO L273 TraceCheckUtils]: 4: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 5: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 6: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 7: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 8: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 9: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 10: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 11: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 12: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 13: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,522 INFO L273 TraceCheckUtils]: 14: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 15: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 16: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 17: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 18: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 19: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 20: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 21: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 22: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 23: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,523 INFO L273 TraceCheckUtils]: 24: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 25: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 26: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 27: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 28: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 29: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 30: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 31: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 32: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 33: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,524 INFO L273 TraceCheckUtils]: 34: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:48,525 INFO L273 TraceCheckUtils]: 35: Hoare triple {29296#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {29476#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:20:48,526 INFO L273 TraceCheckUtils]: 36: Hoare triple {29476#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29480#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:20:48,526 INFO L273 TraceCheckUtils]: 37: Hoare triple {29480#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29484#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:20:48,527 INFO L273 TraceCheckUtils]: 38: Hoare triple {29484#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29488#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:20:48,527 INFO L273 TraceCheckUtils]: 39: Hoare triple {29488#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29492#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:20:48,528 INFO L273 TraceCheckUtils]: 40: Hoare triple {29492#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29496#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:20:48,529 INFO L273 TraceCheckUtils]: 41: Hoare triple {29496#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:20:48,530 INFO L273 TraceCheckUtils]: 42: Hoare triple {29500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29504#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:20:48,531 INFO L273 TraceCheckUtils]: 43: Hoare triple {29504#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:20:48,532 INFO L273 TraceCheckUtils]: 44: Hoare triple {29508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29512#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:20:48,533 INFO L273 TraceCheckUtils]: 45: Hoare triple {29512#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:20:48,534 INFO L273 TraceCheckUtils]: 46: Hoare triple {29516#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29520#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:20:48,535 INFO L273 TraceCheckUtils]: 47: Hoare triple {29520#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29524#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:20:48,536 INFO L273 TraceCheckUtils]: 48: Hoare triple {29524#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29528#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:20:48,537 INFO L273 TraceCheckUtils]: 49: Hoare triple {29528#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29532#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:20:48,538 INFO L273 TraceCheckUtils]: 50: Hoare triple {29532#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29536#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:20:48,539 INFO L273 TraceCheckUtils]: 51: Hoare triple {29536#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:20:48,540 INFO L273 TraceCheckUtils]: 52: Hoare triple {29540#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29544#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:20:48,541 INFO L273 TraceCheckUtils]: 53: Hoare triple {29544#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29548#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:20:48,542 INFO L273 TraceCheckUtils]: 54: Hoare triple {29548#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29552#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:20:48,543 INFO L273 TraceCheckUtils]: 55: Hoare triple {29552#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29556#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:20:48,544 INFO L273 TraceCheckUtils]: 56: Hoare triple {29556#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29560#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:20:48,545 INFO L273 TraceCheckUtils]: 57: Hoare triple {29560#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:20:48,546 INFO L273 TraceCheckUtils]: 58: Hoare triple {29564#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29568#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:20:48,547 INFO L273 TraceCheckUtils]: 59: Hoare triple {29568#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29572#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:20:48,548 INFO L273 TraceCheckUtils]: 60: Hoare triple {29572#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29576#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:20:48,549 INFO L273 TraceCheckUtils]: 61: Hoare triple {29576#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29580#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2018-12-17 14:20:48,550 INFO L273 TraceCheckUtils]: 62: Hoare triple {29580#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29584#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2018-12-17 14:20:48,551 INFO L273 TraceCheckUtils]: 63: Hoare triple {29584#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2018-12-17 14:20:48,552 INFO L273 TraceCheckUtils]: 64: Hoare triple {29588#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29592#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:20:48,553 INFO L273 TraceCheckUtils]: 65: Hoare triple {29592#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29596#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2018-12-17 14:20:48,554 INFO L273 TraceCheckUtils]: 66: Hoare triple {29596#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29600#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2018-12-17 14:20:48,555 INFO L273 TraceCheckUtils]: 67: Hoare triple {29600#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29604#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} is VALID [2018-12-17 14:20:48,556 INFO L273 TraceCheckUtils]: 68: Hoare triple {29604#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} is VALID [2018-12-17 14:20:48,557 INFO L273 TraceCheckUtils]: 69: Hoare triple {29608#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29612#(and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 33)))} is VALID [2018-12-17 14:20:48,558 INFO L273 TraceCheckUtils]: 70: Hoare triple {29612#(and (<= 34 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 33)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {29297#false} is VALID [2018-12-17 14:20:48,558 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2018-12-17 14:20:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2018-12-17 14:20:48,565 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:20:48,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:20:48,708 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:20:48,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:20:48,719 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:20:52,525 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2018-12-17 14:20:52,527 INFO L273 TraceCheckUtils]: 70: Hoare triple {29622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {29297#false} is VALID [2018-12-17 14:20:52,528 INFO L273 TraceCheckUtils]: 69: Hoare triple {29626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29622#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,529 INFO L273 TraceCheckUtils]: 68: Hoare triple {29630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29626#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:20:52,530 INFO L273 TraceCheckUtils]: 67: Hoare triple {29634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29630#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:20:52,531 INFO L273 TraceCheckUtils]: 66: Hoare triple {29638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29634#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,532 INFO L273 TraceCheckUtils]: 65: Hoare triple {29642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29638#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,533 INFO L273 TraceCheckUtils]: 64: Hoare triple {29646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29642#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:20:52,534 INFO L273 TraceCheckUtils]: 63: Hoare triple {29650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29646#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:20:52,535 INFO L273 TraceCheckUtils]: 62: Hoare triple {29654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29650#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,536 INFO L273 TraceCheckUtils]: 61: Hoare triple {29658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29654#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,538 INFO L273 TraceCheckUtils]: 60: Hoare triple {29662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29658#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:20:52,539 INFO L273 TraceCheckUtils]: 59: Hoare triple {29666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29662#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,540 INFO L273 TraceCheckUtils]: 58: Hoare triple {29670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29666#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:20:52,541 INFO L273 TraceCheckUtils]: 57: Hoare triple {29674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29670#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,542 INFO L273 TraceCheckUtils]: 56: Hoare triple {29678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29674#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:20:52,543 INFO L273 TraceCheckUtils]: 55: Hoare triple {29682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29678#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,544 INFO L273 TraceCheckUtils]: 54: Hoare triple {29686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29682#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:20:52,545 INFO L273 TraceCheckUtils]: 53: Hoare triple {29690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29686#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:20:52,546 INFO L273 TraceCheckUtils]: 52: Hoare triple {29694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29690#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:20:52,547 INFO L273 TraceCheckUtils]: 51: Hoare triple {29698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29694#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:20:52,548 INFO L273 TraceCheckUtils]: 50: Hoare triple {29702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29698#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:20:52,549 INFO L273 TraceCheckUtils]: 49: Hoare triple {29706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29702#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:20:52,550 INFO L273 TraceCheckUtils]: 48: Hoare triple {29710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29706#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,551 INFO L273 TraceCheckUtils]: 47: Hoare triple {29714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29710#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:20:52,552 INFO L273 TraceCheckUtils]: 46: Hoare triple {29718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29714#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,553 INFO L273 TraceCheckUtils]: 45: Hoare triple {29722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29718#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,555 INFO L273 TraceCheckUtils]: 44: Hoare triple {29726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29722#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2018-12-17 14:20:52,556 INFO L273 TraceCheckUtils]: 43: Hoare triple {29730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29726#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2018-12-17 14:20:52,557 INFO L273 TraceCheckUtils]: 42: Hoare triple {29734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29730#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2018-12-17 14:20:52,558 INFO L273 TraceCheckUtils]: 41: Hoare triple {29738#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29734#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2018-12-17 14:20:52,559 INFO L273 TraceCheckUtils]: 40: Hoare triple {29742#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29738#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2018-12-17 14:20:52,560 INFO L273 TraceCheckUtils]: 39: Hoare triple {29746#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29742#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:20:52,561 INFO L273 TraceCheckUtils]: 38: Hoare triple {29750#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29746#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,562 INFO L273 TraceCheckUtils]: 37: Hoare triple {29754#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29750#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2018-12-17 14:20:52,563 INFO L273 TraceCheckUtils]: 36: Hoare triple {29758#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {29754#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:20:52,564 INFO L273 TraceCheckUtils]: 35: Hoare triple {29296#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {29758#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} is VALID [2018-12-17 14:20:52,564 INFO L273 TraceCheckUtils]: 34: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,564 INFO L273 TraceCheckUtils]: 33: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,565 INFO L273 TraceCheckUtils]: 32: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,565 INFO L273 TraceCheckUtils]: 31: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,565 INFO L273 TraceCheckUtils]: 30: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,565 INFO L273 TraceCheckUtils]: 29: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,565 INFO L273 TraceCheckUtils]: 28: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,565 INFO L273 TraceCheckUtils]: 27: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 26: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 25: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 24: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 23: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 22: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 21: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 20: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,566 INFO L273 TraceCheckUtils]: 19: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 18: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 17: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 16: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 15: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 14: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 13: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 12: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 11: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 10: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,567 INFO L273 TraceCheckUtils]: 9: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,568 INFO L273 TraceCheckUtils]: 8: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,568 INFO L273 TraceCheckUtils]: 7: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,568 INFO L273 TraceCheckUtils]: 6: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,568 INFO L273 TraceCheckUtils]: 5: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,568 INFO L273 TraceCheckUtils]: 4: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,568 INFO L273 TraceCheckUtils]: 3: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,568 INFO L273 TraceCheckUtils]: 2: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,569 INFO L273 TraceCheckUtils]: 1: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2018-12-17 14:20:52,569 INFO L273 TraceCheckUtils]: 0: Hoare triple {29296#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {29296#true} is VALID [2018-12-17 14:20:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2018-12-17 14:20:52,595 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:20:52,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 37, 37] total 142 [2018-12-17 14:20:52,595 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:20:52,595 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2018-12-17 14:20:52,596 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:20:52,596 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states. [2018-12-17 14:20:52,695 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:20:52,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-12-17 14:20:52,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-12-17 14:20:52,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2662, Invalid=17360, Unknown=0, NotChecked=0, Total=20022 [2018-12-17 14:20:52,697 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 107 states. [2018-12-17 14:21:17,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:21:17,872 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2018-12-17 14:21:17,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-12-17 14:21:17,873 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2018-12-17 14:21:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:21:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-17 14:21:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2018-12-17 14:21:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-17 14:21:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2018-12-17 14:21:17,875 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 117 transitions. [2018-12-17 14:21:18,001 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:21:18,002 INFO L225 Difference]: With dead ends: 113 [2018-12-17 14:21:18,002 INFO L226 Difference]: Without dead ends: 75 [2018-12-17 14:21:18,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2626 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=4225, Invalid=28355, Unknown=0, NotChecked=0, Total=32580 [2018-12-17 14:21:18,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-17 14:21:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-12-17 14:21:19,952 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:21:19,952 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2018-12-17 14:21:19,953 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2018-12-17 14:21:19,953 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2018-12-17 14:21:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:21:19,954 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2018-12-17 14:21:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-12-17 14:21:19,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:21:19,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:21:19,955 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2018-12-17 14:21:19,955 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2018-12-17 14:21:19,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:21:19,956 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2018-12-17 14:21:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-12-17 14:21:19,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:21:19,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:21:19,957 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:21:19,957 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:21:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-12-17 14:21:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2018-12-17 14:21:19,958 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 72 [2018-12-17 14:21:19,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:21:19,958 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2018-12-17 14:21:19,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-12-17 14:21:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-12-17 14:21:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-17 14:21:19,958 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:21:19,958 INFO L402 BasicCegarLoop]: trace histogram [35, 35, 1, 1, 1, 1] [2018-12-17 14:21:19,958 INFO L423 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:21:19,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:21:19,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1198231019, now seen corresponding path program 52 times [2018-12-17 14:21:19,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:21:19,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:21:19,959 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:21:19,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:21:19,959 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:21:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:21:23,377 INFO L273 TraceCheckUtils]: 0: Hoare triple {30465#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,378 INFO L273 TraceCheckUtils]: 1: Hoare triple {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,379 INFO L273 TraceCheckUtils]: 2: Hoare triple {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,380 INFO L273 TraceCheckUtils]: 3: Hoare triple {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:21:23,381 INFO L273 TraceCheckUtils]: 4: Hoare triple {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,381 INFO L273 TraceCheckUtils]: 5: Hoare triple {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:21:23,382 INFO L273 TraceCheckUtils]: 6: Hoare triple {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,383 INFO L273 TraceCheckUtils]: 7: Hoare triple {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:21:23,384 INFO L273 TraceCheckUtils]: 8: Hoare triple {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,385 INFO L273 TraceCheckUtils]: 9: Hoare triple {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,386 INFO L273 TraceCheckUtils]: 10: Hoare triple {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,387 INFO L273 TraceCheckUtils]: 11: Hoare triple {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:21:23,388 INFO L273 TraceCheckUtils]: 12: Hoare triple {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,389 INFO L273 TraceCheckUtils]: 13: Hoare triple {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,390 INFO L273 TraceCheckUtils]: 14: Hoare triple {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,391 INFO L273 TraceCheckUtils]: 15: Hoare triple {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:21:23,392 INFO L273 TraceCheckUtils]: 16: Hoare triple {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:21:23,393 INFO L273 TraceCheckUtils]: 17: Hoare triple {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,393 INFO L273 TraceCheckUtils]: 18: Hoare triple {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,394 INFO L273 TraceCheckUtils]: 19: Hoare triple {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,395 INFO L273 TraceCheckUtils]: 20: Hoare triple {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,396 INFO L273 TraceCheckUtils]: 21: Hoare triple {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,397 INFO L273 TraceCheckUtils]: 22: Hoare triple {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:21:23,398 INFO L273 TraceCheckUtils]: 23: Hoare triple {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:21:23,399 INFO L273 TraceCheckUtils]: 24: Hoare triple {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,400 INFO L273 TraceCheckUtils]: 25: Hoare triple {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,401 INFO L273 TraceCheckUtils]: 26: Hoare triple {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:21:23,402 INFO L273 TraceCheckUtils]: 27: Hoare triple {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,403 INFO L273 TraceCheckUtils]: 28: Hoare triple {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,404 INFO L273 TraceCheckUtils]: 29: Hoare triple {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:21:23,405 INFO L273 TraceCheckUtils]: 30: Hoare triple {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:21:23,405 INFO L273 TraceCheckUtils]: 31: Hoare triple {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:23,406 INFO L273 TraceCheckUtils]: 32: Hoare triple {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:21:23,407 INFO L273 TraceCheckUtils]: 33: Hoare triple {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:21:23,408 INFO L273 TraceCheckUtils]: 34: Hoare triple {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30501#(or (and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} is VALID [2018-12-17 14:21:23,409 INFO L273 TraceCheckUtils]: 35: Hoare triple {30501#(or (and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6)) (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:21:23,410 INFO L273 TraceCheckUtils]: 36: Hoare triple {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {30503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,411 INFO L273 TraceCheckUtils]: 37: Hoare triple {30503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,412 INFO L273 TraceCheckUtils]: 38: Hoare triple {30504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,413 INFO L273 TraceCheckUtils]: 39: Hoare triple {30505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,414 INFO L273 TraceCheckUtils]: 40: Hoare triple {30506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,415 INFO L273 TraceCheckUtils]: 41: Hoare triple {30507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,416 INFO L273 TraceCheckUtils]: 42: Hoare triple {30508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,417 INFO L273 TraceCheckUtils]: 43: Hoare triple {30509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,418 INFO L273 TraceCheckUtils]: 44: Hoare triple {30510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,419 INFO L273 TraceCheckUtils]: 45: Hoare triple {30511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,420 INFO L273 TraceCheckUtils]: 46: Hoare triple {30512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,421 INFO L273 TraceCheckUtils]: 47: Hoare triple {30513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,422 INFO L273 TraceCheckUtils]: 48: Hoare triple {30514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,423 INFO L273 TraceCheckUtils]: 49: Hoare triple {30515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,424 INFO L273 TraceCheckUtils]: 50: Hoare triple {30516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,424 INFO L273 TraceCheckUtils]: 51: Hoare triple {30517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,425 INFO L273 TraceCheckUtils]: 52: Hoare triple {30518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,426 INFO L273 TraceCheckUtils]: 53: Hoare triple {30519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,427 INFO L273 TraceCheckUtils]: 54: Hoare triple {30520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,428 INFO L273 TraceCheckUtils]: 55: Hoare triple {30521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,429 INFO L273 TraceCheckUtils]: 56: Hoare triple {30522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,430 INFO L273 TraceCheckUtils]: 57: Hoare triple {30523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,431 INFO L273 TraceCheckUtils]: 58: Hoare triple {30524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,432 INFO L273 TraceCheckUtils]: 59: Hoare triple {30525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,433 INFO L273 TraceCheckUtils]: 60: Hoare triple {30526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,434 INFO L273 TraceCheckUtils]: 61: Hoare triple {30527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,435 INFO L273 TraceCheckUtils]: 62: Hoare triple {30528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,436 INFO L273 TraceCheckUtils]: 63: Hoare triple {30529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,437 INFO L273 TraceCheckUtils]: 64: Hoare triple {30530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,437 INFO L273 TraceCheckUtils]: 65: Hoare triple {30531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,438 INFO L273 TraceCheckUtils]: 66: Hoare triple {30532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,439 INFO L273 TraceCheckUtils]: 67: Hoare triple {30533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,440 INFO L273 TraceCheckUtils]: 68: Hoare triple {30534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,441 INFO L273 TraceCheckUtils]: 69: Hoare triple {30535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,442 INFO L273 TraceCheckUtils]: 70: Hoare triple {30536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:23,443 INFO L273 TraceCheckUtils]: 71: Hoare triple {30537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:21:23,444 INFO L273 TraceCheckUtils]: 72: Hoare triple {30538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {30466#false} is VALID [2018-12-17 14:21:23,444 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2018-12-17 14:21:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:21:23,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:21:23,453 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:21:23,453 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:21:23,453 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:21:23,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:21:23,453 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:21:23,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:21:23,462 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:21:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:21:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:21:23,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:21:26,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:21:26,899 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:21:26,904 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:21:26,904 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:21:26,907 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:21:26,907 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_925]. (and (= (store v_ULTIMATE.start_main_~str2~6_925 34 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35)) [2018-12-17 14:21:26,907 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str2~6 34) (select ULTIMATE.start_main_~str1~6 0)) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35)) [2018-12-17 14:21:27,007 INFO L273 TraceCheckUtils]: 0: Hoare triple {30465#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,008 INFO L273 TraceCheckUtils]: 1: Hoare triple {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,009 INFO L273 TraceCheckUtils]: 2: Hoare triple {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,010 INFO L273 TraceCheckUtils]: 3: Hoare triple {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:21:27,011 INFO L273 TraceCheckUtils]: 4: Hoare triple {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,012 INFO L273 TraceCheckUtils]: 5: Hoare triple {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:21:27,013 INFO L273 TraceCheckUtils]: 6: Hoare triple {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,014 INFO L273 TraceCheckUtils]: 7: Hoare triple {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:21:27,014 INFO L273 TraceCheckUtils]: 8: Hoare triple {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,015 INFO L273 TraceCheckUtils]: 9: Hoare triple {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,016 INFO L273 TraceCheckUtils]: 10: Hoare triple {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,017 INFO L273 TraceCheckUtils]: 11: Hoare triple {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:21:27,018 INFO L273 TraceCheckUtils]: 12: Hoare triple {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,019 INFO L273 TraceCheckUtils]: 13: Hoare triple {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,020 INFO L273 TraceCheckUtils]: 14: Hoare triple {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,021 INFO L273 TraceCheckUtils]: 15: Hoare triple {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:21:27,022 INFO L273 TraceCheckUtils]: 16: Hoare triple {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:21:27,023 INFO L273 TraceCheckUtils]: 17: Hoare triple {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,024 INFO L273 TraceCheckUtils]: 18: Hoare triple {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,025 INFO L273 TraceCheckUtils]: 19: Hoare triple {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,026 INFO L273 TraceCheckUtils]: 20: Hoare triple {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,027 INFO L273 TraceCheckUtils]: 21: Hoare triple {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,027 INFO L273 TraceCheckUtils]: 22: Hoare triple {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:21:27,028 INFO L273 TraceCheckUtils]: 23: Hoare triple {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:21:27,029 INFO L273 TraceCheckUtils]: 24: Hoare triple {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,030 INFO L273 TraceCheckUtils]: 25: Hoare triple {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,031 INFO L273 TraceCheckUtils]: 26: Hoare triple {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:21:27,032 INFO L273 TraceCheckUtils]: 27: Hoare triple {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,033 INFO L273 TraceCheckUtils]: 28: Hoare triple {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,034 INFO L273 TraceCheckUtils]: 29: Hoare triple {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:21:27,035 INFO L273 TraceCheckUtils]: 30: Hoare triple {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:21:27,036 INFO L273 TraceCheckUtils]: 31: Hoare triple {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,037 INFO L273 TraceCheckUtils]: 32: Hoare triple {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:21:27,038 INFO L273 TraceCheckUtils]: 33: Hoare triple {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:21:27,040 INFO L273 TraceCheckUtils]: 34: Hoare triple {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:27,041 INFO L273 TraceCheckUtils]: 35: Hoare triple {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30648#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:21:27,042 INFO L273 TraceCheckUtils]: 36: Hoare triple {30648#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {30652#(and (= ULTIMATE.start_main_~j~6 0) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,043 INFO L273 TraceCheckUtils]: 37: Hoare triple {30652#(and (= ULTIMATE.start_main_~j~6 0) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30656#(and (= ULTIMATE.start_main_~j~6 1) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,044 INFO L273 TraceCheckUtils]: 38: Hoare triple {30656#(and (= ULTIMATE.start_main_~j~6 1) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30660#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,044 INFO L273 TraceCheckUtils]: 39: Hoare triple {30660#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30664#(and (= ULTIMATE.start_main_~j~6 3) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,045 INFO L273 TraceCheckUtils]: 40: Hoare triple {30664#(and (= ULTIMATE.start_main_~j~6 3) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30668#(and (= ULTIMATE.start_main_~j~6 4) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,046 INFO L273 TraceCheckUtils]: 41: Hoare triple {30668#(and (= ULTIMATE.start_main_~j~6 4) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30672#(and (= ULTIMATE.start_main_~j~6 5) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,047 INFO L273 TraceCheckUtils]: 42: Hoare triple {30672#(and (= ULTIMATE.start_main_~j~6 5) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30676#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,048 INFO L273 TraceCheckUtils]: 43: Hoare triple {30676#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30680#(and (= ULTIMATE.start_main_~j~6 7) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,048 INFO L273 TraceCheckUtils]: 44: Hoare triple {30680#(and (= ULTIMATE.start_main_~j~6 7) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30684#(and (= ULTIMATE.start_main_~j~6 8) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,049 INFO L273 TraceCheckUtils]: 45: Hoare triple {30684#(and (= ULTIMATE.start_main_~j~6 8) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30688#(and (= ULTIMATE.start_main_~j~6 9) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,050 INFO L273 TraceCheckUtils]: 46: Hoare triple {30688#(and (= ULTIMATE.start_main_~j~6 9) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30692#(and (= ULTIMATE.start_main_~j~6 10) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,051 INFO L273 TraceCheckUtils]: 47: Hoare triple {30692#(and (= ULTIMATE.start_main_~j~6 10) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30696#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,052 INFO L273 TraceCheckUtils]: 48: Hoare triple {30696#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 11) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30700#(and (= ULTIMATE.start_main_~j~6 12) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,052 INFO L273 TraceCheckUtils]: 49: Hoare triple {30700#(and (= ULTIMATE.start_main_~j~6 12) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30704#(and (= ULTIMATE.start_main_~j~6 13) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,053 INFO L273 TraceCheckUtils]: 50: Hoare triple {30704#(and (= ULTIMATE.start_main_~j~6 13) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30708#(and (= ULTIMATE.start_main_~j~6 14) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,054 INFO L273 TraceCheckUtils]: 51: Hoare triple {30708#(and (= ULTIMATE.start_main_~j~6 14) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30712#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:21:27,055 INFO L273 TraceCheckUtils]: 52: Hoare triple {30712#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30716#(and (= ULTIMATE.start_main_~j~6 16) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,055 INFO L273 TraceCheckUtils]: 53: Hoare triple {30716#(and (= ULTIMATE.start_main_~j~6 16) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30720#(and (= ULTIMATE.start_main_~j~6 17) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,056 INFO L273 TraceCheckUtils]: 54: Hoare triple {30720#(and (= ULTIMATE.start_main_~j~6 17) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30724#(and (= ULTIMATE.start_main_~j~6 18) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,057 INFO L273 TraceCheckUtils]: 55: Hoare triple {30724#(and (= ULTIMATE.start_main_~j~6 18) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30728#(and (= ULTIMATE.start_main_~j~6 19) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,058 INFO L273 TraceCheckUtils]: 56: Hoare triple {30728#(and (= ULTIMATE.start_main_~j~6 19) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30732#(and (= ULTIMATE.start_main_~j~6 20) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,058 INFO L273 TraceCheckUtils]: 57: Hoare triple {30732#(and (= ULTIMATE.start_main_~j~6 20) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30736#(and (= ULTIMATE.start_main_~j~6 21) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,059 INFO L273 TraceCheckUtils]: 58: Hoare triple {30736#(and (= ULTIMATE.start_main_~j~6 21) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30740#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:21:27,060 INFO L273 TraceCheckUtils]: 59: Hoare triple {30740#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30744#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,061 INFO L273 TraceCheckUtils]: 60: Hoare triple {30744#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 23) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30748#(and (= ULTIMATE.start_main_~j~6 24) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,062 INFO L273 TraceCheckUtils]: 61: Hoare triple {30748#(and (= ULTIMATE.start_main_~j~6 24) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30752#(and (= ULTIMATE.start_main_~j~6 25) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,062 INFO L273 TraceCheckUtils]: 62: Hoare triple {30752#(and (= ULTIMATE.start_main_~j~6 25) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30756#(and (= ULTIMATE.start_main_~j~6 26) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,063 INFO L273 TraceCheckUtils]: 63: Hoare triple {30756#(and (= ULTIMATE.start_main_~j~6 26) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30760#(and (= ULTIMATE.start_main_~j~6 27) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,064 INFO L273 TraceCheckUtils]: 64: Hoare triple {30760#(and (= ULTIMATE.start_main_~j~6 27) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30764#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,065 INFO L273 TraceCheckUtils]: 65: Hoare triple {30764#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 28) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30768#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:21:27,066 INFO L273 TraceCheckUtils]: 66: Hoare triple {30768#(and (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30772#(and (= ULTIMATE.start_main_~j~6 30) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,066 INFO L273 TraceCheckUtils]: 67: Hoare triple {30772#(and (= ULTIMATE.start_main_~j~6 30) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30776#(and (= ULTIMATE.start_main_~j~6 31) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,067 INFO L273 TraceCheckUtils]: 68: Hoare triple {30776#(and (= ULTIMATE.start_main_~j~6 31) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30780#(and (= ULTIMATE.start_main_~j~6 32) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,069 INFO L273 TraceCheckUtils]: 69: Hoare triple {30780#(and (= ULTIMATE.start_main_~j~6 32) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30784#(and (= ULTIMATE.start_main_~j~6 33) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,070 INFO L273 TraceCheckUtils]: 70: Hoare triple {30784#(and (= ULTIMATE.start_main_~j~6 33) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30788#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 34) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,070 INFO L273 TraceCheckUtils]: 71: Hoare triple {30788#(and (<= 35 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 34) (<= ULTIMATE.start_main_~MAX~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30792#(and (= (select ULTIMATE.start_main_~str2~6 34) (select ULTIMATE.start_main_~str1~6 0)) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} is VALID [2018-12-17 14:21:27,071 INFO L273 TraceCheckUtils]: 72: Hoare triple {30792#(and (= (select ULTIMATE.start_main_~str2~6 34) (select ULTIMATE.start_main_~str1~6 0)) (<= 35 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 35))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {30466#false} is VALID [2018-12-17 14:21:27,071 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2018-12-17 14:21:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:21:27,081 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:21:27,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:21:27,112 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:21:27,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:21:27,116 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:21:27,118 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:21:27,118 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:21:27,119 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:21:28,470 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2018-12-17 14:21:28,471 INFO L273 TraceCheckUtils]: 72: Hoare triple {30538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {30466#false} is VALID [2018-12-17 14:21:28,472 INFO L273 TraceCheckUtils]: 71: Hoare triple {30537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:21:28,473 INFO L273 TraceCheckUtils]: 70: Hoare triple {30536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,474 INFO L273 TraceCheckUtils]: 69: Hoare triple {30535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,475 INFO L273 TraceCheckUtils]: 68: Hoare triple {30534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,476 INFO L273 TraceCheckUtils]: 67: Hoare triple {30533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,477 INFO L273 TraceCheckUtils]: 66: Hoare triple {30532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,478 INFO L273 TraceCheckUtils]: 65: Hoare triple {30531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,478 INFO L273 TraceCheckUtils]: 64: Hoare triple {30530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,479 INFO L273 TraceCheckUtils]: 63: Hoare triple {30529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,480 INFO L273 TraceCheckUtils]: 62: Hoare triple {30528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,481 INFO L273 TraceCheckUtils]: 61: Hoare triple {30527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,482 INFO L273 TraceCheckUtils]: 60: Hoare triple {30526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,483 INFO L273 TraceCheckUtils]: 59: Hoare triple {30525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,484 INFO L273 TraceCheckUtils]: 58: Hoare triple {30524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,485 INFO L273 TraceCheckUtils]: 57: Hoare triple {30523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,486 INFO L273 TraceCheckUtils]: 56: Hoare triple {30522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,487 INFO L273 TraceCheckUtils]: 55: Hoare triple {30521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,488 INFO L273 TraceCheckUtils]: 54: Hoare triple {30520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,489 INFO L273 TraceCheckUtils]: 53: Hoare triple {30519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,490 INFO L273 TraceCheckUtils]: 52: Hoare triple {30518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,491 INFO L273 TraceCheckUtils]: 51: Hoare triple {30517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,492 INFO L273 TraceCheckUtils]: 50: Hoare triple {30516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,492 INFO L273 TraceCheckUtils]: 49: Hoare triple {30515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,493 INFO L273 TraceCheckUtils]: 48: Hoare triple {30514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,494 INFO L273 TraceCheckUtils]: 47: Hoare triple {30513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,495 INFO L273 TraceCheckUtils]: 46: Hoare triple {30512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,496 INFO L273 TraceCheckUtils]: 45: Hoare triple {30511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,497 INFO L273 TraceCheckUtils]: 44: Hoare triple {30510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,498 INFO L273 TraceCheckUtils]: 43: Hoare triple {30509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,499 INFO L273 TraceCheckUtils]: 42: Hoare triple {30508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,500 INFO L273 TraceCheckUtils]: 41: Hoare triple {30507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,501 INFO L273 TraceCheckUtils]: 40: Hoare triple {30506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,502 INFO L273 TraceCheckUtils]: 39: Hoare triple {30505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,503 INFO L273 TraceCheckUtils]: 38: Hoare triple {30504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,504 INFO L273 TraceCheckUtils]: 37: Hoare triple {30503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {30504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,505 INFO L273 TraceCheckUtils]: 36: Hoare triple {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {30503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:28,506 INFO L273 TraceCheckUtils]: 35: Hoare triple {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30502#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 35 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:21:28,507 INFO L273 TraceCheckUtils]: 34: Hoare triple {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30644#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,507 INFO L273 TraceCheckUtils]: 33: Hoare triple {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30500#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:21:28,508 INFO L273 TraceCheckUtils]: 32: Hoare triple {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30499#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:21:28,509 INFO L273 TraceCheckUtils]: 31: Hoare triple {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30498#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,510 INFO L273 TraceCheckUtils]: 30: Hoare triple {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30497#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:21:28,511 INFO L273 TraceCheckUtils]: 29: Hoare triple {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30496#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:21:28,512 INFO L273 TraceCheckUtils]: 28: Hoare triple {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30495#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,513 INFO L273 TraceCheckUtils]: 27: Hoare triple {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30494#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,514 INFO L273 TraceCheckUtils]: 26: Hoare triple {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30493#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:21:28,515 INFO L273 TraceCheckUtils]: 25: Hoare triple {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30492#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,516 INFO L273 TraceCheckUtils]: 24: Hoare triple {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30491#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,517 INFO L273 TraceCheckUtils]: 23: Hoare triple {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30490#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:21:28,518 INFO L273 TraceCheckUtils]: 22: Hoare triple {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30489#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:21:28,519 INFO L273 TraceCheckUtils]: 21: Hoare triple {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30488#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,520 INFO L273 TraceCheckUtils]: 20: Hoare triple {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30487#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,520 INFO L273 TraceCheckUtils]: 19: Hoare triple {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30486#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,521 INFO L273 TraceCheckUtils]: 18: Hoare triple {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30485#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,522 INFO L273 TraceCheckUtils]: 17: Hoare triple {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30484#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,523 INFO L273 TraceCheckUtils]: 16: Hoare triple {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30483#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:21:28,524 INFO L273 TraceCheckUtils]: 15: Hoare triple {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30482#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:21:28,525 INFO L273 TraceCheckUtils]: 14: Hoare triple {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30481#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,526 INFO L273 TraceCheckUtils]: 13: Hoare triple {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30480#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,527 INFO L273 TraceCheckUtils]: 12: Hoare triple {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30479#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,528 INFO L273 TraceCheckUtils]: 11: Hoare triple {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30478#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:21:28,529 INFO L273 TraceCheckUtils]: 10: Hoare triple {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30477#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,530 INFO L273 TraceCheckUtils]: 9: Hoare triple {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30476#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,531 INFO L273 TraceCheckUtils]: 8: Hoare triple {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30475#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,532 INFO L273 TraceCheckUtils]: 7: Hoare triple {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30474#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:21:28,532 INFO L273 TraceCheckUtils]: 6: Hoare triple {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30473#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,533 INFO L273 TraceCheckUtils]: 5: Hoare triple {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30472#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:21:28,534 INFO L273 TraceCheckUtils]: 4: Hoare triple {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30471#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,535 INFO L273 TraceCheckUtils]: 3: Hoare triple {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30470#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:21:28,536 INFO L273 TraceCheckUtils]: 2: Hoare triple {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30469#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,537 INFO L273 TraceCheckUtils]: 1: Hoare triple {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {30468#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,538 INFO L273 TraceCheckUtils]: 0: Hoare triple {30465#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {30467#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:21:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:21:28,565 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:21:28,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73, 73] total 111 [2018-12-17 14:21:28,565 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:21:28,565 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2018-12-17 14:21:28,565 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:21:28,565 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 112 states. [2018-12-17 14:21:28,682 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:21:28,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-12-17 14:21:28,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-12-17 14:21:28,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=12101, Unknown=0, NotChecked=0, Total=12432 [2018-12-17 14:21:28,683 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 112 states. [2018-12-17 14:21:50,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:21:50,256 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2018-12-17 14:21:50,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-12-17 14:21:50,256 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2018-12-17 14:21:50,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:21:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-17 14:21:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2018-12-17 14:21:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-17 14:21:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2018-12-17 14:21:50,258 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 82 transitions. [2018-12-17 14:21:50,351 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:21:50,352 INFO L225 Difference]: With dead ends: 114 [2018-12-17 14:21:50,353 INFO L226 Difference]: Without dead ends: 76 [2018-12-17 14:21:50,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 83 SyntacticMatches, 26 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3645 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=700, Invalid=21650, Unknown=0, NotChecked=0, Total=22350 [2018-12-17 14:21:50,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-17 14:21:52,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-17 14:21:52,344 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:21:52,344 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 76 states. [2018-12-17 14:21:52,345 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2018-12-17 14:21:52,345 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2018-12-17 14:21:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:21:52,346 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2018-12-17 14:21:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2018-12-17 14:21:52,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:21:52,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:21:52,347 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2018-12-17 14:21:52,347 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2018-12-17 14:21:52,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:21:52,348 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2018-12-17 14:21:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2018-12-17 14:21:52,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:21:52,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:21:52,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:21:52,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:21:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-17 14:21:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2018-12-17 14:21:52,349 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 74 [2018-12-17 14:21:52,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:21:52,349 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2018-12-17 14:21:52,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-12-17 14:21:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2018-12-17 14:21:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-17 14:21:52,350 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:21:52,350 INFO L402 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1, 1] [2018-12-17 14:21:52,350 INFO L423 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:21:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:21:52,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2146155380, now seen corresponding path program 53 times [2018-12-17 14:21:52,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:21:52,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:21:52,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:21:52,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:21:52,352 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:21:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:21:53,950 INFO L273 TraceCheckUtils]: 0: Hoare triple {31620#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,951 INFO L273 TraceCheckUtils]: 1: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,951 INFO L273 TraceCheckUtils]: 2: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,952 INFO L273 TraceCheckUtils]: 3: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,953 INFO L273 TraceCheckUtils]: 4: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,954 INFO L273 TraceCheckUtils]: 5: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,955 INFO L273 TraceCheckUtils]: 6: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,956 INFO L273 TraceCheckUtils]: 7: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,957 INFO L273 TraceCheckUtils]: 8: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,958 INFO L273 TraceCheckUtils]: 9: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,958 INFO L273 TraceCheckUtils]: 10: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,959 INFO L273 TraceCheckUtils]: 11: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,960 INFO L273 TraceCheckUtils]: 12: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,961 INFO L273 TraceCheckUtils]: 13: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,962 INFO L273 TraceCheckUtils]: 14: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,963 INFO L273 TraceCheckUtils]: 15: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,964 INFO L273 TraceCheckUtils]: 16: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,964 INFO L273 TraceCheckUtils]: 17: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,965 INFO L273 TraceCheckUtils]: 18: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,966 INFO L273 TraceCheckUtils]: 19: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,967 INFO L273 TraceCheckUtils]: 20: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,968 INFO L273 TraceCheckUtils]: 21: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,969 INFO L273 TraceCheckUtils]: 22: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,970 INFO L273 TraceCheckUtils]: 23: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,970 INFO L273 TraceCheckUtils]: 24: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,971 INFO L273 TraceCheckUtils]: 25: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,972 INFO L273 TraceCheckUtils]: 26: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,973 INFO L273 TraceCheckUtils]: 27: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,974 INFO L273 TraceCheckUtils]: 28: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,975 INFO L273 TraceCheckUtils]: 29: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,975 INFO L273 TraceCheckUtils]: 30: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,976 INFO L273 TraceCheckUtils]: 31: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,977 INFO L273 TraceCheckUtils]: 32: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,978 INFO L273 TraceCheckUtils]: 33: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,979 INFO L273 TraceCheckUtils]: 34: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,980 INFO L273 TraceCheckUtils]: 35: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,981 INFO L273 TraceCheckUtils]: 36: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:53,981 INFO L273 TraceCheckUtils]: 37: Hoare triple {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,982 INFO L273 TraceCheckUtils]: 38: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,983 INFO L273 TraceCheckUtils]: 39: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,984 INFO L273 TraceCheckUtils]: 40: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,985 INFO L273 TraceCheckUtils]: 41: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,986 INFO L273 TraceCheckUtils]: 42: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,987 INFO L273 TraceCheckUtils]: 43: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,987 INFO L273 TraceCheckUtils]: 44: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,988 INFO L273 TraceCheckUtils]: 45: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,989 INFO L273 TraceCheckUtils]: 46: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,990 INFO L273 TraceCheckUtils]: 47: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,991 INFO L273 TraceCheckUtils]: 48: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,992 INFO L273 TraceCheckUtils]: 49: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,993 INFO L273 TraceCheckUtils]: 50: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,993 INFO L273 TraceCheckUtils]: 51: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,994 INFO L273 TraceCheckUtils]: 52: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,995 INFO L273 TraceCheckUtils]: 53: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,996 INFO L273 TraceCheckUtils]: 54: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,997 INFO L273 TraceCheckUtils]: 55: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,998 INFO L273 TraceCheckUtils]: 56: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,998 INFO L273 TraceCheckUtils]: 57: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:53,999 INFO L273 TraceCheckUtils]: 58: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,000 INFO L273 TraceCheckUtils]: 59: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,001 INFO L273 TraceCheckUtils]: 60: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,002 INFO L273 TraceCheckUtils]: 61: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,003 INFO L273 TraceCheckUtils]: 62: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,004 INFO L273 TraceCheckUtils]: 63: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,004 INFO L273 TraceCheckUtils]: 64: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,005 INFO L273 TraceCheckUtils]: 65: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,006 INFO L273 TraceCheckUtils]: 66: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,007 INFO L273 TraceCheckUtils]: 67: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,008 INFO L273 TraceCheckUtils]: 68: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,009 INFO L273 TraceCheckUtils]: 69: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,009 INFO L273 TraceCheckUtils]: 70: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,010 INFO L273 TraceCheckUtils]: 71: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,011 INFO L273 TraceCheckUtils]: 72: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,012 INFO L273 TraceCheckUtils]: 73: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {31621#false} is VALID [2018-12-17 14:21:54,012 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2018-12-17 14:21:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:21:54,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:21:54,017 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:21:54,018 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:21:54,018 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:21:54,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:21:54,018 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:21:54,027 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:21:54,027 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:21:54,244 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2018-12-17 14:21:54,244 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:21:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:21:54,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:21:54,629 INFO L273 TraceCheckUtils]: 0: Hoare triple {31620#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,630 INFO L273 TraceCheckUtils]: 1: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,631 INFO L273 TraceCheckUtils]: 2: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,632 INFO L273 TraceCheckUtils]: 3: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,633 INFO L273 TraceCheckUtils]: 4: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,634 INFO L273 TraceCheckUtils]: 5: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,634 INFO L273 TraceCheckUtils]: 6: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,635 INFO L273 TraceCheckUtils]: 7: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,636 INFO L273 TraceCheckUtils]: 8: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,637 INFO L273 TraceCheckUtils]: 9: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,638 INFO L273 TraceCheckUtils]: 10: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,639 INFO L273 TraceCheckUtils]: 11: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,640 INFO L273 TraceCheckUtils]: 12: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,640 INFO L273 TraceCheckUtils]: 13: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,641 INFO L273 TraceCheckUtils]: 14: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,642 INFO L273 TraceCheckUtils]: 15: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,643 INFO L273 TraceCheckUtils]: 16: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,644 INFO L273 TraceCheckUtils]: 17: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,645 INFO L273 TraceCheckUtils]: 18: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,646 INFO L273 TraceCheckUtils]: 19: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,646 INFO L273 TraceCheckUtils]: 20: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,647 INFO L273 TraceCheckUtils]: 21: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,648 INFO L273 TraceCheckUtils]: 22: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,649 INFO L273 TraceCheckUtils]: 23: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,650 INFO L273 TraceCheckUtils]: 24: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,651 INFO L273 TraceCheckUtils]: 25: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,651 INFO L273 TraceCheckUtils]: 26: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,652 INFO L273 TraceCheckUtils]: 27: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,653 INFO L273 TraceCheckUtils]: 28: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,654 INFO L273 TraceCheckUtils]: 29: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,655 INFO L273 TraceCheckUtils]: 30: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,656 INFO L273 TraceCheckUtils]: 31: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,657 INFO L273 TraceCheckUtils]: 32: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,657 INFO L273 TraceCheckUtils]: 33: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,658 INFO L273 TraceCheckUtils]: 34: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,659 INFO L273 TraceCheckUtils]: 35: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,660 INFO L273 TraceCheckUtils]: 36: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:54,661 INFO L273 TraceCheckUtils]: 37: Hoare triple {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,662 INFO L273 TraceCheckUtils]: 38: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,663 INFO L273 TraceCheckUtils]: 39: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,663 INFO L273 TraceCheckUtils]: 40: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,664 INFO L273 TraceCheckUtils]: 41: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,665 INFO L273 TraceCheckUtils]: 42: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,666 INFO L273 TraceCheckUtils]: 43: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,667 INFO L273 TraceCheckUtils]: 44: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,668 INFO L273 TraceCheckUtils]: 45: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,669 INFO L273 TraceCheckUtils]: 46: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,669 INFO L273 TraceCheckUtils]: 47: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,670 INFO L273 TraceCheckUtils]: 48: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,671 INFO L273 TraceCheckUtils]: 49: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,672 INFO L273 TraceCheckUtils]: 50: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,673 INFO L273 TraceCheckUtils]: 51: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,674 INFO L273 TraceCheckUtils]: 52: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,674 INFO L273 TraceCheckUtils]: 53: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,675 INFO L273 TraceCheckUtils]: 54: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,676 INFO L273 TraceCheckUtils]: 55: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,677 INFO L273 TraceCheckUtils]: 56: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,678 INFO L273 TraceCheckUtils]: 57: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,679 INFO L273 TraceCheckUtils]: 58: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,680 INFO L273 TraceCheckUtils]: 59: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,680 INFO L273 TraceCheckUtils]: 60: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,681 INFO L273 TraceCheckUtils]: 61: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,682 INFO L273 TraceCheckUtils]: 62: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,683 INFO L273 TraceCheckUtils]: 63: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,684 INFO L273 TraceCheckUtils]: 64: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,685 INFO L273 TraceCheckUtils]: 65: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,685 INFO L273 TraceCheckUtils]: 66: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,686 INFO L273 TraceCheckUtils]: 67: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,687 INFO L273 TraceCheckUtils]: 68: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,688 INFO L273 TraceCheckUtils]: 69: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,689 INFO L273 TraceCheckUtils]: 70: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,690 INFO L273 TraceCheckUtils]: 71: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,690 INFO L273 TraceCheckUtils]: 72: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:54,691 INFO L273 TraceCheckUtils]: 73: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {31621#false} is VALID [2018-12-17 14:21:54,691 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2018-12-17 14:21:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:21:54,696 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:21:56,060 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2018-12-17 14:21:56,061 INFO L273 TraceCheckUtils]: 73: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {31621#false} is VALID [2018-12-17 14:21:56,062 INFO L273 TraceCheckUtils]: 72: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,063 INFO L273 TraceCheckUtils]: 71: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,063 INFO L273 TraceCheckUtils]: 70: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,064 INFO L273 TraceCheckUtils]: 69: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,065 INFO L273 TraceCheckUtils]: 68: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,066 INFO L273 TraceCheckUtils]: 67: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,067 INFO L273 TraceCheckUtils]: 66: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,068 INFO L273 TraceCheckUtils]: 65: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,069 INFO L273 TraceCheckUtils]: 64: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,069 INFO L273 TraceCheckUtils]: 63: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,070 INFO L273 TraceCheckUtils]: 62: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,071 INFO L273 TraceCheckUtils]: 61: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,072 INFO L273 TraceCheckUtils]: 60: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,073 INFO L273 TraceCheckUtils]: 59: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,074 INFO L273 TraceCheckUtils]: 58: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,074 INFO L273 TraceCheckUtils]: 57: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,075 INFO L273 TraceCheckUtils]: 56: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,076 INFO L273 TraceCheckUtils]: 55: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,077 INFO L273 TraceCheckUtils]: 54: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,078 INFO L273 TraceCheckUtils]: 53: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,079 INFO L273 TraceCheckUtils]: 52: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,080 INFO L273 TraceCheckUtils]: 51: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,080 INFO L273 TraceCheckUtils]: 50: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,081 INFO L273 TraceCheckUtils]: 49: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,082 INFO L273 TraceCheckUtils]: 48: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,083 INFO L273 TraceCheckUtils]: 47: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,084 INFO L273 TraceCheckUtils]: 46: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,085 INFO L273 TraceCheckUtils]: 45: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,086 INFO L273 TraceCheckUtils]: 44: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,086 INFO L273 TraceCheckUtils]: 43: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,087 INFO L273 TraceCheckUtils]: 42: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,088 INFO L273 TraceCheckUtils]: 41: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,089 INFO L273 TraceCheckUtils]: 40: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,090 INFO L273 TraceCheckUtils]: 39: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,091 INFO L273 TraceCheckUtils]: 38: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,092 INFO L273 TraceCheckUtils]: 37: Hoare triple {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,092 INFO L273 TraceCheckUtils]: 36: Hoare triple {31657#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31658#(<= 36 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:21:56,093 INFO L273 TraceCheckUtils]: 35: Hoare triple {31656#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31657#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,094 INFO L273 TraceCheckUtils]: 34: Hoare triple {31655#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31656#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,095 INFO L273 TraceCheckUtils]: 33: Hoare triple {31654#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31655#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,096 INFO L273 TraceCheckUtils]: 32: Hoare triple {31653#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31654#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,097 INFO L273 TraceCheckUtils]: 31: Hoare triple {31652#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31653#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,098 INFO L273 TraceCheckUtils]: 30: Hoare triple {31651#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31652#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,098 INFO L273 TraceCheckUtils]: 29: Hoare triple {31650#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31651#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,099 INFO L273 TraceCheckUtils]: 28: Hoare triple {31649#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31650#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,100 INFO L273 TraceCheckUtils]: 27: Hoare triple {31648#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31649#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,101 INFO L273 TraceCheckUtils]: 26: Hoare triple {31647#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31648#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,102 INFO L273 TraceCheckUtils]: 25: Hoare triple {31646#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31647#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,103 INFO L273 TraceCheckUtils]: 24: Hoare triple {31645#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31646#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,103 INFO L273 TraceCheckUtils]: 23: Hoare triple {31644#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31645#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,104 INFO L273 TraceCheckUtils]: 22: Hoare triple {31643#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31644#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,105 INFO L273 TraceCheckUtils]: 21: Hoare triple {31642#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31643#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,106 INFO L273 TraceCheckUtils]: 20: Hoare triple {31641#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31642#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,107 INFO L273 TraceCheckUtils]: 19: Hoare triple {31640#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31641#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,108 INFO L273 TraceCheckUtils]: 18: Hoare triple {31639#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31640#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,109 INFO L273 TraceCheckUtils]: 17: Hoare triple {31638#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31639#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,109 INFO L273 TraceCheckUtils]: 16: Hoare triple {31637#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31638#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,110 INFO L273 TraceCheckUtils]: 15: Hoare triple {31636#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31637#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,111 INFO L273 TraceCheckUtils]: 14: Hoare triple {31635#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31636#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,112 INFO L273 TraceCheckUtils]: 13: Hoare triple {31634#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31635#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,113 INFO L273 TraceCheckUtils]: 12: Hoare triple {31633#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31634#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,114 INFO L273 TraceCheckUtils]: 11: Hoare triple {31632#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31633#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,114 INFO L273 TraceCheckUtils]: 10: Hoare triple {31631#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31632#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,115 INFO L273 TraceCheckUtils]: 9: Hoare triple {31630#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31631#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,116 INFO L273 TraceCheckUtils]: 8: Hoare triple {31629#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31630#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,117 INFO L273 TraceCheckUtils]: 7: Hoare triple {31628#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31629#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,118 INFO L273 TraceCheckUtils]: 6: Hoare triple {31627#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31628#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,119 INFO L273 TraceCheckUtils]: 5: Hoare triple {31626#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31627#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,120 INFO L273 TraceCheckUtils]: 4: Hoare triple {31625#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31626#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,120 INFO L273 TraceCheckUtils]: 3: Hoare triple {31624#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31625#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,121 INFO L273 TraceCheckUtils]: 2: Hoare triple {31623#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31624#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,122 INFO L273 TraceCheckUtils]: 1: Hoare triple {31622#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {31623#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,123 INFO L273 TraceCheckUtils]: 0: Hoare triple {31620#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {31622#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:21:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:21:56,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:21:56,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 38 [2018-12-17 14:21:56,148 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:21:56,149 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2018-12-17 14:21:56,149 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:21:56,149 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states. [2018-12-17 14:21:56,233 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:21:56,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-12-17 14:21:56,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-12-17 14:21:56,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2018-12-17 14:21:56,234 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 39 states. [2018-12-17 14:21:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:21:59,406 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2018-12-17 14:21:59,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-12-17 14:21:59,406 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2018-12-17 14:21:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:21:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-17 14:21:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2018-12-17 14:21:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-17 14:21:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2018-12-17 14:21:59,408 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 75 states and 80 transitions. [2018-12-17 14:21:59,487 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:21:59,489 INFO L225 Difference]: With dead ends: 79 [2018-12-17 14:21:59,489 INFO L226 Difference]: Without dead ends: 77 [2018-12-17 14:21:59,489 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 113 SyntacticMatches, 72 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2520 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2109, Invalid=3441, Unknown=0, NotChecked=0, Total=5550 [2018-12-17 14:21:59,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-12-17 14:22:01,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-12-17 14:22:01,596 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:22:01,596 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand 77 states. [2018-12-17 14:22:01,596 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2018-12-17 14:22:01,596 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2018-12-17 14:22:01,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:22:01,598 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2018-12-17 14:22:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-12-17 14:22:01,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:22:01,598 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:22:01,598 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2018-12-17 14:22:01,599 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2018-12-17 14:22:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:22:01,599 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2018-12-17 14:22:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-12-17 14:22:01,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:22:01,600 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:22:01,600 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:22:01,600 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:22:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-17 14:22:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2018-12-17 14:22:01,601 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 75 [2018-12-17 14:22:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:22:01,601 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2018-12-17 14:22:01,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-12-17 14:22:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-12-17 14:22:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-17 14:22:01,602 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:22:01,602 INFO L402 BasicCegarLoop]: trace histogram [36, 36, 1, 1, 1, 1] [2018-12-17 14:22:01,602 INFO L423 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:22:01,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:22:01,602 INFO L82 PathProgramCache]: Analyzing trace with hash -2106305526, now seen corresponding path program 54 times [2018-12-17 14:22:01,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:22:01,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:22:01,603 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:22:01,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:22:01,603 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:22:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:22:05,166 INFO L273 TraceCheckUtils]: 0: Hoare triple {32638#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {32640#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,167 INFO L273 TraceCheckUtils]: 1: Hoare triple {32640#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32641#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,168 INFO L273 TraceCheckUtils]: 2: Hoare triple {32641#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32642#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,169 INFO L273 TraceCheckUtils]: 3: Hoare triple {32642#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32643#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:22:05,170 INFO L273 TraceCheckUtils]: 4: Hoare triple {32643#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32644#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,171 INFO L273 TraceCheckUtils]: 5: Hoare triple {32644#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32645#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:22:05,172 INFO L273 TraceCheckUtils]: 6: Hoare triple {32645#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32646#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,173 INFO L273 TraceCheckUtils]: 7: Hoare triple {32646#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32647#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:22:05,174 INFO L273 TraceCheckUtils]: 8: Hoare triple {32647#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32648#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,175 INFO L273 TraceCheckUtils]: 9: Hoare triple {32648#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32649#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,176 INFO L273 TraceCheckUtils]: 10: Hoare triple {32649#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32650#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,177 INFO L273 TraceCheckUtils]: 11: Hoare triple {32650#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32651#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:22:05,178 INFO L273 TraceCheckUtils]: 12: Hoare triple {32651#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32652#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,179 INFO L273 TraceCheckUtils]: 13: Hoare triple {32652#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32653#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,179 INFO L273 TraceCheckUtils]: 14: Hoare triple {32653#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32654#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,180 INFO L273 TraceCheckUtils]: 15: Hoare triple {32654#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32655#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:22:05,181 INFO L273 TraceCheckUtils]: 16: Hoare triple {32655#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32656#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:22:05,182 INFO L273 TraceCheckUtils]: 17: Hoare triple {32656#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32657#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,183 INFO L273 TraceCheckUtils]: 18: Hoare triple {32657#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32658#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,184 INFO L273 TraceCheckUtils]: 19: Hoare triple {32658#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32659#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,185 INFO L273 TraceCheckUtils]: 20: Hoare triple {32659#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32660#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,186 INFO L273 TraceCheckUtils]: 21: Hoare triple {32660#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32661#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,187 INFO L273 TraceCheckUtils]: 22: Hoare triple {32661#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32662#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:22:05,188 INFO L273 TraceCheckUtils]: 23: Hoare triple {32662#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32663#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:22:05,189 INFO L273 TraceCheckUtils]: 24: Hoare triple {32663#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32664#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,190 INFO L273 TraceCheckUtils]: 25: Hoare triple {32664#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32665#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,191 INFO L273 TraceCheckUtils]: 26: Hoare triple {32665#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32666#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:22:05,191 INFO L273 TraceCheckUtils]: 27: Hoare triple {32666#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32667#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,192 INFO L273 TraceCheckUtils]: 28: Hoare triple {32667#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32668#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,193 INFO L273 TraceCheckUtils]: 29: Hoare triple {32668#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32669#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:22:05,194 INFO L273 TraceCheckUtils]: 30: Hoare triple {32669#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32670#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:22:05,195 INFO L273 TraceCheckUtils]: 31: Hoare triple {32670#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32671#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,196 INFO L273 TraceCheckUtils]: 32: Hoare triple {32671#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32672#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:22:05,197 INFO L273 TraceCheckUtils]: 33: Hoare triple {32672#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32673#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:22:05,198 INFO L273 TraceCheckUtils]: 34: Hoare triple {32673#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32674#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:05,199 INFO L273 TraceCheckUtils]: 35: Hoare triple {32674#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32675#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:22:05,200 INFO L273 TraceCheckUtils]: 36: Hoare triple {32675#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32676#(or (= 36 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:05,201 INFO L273 TraceCheckUtils]: 37: Hoare triple {32676#(or (= 36 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {32677#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,202 INFO L273 TraceCheckUtils]: 38: Hoare triple {32677#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32678#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,203 INFO L273 TraceCheckUtils]: 39: Hoare triple {32678#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32679#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,204 INFO L273 TraceCheckUtils]: 40: Hoare triple {32679#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32680#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,205 INFO L273 TraceCheckUtils]: 41: Hoare triple {32680#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32681#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,206 INFO L273 TraceCheckUtils]: 42: Hoare triple {32681#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32682#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,207 INFO L273 TraceCheckUtils]: 43: Hoare triple {32682#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32683#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,208 INFO L273 TraceCheckUtils]: 44: Hoare triple {32683#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32684#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,208 INFO L273 TraceCheckUtils]: 45: Hoare triple {32684#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32685#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,209 INFO L273 TraceCheckUtils]: 46: Hoare triple {32685#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32686#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,210 INFO L273 TraceCheckUtils]: 47: Hoare triple {32686#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32687#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,211 INFO L273 TraceCheckUtils]: 48: Hoare triple {32687#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32688#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,212 INFO L273 TraceCheckUtils]: 49: Hoare triple {32688#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32689#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,213 INFO L273 TraceCheckUtils]: 50: Hoare triple {32689#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32690#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,214 INFO L273 TraceCheckUtils]: 51: Hoare triple {32690#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32691#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,215 INFO L273 TraceCheckUtils]: 52: Hoare triple {32691#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32692#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,216 INFO L273 TraceCheckUtils]: 53: Hoare triple {32692#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32693#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,217 INFO L273 TraceCheckUtils]: 54: Hoare triple {32693#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32694#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,218 INFO L273 TraceCheckUtils]: 55: Hoare triple {32694#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32695#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,219 INFO L273 TraceCheckUtils]: 56: Hoare triple {32695#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32696#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,220 INFO L273 TraceCheckUtils]: 57: Hoare triple {32696#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32697#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,221 INFO L273 TraceCheckUtils]: 58: Hoare triple {32697#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32698#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,222 INFO L273 TraceCheckUtils]: 59: Hoare triple {32698#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32699#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,222 INFO L273 TraceCheckUtils]: 60: Hoare triple {32699#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32700#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,223 INFO L273 TraceCheckUtils]: 61: Hoare triple {32700#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32701#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,224 INFO L273 TraceCheckUtils]: 62: Hoare triple {32701#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32702#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,225 INFO L273 TraceCheckUtils]: 63: Hoare triple {32702#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32703#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,226 INFO L273 TraceCheckUtils]: 64: Hoare triple {32703#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32704#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,227 INFO L273 TraceCheckUtils]: 65: Hoare triple {32704#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32705#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,228 INFO L273 TraceCheckUtils]: 66: Hoare triple {32705#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32706#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,229 INFO L273 TraceCheckUtils]: 67: Hoare triple {32706#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32707#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,230 INFO L273 TraceCheckUtils]: 68: Hoare triple {32707#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32708#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,231 INFO L273 TraceCheckUtils]: 69: Hoare triple {32708#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32709#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,232 INFO L273 TraceCheckUtils]: 70: Hoare triple {32709#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32710#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,233 INFO L273 TraceCheckUtils]: 71: Hoare triple {32710#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32711#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,234 INFO L273 TraceCheckUtils]: 72: Hoare triple {32711#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32712#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:05,235 INFO L273 TraceCheckUtils]: 73: Hoare triple {32712#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32713#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:22:05,236 INFO L273 TraceCheckUtils]: 74: Hoare triple {32713#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {32639#false} is VALID [2018-12-17 14:22:05,236 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2018-12-17 14:22:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:22:05,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:22:05,244 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:22:05,244 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:22:05,244 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:22:05,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:22:05,244 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:22:05,253 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:22:05,253 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:22:05,300 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:22:05,300 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:22:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:22:05,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:22:09,884 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:22:09,885 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:22:09,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:22:09,892 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:22:09,895 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:22:09,895 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_996]. (and (= (store v_ULTIMATE.start_main_~str2~6_996 35 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (<= 36 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:22:09,895 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (<= 36 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 35))) [2018-12-17 14:22:10,011 INFO L273 TraceCheckUtils]: 0: Hoare triple {32638#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {32638#true} is VALID [2018-12-17 14:22:10,011 INFO L273 TraceCheckUtils]: 1: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,011 INFO L273 TraceCheckUtils]: 2: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,011 INFO L273 TraceCheckUtils]: 3: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,011 INFO L273 TraceCheckUtils]: 4: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,012 INFO L273 TraceCheckUtils]: 5: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,012 INFO L273 TraceCheckUtils]: 6: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,012 INFO L273 TraceCheckUtils]: 7: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,012 INFO L273 TraceCheckUtils]: 8: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,012 INFO L273 TraceCheckUtils]: 9: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,012 INFO L273 TraceCheckUtils]: 10: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 11: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 12: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 13: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 14: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 15: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 16: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 17: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 18: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 19: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,013 INFO L273 TraceCheckUtils]: 20: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 21: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 22: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 23: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 24: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 25: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 26: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 27: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 28: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 29: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,014 INFO L273 TraceCheckUtils]: 30: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,015 INFO L273 TraceCheckUtils]: 31: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,015 INFO L273 TraceCheckUtils]: 32: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,015 INFO L273 TraceCheckUtils]: 33: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,015 INFO L273 TraceCheckUtils]: 34: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,015 INFO L273 TraceCheckUtils]: 35: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,015 INFO L273 TraceCheckUtils]: 36: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:10,015 INFO L273 TraceCheckUtils]: 37: Hoare triple {32638#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {32828#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:10,016 INFO L273 TraceCheckUtils]: 38: Hoare triple {32828#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32832#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:22:10,017 INFO L273 TraceCheckUtils]: 39: Hoare triple {32832#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32836#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:22:10,017 INFO L273 TraceCheckUtils]: 40: Hoare triple {32836#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32840#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:22:10,018 INFO L273 TraceCheckUtils]: 41: Hoare triple {32840#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32844#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:22:10,019 INFO L273 TraceCheckUtils]: 42: Hoare triple {32844#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32848#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:10,020 INFO L273 TraceCheckUtils]: 43: Hoare triple {32848#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32852#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:22:10,021 INFO L273 TraceCheckUtils]: 44: Hoare triple {32852#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32856#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:22:10,022 INFO L273 TraceCheckUtils]: 45: Hoare triple {32856#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32860#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:22:10,023 INFO L273 TraceCheckUtils]: 46: Hoare triple {32860#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32864#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:22:10,024 INFO L273 TraceCheckUtils]: 47: Hoare triple {32864#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:22:10,025 INFO L273 TraceCheckUtils]: 48: Hoare triple {32868#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32872#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:22:10,026 INFO L273 TraceCheckUtils]: 49: Hoare triple {32872#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32876#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:22:10,027 INFO L273 TraceCheckUtils]: 50: Hoare triple {32876#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32880#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:22:10,028 INFO L273 TraceCheckUtils]: 51: Hoare triple {32880#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32884#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:22:10,029 INFO L273 TraceCheckUtils]: 52: Hoare triple {32884#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:22:10,030 INFO L273 TraceCheckUtils]: 53: Hoare triple {32888#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:22:10,031 INFO L273 TraceCheckUtils]: 54: Hoare triple {32892#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32896#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:22:10,032 INFO L273 TraceCheckUtils]: 55: Hoare triple {32896#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32900#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:22:10,033 INFO L273 TraceCheckUtils]: 56: Hoare triple {32900#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32904#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:22:10,034 INFO L273 TraceCheckUtils]: 57: Hoare triple {32904#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:22:10,035 INFO L273 TraceCheckUtils]: 58: Hoare triple {32908#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32912#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:22:10,036 INFO L273 TraceCheckUtils]: 59: Hoare triple {32912#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32916#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:22:10,037 INFO L273 TraceCheckUtils]: 60: Hoare triple {32916#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32920#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:22:10,038 INFO L273 TraceCheckUtils]: 61: Hoare triple {32920#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32924#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:22:10,039 INFO L273 TraceCheckUtils]: 62: Hoare triple {32924#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32928#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:22:10,040 INFO L273 TraceCheckUtils]: 63: Hoare triple {32928#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32932#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2018-12-17 14:22:10,041 INFO L273 TraceCheckUtils]: 64: Hoare triple {32932#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32936#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2018-12-17 14:22:10,042 INFO L273 TraceCheckUtils]: 65: Hoare triple {32936#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32940#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2018-12-17 14:22:10,043 INFO L273 TraceCheckUtils]: 66: Hoare triple {32940#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32944#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:22:10,044 INFO L273 TraceCheckUtils]: 67: Hoare triple {32944#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2018-12-17 14:22:10,045 INFO L273 TraceCheckUtils]: 68: Hoare triple {32948#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32952#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2018-12-17 14:22:10,046 INFO L273 TraceCheckUtils]: 69: Hoare triple {32952#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32956#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} is VALID [2018-12-17 14:22:10,047 INFO L273 TraceCheckUtils]: 70: Hoare triple {32956#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32960#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} is VALID [2018-12-17 14:22:10,048 INFO L273 TraceCheckUtils]: 71: Hoare triple {32960#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32964#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} is VALID [2018-12-17 14:22:10,049 INFO L273 TraceCheckUtils]: 72: Hoare triple {32964#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32968#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} is VALID [2018-12-17 14:22:10,050 INFO L273 TraceCheckUtils]: 73: Hoare triple {32968#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32972#(and (<= 36 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 35)))} is VALID [2018-12-17 14:22:10,051 INFO L273 TraceCheckUtils]: 74: Hoare triple {32972#(and (<= 36 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)) (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 35)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {32639#false} is VALID [2018-12-17 14:22:10,051 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2018-12-17 14:22:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2018-12-17 14:22:10,059 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:22:10,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:22:10,208 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:22:10,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:22:10,220 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:22:14,470 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2018-12-17 14:22:14,471 INFO L273 TraceCheckUtils]: 74: Hoare triple {32982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {32639#false} is VALID [2018-12-17 14:22:14,473 INFO L273 TraceCheckUtils]: 73: Hoare triple {32986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32982#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,474 INFO L273 TraceCheckUtils]: 72: Hoare triple {32990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32986#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:14,475 INFO L273 TraceCheckUtils]: 71: Hoare triple {32994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32990#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:22:14,476 INFO L273 TraceCheckUtils]: 70: Hoare triple {32998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32994#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,477 INFO L273 TraceCheckUtils]: 69: Hoare triple {33002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {32998#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,478 INFO L273 TraceCheckUtils]: 68: Hoare triple {33006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33002#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:22:14,479 INFO L273 TraceCheckUtils]: 67: Hoare triple {33010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33006#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:14,480 INFO L273 TraceCheckUtils]: 66: Hoare triple {33014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33010#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,481 INFO L273 TraceCheckUtils]: 65: Hoare triple {33018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33014#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,482 INFO L273 TraceCheckUtils]: 64: Hoare triple {33022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33018#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:22:14,483 INFO L273 TraceCheckUtils]: 63: Hoare triple {33026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33022#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,484 INFO L273 TraceCheckUtils]: 62: Hoare triple {33030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33026#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:22:14,485 INFO L273 TraceCheckUtils]: 61: Hoare triple {33034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33030#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,486 INFO L273 TraceCheckUtils]: 60: Hoare triple {33038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33034#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:22:14,487 INFO L273 TraceCheckUtils]: 59: Hoare triple {33042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33038#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,489 INFO L273 TraceCheckUtils]: 58: Hoare triple {33046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33042#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:22:14,490 INFO L273 TraceCheckUtils]: 57: Hoare triple {33050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33046#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:22:14,491 INFO L273 TraceCheckUtils]: 56: Hoare triple {33054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33050#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:22:14,492 INFO L273 TraceCheckUtils]: 55: Hoare triple {33058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33054#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:22:14,493 INFO L273 TraceCheckUtils]: 54: Hoare triple {33062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33058#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:22:14,504 INFO L273 TraceCheckUtils]: 53: Hoare triple {33066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33062#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:22:14,505 INFO L273 TraceCheckUtils]: 52: Hoare triple {33070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33066#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,506 INFO L273 TraceCheckUtils]: 51: Hoare triple {33074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33070#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:22:14,507 INFO L273 TraceCheckUtils]: 50: Hoare triple {33078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33074#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,507 INFO L273 TraceCheckUtils]: 49: Hoare triple {33082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33078#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,508 INFO L273 TraceCheckUtils]: 48: Hoare triple {33086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33082#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2018-12-17 14:22:14,509 INFO L273 TraceCheckUtils]: 47: Hoare triple {33090#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33086#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2018-12-17 14:22:14,510 INFO L273 TraceCheckUtils]: 46: Hoare triple {33094#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33090#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2018-12-17 14:22:14,511 INFO L273 TraceCheckUtils]: 45: Hoare triple {33098#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33094#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2018-12-17 14:22:14,512 INFO L273 TraceCheckUtils]: 44: Hoare triple {33102#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33098#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2018-12-17 14:22:14,513 INFO L273 TraceCheckUtils]: 43: Hoare triple {33106#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33102#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:22:14,515 INFO L273 TraceCheckUtils]: 42: Hoare triple {33110#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33106#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,516 INFO L273 TraceCheckUtils]: 41: Hoare triple {33114#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33110#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2018-12-17 14:22:14,517 INFO L273 TraceCheckUtils]: 40: Hoare triple {33118#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33114#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,518 INFO L273 TraceCheckUtils]: 39: Hoare triple {33122#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33118#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} is VALID [2018-12-17 14:22:14,519 INFO L273 TraceCheckUtils]: 38: Hoare triple {33126#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33122#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} is VALID [2018-12-17 14:22:14,520 INFO L273 TraceCheckUtils]: 37: Hoare triple {32638#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {33126#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:14,520 INFO L273 TraceCheckUtils]: 36: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,520 INFO L273 TraceCheckUtils]: 35: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,520 INFO L273 TraceCheckUtils]: 34: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,521 INFO L273 TraceCheckUtils]: 33: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,521 INFO L273 TraceCheckUtils]: 32: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,521 INFO L273 TraceCheckUtils]: 31: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,521 INFO L273 TraceCheckUtils]: 30: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,521 INFO L273 TraceCheckUtils]: 29: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,521 INFO L273 TraceCheckUtils]: 28: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,521 INFO L273 TraceCheckUtils]: 27: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 26: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 25: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 24: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 23: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 22: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 21: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 20: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 19: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 18: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 17: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,522 INFO L273 TraceCheckUtils]: 16: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 15: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 14: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 13: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 12: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 11: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 10: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 9: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 8: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 7: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,523 INFO L273 TraceCheckUtils]: 6: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,524 INFO L273 TraceCheckUtils]: 5: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,524 INFO L273 TraceCheckUtils]: 4: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,524 INFO L273 TraceCheckUtils]: 3: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,524 INFO L273 TraceCheckUtils]: 2: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,524 INFO L273 TraceCheckUtils]: 1: Hoare triple {32638#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {32638#true} is VALID [2018-12-17 14:22:14,524 INFO L273 TraceCheckUtils]: 0: Hoare triple {32638#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {32638#true} is VALID [2018-12-17 14:22:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2018-12-17 14:22:14,550 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:22:14,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 39, 39] total 150 [2018-12-17 14:22:14,550 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:22:14,551 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2018-12-17 14:22:14,551 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:22:14,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 113 states. [2018-12-17 14:22:14,657 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:22:14,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-12-17 14:22:14,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-12-17 14:22:14,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2962, Invalid=19388, Unknown=0, NotChecked=0, Total=22350 [2018-12-17 14:22:14,658 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 113 states. [2018-12-17 14:22:42,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:22:42,543 INFO L93 Difference]: Finished difference Result 119 states and 123 transitions. [2018-12-17 14:22:42,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-12-17 14:22:42,543 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2018-12-17 14:22:42,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:22:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-17 14:22:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2018-12-17 14:22:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-17 14:22:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2018-12-17 14:22:42,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 116 states and 123 transitions. [2018-12-17 14:22:42,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:22:42,676 INFO L225 Difference]: With dead ends: 119 [2018-12-17 14:22:42,676 INFO L226 Difference]: Without dead ends: 79 [2018-12-17 14:22:42,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2924 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=4687, Invalid=31603, Unknown=0, NotChecked=0, Total=36290 [2018-12-17 14:22:42,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-17 14:22:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-12-17 14:22:44,848 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:22:44,848 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 79 states. [2018-12-17 14:22:44,849 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2018-12-17 14:22:44,849 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2018-12-17 14:22:44,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:22:44,850 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2018-12-17 14:22:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-12-17 14:22:44,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:22:44,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:22:44,851 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2018-12-17 14:22:44,851 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2018-12-17 14:22:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:22:44,852 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2018-12-17 14:22:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-12-17 14:22:44,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:22:44,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:22:44,853 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:22:44,853 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:22:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-17 14:22:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2018-12-17 14:22:44,854 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 76 [2018-12-17 14:22:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:22:44,854 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2018-12-17 14:22:44,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-12-17 14:22:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-12-17 14:22:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-17 14:22:44,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:22:44,854 INFO L402 BasicCegarLoop]: trace histogram [37, 37, 1, 1, 1, 1] [2018-12-17 14:22:44,854 INFO L423 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:22:44,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:22:44,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1075627403, now seen corresponding path program 55 times [2018-12-17 14:22:44,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:22:44,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:22:44,855 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:22:44,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:22:44,855 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:22:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:22:48,404 INFO L273 TraceCheckUtils]: 0: Hoare triple {33871#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,405 INFO L273 TraceCheckUtils]: 1: Hoare triple {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,406 INFO L273 TraceCheckUtils]: 2: Hoare triple {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,407 INFO L273 TraceCheckUtils]: 3: Hoare triple {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:22:48,408 INFO L273 TraceCheckUtils]: 4: Hoare triple {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,410 INFO L273 TraceCheckUtils]: 5: Hoare triple {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:22:48,411 INFO L273 TraceCheckUtils]: 6: Hoare triple {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,411 INFO L273 TraceCheckUtils]: 7: Hoare triple {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:22:48,412 INFO L273 TraceCheckUtils]: 8: Hoare triple {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,413 INFO L273 TraceCheckUtils]: 9: Hoare triple {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,413 INFO L273 TraceCheckUtils]: 10: Hoare triple {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,414 INFO L273 TraceCheckUtils]: 11: Hoare triple {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:22:48,414 INFO L273 TraceCheckUtils]: 12: Hoare triple {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,415 INFO L273 TraceCheckUtils]: 13: Hoare triple {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,416 INFO L273 TraceCheckUtils]: 14: Hoare triple {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,417 INFO L273 TraceCheckUtils]: 15: Hoare triple {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:22:48,418 INFO L273 TraceCheckUtils]: 16: Hoare triple {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:22:48,419 INFO L273 TraceCheckUtils]: 17: Hoare triple {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,420 INFO L273 TraceCheckUtils]: 18: Hoare triple {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,421 INFO L273 TraceCheckUtils]: 19: Hoare triple {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,422 INFO L273 TraceCheckUtils]: 20: Hoare triple {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,423 INFO L273 TraceCheckUtils]: 21: Hoare triple {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,425 INFO L273 TraceCheckUtils]: 22: Hoare triple {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:22:48,426 INFO L273 TraceCheckUtils]: 23: Hoare triple {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:22:48,431 INFO L273 TraceCheckUtils]: 24: Hoare triple {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,431 INFO L273 TraceCheckUtils]: 25: Hoare triple {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,432 INFO L273 TraceCheckUtils]: 26: Hoare triple {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:22:48,432 INFO L273 TraceCheckUtils]: 27: Hoare triple {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,433 INFO L273 TraceCheckUtils]: 28: Hoare triple {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,434 INFO L273 TraceCheckUtils]: 29: Hoare triple {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:22:48,434 INFO L273 TraceCheckUtils]: 30: Hoare triple {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:22:48,435 INFO L273 TraceCheckUtils]: 31: Hoare triple {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,436 INFO L273 TraceCheckUtils]: 32: Hoare triple {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:22:48,437 INFO L273 TraceCheckUtils]: 33: Hoare triple {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:22:48,438 INFO L273 TraceCheckUtils]: 34: Hoare triple {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,439 INFO L273 TraceCheckUtils]: 35: Hoare triple {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:48,440 INFO L273 TraceCheckUtils]: 36: Hoare triple {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33909#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36)))} is VALID [2018-12-17 14:22:48,441 INFO L273 TraceCheckUtils]: 37: Hoare triple {33909#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:48,442 INFO L273 TraceCheckUtils]: 38: Hoare triple {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {33911#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,443 INFO L273 TraceCheckUtils]: 39: Hoare triple {33911#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33912#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,444 INFO L273 TraceCheckUtils]: 40: Hoare triple {33912#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33913#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,445 INFO L273 TraceCheckUtils]: 41: Hoare triple {33913#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33914#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,446 INFO L273 TraceCheckUtils]: 42: Hoare triple {33914#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33915#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,447 INFO L273 TraceCheckUtils]: 43: Hoare triple {33915#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33916#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,448 INFO L273 TraceCheckUtils]: 44: Hoare triple {33916#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33917#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,448 INFO L273 TraceCheckUtils]: 45: Hoare triple {33917#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33918#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,449 INFO L273 TraceCheckUtils]: 46: Hoare triple {33918#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33919#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,450 INFO L273 TraceCheckUtils]: 47: Hoare triple {33919#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33920#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,451 INFO L273 TraceCheckUtils]: 48: Hoare triple {33920#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33921#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,452 INFO L273 TraceCheckUtils]: 49: Hoare triple {33921#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33922#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,453 INFO L273 TraceCheckUtils]: 50: Hoare triple {33922#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33923#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,454 INFO L273 TraceCheckUtils]: 51: Hoare triple {33923#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33924#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,455 INFO L273 TraceCheckUtils]: 52: Hoare triple {33924#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33925#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,456 INFO L273 TraceCheckUtils]: 53: Hoare triple {33925#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33926#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,457 INFO L273 TraceCheckUtils]: 54: Hoare triple {33926#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33927#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,458 INFO L273 TraceCheckUtils]: 55: Hoare triple {33927#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33928#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,459 INFO L273 TraceCheckUtils]: 56: Hoare triple {33928#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33929#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,460 INFO L273 TraceCheckUtils]: 57: Hoare triple {33929#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33930#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,461 INFO L273 TraceCheckUtils]: 58: Hoare triple {33930#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,462 INFO L273 TraceCheckUtils]: 59: Hoare triple {33931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,462 INFO L273 TraceCheckUtils]: 60: Hoare triple {33932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,463 INFO L273 TraceCheckUtils]: 61: Hoare triple {33933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,464 INFO L273 TraceCheckUtils]: 62: Hoare triple {33934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,465 INFO L273 TraceCheckUtils]: 63: Hoare triple {33935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,466 INFO L273 TraceCheckUtils]: 64: Hoare triple {33936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,467 INFO L273 TraceCheckUtils]: 65: Hoare triple {33937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,468 INFO L273 TraceCheckUtils]: 66: Hoare triple {33938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,469 INFO L273 TraceCheckUtils]: 67: Hoare triple {33939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,470 INFO L273 TraceCheckUtils]: 68: Hoare triple {33940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,471 INFO L273 TraceCheckUtils]: 69: Hoare triple {33941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,472 INFO L273 TraceCheckUtils]: 70: Hoare triple {33942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,473 INFO L273 TraceCheckUtils]: 71: Hoare triple {33943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,474 INFO L273 TraceCheckUtils]: 72: Hoare triple {33944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,475 INFO L273 TraceCheckUtils]: 73: Hoare triple {33945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,475 INFO L273 TraceCheckUtils]: 74: Hoare triple {33946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:48,476 INFO L273 TraceCheckUtils]: 75: Hoare triple {33947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:22:48,478 INFO L273 TraceCheckUtils]: 76: Hoare triple {33948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {33872#false} is VALID [2018-12-17 14:22:48,478 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2018-12-17 14:22:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:22:48,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:22:48,486 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:22:48,486 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:22:48,486 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:22:48,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:22:48,486 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:22:48,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:22:48,495 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:22:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:22:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:22:48,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:22:52,284 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:22:52,285 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:22:52,291 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:22:52,291 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:22:52,294 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:22:52,294 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_1033]. (and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~str2~6 (store v_ULTIMATE.start_main_~str2~6_1033 36 (select ULTIMATE.start_main_~str1~6 0))) (<= 37 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:22:52,294 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 36)) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6)) [2018-12-17 14:22:52,401 INFO L273 TraceCheckUtils]: 0: Hoare triple {33871#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,401 INFO L273 TraceCheckUtils]: 1: Hoare triple {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,402 INFO L273 TraceCheckUtils]: 2: Hoare triple {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,403 INFO L273 TraceCheckUtils]: 3: Hoare triple {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:22:52,403 INFO L273 TraceCheckUtils]: 4: Hoare triple {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,404 INFO L273 TraceCheckUtils]: 5: Hoare triple {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:22:52,405 INFO L273 TraceCheckUtils]: 6: Hoare triple {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,406 INFO L273 TraceCheckUtils]: 7: Hoare triple {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:22:52,407 INFO L273 TraceCheckUtils]: 8: Hoare triple {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,408 INFO L273 TraceCheckUtils]: 9: Hoare triple {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,409 INFO L273 TraceCheckUtils]: 10: Hoare triple {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,409 INFO L273 TraceCheckUtils]: 11: Hoare triple {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:22:52,410 INFO L273 TraceCheckUtils]: 12: Hoare triple {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,411 INFO L273 TraceCheckUtils]: 13: Hoare triple {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,412 INFO L273 TraceCheckUtils]: 14: Hoare triple {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,413 INFO L273 TraceCheckUtils]: 15: Hoare triple {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:22:52,414 INFO L273 TraceCheckUtils]: 16: Hoare triple {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:22:52,415 INFO L273 TraceCheckUtils]: 17: Hoare triple {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,416 INFO L273 TraceCheckUtils]: 18: Hoare triple {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,417 INFO L273 TraceCheckUtils]: 19: Hoare triple {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,418 INFO L273 TraceCheckUtils]: 20: Hoare triple {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,419 INFO L273 TraceCheckUtils]: 21: Hoare triple {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,420 INFO L273 TraceCheckUtils]: 22: Hoare triple {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:22:52,421 INFO L273 TraceCheckUtils]: 23: Hoare triple {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:22:52,421 INFO L273 TraceCheckUtils]: 24: Hoare triple {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,422 INFO L273 TraceCheckUtils]: 25: Hoare triple {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,423 INFO L273 TraceCheckUtils]: 26: Hoare triple {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:22:52,424 INFO L273 TraceCheckUtils]: 27: Hoare triple {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,425 INFO L273 TraceCheckUtils]: 28: Hoare triple {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,426 INFO L273 TraceCheckUtils]: 29: Hoare triple {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:22:52,427 INFO L273 TraceCheckUtils]: 30: Hoare triple {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:22:52,428 INFO L273 TraceCheckUtils]: 31: Hoare triple {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,429 INFO L273 TraceCheckUtils]: 32: Hoare triple {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:22:52,430 INFO L273 TraceCheckUtils]: 33: Hoare triple {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:22:52,431 INFO L273 TraceCheckUtils]: 34: Hoare triple {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,432 INFO L273 TraceCheckUtils]: 35: Hoare triple {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:52,433 INFO L273 TraceCheckUtils]: 36: Hoare triple {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2018-12-17 14:22:52,434 INFO L273 TraceCheckUtils]: 37: Hoare triple {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {34064#(and (<= 37 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 37))} is VALID [2018-12-17 14:22:52,435 INFO L273 TraceCheckUtils]: 38: Hoare triple {34064#(and (<= 37 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~i~6 37))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {34068#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 0) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,435 INFO L273 TraceCheckUtils]: 39: Hoare triple {34068#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 0) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34072#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 1) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,436 INFO L273 TraceCheckUtils]: 40: Hoare triple {34072#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 1) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34076#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:22:52,437 INFO L273 TraceCheckUtils]: 41: Hoare triple {34076#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34080#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 3) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,438 INFO L273 TraceCheckUtils]: 42: Hoare triple {34080#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 3) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34084#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 4) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,439 INFO L273 TraceCheckUtils]: 43: Hoare triple {34084#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 4) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34088#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,439 INFO L273 TraceCheckUtils]: 44: Hoare triple {34088#(and (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34092#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:22:52,440 INFO L273 TraceCheckUtils]: 45: Hoare triple {34092#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34096#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,441 INFO L273 TraceCheckUtils]: 46: Hoare triple {34096#(and (= ULTIMATE.start_main_~j~6 7) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34100#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 8) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,442 INFO L273 TraceCheckUtils]: 47: Hoare triple {34100#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 8) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34104#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,442 INFO L273 TraceCheckUtils]: 48: Hoare triple {34104#(and (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34108#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,443 INFO L273 TraceCheckUtils]: 49: Hoare triple {34108#(and (= ULTIMATE.start_main_~j~6 10) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34112#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 11) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,444 INFO L273 TraceCheckUtils]: 50: Hoare triple {34112#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 11) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34116#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,445 INFO L273 TraceCheckUtils]: 51: Hoare triple {34116#(and (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34120#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 13) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,446 INFO L273 TraceCheckUtils]: 52: Hoare triple {34120#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 13) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34124#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 14) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,446 INFO L273 TraceCheckUtils]: 53: Hoare triple {34124#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 14) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34128#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:22:52,447 INFO L273 TraceCheckUtils]: 54: Hoare triple {34128#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34132#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 16) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,448 INFO L273 TraceCheckUtils]: 55: Hoare triple {34132#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 16) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34136#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 17) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,449 INFO L273 TraceCheckUtils]: 56: Hoare triple {34136#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 17) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34140#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,450 INFO L273 TraceCheckUtils]: 57: Hoare triple {34140#(and (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34144#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,450 INFO L273 TraceCheckUtils]: 58: Hoare triple {34144#(and (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34148#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 20) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,451 INFO L273 TraceCheckUtils]: 59: Hoare triple {34148#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 20) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34152#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,452 INFO L273 TraceCheckUtils]: 60: Hoare triple {34152#(and (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34156#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:22:52,453 INFO L273 TraceCheckUtils]: 61: Hoare triple {34156#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34160#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 23) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,453 INFO L273 TraceCheckUtils]: 62: Hoare triple {34160#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 23) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34164#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 24) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,454 INFO L273 TraceCheckUtils]: 63: Hoare triple {34164#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 24) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34168#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,455 INFO L273 TraceCheckUtils]: 64: Hoare triple {34168#(and (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34172#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,456 INFO L273 TraceCheckUtils]: 65: Hoare triple {34172#(and (= ULTIMATE.start_main_~j~6 26) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34176#(and (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,457 INFO L273 TraceCheckUtils]: 66: Hoare triple {34176#(and (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34180#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 28) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,457 INFO L273 TraceCheckUtils]: 67: Hoare triple {34180#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 28) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34184#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:22:52,458 INFO L273 TraceCheckUtils]: 68: Hoare triple {34184#(and (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34188#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 30) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,459 INFO L273 TraceCheckUtils]: 69: Hoare triple {34188#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 30) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34192#(and (= ULTIMATE.start_main_~j~6 31) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,460 INFO L273 TraceCheckUtils]: 70: Hoare triple {34192#(and (= ULTIMATE.start_main_~j~6 31) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34196#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 32) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,461 INFO L273 TraceCheckUtils]: 71: Hoare triple {34196#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 32) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34200#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 33) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,461 INFO L273 TraceCheckUtils]: 72: Hoare triple {34200#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 33) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34204#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 34) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,462 INFO L273 TraceCheckUtils]: 73: Hoare triple {34204#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 34) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34208#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 35) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,463 INFO L273 TraceCheckUtils]: 74: Hoare triple {34208#(and (<= ULTIMATE.start_main_~MAX~6 37) (= ULTIMATE.start_main_~j~6 35) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34212#(and (= ULTIMATE.start_main_~j~6 36) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,464 INFO L273 TraceCheckUtils]: 75: Hoare triple {34212#(and (= ULTIMATE.start_main_~j~6 36) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {34216#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 36)) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:52,465 INFO L273 TraceCheckUtils]: 76: Hoare triple {34216#(and (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 36)) (<= ULTIMATE.start_main_~MAX~6 37) (<= 37 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {33872#false} is VALID [2018-12-17 14:22:52,465 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2018-12-17 14:22:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:22:52,476 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:22:52,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:22:52,509 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:22:52,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:22:52,513 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:22:52,515 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:22:52,515 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:22:52,515 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:22:53,989 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2018-12-17 14:22:53,990 INFO L273 TraceCheckUtils]: 76: Hoare triple {33948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {33872#false} is VALID [2018-12-17 14:22:53,991 INFO L273 TraceCheckUtils]: 75: Hoare triple {33947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33948#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:22:53,992 INFO L273 TraceCheckUtils]: 74: Hoare triple {33946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33947#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:53,993 INFO L273 TraceCheckUtils]: 73: Hoare triple {33945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33946#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:53,994 INFO L273 TraceCheckUtils]: 72: Hoare triple {33944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33945#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:53,995 INFO L273 TraceCheckUtils]: 71: Hoare triple {33943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33944#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:53,996 INFO L273 TraceCheckUtils]: 70: Hoare triple {33942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33943#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:53,997 INFO L273 TraceCheckUtils]: 69: Hoare triple {33941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33942#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:53,998 INFO L273 TraceCheckUtils]: 68: Hoare triple {33940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33941#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:53,999 INFO L273 TraceCheckUtils]: 67: Hoare triple {33939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33940#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,000 INFO L273 TraceCheckUtils]: 66: Hoare triple {33938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33939#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,001 INFO L273 TraceCheckUtils]: 65: Hoare triple {33937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33938#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,002 INFO L273 TraceCheckUtils]: 64: Hoare triple {33936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33937#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,002 INFO L273 TraceCheckUtils]: 63: Hoare triple {33935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33936#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,003 INFO L273 TraceCheckUtils]: 62: Hoare triple {33934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33935#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,004 INFO L273 TraceCheckUtils]: 61: Hoare triple {33933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33934#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,005 INFO L273 TraceCheckUtils]: 60: Hoare triple {33932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33933#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,006 INFO L273 TraceCheckUtils]: 59: Hoare triple {33931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33932#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,007 INFO L273 TraceCheckUtils]: 58: Hoare triple {33930#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33931#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,008 INFO L273 TraceCheckUtils]: 57: Hoare triple {33929#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33930#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,009 INFO L273 TraceCheckUtils]: 56: Hoare triple {33928#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33929#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,010 INFO L273 TraceCheckUtils]: 55: Hoare triple {33927#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33928#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,011 INFO L273 TraceCheckUtils]: 54: Hoare triple {33926#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33927#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,012 INFO L273 TraceCheckUtils]: 53: Hoare triple {33925#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33926#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,013 INFO L273 TraceCheckUtils]: 52: Hoare triple {33924#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33925#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,014 INFO L273 TraceCheckUtils]: 51: Hoare triple {33923#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33924#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,015 INFO L273 TraceCheckUtils]: 50: Hoare triple {33922#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33923#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,016 INFO L273 TraceCheckUtils]: 49: Hoare triple {33921#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33922#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,017 INFO L273 TraceCheckUtils]: 48: Hoare triple {33920#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33921#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,018 INFO L273 TraceCheckUtils]: 47: Hoare triple {33919#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33920#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,018 INFO L273 TraceCheckUtils]: 46: Hoare triple {33918#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33919#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,019 INFO L273 TraceCheckUtils]: 45: Hoare triple {33917#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33918#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,020 INFO L273 TraceCheckUtils]: 44: Hoare triple {33916#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33917#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,021 INFO L273 TraceCheckUtils]: 43: Hoare triple {33915#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33916#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,022 INFO L273 TraceCheckUtils]: 42: Hoare triple {33914#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33915#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,023 INFO L273 TraceCheckUtils]: 41: Hoare triple {33913#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33914#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,024 INFO L273 TraceCheckUtils]: 40: Hoare triple {33912#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33913#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,025 INFO L273 TraceCheckUtils]: 39: Hoare triple {33911#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {33912#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,026 INFO L273 TraceCheckUtils]: 38: Hoare triple {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {33911#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:22:54,027 INFO L273 TraceCheckUtils]: 37: Hoare triple {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33910#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 37 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:22:54,028 INFO L273 TraceCheckUtils]: 36: Hoare triple {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {34060#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2018-12-17 14:22:54,029 INFO L273 TraceCheckUtils]: 35: Hoare triple {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33908#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,030 INFO L273 TraceCheckUtils]: 34: Hoare triple {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33907#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,031 INFO L273 TraceCheckUtils]: 33: Hoare triple {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33906#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:22:54,032 INFO L273 TraceCheckUtils]: 32: Hoare triple {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33905#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:22:54,033 INFO L273 TraceCheckUtils]: 31: Hoare triple {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33904#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,033 INFO L273 TraceCheckUtils]: 30: Hoare triple {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33903#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:22:54,034 INFO L273 TraceCheckUtils]: 29: Hoare triple {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33902#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:22:54,035 INFO L273 TraceCheckUtils]: 28: Hoare triple {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33901#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,036 INFO L273 TraceCheckUtils]: 27: Hoare triple {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33900#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,037 INFO L273 TraceCheckUtils]: 26: Hoare triple {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33899#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:22:54,038 INFO L273 TraceCheckUtils]: 25: Hoare triple {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33898#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,039 INFO L273 TraceCheckUtils]: 24: Hoare triple {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33897#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,040 INFO L273 TraceCheckUtils]: 23: Hoare triple {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33896#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:22:54,041 INFO L273 TraceCheckUtils]: 22: Hoare triple {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33895#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:22:54,042 INFO L273 TraceCheckUtils]: 21: Hoare triple {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33894#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,043 INFO L273 TraceCheckUtils]: 20: Hoare triple {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33893#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,044 INFO L273 TraceCheckUtils]: 19: Hoare triple {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33892#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,045 INFO L273 TraceCheckUtils]: 18: Hoare triple {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33891#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,045 INFO L273 TraceCheckUtils]: 17: Hoare triple {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33890#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,046 INFO L273 TraceCheckUtils]: 16: Hoare triple {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33889#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:22:54,047 INFO L273 TraceCheckUtils]: 15: Hoare triple {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33888#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:22:54,048 INFO L273 TraceCheckUtils]: 14: Hoare triple {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33887#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,049 INFO L273 TraceCheckUtils]: 13: Hoare triple {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33886#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,050 INFO L273 TraceCheckUtils]: 12: Hoare triple {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33885#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,051 INFO L273 TraceCheckUtils]: 11: Hoare triple {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33884#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:22:54,052 INFO L273 TraceCheckUtils]: 10: Hoare triple {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33883#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,053 INFO L273 TraceCheckUtils]: 9: Hoare triple {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33882#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,054 INFO L273 TraceCheckUtils]: 8: Hoare triple {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33881#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,055 INFO L273 TraceCheckUtils]: 7: Hoare triple {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33880#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:22:54,056 INFO L273 TraceCheckUtils]: 6: Hoare triple {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33879#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,057 INFO L273 TraceCheckUtils]: 5: Hoare triple {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33878#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:22:54,057 INFO L273 TraceCheckUtils]: 4: Hoare triple {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,058 INFO L273 TraceCheckUtils]: 3: Hoare triple {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:22:54,059 INFO L273 TraceCheckUtils]: 2: Hoare triple {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,060 INFO L273 TraceCheckUtils]: 1: Hoare triple {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,061 INFO L273 TraceCheckUtils]: 0: Hoare triple {33871#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:22:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:22:54,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:22:54,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 117 [2018-12-17 14:22:54,089 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:22:54,089 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2018-12-17 14:22:54,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:22:54,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 118 states. [2018-12-17 14:22:54,198 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:22:54,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-12-17 14:22:54,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-12-17 14:22:54,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=13457, Unknown=0, NotChecked=0, Total=13806 [2018-12-17 14:22:54,199 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 118 states. [2018-12-17 14:23:20,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:23:20,927 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2018-12-17 14:23:20,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-12-17 14:23:20,928 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2018-12-17 14:23:20,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:23:20,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-17 14:23:20,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-12-17 14:23:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-17 14:23:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-12-17 14:23:20,930 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 81 states and 86 transitions. [2018-12-17 14:23:21,016 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:23:21,018 INFO L225 Difference]: With dead ends: 120 [2018-12-17 14:23:21,018 INFO L226 Difference]: Without dead ends: 80 [2018-12-17 14:23:21,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 89 SyntacticMatches, 26 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3995 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=738, Invalid=24068, Unknown=0, NotChecked=0, Total=24806 [2018-12-17 14:23:21,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-17 14:23:23,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-12-17 14:23:23,229 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:23:23,230 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2018-12-17 14:23:23,230 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2018-12-17 14:23:23,230 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2018-12-17 14:23:23,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:23:23,231 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2018-12-17 14:23:23,231 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2018-12-17 14:23:23,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:23:23,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:23:23,232 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2018-12-17 14:23:23,232 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2018-12-17 14:23:23,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:23:23,233 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2018-12-17 14:23:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2018-12-17 14:23:23,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:23:23,234 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:23:23,234 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:23:23,234 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:23:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-12-17 14:23:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2018-12-17 14:23:23,235 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 78 [2018-12-17 14:23:23,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:23:23,235 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2018-12-17 14:23:23,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-12-17 14:23:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2018-12-17 14:23:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-17 14:23:23,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:23:23,235 INFO L402 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1, 1] [2018-12-17 14:23:23,236 INFO L423 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:23:23,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:23:23,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1169619308, now seen corresponding path program 56 times [2018-12-17 14:23:23,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:23:23,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:23:23,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:23:23,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:23:23,237 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:23:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:23:24,334 INFO L273 TraceCheckUtils]: 0: Hoare triple {35088#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,335 INFO L273 TraceCheckUtils]: 1: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,336 INFO L273 TraceCheckUtils]: 2: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,337 INFO L273 TraceCheckUtils]: 3: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,337 INFO L273 TraceCheckUtils]: 4: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,338 INFO L273 TraceCheckUtils]: 5: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,339 INFO L273 TraceCheckUtils]: 6: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,340 INFO L273 TraceCheckUtils]: 7: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,341 INFO L273 TraceCheckUtils]: 8: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,342 INFO L273 TraceCheckUtils]: 9: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,343 INFO L273 TraceCheckUtils]: 10: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,343 INFO L273 TraceCheckUtils]: 11: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,344 INFO L273 TraceCheckUtils]: 12: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,345 INFO L273 TraceCheckUtils]: 13: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,346 INFO L273 TraceCheckUtils]: 14: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,347 INFO L273 TraceCheckUtils]: 15: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,348 INFO L273 TraceCheckUtils]: 16: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,348 INFO L273 TraceCheckUtils]: 17: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,349 INFO L273 TraceCheckUtils]: 18: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,350 INFO L273 TraceCheckUtils]: 19: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,351 INFO L273 TraceCheckUtils]: 20: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,352 INFO L273 TraceCheckUtils]: 21: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,353 INFO L273 TraceCheckUtils]: 22: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,354 INFO L273 TraceCheckUtils]: 23: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,354 INFO L273 TraceCheckUtils]: 24: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,355 INFO L273 TraceCheckUtils]: 25: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,356 INFO L273 TraceCheckUtils]: 26: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,357 INFO L273 TraceCheckUtils]: 27: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,358 INFO L273 TraceCheckUtils]: 28: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,359 INFO L273 TraceCheckUtils]: 29: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,360 INFO L273 TraceCheckUtils]: 30: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,360 INFO L273 TraceCheckUtils]: 31: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,361 INFO L273 TraceCheckUtils]: 32: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,362 INFO L273 TraceCheckUtils]: 33: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,363 INFO L273 TraceCheckUtils]: 34: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,364 INFO L273 TraceCheckUtils]: 35: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,365 INFO L273 TraceCheckUtils]: 36: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,366 INFO L273 TraceCheckUtils]: 37: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,366 INFO L273 TraceCheckUtils]: 38: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:24,367 INFO L273 TraceCheckUtils]: 39: Hoare triple {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,368 INFO L273 TraceCheckUtils]: 40: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,369 INFO L273 TraceCheckUtils]: 41: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,370 INFO L273 TraceCheckUtils]: 42: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,371 INFO L273 TraceCheckUtils]: 43: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,371 INFO L273 TraceCheckUtils]: 44: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,372 INFO L273 TraceCheckUtils]: 45: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,373 INFO L273 TraceCheckUtils]: 46: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,374 INFO L273 TraceCheckUtils]: 47: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,375 INFO L273 TraceCheckUtils]: 48: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,376 INFO L273 TraceCheckUtils]: 49: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,377 INFO L273 TraceCheckUtils]: 50: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,377 INFO L273 TraceCheckUtils]: 51: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,378 INFO L273 TraceCheckUtils]: 52: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,379 INFO L273 TraceCheckUtils]: 53: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,380 INFO L273 TraceCheckUtils]: 54: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,381 INFO L273 TraceCheckUtils]: 55: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,382 INFO L273 TraceCheckUtils]: 56: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,382 INFO L273 TraceCheckUtils]: 57: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,383 INFO L273 TraceCheckUtils]: 58: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,384 INFO L273 TraceCheckUtils]: 59: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,385 INFO L273 TraceCheckUtils]: 60: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,386 INFO L273 TraceCheckUtils]: 61: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,387 INFO L273 TraceCheckUtils]: 62: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,388 INFO L273 TraceCheckUtils]: 63: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,388 INFO L273 TraceCheckUtils]: 64: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,389 INFO L273 TraceCheckUtils]: 65: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,390 INFO L273 TraceCheckUtils]: 66: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,391 INFO L273 TraceCheckUtils]: 67: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,392 INFO L273 TraceCheckUtils]: 68: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,393 INFO L273 TraceCheckUtils]: 69: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,393 INFO L273 TraceCheckUtils]: 70: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,394 INFO L273 TraceCheckUtils]: 71: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,395 INFO L273 TraceCheckUtils]: 72: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,396 INFO L273 TraceCheckUtils]: 73: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,397 INFO L273 TraceCheckUtils]: 74: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,398 INFO L273 TraceCheckUtils]: 75: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,399 INFO L273 TraceCheckUtils]: 76: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:24,399 INFO L273 TraceCheckUtils]: 77: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {35089#false} is VALID [2018-12-17 14:23:24,399 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2018-12-17 14:23:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:23:24,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:23:24,405 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:23:24,405 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:23:24,406 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:23:24,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:23:24,406 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:23:24,414 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:23:24,414 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:23:24,662 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2018-12-17 14:23:24,662 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:23:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:23:24,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:23:26,334 INFO L273 TraceCheckUtils]: 0: Hoare triple {35088#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,335 INFO L273 TraceCheckUtils]: 1: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,336 INFO L273 TraceCheckUtils]: 2: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,337 INFO L273 TraceCheckUtils]: 3: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,337 INFO L273 TraceCheckUtils]: 4: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,338 INFO L273 TraceCheckUtils]: 5: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,339 INFO L273 TraceCheckUtils]: 6: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,340 INFO L273 TraceCheckUtils]: 7: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,341 INFO L273 TraceCheckUtils]: 8: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,342 INFO L273 TraceCheckUtils]: 9: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,343 INFO L273 TraceCheckUtils]: 10: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,343 INFO L273 TraceCheckUtils]: 11: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,344 INFO L273 TraceCheckUtils]: 12: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,345 INFO L273 TraceCheckUtils]: 13: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,346 INFO L273 TraceCheckUtils]: 14: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,347 INFO L273 TraceCheckUtils]: 15: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,348 INFO L273 TraceCheckUtils]: 16: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,349 INFO L273 TraceCheckUtils]: 17: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,349 INFO L273 TraceCheckUtils]: 18: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,350 INFO L273 TraceCheckUtils]: 19: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,351 INFO L273 TraceCheckUtils]: 20: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,352 INFO L273 TraceCheckUtils]: 21: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,353 INFO L273 TraceCheckUtils]: 22: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,354 INFO L273 TraceCheckUtils]: 23: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,355 INFO L273 TraceCheckUtils]: 24: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,355 INFO L273 TraceCheckUtils]: 25: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,356 INFO L273 TraceCheckUtils]: 26: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,357 INFO L273 TraceCheckUtils]: 27: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,358 INFO L273 TraceCheckUtils]: 28: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,359 INFO L273 TraceCheckUtils]: 29: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,360 INFO L273 TraceCheckUtils]: 30: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,361 INFO L273 TraceCheckUtils]: 31: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,361 INFO L273 TraceCheckUtils]: 32: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,362 INFO L273 TraceCheckUtils]: 33: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,363 INFO L273 TraceCheckUtils]: 34: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,364 INFO L273 TraceCheckUtils]: 35: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,365 INFO L273 TraceCheckUtils]: 36: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,366 INFO L273 TraceCheckUtils]: 37: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,367 INFO L273 TraceCheckUtils]: 38: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:26,367 INFO L273 TraceCheckUtils]: 39: Hoare triple {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,368 INFO L273 TraceCheckUtils]: 40: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,369 INFO L273 TraceCheckUtils]: 41: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,370 INFO L273 TraceCheckUtils]: 42: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,371 INFO L273 TraceCheckUtils]: 43: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,372 INFO L273 TraceCheckUtils]: 44: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,373 INFO L273 TraceCheckUtils]: 45: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,373 INFO L273 TraceCheckUtils]: 46: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,374 INFO L273 TraceCheckUtils]: 47: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,375 INFO L273 TraceCheckUtils]: 48: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,376 INFO L273 TraceCheckUtils]: 49: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,377 INFO L273 TraceCheckUtils]: 50: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,378 INFO L273 TraceCheckUtils]: 51: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,379 INFO L273 TraceCheckUtils]: 52: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,379 INFO L273 TraceCheckUtils]: 53: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,380 INFO L273 TraceCheckUtils]: 54: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,381 INFO L273 TraceCheckUtils]: 55: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,382 INFO L273 TraceCheckUtils]: 56: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,383 INFO L273 TraceCheckUtils]: 57: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,384 INFO L273 TraceCheckUtils]: 58: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,385 INFO L273 TraceCheckUtils]: 59: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,385 INFO L273 TraceCheckUtils]: 60: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,386 INFO L273 TraceCheckUtils]: 61: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,387 INFO L273 TraceCheckUtils]: 62: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,388 INFO L273 TraceCheckUtils]: 63: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,389 INFO L273 TraceCheckUtils]: 64: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,390 INFO L273 TraceCheckUtils]: 65: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,390 INFO L273 TraceCheckUtils]: 66: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,391 INFO L273 TraceCheckUtils]: 67: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,392 INFO L273 TraceCheckUtils]: 68: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,393 INFO L273 TraceCheckUtils]: 69: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,394 INFO L273 TraceCheckUtils]: 70: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,395 INFO L273 TraceCheckUtils]: 71: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,396 INFO L273 TraceCheckUtils]: 72: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,396 INFO L273 TraceCheckUtils]: 73: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,397 INFO L273 TraceCheckUtils]: 74: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,398 INFO L273 TraceCheckUtils]: 75: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,399 INFO L273 TraceCheckUtils]: 76: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:26,399 INFO L273 TraceCheckUtils]: 77: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {35089#false} is VALID [2018-12-17 14:23:26,400 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2018-12-17 14:23:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:23:26,406 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:23:27,908 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2018-12-17 14:23:27,909 INFO L273 TraceCheckUtils]: 77: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {35089#false} is VALID [2018-12-17 14:23:27,910 INFO L273 TraceCheckUtils]: 76: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,911 INFO L273 TraceCheckUtils]: 75: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,911 INFO L273 TraceCheckUtils]: 74: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,912 INFO L273 TraceCheckUtils]: 73: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,913 INFO L273 TraceCheckUtils]: 72: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,914 INFO L273 TraceCheckUtils]: 71: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,915 INFO L273 TraceCheckUtils]: 70: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,916 INFO L273 TraceCheckUtils]: 69: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,917 INFO L273 TraceCheckUtils]: 68: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,917 INFO L273 TraceCheckUtils]: 67: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,918 INFO L273 TraceCheckUtils]: 66: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,919 INFO L273 TraceCheckUtils]: 65: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,920 INFO L273 TraceCheckUtils]: 64: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,921 INFO L273 TraceCheckUtils]: 63: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,922 INFO L273 TraceCheckUtils]: 62: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,923 INFO L273 TraceCheckUtils]: 61: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,923 INFO L273 TraceCheckUtils]: 60: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,924 INFO L273 TraceCheckUtils]: 59: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,925 INFO L273 TraceCheckUtils]: 58: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,926 INFO L273 TraceCheckUtils]: 57: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,927 INFO L273 TraceCheckUtils]: 56: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,928 INFO L273 TraceCheckUtils]: 55: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,929 INFO L273 TraceCheckUtils]: 54: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,929 INFO L273 TraceCheckUtils]: 53: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,930 INFO L273 TraceCheckUtils]: 52: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,931 INFO L273 TraceCheckUtils]: 51: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,932 INFO L273 TraceCheckUtils]: 50: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,933 INFO L273 TraceCheckUtils]: 49: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,934 INFO L273 TraceCheckUtils]: 48: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,934 INFO L273 TraceCheckUtils]: 47: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,935 INFO L273 TraceCheckUtils]: 46: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,936 INFO L273 TraceCheckUtils]: 45: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,937 INFO L273 TraceCheckUtils]: 44: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,938 INFO L273 TraceCheckUtils]: 43: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,939 INFO L273 TraceCheckUtils]: 42: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,940 INFO L273 TraceCheckUtils]: 41: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,940 INFO L273 TraceCheckUtils]: 40: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,941 INFO L273 TraceCheckUtils]: 39: Hoare triple {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,942 INFO L273 TraceCheckUtils]: 38: Hoare triple {35127#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35128#(<= 38 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:27,943 INFO L273 TraceCheckUtils]: 37: Hoare triple {35126#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35127#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,944 INFO L273 TraceCheckUtils]: 36: Hoare triple {35125#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35126#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,945 INFO L273 TraceCheckUtils]: 35: Hoare triple {35124#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35125#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,946 INFO L273 TraceCheckUtils]: 34: Hoare triple {35123#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35124#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,946 INFO L273 TraceCheckUtils]: 33: Hoare triple {35122#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35123#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,947 INFO L273 TraceCheckUtils]: 32: Hoare triple {35121#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35122#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,948 INFO L273 TraceCheckUtils]: 31: Hoare triple {35120#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35121#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,949 INFO L273 TraceCheckUtils]: 30: Hoare triple {35119#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35120#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,950 INFO L273 TraceCheckUtils]: 29: Hoare triple {35118#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35119#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,951 INFO L273 TraceCheckUtils]: 28: Hoare triple {35117#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35118#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,952 INFO L273 TraceCheckUtils]: 27: Hoare triple {35116#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35117#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,952 INFO L273 TraceCheckUtils]: 26: Hoare triple {35115#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35116#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,953 INFO L273 TraceCheckUtils]: 25: Hoare triple {35114#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35115#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,954 INFO L273 TraceCheckUtils]: 24: Hoare triple {35113#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35114#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,955 INFO L273 TraceCheckUtils]: 23: Hoare triple {35112#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35113#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,956 INFO L273 TraceCheckUtils]: 22: Hoare triple {35111#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35112#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,957 INFO L273 TraceCheckUtils]: 21: Hoare triple {35110#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35111#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,958 INFO L273 TraceCheckUtils]: 20: Hoare triple {35109#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35110#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,958 INFO L273 TraceCheckUtils]: 19: Hoare triple {35108#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35109#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,959 INFO L273 TraceCheckUtils]: 18: Hoare triple {35107#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35108#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,960 INFO L273 TraceCheckUtils]: 17: Hoare triple {35106#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35107#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,961 INFO L273 TraceCheckUtils]: 16: Hoare triple {35105#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35106#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,962 INFO L273 TraceCheckUtils]: 15: Hoare triple {35104#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35105#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,963 INFO L273 TraceCheckUtils]: 14: Hoare triple {35103#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35104#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,964 INFO L273 TraceCheckUtils]: 13: Hoare triple {35102#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35103#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,964 INFO L273 TraceCheckUtils]: 12: Hoare triple {35101#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35102#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,965 INFO L273 TraceCheckUtils]: 11: Hoare triple {35100#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35101#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,966 INFO L273 TraceCheckUtils]: 10: Hoare triple {35099#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35100#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,967 INFO L273 TraceCheckUtils]: 9: Hoare triple {35098#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35099#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,968 INFO L273 TraceCheckUtils]: 8: Hoare triple {35097#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35098#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,969 INFO L273 TraceCheckUtils]: 7: Hoare triple {35096#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35097#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,969 INFO L273 TraceCheckUtils]: 6: Hoare triple {35095#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35096#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,970 INFO L273 TraceCheckUtils]: 5: Hoare triple {35094#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35095#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,971 INFO L273 TraceCheckUtils]: 4: Hoare triple {35093#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35094#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,972 INFO L273 TraceCheckUtils]: 3: Hoare triple {35092#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35093#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,973 INFO L273 TraceCheckUtils]: 2: Hoare triple {35091#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35092#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,974 INFO L273 TraceCheckUtils]: 1: Hoare triple {35090#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {35091#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,974 INFO L273 TraceCheckUtils]: 0: Hoare triple {35088#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {35090#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:23:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:23:28,000 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:23:28,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 40 [2018-12-17 14:23:28,000 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:23:28,000 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2018-12-17 14:23:28,000 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:23:28,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2018-12-17 14:23:28,090 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:23:28,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-12-17 14:23:28,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-12-17 14:23:28,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2018-12-17 14:23:28,091 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 41 states. [2018-12-17 14:23:31,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:23:31,557 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2018-12-17 14:23:31,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-12-17 14:23:31,558 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2018-12-17 14:23:31,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:23:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-17 14:23:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2018-12-17 14:23:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-17 14:23:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2018-12-17 14:23:31,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 84 transitions. [2018-12-17 14:23:31,631 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:23:31,632 INFO L225 Difference]: With dead ends: 83 [2018-12-17 14:23:31,633 INFO L226 Difference]: Without dead ends: 81 [2018-12-17 14:23:31,633 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 119 SyntacticMatches, 76 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2340, Invalid=3822, Unknown=0, NotChecked=0, Total=6162 [2018-12-17 14:23:31,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-17 14:23:33,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-17 14:23:33,926 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:23:33,926 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2018-12-17 14:23:33,927 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2018-12-17 14:23:33,927 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2018-12-17 14:23:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:23:33,928 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2018-12-17 14:23:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-12-17 14:23:33,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:23:33,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:23:33,929 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2018-12-17 14:23:33,929 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2018-12-17 14:23:33,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:23:33,930 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2018-12-17 14:23:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-12-17 14:23:33,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:23:33,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:23:33,931 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:23:33,931 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:23:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-17 14:23:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2018-12-17 14:23:33,932 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 79 [2018-12-17 14:23:33,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:23:33,932 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2018-12-17 14:23:33,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-12-17 14:23:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-12-17 14:23:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-17 14:23:33,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:23:33,933 INFO L402 BasicCegarLoop]: trace histogram [38, 38, 1, 1, 1, 1] [2018-12-17 14:23:33,933 INFO L423 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:23:33,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:23:33,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1898461994, now seen corresponding path program 57 times [2018-12-17 14:23:33,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:23:33,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:23:33,934 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:23:33,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:23:33,934 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:23:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:23:37,876 INFO L273 TraceCheckUtils]: 0: Hoare triple {36160#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {36162#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,877 INFO L273 TraceCheckUtils]: 1: Hoare triple {36162#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36163#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,878 INFO L273 TraceCheckUtils]: 2: Hoare triple {36163#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36164#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,879 INFO L273 TraceCheckUtils]: 3: Hoare triple {36164#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36165#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:23:37,880 INFO L273 TraceCheckUtils]: 4: Hoare triple {36165#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36166#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,880 INFO L273 TraceCheckUtils]: 5: Hoare triple {36166#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36167#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:23:37,881 INFO L273 TraceCheckUtils]: 6: Hoare triple {36167#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36168#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,882 INFO L273 TraceCheckUtils]: 7: Hoare triple {36168#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36169#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:23:37,883 INFO L273 TraceCheckUtils]: 8: Hoare triple {36169#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36170#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,884 INFO L273 TraceCheckUtils]: 9: Hoare triple {36170#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36171#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,885 INFO L273 TraceCheckUtils]: 10: Hoare triple {36171#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36172#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,886 INFO L273 TraceCheckUtils]: 11: Hoare triple {36172#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36173#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:23:37,887 INFO L273 TraceCheckUtils]: 12: Hoare triple {36173#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36174#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,888 INFO L273 TraceCheckUtils]: 13: Hoare triple {36174#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36175#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,889 INFO L273 TraceCheckUtils]: 14: Hoare triple {36175#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36176#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,890 INFO L273 TraceCheckUtils]: 15: Hoare triple {36176#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36177#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:23:37,891 INFO L273 TraceCheckUtils]: 16: Hoare triple {36177#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36178#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:23:37,892 INFO L273 TraceCheckUtils]: 17: Hoare triple {36178#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36179#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,893 INFO L273 TraceCheckUtils]: 18: Hoare triple {36179#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36180#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,893 INFO L273 TraceCheckUtils]: 19: Hoare triple {36180#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36181#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,894 INFO L273 TraceCheckUtils]: 20: Hoare triple {36181#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36182#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,895 INFO L273 TraceCheckUtils]: 21: Hoare triple {36182#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36183#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,896 INFO L273 TraceCheckUtils]: 22: Hoare triple {36183#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36184#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:23:37,897 INFO L273 TraceCheckUtils]: 23: Hoare triple {36184#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36185#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:23:37,898 INFO L273 TraceCheckUtils]: 24: Hoare triple {36185#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36186#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,899 INFO L273 TraceCheckUtils]: 25: Hoare triple {36186#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36187#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,900 INFO L273 TraceCheckUtils]: 26: Hoare triple {36187#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36188#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:23:37,901 INFO L273 TraceCheckUtils]: 27: Hoare triple {36188#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36189#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,902 INFO L273 TraceCheckUtils]: 28: Hoare triple {36189#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36190#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,903 INFO L273 TraceCheckUtils]: 29: Hoare triple {36190#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36191#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:23:37,904 INFO L273 TraceCheckUtils]: 30: Hoare triple {36191#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36192#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:23:37,905 INFO L273 TraceCheckUtils]: 31: Hoare triple {36192#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36193#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,906 INFO L273 TraceCheckUtils]: 32: Hoare triple {36193#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36194#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:23:37,906 INFO L273 TraceCheckUtils]: 33: Hoare triple {36194#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36195#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:23:37,907 INFO L273 TraceCheckUtils]: 34: Hoare triple {36195#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36196#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,908 INFO L273 TraceCheckUtils]: 35: Hoare triple {36196#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36197#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:37,909 INFO L273 TraceCheckUtils]: 36: Hoare triple {36197#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36198#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2018-12-17 14:23:37,910 INFO L273 TraceCheckUtils]: 37: Hoare triple {36198#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36199#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37)))} is VALID [2018-12-17 14:23:37,911 INFO L273 TraceCheckUtils]: 38: Hoare triple {36199#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36200#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 38 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:23:37,912 INFO L273 TraceCheckUtils]: 39: Hoare triple {36200#(or (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (= 38 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {36201#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,913 INFO L273 TraceCheckUtils]: 40: Hoare triple {36201#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36202#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,914 INFO L273 TraceCheckUtils]: 41: Hoare triple {36202#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36203#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,915 INFO L273 TraceCheckUtils]: 42: Hoare triple {36203#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36204#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,916 INFO L273 TraceCheckUtils]: 43: Hoare triple {36204#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36205#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,917 INFO L273 TraceCheckUtils]: 44: Hoare triple {36205#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36206#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,918 INFO L273 TraceCheckUtils]: 45: Hoare triple {36206#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36207#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,919 INFO L273 TraceCheckUtils]: 46: Hoare triple {36207#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36208#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,920 INFO L273 TraceCheckUtils]: 47: Hoare triple {36208#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36209#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,921 INFO L273 TraceCheckUtils]: 48: Hoare triple {36209#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36210#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,922 INFO L273 TraceCheckUtils]: 49: Hoare triple {36210#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36211#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,923 INFO L273 TraceCheckUtils]: 50: Hoare triple {36211#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36212#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,924 INFO L273 TraceCheckUtils]: 51: Hoare triple {36212#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36213#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,925 INFO L273 TraceCheckUtils]: 52: Hoare triple {36213#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36214#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,925 INFO L273 TraceCheckUtils]: 53: Hoare triple {36214#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36215#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,926 INFO L273 TraceCheckUtils]: 54: Hoare triple {36215#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36216#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,927 INFO L273 TraceCheckUtils]: 55: Hoare triple {36216#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36217#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,928 INFO L273 TraceCheckUtils]: 56: Hoare triple {36217#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36218#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,929 INFO L273 TraceCheckUtils]: 57: Hoare triple {36218#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36219#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,930 INFO L273 TraceCheckUtils]: 58: Hoare triple {36219#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36220#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,931 INFO L273 TraceCheckUtils]: 59: Hoare triple {36220#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36221#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,932 INFO L273 TraceCheckUtils]: 60: Hoare triple {36221#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36222#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,933 INFO L273 TraceCheckUtils]: 61: Hoare triple {36222#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36223#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,934 INFO L273 TraceCheckUtils]: 62: Hoare triple {36223#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36224#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,935 INFO L273 TraceCheckUtils]: 63: Hoare triple {36224#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36225#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,936 INFO L273 TraceCheckUtils]: 64: Hoare triple {36225#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36226#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,937 INFO L273 TraceCheckUtils]: 65: Hoare triple {36226#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36227#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,938 INFO L273 TraceCheckUtils]: 66: Hoare triple {36227#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36228#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,939 INFO L273 TraceCheckUtils]: 67: Hoare triple {36228#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36229#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,939 INFO L273 TraceCheckUtils]: 68: Hoare triple {36229#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36230#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,940 INFO L273 TraceCheckUtils]: 69: Hoare triple {36230#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36231#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,941 INFO L273 TraceCheckUtils]: 70: Hoare triple {36231#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36232#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,942 INFO L273 TraceCheckUtils]: 71: Hoare triple {36232#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36233#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,943 INFO L273 TraceCheckUtils]: 72: Hoare triple {36233#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36234#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,944 INFO L273 TraceCheckUtils]: 73: Hoare triple {36234#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36235#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,945 INFO L273 TraceCheckUtils]: 74: Hoare triple {36235#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36236#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,946 INFO L273 TraceCheckUtils]: 75: Hoare triple {36236#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36237#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,947 INFO L273 TraceCheckUtils]: 76: Hoare triple {36237#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36238#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:23:37,948 INFO L273 TraceCheckUtils]: 77: Hoare triple {36238#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36239#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:23:37,949 INFO L273 TraceCheckUtils]: 78: Hoare triple {36239#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {36161#false} is VALID [2018-12-17 14:23:37,949 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2018-12-17 14:23:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:23:37,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:23:37,958 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:23:37,958 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:23:37,958 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:23:37,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:23:37,958 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:23:37,967 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-17 14:23:37,967 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-12-17 14:23:38,016 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-17 14:23:38,016 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:23:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:23:38,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:23:41,906 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:23:41,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:23:41,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:23:41,913 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-12-17 14:23:41,916 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:23:41,916 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_1108]. (and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (store v_ULTIMATE.start_main_~str2~6_1108 37 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:23:41,916 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (select ULTIMATE.start_main_~str2~6 37) (select ULTIMATE.start_main_~str1~6 0))) [2018-12-17 14:23:42,034 INFO L273 TraceCheckUtils]: 0: Hoare triple {36160#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {36160#true} is VALID [2018-12-17 14:23:42,035 INFO L273 TraceCheckUtils]: 1: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,035 INFO L273 TraceCheckUtils]: 2: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,035 INFO L273 TraceCheckUtils]: 3: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,035 INFO L273 TraceCheckUtils]: 4: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,035 INFO L273 TraceCheckUtils]: 5: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,035 INFO L273 TraceCheckUtils]: 6: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,036 INFO L273 TraceCheckUtils]: 7: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,036 INFO L273 TraceCheckUtils]: 8: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,036 INFO L273 TraceCheckUtils]: 9: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,036 INFO L273 TraceCheckUtils]: 10: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,036 INFO L273 TraceCheckUtils]: 11: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,036 INFO L273 TraceCheckUtils]: 12: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 13: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 14: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 15: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 16: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 17: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 18: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 19: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 20: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,037 INFO L273 TraceCheckUtils]: 21: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 22: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 23: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 24: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 25: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 26: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 27: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 28: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 29: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 30: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,038 INFO L273 TraceCheckUtils]: 31: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,039 INFO L273 TraceCheckUtils]: 32: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,039 INFO L273 TraceCheckUtils]: 33: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,039 INFO L273 TraceCheckUtils]: 34: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,039 INFO L273 TraceCheckUtils]: 35: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,039 INFO L273 TraceCheckUtils]: 36: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,039 INFO L273 TraceCheckUtils]: 37: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,039 INFO L273 TraceCheckUtils]: 38: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:42,040 INFO L273 TraceCheckUtils]: 39: Hoare triple {36160#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {36360#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:23:42,040 INFO L273 TraceCheckUtils]: 40: Hoare triple {36360#(and (= ULTIMATE.start_main_~j~6 0) (= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36364#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} is VALID [2018-12-17 14:23:42,041 INFO L273 TraceCheckUtils]: 41: Hoare triple {36364#(and (= ULTIMATE.start_main_~j~6 1) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36368#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:23:42,041 INFO L273 TraceCheckUtils]: 42: Hoare triple {36368#(and (= (+ ULTIMATE.start_main_~i~6 3) ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:23:42,042 INFO L273 TraceCheckUtils]: 43: Hoare triple {36372#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 4)) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36376#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} is VALID [2018-12-17 14:23:42,043 INFO L273 TraceCheckUtils]: 44: Hoare triple {36376#(and (= ULTIMATE.start_main_~j~6 4) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 5)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36380#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:23:42,044 INFO L273 TraceCheckUtils]: 45: Hoare triple {36380#(and (= ULTIMATE.start_main_~j~6 5) (= (+ ULTIMATE.start_main_~i~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:23:42,045 INFO L273 TraceCheckUtils]: 46: Hoare triple {36384#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 7)) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36388#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} is VALID [2018-12-17 14:23:42,046 INFO L273 TraceCheckUtils]: 47: Hoare triple {36388#(and (= ULTIMATE.start_main_~j~6 7) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 8)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:23:42,047 INFO L273 TraceCheckUtils]: 48: Hoare triple {36392#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 9)) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36396#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} is VALID [2018-12-17 14:23:42,048 INFO L273 TraceCheckUtils]: 49: Hoare triple {36396#(and (= ULTIMATE.start_main_~j~6 9) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 10)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} is VALID [2018-12-17 14:23:42,049 INFO L273 TraceCheckUtils]: 50: Hoare triple {36400#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 11)) (= ULTIMATE.start_main_~j~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36404#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:23:42,050 INFO L273 TraceCheckUtils]: 51: Hoare triple {36404#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 12)) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36408#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} is VALID [2018-12-17 14:23:42,051 INFO L273 TraceCheckUtils]: 52: Hoare triple {36408#(and (= ULTIMATE.start_main_~j~6 12) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 13)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36412#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} is VALID [2018-12-17 14:23:42,052 INFO L273 TraceCheckUtils]: 53: Hoare triple {36412#(and (= ULTIMATE.start_main_~j~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 14)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36416#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} is VALID [2018-12-17 14:23:42,053 INFO L273 TraceCheckUtils]: 54: Hoare triple {36416#(and (= ULTIMATE.start_main_~j~6 14) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 15)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:23:42,054 INFO L273 TraceCheckUtils]: 55: Hoare triple {36420#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 16)) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:23:42,055 INFO L273 TraceCheckUtils]: 56: Hoare triple {36424#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 17)) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36428#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} is VALID [2018-12-17 14:23:42,056 INFO L273 TraceCheckUtils]: 57: Hoare triple {36428#(and (= ULTIMATE.start_main_~j~6 17) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36432#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} is VALID [2018-12-17 14:23:42,057 INFO L273 TraceCheckUtils]: 58: Hoare triple {36432#(and (= ULTIMATE.start_main_~j~6 18) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36436#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} is VALID [2018-12-17 14:23:42,058 INFO L273 TraceCheckUtils]: 59: Hoare triple {36436#(and (= ULTIMATE.start_main_~j~6 19) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 20)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} is VALID [2018-12-17 14:23:42,058 INFO L273 TraceCheckUtils]: 60: Hoare triple {36440#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 21)) (= ULTIMATE.start_main_~j~6 20))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36444#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} is VALID [2018-12-17 14:23:42,059 INFO L273 TraceCheckUtils]: 61: Hoare triple {36444#(and (= ULTIMATE.start_main_~j~6 21) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 22)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:23:42,060 INFO L273 TraceCheckUtils]: 62: Hoare triple {36448#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 23)) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36452#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} is VALID [2018-12-17 14:23:42,061 INFO L273 TraceCheckUtils]: 63: Hoare triple {36452#(and (= ULTIMATE.start_main_~j~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 24)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36456#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} is VALID [2018-12-17 14:23:42,062 INFO L273 TraceCheckUtils]: 64: Hoare triple {36456#(and (= ULTIMATE.start_main_~j~6 24) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 25)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36460#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} is VALID [2018-12-17 14:23:42,063 INFO L273 TraceCheckUtils]: 65: Hoare triple {36460#(and (= ULTIMATE.start_main_~j~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36464#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} is VALID [2018-12-17 14:23:42,064 INFO L273 TraceCheckUtils]: 66: Hoare triple {36464#(and (= ULTIMATE.start_main_~j~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} is VALID [2018-12-17 14:23:42,065 INFO L273 TraceCheckUtils]: 67: Hoare triple {36468#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 28)) (= ULTIMATE.start_main_~j~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36472#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} is VALID [2018-12-17 14:23:42,066 INFO L273 TraceCheckUtils]: 68: Hoare triple {36472#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 29)) (= ULTIMATE.start_main_~j~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:23:42,067 INFO L273 TraceCheckUtils]: 69: Hoare triple {36476#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 30)) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} is VALID [2018-12-17 14:23:42,068 INFO L273 TraceCheckUtils]: 70: Hoare triple {36480#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 31)) (= ULTIMATE.start_main_~j~6 30))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36484#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} is VALID [2018-12-17 14:23:42,069 INFO L273 TraceCheckUtils]: 71: Hoare triple {36484#(and (= ULTIMATE.start_main_~j~6 31) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 32)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36488#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} is VALID [2018-12-17 14:23:42,070 INFO L273 TraceCheckUtils]: 72: Hoare triple {36488#(and (= ULTIMATE.start_main_~j~6 32) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 33)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36492#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} is VALID [2018-12-17 14:23:42,071 INFO L273 TraceCheckUtils]: 73: Hoare triple {36492#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 34)) (= ULTIMATE.start_main_~j~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} is VALID [2018-12-17 14:23:42,072 INFO L273 TraceCheckUtils]: 74: Hoare triple {36496#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 35)) (= ULTIMATE.start_main_~j~6 34))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} is VALID [2018-12-17 14:23:42,073 INFO L273 TraceCheckUtils]: 75: Hoare triple {36500#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 36)) (= ULTIMATE.start_main_~j~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36504#(and (= ULTIMATE.start_main_~j~6 36) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)))} is VALID [2018-12-17 14:23:42,074 INFO L273 TraceCheckUtils]: 76: Hoare triple {36504#(and (= ULTIMATE.start_main_~j~6 36) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 37)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 38)) (= ULTIMATE.start_main_~j~6 37))} is VALID [2018-12-17 14:23:42,075 INFO L273 TraceCheckUtils]: 77: Hoare triple {36508#(and (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 38)) (= ULTIMATE.start_main_~j~6 37))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36512#(and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (select ULTIMATE.start_main_~str2~6 37) (select ULTIMATE.start_main_~str1~6 0)))} is VALID [2018-12-17 14:23:42,076 INFO L273 TraceCheckUtils]: 78: Hoare triple {36512#(and (<= 38 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 39)) (= (select ULTIMATE.start_main_~str2~6 37) (select ULTIMATE.start_main_~str1~6 0)))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {36161#false} is VALID [2018-12-17 14:23:42,077 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2018-12-17 14:23:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2018-12-17 14:23:42,085 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:23:42,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:23:42,233 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:23:42,244 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:23:42,244 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2018-12-17 14:23:46,910 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2018-12-17 14:23:46,911 INFO L273 TraceCheckUtils]: 78: Hoare triple {36522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {36161#false} is VALID [2018-12-17 14:23:46,912 INFO L273 TraceCheckUtils]: 77: Hoare triple {36526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36522#(or (= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1)))) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,914 INFO L273 TraceCheckUtils]: 76: Hoare triple {36530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36526#(or (< ULTIMATE.start_main_~i~6 0) (< 0 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:23:46,915 INFO L273 TraceCheckUtils]: 75: Hoare triple {36534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36530#(or (= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6) (< 1 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 1))} is VALID [2018-12-17 14:23:46,916 INFO L273 TraceCheckUtils]: 74: Hoare triple {36538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36534#(or (= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 2) (< 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,917 INFO L273 TraceCheckUtils]: 73: Hoare triple {36542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36538#(or (= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 3) (< 3 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,918 INFO L273 TraceCheckUtils]: 72: Hoare triple {36546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36542#(or (= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6) (< 4 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 4))} is VALID [2018-12-17 14:23:46,919 INFO L273 TraceCheckUtils]: 71: Hoare triple {36550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36546#(or (< ULTIMATE.start_main_~i~6 5) (< 5 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:23:46,920 INFO L273 TraceCheckUtils]: 70: Hoare triple {36554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36550#(or (< ULTIMATE.start_main_~i~6 6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 7)) (< 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,921 INFO L273 TraceCheckUtils]: 69: Hoare triple {36558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36554#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 8)) (< ULTIMATE.start_main_~i~6 7) (< 7 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,922 INFO L273 TraceCheckUtils]: 68: Hoare triple {36562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36558#(or (< 8 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 9)) (< ULTIMATE.start_main_~i~6 8))} is VALID [2018-12-17 14:23:46,923 INFO L273 TraceCheckUtils]: 67: Hoare triple {36566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36562#(or (< ULTIMATE.start_main_~i~6 9) (= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6) (< 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,924 INFO L273 TraceCheckUtils]: 66: Hoare triple {36570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36566#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 11)) (< 10 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 10))} is VALID [2018-12-17 14:23:46,925 INFO L273 TraceCheckUtils]: 65: Hoare triple {36574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36570#(or (< ULTIMATE.start_main_~i~6 11) (= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6) (< 11 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,926 INFO L273 TraceCheckUtils]: 64: Hoare triple {36578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36574#(or (< 12 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 13)) (< ULTIMATE.start_main_~i~6 12))} is VALID [2018-12-17 14:23:46,927 INFO L273 TraceCheckUtils]: 63: Hoare triple {36582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36578#(or (< ULTIMATE.start_main_~i~6 13) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 14)) (< 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,928 INFO L273 TraceCheckUtils]: 62: Hoare triple {36586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36582#(or (< 14 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 15)) (< ULTIMATE.start_main_~i~6 14))} is VALID [2018-12-17 14:23:46,930 INFO L273 TraceCheckUtils]: 61: Hoare triple {36590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36586#(or (< 15 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 15) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 16)))} is VALID [2018-12-17 14:23:46,931 INFO L273 TraceCheckUtils]: 60: Hoare triple {36594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36590#(or (< ULTIMATE.start_main_~i~6 16) (< 16 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 17)))} is VALID [2018-12-17 14:23:46,932 INFO L273 TraceCheckUtils]: 59: Hoare triple {36598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36594#(or (< ULTIMATE.start_main_~i~6 17) (< 17 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 18)))} is VALID [2018-12-17 14:23:46,933 INFO L273 TraceCheckUtils]: 58: Hoare triple {36602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36598#(or (< ULTIMATE.start_main_~i~6 18) (< 18 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 19)))} is VALID [2018-12-17 14:23:46,934 INFO L273 TraceCheckUtils]: 57: Hoare triple {36606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36602#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 20)) (< 19 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 19))} is VALID [2018-12-17 14:23:46,935 INFO L273 TraceCheckUtils]: 56: Hoare triple {36610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36606#(or (< ULTIMATE.start_main_~i~6 20) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 21)) (< 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,936 INFO L273 TraceCheckUtils]: 55: Hoare triple {36614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36610#(or (< 21 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 22)) (< ULTIMATE.start_main_~i~6 21))} is VALID [2018-12-17 14:23:46,937 INFO L273 TraceCheckUtils]: 54: Hoare triple {36618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36614#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 23)) (< ULTIMATE.start_main_~i~6 22) (< 22 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,938 INFO L273 TraceCheckUtils]: 53: Hoare triple {36622#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36618#(or (< ULTIMATE.start_main_~i~6 23) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 24)) (< 23 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,939 INFO L273 TraceCheckUtils]: 52: Hoare triple {36626#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36622#(or (< 24 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 25)) (< ULTIMATE.start_main_~i~6 24))} is VALID [2018-12-17 14:23:46,940 INFO L273 TraceCheckUtils]: 51: Hoare triple {36630#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36626#(or (< 25 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 25) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 26)))} is VALID [2018-12-17 14:23:46,941 INFO L273 TraceCheckUtils]: 50: Hoare triple {36634#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36630#(or (< 26 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 26) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 27)))} is VALID [2018-12-17 14:23:46,942 INFO L273 TraceCheckUtils]: 49: Hoare triple {36638#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36634#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 28)) (< 27 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 27))} is VALID [2018-12-17 14:23:46,943 INFO L273 TraceCheckUtils]: 48: Hoare triple {36642#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36638#(or (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 29)) (< 28 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 28))} is VALID [2018-12-17 14:23:46,944 INFO L273 TraceCheckUtils]: 47: Hoare triple {36646#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36642#(or (< 29 ULTIMATE.start_main_~i~6) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 30)) (< ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:23:46,946 INFO L273 TraceCheckUtils]: 46: Hoare triple {36650#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36646#(or (< ULTIMATE.start_main_~i~6 30) (= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6) (< 30 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,947 INFO L273 TraceCheckUtils]: 45: Hoare triple {36654#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36650#(or (< 31 ULTIMATE.start_main_~i~6) (= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 31))} is VALID [2018-12-17 14:23:46,948 INFO L273 TraceCheckUtils]: 44: Hoare triple {36658#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36654#(or (= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6) (< ULTIMATE.start_main_~i~6 32) (< 32 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,949 INFO L273 TraceCheckUtils]: 43: Hoare triple {36662#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36658#(or (< 33 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 33) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 34)))} is VALID [2018-12-17 14:23:46,950 INFO L273 TraceCheckUtils]: 42: Hoare triple {36666#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36662#(or (= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6) (< 34 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 34))} is VALID [2018-12-17 14:23:46,951 INFO L273 TraceCheckUtils]: 41: Hoare triple {36670#(or (< 36 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 36) (= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36666#(or (< ULTIMATE.start_main_~i~6 35) (= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6) (< 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:23:46,952 INFO L273 TraceCheckUtils]: 40: Hoare triple {36674#(or (< 37 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 37) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 38)))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {36670#(or (< 36 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 36) (= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:23:46,953 INFO L273 TraceCheckUtils]: 39: Hoare triple {36160#true} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {36674#(or (< 37 ULTIMATE.start_main_~i~6) (< ULTIMATE.start_main_~i~6 37) (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 38)))} is VALID [2018-12-17 14:23:46,953 INFO L273 TraceCheckUtils]: 38: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,953 INFO L273 TraceCheckUtils]: 37: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,953 INFO L273 TraceCheckUtils]: 36: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,954 INFO L273 TraceCheckUtils]: 35: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,954 INFO L273 TraceCheckUtils]: 34: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,954 INFO L273 TraceCheckUtils]: 33: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,954 INFO L273 TraceCheckUtils]: 32: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,954 INFO L273 TraceCheckUtils]: 31: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,954 INFO L273 TraceCheckUtils]: 30: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,955 INFO L273 TraceCheckUtils]: 29: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,955 INFO L273 TraceCheckUtils]: 28: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,955 INFO L273 TraceCheckUtils]: 27: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,955 INFO L273 TraceCheckUtils]: 26: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,955 INFO L273 TraceCheckUtils]: 25: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,955 INFO L273 TraceCheckUtils]: 24: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 23: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 22: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 21: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 20: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 19: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 18: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 17: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 16: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,956 INFO L273 TraceCheckUtils]: 15: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 14: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 13: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 12: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 11: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 10: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 9: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 8: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 7: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 6: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,957 INFO L273 TraceCheckUtils]: 5: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,958 INFO L273 TraceCheckUtils]: 4: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,958 INFO L273 TraceCheckUtils]: 3: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,958 INFO L273 TraceCheckUtils]: 2: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,958 INFO L273 TraceCheckUtils]: 1: Hoare triple {36160#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {36160#true} is VALID [2018-12-17 14:23:46,958 INFO L273 TraceCheckUtils]: 0: Hoare triple {36160#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {36160#true} is VALID [2018-12-17 14:23:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2018-12-17 14:23:46,984 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:23:46,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 41, 41] total 158 [2018-12-17 14:23:46,985 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:23:46,985 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2018-12-17 14:23:46,985 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:23:46,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 119 states. [2018-12-17 14:23:47,106 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:23:47,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-12-17 14:23:47,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-12-17 14:23:47,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3278, Invalid=21528, Unknown=0, NotChecked=0, Total=24806 [2018-12-17 14:23:47,108 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 119 states. [2018-12-17 14:24:17,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:24:17,311 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2018-12-17 14:24:17,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-12-17 14:24:17,311 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2018-12-17 14:24:17,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:24:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-17 14:24:17,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-12-17 14:24:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-17 14:24:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-12-17 14:24:17,314 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 122 states and 129 transitions. [2018-12-17 14:24:17,455 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:24:17,456 INFO L225 Difference]: With dead ends: 125 [2018-12-17 14:24:17,456 INFO L226 Difference]: Without dead ends: 83 [2018-12-17 14:24:17,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=5173, Invalid=35027, Unknown=0, NotChecked=0, Total=40200 [2018-12-17 14:24:17,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-12-17 14:24:19,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-12-17 14:24:19,802 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:24:19,802 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2018-12-17 14:24:19,803 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2018-12-17 14:24:19,803 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2018-12-17 14:24:19,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:24:19,804 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2018-12-17 14:24:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-12-17 14:24:19,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:24:19,805 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:24:19,805 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2018-12-17 14:24:19,805 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2018-12-17 14:24:19,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:24:19,806 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2018-12-17 14:24:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-12-17 14:24:19,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:24:19,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:24:19,807 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:24:19,807 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:24:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-17 14:24:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2018-12-17 14:24:19,808 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 80 [2018-12-17 14:24:19,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:24:19,808 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2018-12-17 14:24:19,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-12-17 14:24:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-12-17 14:24:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-17 14:24:19,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:24:19,809 INFO L402 BasicCegarLoop]: trace histogram [39, 39, 1, 1, 1, 1] [2018-12-17 14:24:19,809 INFO L423 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:24:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:24:19,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1341848277, now seen corresponding path program 58 times [2018-12-17 14:24:19,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:24:19,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:24:19,810 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-17 14:24:19,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:24:19,810 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:24:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:24:23,517 INFO L273 TraceCheckUtils]: 0: Hoare triple {37457#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,519 INFO L273 TraceCheckUtils]: 1: Hoare triple {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,520 INFO L273 TraceCheckUtils]: 2: Hoare triple {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,520 INFO L273 TraceCheckUtils]: 3: Hoare triple {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:24:23,521 INFO L273 TraceCheckUtils]: 4: Hoare triple {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,522 INFO L273 TraceCheckUtils]: 5: Hoare triple {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:24:23,523 INFO L273 TraceCheckUtils]: 6: Hoare triple {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,524 INFO L273 TraceCheckUtils]: 7: Hoare triple {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:24:23,525 INFO L273 TraceCheckUtils]: 8: Hoare triple {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,526 INFO L273 TraceCheckUtils]: 9: Hoare triple {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,527 INFO L273 TraceCheckUtils]: 10: Hoare triple {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,528 INFO L273 TraceCheckUtils]: 11: Hoare triple {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:24:23,529 INFO L273 TraceCheckUtils]: 12: Hoare triple {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,530 INFO L273 TraceCheckUtils]: 13: Hoare triple {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,531 INFO L273 TraceCheckUtils]: 14: Hoare triple {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,532 INFO L273 TraceCheckUtils]: 15: Hoare triple {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:24:23,533 INFO L273 TraceCheckUtils]: 16: Hoare triple {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:24:23,533 INFO L273 TraceCheckUtils]: 17: Hoare triple {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,534 INFO L273 TraceCheckUtils]: 18: Hoare triple {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,535 INFO L273 TraceCheckUtils]: 19: Hoare triple {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,536 INFO L273 TraceCheckUtils]: 20: Hoare triple {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,537 INFO L273 TraceCheckUtils]: 21: Hoare triple {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,538 INFO L273 TraceCheckUtils]: 22: Hoare triple {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:24:23,539 INFO L273 TraceCheckUtils]: 23: Hoare triple {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:24:23,540 INFO L273 TraceCheckUtils]: 24: Hoare triple {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,541 INFO L273 TraceCheckUtils]: 25: Hoare triple {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,542 INFO L273 TraceCheckUtils]: 26: Hoare triple {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:24:23,543 INFO L273 TraceCheckUtils]: 27: Hoare triple {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,544 INFO L273 TraceCheckUtils]: 28: Hoare triple {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,545 INFO L273 TraceCheckUtils]: 29: Hoare triple {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:24:23,546 INFO L273 TraceCheckUtils]: 30: Hoare triple {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:24:23,546 INFO L273 TraceCheckUtils]: 31: Hoare triple {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,547 INFO L273 TraceCheckUtils]: 32: Hoare triple {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:24:23,548 INFO L273 TraceCheckUtils]: 33: Hoare triple {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:24:23,549 INFO L273 TraceCheckUtils]: 34: Hoare triple {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,550 INFO L273 TraceCheckUtils]: 35: Hoare triple {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:23,551 INFO L273 TraceCheckUtils]: 36: Hoare triple {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2018-12-17 14:24:23,552 INFO L273 TraceCheckUtils]: 37: Hoare triple {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} is VALID [2018-12-17 14:24:23,553 INFO L273 TraceCheckUtils]: 38: Hoare triple {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37497#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~6)))} is VALID [2018-12-17 14:24:23,554 INFO L273 TraceCheckUtils]: 39: Hoare triple {37497#(or (not (= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1))) (and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~6)))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37498#(or (= 39 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:24:23,555 INFO L273 TraceCheckUtils]: 40: Hoare triple {37498#(or (= 39 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {37499#(= (+ ULTIMATE.start_main_~j~6 39) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,556 INFO L273 TraceCheckUtils]: 41: Hoare triple {37499#(= (+ ULTIMATE.start_main_~j~6 39) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37500#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,557 INFO L273 TraceCheckUtils]: 42: Hoare triple {37500#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37501#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,558 INFO L273 TraceCheckUtils]: 43: Hoare triple {37501#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37502#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,559 INFO L273 TraceCheckUtils]: 44: Hoare triple {37502#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,560 INFO L273 TraceCheckUtils]: 45: Hoare triple {37503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,561 INFO L273 TraceCheckUtils]: 46: Hoare triple {37504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,562 INFO L273 TraceCheckUtils]: 47: Hoare triple {37505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,563 INFO L273 TraceCheckUtils]: 48: Hoare triple {37506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,564 INFO L273 TraceCheckUtils]: 49: Hoare triple {37507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,565 INFO L273 TraceCheckUtils]: 50: Hoare triple {37508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,565 INFO L273 TraceCheckUtils]: 51: Hoare triple {37509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,566 INFO L273 TraceCheckUtils]: 52: Hoare triple {37510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,567 INFO L273 TraceCheckUtils]: 53: Hoare triple {37511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,568 INFO L273 TraceCheckUtils]: 54: Hoare triple {37512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,569 INFO L273 TraceCheckUtils]: 55: Hoare triple {37513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,570 INFO L273 TraceCheckUtils]: 56: Hoare triple {37514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,571 INFO L273 TraceCheckUtils]: 57: Hoare triple {37515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,572 INFO L273 TraceCheckUtils]: 58: Hoare triple {37516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,573 INFO L273 TraceCheckUtils]: 59: Hoare triple {37517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,574 INFO L273 TraceCheckUtils]: 60: Hoare triple {37518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,575 INFO L273 TraceCheckUtils]: 61: Hoare triple {37519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,576 INFO L273 TraceCheckUtils]: 62: Hoare triple {37520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,577 INFO L273 TraceCheckUtils]: 63: Hoare triple {37521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,578 INFO L273 TraceCheckUtils]: 64: Hoare triple {37522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,579 INFO L273 TraceCheckUtils]: 65: Hoare triple {37523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,580 INFO L273 TraceCheckUtils]: 66: Hoare triple {37524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,580 INFO L273 TraceCheckUtils]: 67: Hoare triple {37525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,581 INFO L273 TraceCheckUtils]: 68: Hoare triple {37526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,582 INFO L273 TraceCheckUtils]: 69: Hoare triple {37527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,583 INFO L273 TraceCheckUtils]: 70: Hoare triple {37528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,584 INFO L273 TraceCheckUtils]: 71: Hoare triple {37529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,585 INFO L273 TraceCheckUtils]: 72: Hoare triple {37530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,586 INFO L273 TraceCheckUtils]: 73: Hoare triple {37531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,587 INFO L273 TraceCheckUtils]: 74: Hoare triple {37532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,588 INFO L273 TraceCheckUtils]: 75: Hoare triple {37533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,589 INFO L273 TraceCheckUtils]: 76: Hoare triple {37534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,590 INFO L273 TraceCheckUtils]: 77: Hoare triple {37535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,591 INFO L273 TraceCheckUtils]: 78: Hoare triple {37536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:23,592 INFO L273 TraceCheckUtils]: 79: Hoare triple {37537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:24:23,593 INFO L273 TraceCheckUtils]: 80: Hoare triple {37538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {37458#false} is VALID [2018-12-17 14:24:23,593 INFO L273 TraceCheckUtils]: 81: Hoare triple {37458#false} assume !false; {37458#false} is VALID [2018-12-17 14:24:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:24:23,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:24:23,602 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:24:23,602 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:24:23,602 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:24:23,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:24:23,602 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:24:23,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:24:23,612 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-17 14:24:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:24:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:24:23,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:24:27,730 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-17 14:24:27,731 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:24:27,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:24:27,738 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-12-17 14:24:27,750 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:24:27,750 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_ULTIMATE.start_main_~str2~6_1147]. (and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= (store v_ULTIMATE.start_main_~str2~6_1147 38 (select ULTIMATE.start_main_~str1~6 0)) ULTIMATE.start_main_~str2~6)) [2018-12-17 14:24:27,750 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (<= 39 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 38) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 39)) [2018-12-17 14:24:27,862 INFO L273 TraceCheckUtils]: 0: Hoare triple {37457#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,863 INFO L273 TraceCheckUtils]: 1: Hoare triple {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,864 INFO L273 TraceCheckUtils]: 2: Hoare triple {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,865 INFO L273 TraceCheckUtils]: 3: Hoare triple {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:24:27,866 INFO L273 TraceCheckUtils]: 4: Hoare triple {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,867 INFO L273 TraceCheckUtils]: 5: Hoare triple {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:24:27,868 INFO L273 TraceCheckUtils]: 6: Hoare triple {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,869 INFO L273 TraceCheckUtils]: 7: Hoare triple {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:24:27,870 INFO L273 TraceCheckUtils]: 8: Hoare triple {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,871 INFO L273 TraceCheckUtils]: 9: Hoare triple {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,872 INFO L273 TraceCheckUtils]: 10: Hoare triple {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,873 INFO L273 TraceCheckUtils]: 11: Hoare triple {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:24:27,873 INFO L273 TraceCheckUtils]: 12: Hoare triple {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,874 INFO L273 TraceCheckUtils]: 13: Hoare triple {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,875 INFO L273 TraceCheckUtils]: 14: Hoare triple {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,876 INFO L273 TraceCheckUtils]: 15: Hoare triple {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:24:27,877 INFO L273 TraceCheckUtils]: 16: Hoare triple {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:24:27,878 INFO L273 TraceCheckUtils]: 17: Hoare triple {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,879 INFO L273 TraceCheckUtils]: 18: Hoare triple {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,880 INFO L273 TraceCheckUtils]: 19: Hoare triple {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,881 INFO L273 TraceCheckUtils]: 20: Hoare triple {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,882 INFO L273 TraceCheckUtils]: 21: Hoare triple {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,883 INFO L273 TraceCheckUtils]: 22: Hoare triple {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:24:27,884 INFO L273 TraceCheckUtils]: 23: Hoare triple {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:24:27,885 INFO L273 TraceCheckUtils]: 24: Hoare triple {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,886 INFO L273 TraceCheckUtils]: 25: Hoare triple {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,886 INFO L273 TraceCheckUtils]: 26: Hoare triple {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:24:27,887 INFO L273 TraceCheckUtils]: 27: Hoare triple {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,888 INFO L273 TraceCheckUtils]: 28: Hoare triple {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,889 INFO L273 TraceCheckUtils]: 29: Hoare triple {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:24:27,890 INFO L273 TraceCheckUtils]: 30: Hoare triple {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:24:27,891 INFO L273 TraceCheckUtils]: 31: Hoare triple {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,892 INFO L273 TraceCheckUtils]: 32: Hoare triple {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:24:27,893 INFO L273 TraceCheckUtils]: 33: Hoare triple {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:24:27,894 INFO L273 TraceCheckUtils]: 34: Hoare triple {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,895 INFO L273 TraceCheckUtils]: 35: Hoare triple {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,896 INFO L273 TraceCheckUtils]: 36: Hoare triple {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2018-12-17 14:24:27,897 INFO L273 TraceCheckUtils]: 37: Hoare triple {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} is VALID [2018-12-17 14:24:27,898 INFO L273 TraceCheckUtils]: 38: Hoare triple {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37656#(and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:27,899 INFO L273 TraceCheckUtils]: 39: Hoare triple {37656#(and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37660#(and (<= ULTIMATE.start_main_~i~6 39) (<= 39 ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:24:27,899 INFO L273 TraceCheckUtils]: 40: Hoare triple {37660#(and (<= ULTIMATE.start_main_~i~6 39) (<= 39 ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {37664#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 0))} is VALID [2018-12-17 14:24:27,900 INFO L273 TraceCheckUtils]: 41: Hoare triple {37664#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 0))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37668#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 1))} is VALID [2018-12-17 14:24:27,901 INFO L273 TraceCheckUtils]: 42: Hoare triple {37668#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 1))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37672#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 2))} is VALID [2018-12-17 14:24:27,902 INFO L273 TraceCheckUtils]: 43: Hoare triple {37672#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 2))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37676#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 3))} is VALID [2018-12-17 14:24:27,903 INFO L273 TraceCheckUtils]: 44: Hoare triple {37676#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 3))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37680#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 4))} is VALID [2018-12-17 14:24:27,903 INFO L273 TraceCheckUtils]: 45: Hoare triple {37680#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 4))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37684#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,904 INFO L273 TraceCheckUtils]: 46: Hoare triple {37684#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 5) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37688#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 6))} is VALID [2018-12-17 14:24:27,905 INFO L273 TraceCheckUtils]: 47: Hoare triple {37688#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 6))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37692#(and (= ULTIMATE.start_main_~j~6 7) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,906 INFO L273 TraceCheckUtils]: 48: Hoare triple {37692#(and (= ULTIMATE.start_main_~j~6 7) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37696#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 8))} is VALID [2018-12-17 14:24:27,907 INFO L273 TraceCheckUtils]: 49: Hoare triple {37696#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 8))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37700#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,907 INFO L273 TraceCheckUtils]: 50: Hoare triple {37700#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 9) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37704#(and (= ULTIMATE.start_main_~j~6 10) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,908 INFO L273 TraceCheckUtils]: 51: Hoare triple {37704#(and (= ULTIMATE.start_main_~j~6 10) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37708#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 11))} is VALID [2018-12-17 14:24:27,909 INFO L273 TraceCheckUtils]: 52: Hoare triple {37708#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 11))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37712#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,910 INFO L273 TraceCheckUtils]: 53: Hoare triple {37712#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 12) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37716#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 13))} is VALID [2018-12-17 14:24:27,911 INFO L273 TraceCheckUtils]: 54: Hoare triple {37716#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 13))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37720#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 14))} is VALID [2018-12-17 14:24:27,911 INFO L273 TraceCheckUtils]: 55: Hoare triple {37720#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 14))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37724#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 15))} is VALID [2018-12-17 14:24:27,912 INFO L273 TraceCheckUtils]: 56: Hoare triple {37724#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 15))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37728#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 16))} is VALID [2018-12-17 14:24:27,913 INFO L273 TraceCheckUtils]: 57: Hoare triple {37728#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 16))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37732#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 17))} is VALID [2018-12-17 14:24:27,914 INFO L273 TraceCheckUtils]: 58: Hoare triple {37732#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 17))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37736#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,915 INFO L273 TraceCheckUtils]: 59: Hoare triple {37736#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 18) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37740#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,915 INFO L273 TraceCheckUtils]: 60: Hoare triple {37740#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 19) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37744#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,916 INFO L273 TraceCheckUtils]: 61: Hoare triple {37744#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 20) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37748#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,917 INFO L273 TraceCheckUtils]: 62: Hoare triple {37748#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 21) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37752#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 22))} is VALID [2018-12-17 14:24:27,918 INFO L273 TraceCheckUtils]: 63: Hoare triple {37752#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 22))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37756#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 23))} is VALID [2018-12-17 14:24:27,918 INFO L273 TraceCheckUtils]: 64: Hoare triple {37756#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 23))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37760#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 24))} is VALID [2018-12-17 14:24:27,919 INFO L273 TraceCheckUtils]: 65: Hoare triple {37760#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 24))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37764#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,920 INFO L273 TraceCheckUtils]: 66: Hoare triple {37764#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 25) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37768#(and (= ULTIMATE.start_main_~j~6 26) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,921 INFO L273 TraceCheckUtils]: 67: Hoare triple {37768#(and (= ULTIMATE.start_main_~j~6 26) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37772#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,922 INFO L273 TraceCheckUtils]: 68: Hoare triple {37772#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 27) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37776#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 28))} is VALID [2018-12-17 14:24:27,922 INFO L273 TraceCheckUtils]: 69: Hoare triple {37776#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 28))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37780#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 29))} is VALID [2018-12-17 14:24:27,923 INFO L273 TraceCheckUtils]: 70: Hoare triple {37780#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 29))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37784#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 30))} is VALID [2018-12-17 14:24:27,924 INFO L273 TraceCheckUtils]: 71: Hoare triple {37784#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 30))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37788#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 31) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,925 INFO L273 TraceCheckUtils]: 72: Hoare triple {37788#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= ULTIMATE.start_main_~j~6 31) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37792#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 32))} is VALID [2018-12-17 14:24:27,925 INFO L273 TraceCheckUtils]: 73: Hoare triple {37792#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 32))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37796#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 33))} is VALID [2018-12-17 14:24:27,926 INFO L273 TraceCheckUtils]: 74: Hoare triple {37796#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 33))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37800#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 34))} is VALID [2018-12-17 14:24:27,927 INFO L273 TraceCheckUtils]: 75: Hoare triple {37800#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 34))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37804#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 35))} is VALID [2018-12-17 14:24:27,928 INFO L273 TraceCheckUtils]: 76: Hoare triple {37804#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 35))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37808#(and (= ULTIMATE.start_main_~j~6 36) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,929 INFO L273 TraceCheckUtils]: 77: Hoare triple {37808#(and (= ULTIMATE.start_main_~j~6 36) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37812#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 37))} is VALID [2018-12-17 14:24:27,929 INFO L273 TraceCheckUtils]: 78: Hoare triple {37812#(and (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39) (= ULTIMATE.start_main_~j~6 37))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37816#(and (= ULTIMATE.start_main_~j~6 38) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,930 INFO L273 TraceCheckUtils]: 79: Hoare triple {37816#(and (= ULTIMATE.start_main_~j~6 38) (<= 39 ULTIMATE.start_main_~MAX~6) (<= ULTIMATE.start_main_~MAX~6 39))} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37820#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 38) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 39))} is VALID [2018-12-17 14:24:27,931 INFO L273 TraceCheckUtils]: 80: Hoare triple {37820#(and (<= 39 ULTIMATE.start_main_~MAX~6) (= (select ULTIMATE.start_main_~str2~6 38) (select ULTIMATE.start_main_~str1~6 0)) (<= ULTIMATE.start_main_~MAX~6 39))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {37458#false} is VALID [2018-12-17 14:24:27,932 INFO L273 TraceCheckUtils]: 81: Hoare triple {37458#false} assume !false; {37458#false} is VALID [2018-12-17 14:24:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:24:27,944 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:24:27,974 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-17 14:24:27,976 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-17 14:24:27,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-17 14:24:27,979 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-12-17 14:24:27,982 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-12-17 14:24:27,982 WARN L384 uantifierElimination]: Input elimination task: ∀ [ULTIMATE.start_main_~str2~6, ULTIMATE.start_main_~str1~6]. (let ((.cse0 (select ULTIMATE.start_main_~str1~6 0))) (= .cse0 (select (store ULTIMATE.start_main_~str2~6 ULTIMATE.start_main_~j~6 .cse0) (+ ULTIMATE.start_main_~MAX~6 (- 1))))) [2018-12-17 14:24:27,982 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2018-12-17 14:24:29,603 INFO L273 TraceCheckUtils]: 81: Hoare triple {37458#false} assume !false; {37458#false} is VALID [2018-12-17 14:24:29,604 INFO L273 TraceCheckUtils]: 80: Hoare triple {37538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {37458#false} is VALID [2018-12-17 14:24:29,605 INFO L273 TraceCheckUtils]: 79: Hoare triple {37537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37538#(= (select ULTIMATE.start_main_~str1~6 0) (select ULTIMATE.start_main_~str2~6 (+ ULTIMATE.start_main_~MAX~6 (- 1))))} is VALID [2018-12-17 14:24:29,606 INFO L273 TraceCheckUtils]: 78: Hoare triple {37536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37537#(= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,606 INFO L273 TraceCheckUtils]: 77: Hoare triple {37535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37536#(= (+ ULTIMATE.start_main_~j~6 2) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,607 INFO L273 TraceCheckUtils]: 76: Hoare triple {37534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37535#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,607 INFO L273 TraceCheckUtils]: 75: Hoare triple {37533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37534#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,608 INFO L273 TraceCheckUtils]: 74: Hoare triple {37532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37533#(= (+ ULTIMATE.start_main_~j~6 5) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,609 INFO L273 TraceCheckUtils]: 73: Hoare triple {37531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37532#(= (+ ULTIMATE.start_main_~j~6 6) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,610 INFO L273 TraceCheckUtils]: 72: Hoare triple {37530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37531#(= (+ ULTIMATE.start_main_~j~6 7) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,611 INFO L273 TraceCheckUtils]: 71: Hoare triple {37529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37530#(= (+ ULTIMATE.start_main_~j~6 8) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,612 INFO L273 TraceCheckUtils]: 70: Hoare triple {37528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37529#(= (+ ULTIMATE.start_main_~j~6 9) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,613 INFO L273 TraceCheckUtils]: 69: Hoare triple {37527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37528#(= (+ ULTIMATE.start_main_~j~6 10) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,614 INFO L273 TraceCheckUtils]: 68: Hoare triple {37526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37527#(= (+ ULTIMATE.start_main_~j~6 11) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,615 INFO L273 TraceCheckUtils]: 67: Hoare triple {37525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37526#(= (+ ULTIMATE.start_main_~j~6 12) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,616 INFO L273 TraceCheckUtils]: 66: Hoare triple {37524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37525#(= (+ ULTIMATE.start_main_~j~6 13) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,617 INFO L273 TraceCheckUtils]: 65: Hoare triple {37523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37524#(= (+ ULTIMATE.start_main_~j~6 14) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,618 INFO L273 TraceCheckUtils]: 64: Hoare triple {37522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37523#(= (+ ULTIMATE.start_main_~j~6 15) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,619 INFO L273 TraceCheckUtils]: 63: Hoare triple {37521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37522#(= (+ ULTIMATE.start_main_~j~6 16) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,620 INFO L273 TraceCheckUtils]: 62: Hoare triple {37520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37521#(= (+ ULTIMATE.start_main_~j~6 17) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,621 INFO L273 TraceCheckUtils]: 61: Hoare triple {37519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37520#(= (+ ULTIMATE.start_main_~j~6 18) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,621 INFO L273 TraceCheckUtils]: 60: Hoare triple {37518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37519#(= (+ ULTIMATE.start_main_~j~6 19) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,622 INFO L273 TraceCheckUtils]: 59: Hoare triple {37517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37518#(= (+ ULTIMATE.start_main_~j~6 20) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,623 INFO L273 TraceCheckUtils]: 58: Hoare triple {37516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37517#(= (+ ULTIMATE.start_main_~j~6 21) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,624 INFO L273 TraceCheckUtils]: 57: Hoare triple {37515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37516#(= (+ ULTIMATE.start_main_~j~6 22) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,625 INFO L273 TraceCheckUtils]: 56: Hoare triple {37514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37515#(= (+ ULTIMATE.start_main_~j~6 23) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,626 INFO L273 TraceCheckUtils]: 55: Hoare triple {37513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37514#(= (+ ULTIMATE.start_main_~j~6 24) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,627 INFO L273 TraceCheckUtils]: 54: Hoare triple {37512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37513#(= (+ ULTIMATE.start_main_~j~6 25) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,628 INFO L273 TraceCheckUtils]: 53: Hoare triple {37511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37512#(= (+ ULTIMATE.start_main_~j~6 26) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,629 INFO L273 TraceCheckUtils]: 52: Hoare triple {37510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37511#(= (+ ULTIMATE.start_main_~j~6 27) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,630 INFO L273 TraceCheckUtils]: 51: Hoare triple {37509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37510#(= (+ ULTIMATE.start_main_~j~6 28) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,631 INFO L273 TraceCheckUtils]: 50: Hoare triple {37508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37509#(= (+ ULTIMATE.start_main_~j~6 29) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,632 INFO L273 TraceCheckUtils]: 49: Hoare triple {37507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37508#(= (+ ULTIMATE.start_main_~j~6 30) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,633 INFO L273 TraceCheckUtils]: 48: Hoare triple {37506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37507#(= (+ ULTIMATE.start_main_~j~6 31) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,634 INFO L273 TraceCheckUtils]: 47: Hoare triple {37505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37506#(= (+ ULTIMATE.start_main_~j~6 32) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,635 INFO L273 TraceCheckUtils]: 46: Hoare triple {37504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37505#(= (+ ULTIMATE.start_main_~j~6 33) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,636 INFO L273 TraceCheckUtils]: 45: Hoare triple {37503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37504#(= (+ ULTIMATE.start_main_~j~6 34) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,637 INFO L273 TraceCheckUtils]: 44: Hoare triple {37502#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37503#(= (+ ULTIMATE.start_main_~j~6 35) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,637 INFO L273 TraceCheckUtils]: 43: Hoare triple {37501#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37502#(= (+ ULTIMATE.start_main_~j~6 36) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,638 INFO L273 TraceCheckUtils]: 42: Hoare triple {37500#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37501#(= (+ ULTIMATE.start_main_~j~6 37) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,639 INFO L273 TraceCheckUtils]: 41: Hoare triple {37499#(= (+ ULTIMATE.start_main_~j~6 39) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {37500#(= (+ ULTIMATE.start_main_~j~6 38) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,640 INFO L273 TraceCheckUtils]: 40: Hoare triple {37498#(or (= 39 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {37499#(= (+ ULTIMATE.start_main_~j~6 39) ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:24:29,641 INFO L273 TraceCheckUtils]: 39: Hoare triple {37656#(and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37498#(or (= 39 ULTIMATE.start_main_~MAX~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6))} is VALID [2018-12-17 14:24:29,642 INFO L273 TraceCheckUtils]: 38: Hoare triple {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37656#(and (<= ULTIMATE.start_main_~i~6 38) (<= 38 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,643 INFO L273 TraceCheckUtils]: 37: Hoare triple {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37496#(and (<= 37 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 37))} is VALID [2018-12-17 14:24:29,644 INFO L273 TraceCheckUtils]: 36: Hoare triple {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37495#(and (<= 36 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 36))} is VALID [2018-12-17 14:24:29,645 INFO L273 TraceCheckUtils]: 35: Hoare triple {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37494#(and (<= ULTIMATE.start_main_~i~6 35) (<= 35 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,646 INFO L273 TraceCheckUtils]: 34: Hoare triple {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37493#(and (<= ULTIMATE.start_main_~i~6 34) (<= 34 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,647 INFO L273 TraceCheckUtils]: 33: Hoare triple {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37492#(and (<= 33 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 33))} is VALID [2018-12-17 14:24:29,648 INFO L273 TraceCheckUtils]: 32: Hoare triple {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37491#(and (<= 32 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 32))} is VALID [2018-12-17 14:24:29,649 INFO L273 TraceCheckUtils]: 31: Hoare triple {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37490#(and (<= ULTIMATE.start_main_~i~6 31) (<= 31 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,650 INFO L273 TraceCheckUtils]: 30: Hoare triple {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37489#(and (<= 30 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 30))} is VALID [2018-12-17 14:24:29,651 INFO L273 TraceCheckUtils]: 29: Hoare triple {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37488#(and (<= 29 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 29))} is VALID [2018-12-17 14:24:29,652 INFO L273 TraceCheckUtils]: 28: Hoare triple {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37487#(and (<= ULTIMATE.start_main_~i~6 28) (<= 28 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,652 INFO L273 TraceCheckUtils]: 27: Hoare triple {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37486#(and (<= ULTIMATE.start_main_~i~6 27) (<= 27 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,653 INFO L273 TraceCheckUtils]: 26: Hoare triple {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37485#(and (<= 26 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 26))} is VALID [2018-12-17 14:24:29,654 INFO L273 TraceCheckUtils]: 25: Hoare triple {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37484#(and (<= ULTIMATE.start_main_~i~6 25) (<= 25 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,655 INFO L273 TraceCheckUtils]: 24: Hoare triple {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37483#(and (<= ULTIMATE.start_main_~i~6 24) (<= 24 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,656 INFO L273 TraceCheckUtils]: 23: Hoare triple {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37482#(and (<= 23 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 23))} is VALID [2018-12-17 14:24:29,657 INFO L273 TraceCheckUtils]: 22: Hoare triple {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37481#(and (<= 22 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 22))} is VALID [2018-12-17 14:24:29,658 INFO L273 TraceCheckUtils]: 21: Hoare triple {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37480#(and (<= ULTIMATE.start_main_~i~6 21) (<= 21 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,659 INFO L273 TraceCheckUtils]: 20: Hoare triple {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37479#(and (<= ULTIMATE.start_main_~i~6 20) (<= 20 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,660 INFO L273 TraceCheckUtils]: 19: Hoare triple {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37478#(and (<= ULTIMATE.start_main_~i~6 19) (<= 19 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,661 INFO L273 TraceCheckUtils]: 18: Hoare triple {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37477#(and (<= ULTIMATE.start_main_~i~6 18) (<= 18 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,662 INFO L273 TraceCheckUtils]: 17: Hoare triple {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37476#(and (<= ULTIMATE.start_main_~i~6 17) (<= 17 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,663 INFO L273 TraceCheckUtils]: 16: Hoare triple {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37475#(and (<= 16 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 16))} is VALID [2018-12-17 14:24:29,664 INFO L273 TraceCheckUtils]: 15: Hoare triple {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37474#(and (<= 15 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 15))} is VALID [2018-12-17 14:24:29,665 INFO L273 TraceCheckUtils]: 14: Hoare triple {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37473#(and (<= ULTIMATE.start_main_~i~6 14) (<= 14 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,665 INFO L273 TraceCheckUtils]: 13: Hoare triple {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37472#(and (<= ULTIMATE.start_main_~i~6 13) (<= 13 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,666 INFO L273 TraceCheckUtils]: 12: Hoare triple {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37471#(and (<= ULTIMATE.start_main_~i~6 12) (<= 12 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,667 INFO L273 TraceCheckUtils]: 11: Hoare triple {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37470#(and (<= 11 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 11))} is VALID [2018-12-17 14:24:29,668 INFO L273 TraceCheckUtils]: 10: Hoare triple {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37469#(and (<= ULTIMATE.start_main_~i~6 10) (<= 10 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,669 INFO L273 TraceCheckUtils]: 9: Hoare triple {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37468#(and (<= ULTIMATE.start_main_~i~6 9) (<= 9 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,670 INFO L273 TraceCheckUtils]: 8: Hoare triple {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37467#(and (<= ULTIMATE.start_main_~i~6 8) (<= 8 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,671 INFO L273 TraceCheckUtils]: 7: Hoare triple {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37466#(and (<= 7 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 7))} is VALID [2018-12-17 14:24:29,672 INFO L273 TraceCheckUtils]: 6: Hoare triple {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37465#(and (<= ULTIMATE.start_main_~i~6 6) (<= 6 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,673 INFO L273 TraceCheckUtils]: 5: Hoare triple {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37464#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2018-12-17 14:24:29,674 INFO L273 TraceCheckUtils]: 4: Hoare triple {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37463#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,675 INFO L273 TraceCheckUtils]: 3: Hoare triple {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37462#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2018-12-17 14:24:29,676 INFO L273 TraceCheckUtils]: 2: Hoare triple {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37461#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,676 INFO L273 TraceCheckUtils]: 1: Hoare triple {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {37460#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,677 INFO L273 TraceCheckUtils]: 0: Hoare triple {37457#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {37459#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} is VALID [2018-12-17 14:24:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:24:29,704 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:24:29,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 123 [2018-12-17 14:24:29,705 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:24:29,705 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 82 [2018-12-17 14:24:29,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:24:29,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 124 states. [2018-12-17 14:24:29,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:24:29,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-12-17 14:24:29,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-12-17 14:24:29,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=14885, Unknown=0, NotChecked=0, Total=15252 [2018-12-17 14:24:29,821 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 124 states. [2018-12-17 14:24:58,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:24:58,597 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2018-12-17 14:24:58,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-12-17 14:24:58,598 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 82 [2018-12-17 14:24:58,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-17 14:24:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-17 14:24:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-12-17 14:24:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-17 14:24:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-12-17 14:24:58,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 85 states and 90 transitions. [2018-12-17 14:24:58,693 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:24:58,694 INFO L225 Difference]: With dead ends: 126 [2018-12-17 14:24:58,694 INFO L226 Difference]: Without dead ends: 84 [2018-12-17 14:24:58,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 93 SyntacticMatches, 28 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4447 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=776, Invalid=26614, Unknown=0, NotChecked=0, Total=27390 [2018-12-17 14:24:58,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-12-17 14:25:01,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-12-17 14:25:01,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-12-17 14:25:01,077 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 84 states. [2018-12-17 14:25:01,077 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2018-12-17 14:25:01,077 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2018-12-17 14:25:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:25:01,079 INFO L93 Difference]: Finished difference Result 84 states and 85 transitions. [2018-12-17 14:25:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2018-12-17 14:25:01,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:25:01,079 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:25:01,079 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2018-12-17 14:25:01,080 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2018-12-17 14:25:01,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-17 14:25:01,080 INFO L93 Difference]: Finished difference Result 84 states and 85 transitions. [2018-12-17 14:25:01,081 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2018-12-17 14:25:01,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-17 14:25:01,081 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-12-17 14:25:01,081 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-12-17 14:25:01,081 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-12-17 14:25:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-12-17 14:25:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2018-12-17 14:25:01,082 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 82 [2018-12-17 14:25:01,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-17 14:25:01,082 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2018-12-17 14:25:01,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-12-17 14:25:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2018-12-17 14:25:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-17 14:25:01,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-17 14:25:01,082 INFO L402 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1, 1] [2018-12-17 14:25:01,083 INFO L423 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-12-17 14:25:01,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-17 14:25:01,083 INFO L82 PathProgramCache]: Analyzing trace with hash 928540236, now seen corresponding path program 59 times [2018-12-17 14:25:01,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-17 14:25:01,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:25:01,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-17 14:25:01,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-17 14:25:01,084 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-17 14:25:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:25:02,593 INFO L273 TraceCheckUtils]: 0: Hoare triple {38736#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {38738#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,595 INFO L273 TraceCheckUtils]: 1: Hoare triple {38738#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38739#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,595 INFO L273 TraceCheckUtils]: 2: Hoare triple {38739#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38740#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,596 INFO L273 TraceCheckUtils]: 3: Hoare triple {38740#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38741#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,597 INFO L273 TraceCheckUtils]: 4: Hoare triple {38741#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38742#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,598 INFO L273 TraceCheckUtils]: 5: Hoare triple {38742#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38743#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,599 INFO L273 TraceCheckUtils]: 6: Hoare triple {38743#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38744#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,600 INFO L273 TraceCheckUtils]: 7: Hoare triple {38744#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38745#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,601 INFO L273 TraceCheckUtils]: 8: Hoare triple {38745#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38746#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,601 INFO L273 TraceCheckUtils]: 9: Hoare triple {38746#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38747#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,602 INFO L273 TraceCheckUtils]: 10: Hoare triple {38747#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38748#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,603 INFO L273 TraceCheckUtils]: 11: Hoare triple {38748#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38749#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,604 INFO L273 TraceCheckUtils]: 12: Hoare triple {38749#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38750#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,605 INFO L273 TraceCheckUtils]: 13: Hoare triple {38750#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38751#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,606 INFO L273 TraceCheckUtils]: 14: Hoare triple {38751#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38752#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,607 INFO L273 TraceCheckUtils]: 15: Hoare triple {38752#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38753#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,607 INFO L273 TraceCheckUtils]: 16: Hoare triple {38753#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38754#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,608 INFO L273 TraceCheckUtils]: 17: Hoare triple {38754#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38755#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,609 INFO L273 TraceCheckUtils]: 18: Hoare triple {38755#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38756#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,610 INFO L273 TraceCheckUtils]: 19: Hoare triple {38756#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38757#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,611 INFO L273 TraceCheckUtils]: 20: Hoare triple {38757#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38758#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,612 INFO L273 TraceCheckUtils]: 21: Hoare triple {38758#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38759#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,613 INFO L273 TraceCheckUtils]: 22: Hoare triple {38759#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38760#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,613 INFO L273 TraceCheckUtils]: 23: Hoare triple {38760#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38761#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,614 INFO L273 TraceCheckUtils]: 24: Hoare triple {38761#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38762#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,615 INFO L273 TraceCheckUtils]: 25: Hoare triple {38762#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38763#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,616 INFO L273 TraceCheckUtils]: 26: Hoare triple {38763#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38764#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,617 INFO L273 TraceCheckUtils]: 27: Hoare triple {38764#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38765#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,618 INFO L273 TraceCheckUtils]: 28: Hoare triple {38765#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38766#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,618 INFO L273 TraceCheckUtils]: 29: Hoare triple {38766#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38767#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,619 INFO L273 TraceCheckUtils]: 30: Hoare triple {38767#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38768#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,620 INFO L273 TraceCheckUtils]: 31: Hoare triple {38768#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38769#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,621 INFO L273 TraceCheckUtils]: 32: Hoare triple {38769#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38770#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,622 INFO L273 TraceCheckUtils]: 33: Hoare triple {38770#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38771#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,623 INFO L273 TraceCheckUtils]: 34: Hoare triple {38771#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38772#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,624 INFO L273 TraceCheckUtils]: 35: Hoare triple {38772#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38773#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,624 INFO L273 TraceCheckUtils]: 36: Hoare triple {38773#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38774#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,625 INFO L273 TraceCheckUtils]: 37: Hoare triple {38774#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38775#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,626 INFO L273 TraceCheckUtils]: 38: Hoare triple {38775#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38776#(<= 38 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,627 INFO L273 TraceCheckUtils]: 39: Hoare triple {38776#(<= 38 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38777#(<= 39 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,628 INFO L273 TraceCheckUtils]: 40: Hoare triple {38777#(<= 39 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38778#(<= 40 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:25:02,629 INFO L273 TraceCheckUtils]: 41: Hoare triple {38778#(<= 40 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {38777#(<= 39 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,630 INFO L273 TraceCheckUtils]: 42: Hoare triple {38777#(<= 39 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38776#(<= 38 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,630 INFO L273 TraceCheckUtils]: 43: Hoare triple {38776#(<= 38 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38775#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,631 INFO L273 TraceCheckUtils]: 44: Hoare triple {38775#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38774#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,632 INFO L273 TraceCheckUtils]: 45: Hoare triple {38774#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38773#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,633 INFO L273 TraceCheckUtils]: 46: Hoare triple {38773#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38772#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,634 INFO L273 TraceCheckUtils]: 47: Hoare triple {38772#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38771#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,635 INFO L273 TraceCheckUtils]: 48: Hoare triple {38771#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38770#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,636 INFO L273 TraceCheckUtils]: 49: Hoare triple {38770#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38769#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,636 INFO L273 TraceCheckUtils]: 50: Hoare triple {38769#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38768#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,637 INFO L273 TraceCheckUtils]: 51: Hoare triple {38768#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38767#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,638 INFO L273 TraceCheckUtils]: 52: Hoare triple {38767#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38766#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,639 INFO L273 TraceCheckUtils]: 53: Hoare triple {38766#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38765#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,640 INFO L273 TraceCheckUtils]: 54: Hoare triple {38765#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38764#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,641 INFO L273 TraceCheckUtils]: 55: Hoare triple {38764#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38763#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,641 INFO L273 TraceCheckUtils]: 56: Hoare triple {38763#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38762#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,642 INFO L273 TraceCheckUtils]: 57: Hoare triple {38762#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38761#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,643 INFO L273 TraceCheckUtils]: 58: Hoare triple {38761#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38760#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,644 INFO L273 TraceCheckUtils]: 59: Hoare triple {38760#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38759#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,645 INFO L273 TraceCheckUtils]: 60: Hoare triple {38759#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38758#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,646 INFO L273 TraceCheckUtils]: 61: Hoare triple {38758#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38757#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,647 INFO L273 TraceCheckUtils]: 62: Hoare triple {38757#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38756#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,647 INFO L273 TraceCheckUtils]: 63: Hoare triple {38756#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38755#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,648 INFO L273 TraceCheckUtils]: 64: Hoare triple {38755#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38754#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,649 INFO L273 TraceCheckUtils]: 65: Hoare triple {38754#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38753#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,650 INFO L273 TraceCheckUtils]: 66: Hoare triple {38753#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38752#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,651 INFO L273 TraceCheckUtils]: 67: Hoare triple {38752#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38751#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,652 INFO L273 TraceCheckUtils]: 68: Hoare triple {38751#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38750#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,653 INFO L273 TraceCheckUtils]: 69: Hoare triple {38750#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38749#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,653 INFO L273 TraceCheckUtils]: 70: Hoare triple {38749#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38748#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,654 INFO L273 TraceCheckUtils]: 71: Hoare triple {38748#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38747#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,655 INFO L273 TraceCheckUtils]: 72: Hoare triple {38747#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38746#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,656 INFO L273 TraceCheckUtils]: 73: Hoare triple {38746#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38745#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,657 INFO L273 TraceCheckUtils]: 74: Hoare triple {38745#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38744#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,658 INFO L273 TraceCheckUtils]: 75: Hoare triple {38744#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38743#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,658 INFO L273 TraceCheckUtils]: 76: Hoare triple {38743#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38742#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,659 INFO L273 TraceCheckUtils]: 77: Hoare triple {38742#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38741#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,660 INFO L273 TraceCheckUtils]: 78: Hoare triple {38741#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38740#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,661 INFO L273 TraceCheckUtils]: 79: Hoare triple {38740#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38739#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,662 INFO L273 TraceCheckUtils]: 80: Hoare triple {38739#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38738#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:02,662 INFO L273 TraceCheckUtils]: 81: Hoare triple {38738#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {38737#false} is VALID [2018-12-17 14:25:02,662 INFO L273 TraceCheckUtils]: 82: Hoare triple {38737#false} assume !false; {38737#false} is VALID [2018-12-17 14:25:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 780 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:25:02,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:25:02,669 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-17 14:25:02,669 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-17 14:25:02,669 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-17 14:25:02,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-17 14:25:02,670 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-17 14:25:02,678 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-17 14:25:02,678 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-17 14:25:02,954 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2018-12-17 14:25:02,955 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-17 14:25:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-17 14:25:02,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-17 14:25:03,395 INFO L273 TraceCheckUtils]: 0: Hoare triple {38736#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {38738#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,396 INFO L273 TraceCheckUtils]: 1: Hoare triple {38738#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38739#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,397 INFO L273 TraceCheckUtils]: 2: Hoare triple {38739#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38740#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,398 INFO L273 TraceCheckUtils]: 3: Hoare triple {38740#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38741#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,398 INFO L273 TraceCheckUtils]: 4: Hoare triple {38741#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38742#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,399 INFO L273 TraceCheckUtils]: 5: Hoare triple {38742#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38743#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,400 INFO L273 TraceCheckUtils]: 6: Hoare triple {38743#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38744#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,401 INFO L273 TraceCheckUtils]: 7: Hoare triple {38744#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38745#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,402 INFO L273 TraceCheckUtils]: 8: Hoare triple {38745#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38746#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,403 INFO L273 TraceCheckUtils]: 9: Hoare triple {38746#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38747#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,404 INFO L273 TraceCheckUtils]: 10: Hoare triple {38747#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38748#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,404 INFO L273 TraceCheckUtils]: 11: Hoare triple {38748#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38749#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,405 INFO L273 TraceCheckUtils]: 12: Hoare triple {38749#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38750#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,406 INFO L273 TraceCheckUtils]: 13: Hoare triple {38750#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38751#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,407 INFO L273 TraceCheckUtils]: 14: Hoare triple {38751#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38752#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,408 INFO L273 TraceCheckUtils]: 15: Hoare triple {38752#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38753#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,409 INFO L273 TraceCheckUtils]: 16: Hoare triple {38753#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38754#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,410 INFO L273 TraceCheckUtils]: 17: Hoare triple {38754#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38755#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,410 INFO L273 TraceCheckUtils]: 18: Hoare triple {38755#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38756#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,411 INFO L273 TraceCheckUtils]: 19: Hoare triple {38756#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38757#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,412 INFO L273 TraceCheckUtils]: 20: Hoare triple {38757#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38758#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,413 INFO L273 TraceCheckUtils]: 21: Hoare triple {38758#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38759#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,414 INFO L273 TraceCheckUtils]: 22: Hoare triple {38759#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38760#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,415 INFO L273 TraceCheckUtils]: 23: Hoare triple {38760#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38761#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,416 INFO L273 TraceCheckUtils]: 24: Hoare triple {38761#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38762#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,416 INFO L273 TraceCheckUtils]: 25: Hoare triple {38762#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38763#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,417 INFO L273 TraceCheckUtils]: 26: Hoare triple {38763#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38764#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,418 INFO L273 TraceCheckUtils]: 27: Hoare triple {38764#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38765#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,419 INFO L273 TraceCheckUtils]: 28: Hoare triple {38765#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38766#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,420 INFO L273 TraceCheckUtils]: 29: Hoare triple {38766#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38767#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,421 INFO L273 TraceCheckUtils]: 30: Hoare triple {38767#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38768#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,422 INFO L273 TraceCheckUtils]: 31: Hoare triple {38768#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38769#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,422 INFO L273 TraceCheckUtils]: 32: Hoare triple {38769#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38770#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,423 INFO L273 TraceCheckUtils]: 33: Hoare triple {38770#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38771#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,424 INFO L273 TraceCheckUtils]: 34: Hoare triple {38771#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38772#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,425 INFO L273 TraceCheckUtils]: 35: Hoare triple {38772#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38773#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,426 INFO L273 TraceCheckUtils]: 36: Hoare triple {38773#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38774#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,427 INFO L273 TraceCheckUtils]: 37: Hoare triple {38774#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38775#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,427 INFO L273 TraceCheckUtils]: 38: Hoare triple {38775#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38776#(<= 38 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,428 INFO L273 TraceCheckUtils]: 39: Hoare triple {38776#(<= 38 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38777#(<= 39 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,429 INFO L273 TraceCheckUtils]: 40: Hoare triple {38777#(<= 39 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38778#(<= 40 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:25:03,430 INFO L273 TraceCheckUtils]: 41: Hoare triple {38778#(<= 40 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {38777#(<= 39 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,431 INFO L273 TraceCheckUtils]: 42: Hoare triple {38777#(<= 39 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38776#(<= 38 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,432 INFO L273 TraceCheckUtils]: 43: Hoare triple {38776#(<= 38 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38775#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,433 INFO L273 TraceCheckUtils]: 44: Hoare triple {38775#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38774#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,434 INFO L273 TraceCheckUtils]: 45: Hoare triple {38774#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38773#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,434 INFO L273 TraceCheckUtils]: 46: Hoare triple {38773#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38772#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,435 INFO L273 TraceCheckUtils]: 47: Hoare triple {38772#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38771#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,436 INFO L273 TraceCheckUtils]: 48: Hoare triple {38771#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38770#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,437 INFO L273 TraceCheckUtils]: 49: Hoare triple {38770#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38769#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,438 INFO L273 TraceCheckUtils]: 50: Hoare triple {38769#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38768#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,439 INFO L273 TraceCheckUtils]: 51: Hoare triple {38768#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38767#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,439 INFO L273 TraceCheckUtils]: 52: Hoare triple {38767#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38766#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,440 INFO L273 TraceCheckUtils]: 53: Hoare triple {38766#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38765#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,441 INFO L273 TraceCheckUtils]: 54: Hoare triple {38765#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38764#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,442 INFO L273 TraceCheckUtils]: 55: Hoare triple {38764#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38763#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,443 INFO L273 TraceCheckUtils]: 56: Hoare triple {38763#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38762#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,444 INFO L273 TraceCheckUtils]: 57: Hoare triple {38762#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38761#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,445 INFO L273 TraceCheckUtils]: 58: Hoare triple {38761#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38760#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,445 INFO L273 TraceCheckUtils]: 59: Hoare triple {38760#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38759#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,446 INFO L273 TraceCheckUtils]: 60: Hoare triple {38759#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38758#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,447 INFO L273 TraceCheckUtils]: 61: Hoare triple {38758#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38757#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,448 INFO L273 TraceCheckUtils]: 62: Hoare triple {38757#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38756#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,449 INFO L273 TraceCheckUtils]: 63: Hoare triple {38756#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38755#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,450 INFO L273 TraceCheckUtils]: 64: Hoare triple {38755#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38754#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,451 INFO L273 TraceCheckUtils]: 65: Hoare triple {38754#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38753#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,451 INFO L273 TraceCheckUtils]: 66: Hoare triple {38753#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38752#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,452 INFO L273 TraceCheckUtils]: 67: Hoare triple {38752#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38751#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,453 INFO L273 TraceCheckUtils]: 68: Hoare triple {38751#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38750#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,454 INFO L273 TraceCheckUtils]: 69: Hoare triple {38750#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38749#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,455 INFO L273 TraceCheckUtils]: 70: Hoare triple {38749#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38748#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,456 INFO L273 TraceCheckUtils]: 71: Hoare triple {38748#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38747#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,456 INFO L273 TraceCheckUtils]: 72: Hoare triple {38747#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38746#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,457 INFO L273 TraceCheckUtils]: 73: Hoare triple {38746#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38745#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,458 INFO L273 TraceCheckUtils]: 74: Hoare triple {38745#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38744#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,459 INFO L273 TraceCheckUtils]: 75: Hoare triple {38744#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38743#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,460 INFO L273 TraceCheckUtils]: 76: Hoare triple {38743#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38742#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,461 INFO L273 TraceCheckUtils]: 77: Hoare triple {38742#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38741#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,462 INFO L273 TraceCheckUtils]: 78: Hoare triple {38741#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38740#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,462 INFO L273 TraceCheckUtils]: 79: Hoare triple {38740#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38739#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,463 INFO L273 TraceCheckUtils]: 80: Hoare triple {38739#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38738#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:03,464 INFO L273 TraceCheckUtils]: 81: Hoare triple {38738#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {38737#false} is VALID [2018-12-17 14:25:03,464 INFO L273 TraceCheckUtils]: 82: Hoare triple {38737#false} assume !false; {38737#false} is VALID [2018-12-17 14:25:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 780 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:25:03,470 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-17 14:25:05,126 INFO L273 TraceCheckUtils]: 82: Hoare triple {38737#false} assume !false; {38737#false} is VALID [2018-12-17 14:25:05,126 INFO L273 TraceCheckUtils]: 81: Hoare triple {38738#(<= 0 ULTIMATE.start_main_~i~6)} assume !(main_~i~6 >= 0);main_~j~6 := main_~MAX~6 - 1;main_~i~6 := 0;assume !!(main_~i~6 < main_~MAX~6);__VERIFIER_assert_#in~cond := (if main_~str1~6[main_~i~6] == main_~str2~6[main_~j~6] then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; {38737#false} is VALID [2018-12-17 14:25:05,127 INFO L273 TraceCheckUtils]: 80: Hoare triple {38739#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38738#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,127 INFO L273 TraceCheckUtils]: 79: Hoare triple {38740#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38739#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,128 INFO L273 TraceCheckUtils]: 78: Hoare triple {38741#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38740#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,129 INFO L273 TraceCheckUtils]: 77: Hoare triple {38742#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38741#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,130 INFO L273 TraceCheckUtils]: 76: Hoare triple {38743#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38742#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,131 INFO L273 TraceCheckUtils]: 75: Hoare triple {38744#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38743#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,132 INFO L273 TraceCheckUtils]: 74: Hoare triple {38745#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38744#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,132 INFO L273 TraceCheckUtils]: 73: Hoare triple {38746#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38745#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,133 INFO L273 TraceCheckUtils]: 72: Hoare triple {38747#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38746#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,134 INFO L273 TraceCheckUtils]: 71: Hoare triple {38748#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38747#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,135 INFO L273 TraceCheckUtils]: 70: Hoare triple {38749#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38748#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,136 INFO L273 TraceCheckUtils]: 69: Hoare triple {38750#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38749#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,137 INFO L273 TraceCheckUtils]: 68: Hoare triple {38751#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38750#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,137 INFO L273 TraceCheckUtils]: 67: Hoare triple {38752#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38751#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,138 INFO L273 TraceCheckUtils]: 66: Hoare triple {38753#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38752#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,139 INFO L273 TraceCheckUtils]: 65: Hoare triple {38754#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38753#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,140 INFO L273 TraceCheckUtils]: 64: Hoare triple {38755#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38754#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,141 INFO L273 TraceCheckUtils]: 63: Hoare triple {38756#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38755#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,142 INFO L273 TraceCheckUtils]: 62: Hoare triple {38757#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38756#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,143 INFO L273 TraceCheckUtils]: 61: Hoare triple {38758#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38757#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,143 INFO L273 TraceCheckUtils]: 60: Hoare triple {38759#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38758#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,144 INFO L273 TraceCheckUtils]: 59: Hoare triple {38760#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38759#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,145 INFO L273 TraceCheckUtils]: 58: Hoare triple {38761#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38760#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,146 INFO L273 TraceCheckUtils]: 57: Hoare triple {38762#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38761#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,147 INFO L273 TraceCheckUtils]: 56: Hoare triple {38763#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38762#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,148 INFO L273 TraceCheckUtils]: 55: Hoare triple {38764#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38763#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,149 INFO L273 TraceCheckUtils]: 54: Hoare triple {38765#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38764#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,149 INFO L273 TraceCheckUtils]: 53: Hoare triple {38766#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38765#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,150 INFO L273 TraceCheckUtils]: 52: Hoare triple {38767#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38766#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,151 INFO L273 TraceCheckUtils]: 51: Hoare triple {38768#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38767#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,152 INFO L273 TraceCheckUtils]: 50: Hoare triple {38769#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38768#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,153 INFO L273 TraceCheckUtils]: 49: Hoare triple {38770#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38769#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,154 INFO L273 TraceCheckUtils]: 48: Hoare triple {38771#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38770#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,154 INFO L273 TraceCheckUtils]: 47: Hoare triple {38772#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38771#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,155 INFO L273 TraceCheckUtils]: 46: Hoare triple {38773#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38772#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,156 INFO L273 TraceCheckUtils]: 45: Hoare triple {38774#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38773#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,157 INFO L273 TraceCheckUtils]: 44: Hoare triple {38775#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38774#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,158 INFO L273 TraceCheckUtils]: 43: Hoare triple {38776#(<= 38 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38775#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,159 INFO L273 TraceCheckUtils]: 42: Hoare triple {38777#(<= 39 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {38776#(<= 38 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,160 INFO L273 TraceCheckUtils]: 41: Hoare triple {38778#(<= 40 ULTIMATE.start_main_~MAX~6)} assume !(main_~i~6 < main_~MAX~6);main_~str1~6 := main_~str1~6[main_~MAX~6 - 1 := 0];main_~j~6 := 0;main_~i~6 := main_~MAX~6 - 1; {38777#(<= 39 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,161 INFO L273 TraceCheckUtils]: 40: Hoare triple {38777#(<= 39 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38778#(<= 40 ULTIMATE.start_main_~MAX~6)} is VALID [2018-12-17 14:25:05,161 INFO L273 TraceCheckUtils]: 39: Hoare triple {38776#(<= 38 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38777#(<= 39 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,162 INFO L273 TraceCheckUtils]: 38: Hoare triple {38775#(<= 37 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38776#(<= 38 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,163 INFO L273 TraceCheckUtils]: 37: Hoare triple {38774#(<= 36 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38775#(<= 37 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,164 INFO L273 TraceCheckUtils]: 36: Hoare triple {38773#(<= 35 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38774#(<= 36 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,165 INFO L273 TraceCheckUtils]: 35: Hoare triple {38772#(<= 34 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38773#(<= 35 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,166 INFO L273 TraceCheckUtils]: 34: Hoare triple {38771#(<= 33 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38772#(<= 34 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,166 INFO L273 TraceCheckUtils]: 33: Hoare triple {38770#(<= 32 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38771#(<= 33 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,167 INFO L273 TraceCheckUtils]: 32: Hoare triple {38769#(<= 31 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38770#(<= 32 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,168 INFO L273 TraceCheckUtils]: 31: Hoare triple {38768#(<= 30 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38769#(<= 31 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,169 INFO L273 TraceCheckUtils]: 30: Hoare triple {38767#(<= 29 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38768#(<= 30 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,170 INFO L273 TraceCheckUtils]: 29: Hoare triple {38766#(<= 28 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38767#(<= 29 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,171 INFO L273 TraceCheckUtils]: 28: Hoare triple {38765#(<= 27 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38766#(<= 28 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,172 INFO L273 TraceCheckUtils]: 27: Hoare triple {38764#(<= 26 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38765#(<= 27 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,172 INFO L273 TraceCheckUtils]: 26: Hoare triple {38763#(<= 25 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38764#(<= 26 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,173 INFO L273 TraceCheckUtils]: 25: Hoare triple {38762#(<= 24 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38763#(<= 25 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,174 INFO L273 TraceCheckUtils]: 24: Hoare triple {38761#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38762#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,175 INFO L273 TraceCheckUtils]: 23: Hoare triple {38760#(<= 22 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38761#(<= 23 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,176 INFO L273 TraceCheckUtils]: 22: Hoare triple {38759#(<= 21 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38760#(<= 22 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,177 INFO L273 TraceCheckUtils]: 21: Hoare triple {38758#(<= 20 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38759#(<= 21 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,178 INFO L273 TraceCheckUtils]: 20: Hoare triple {38757#(<= 19 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38758#(<= 20 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,178 INFO L273 TraceCheckUtils]: 19: Hoare triple {38756#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38757#(<= 19 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,179 INFO L273 TraceCheckUtils]: 18: Hoare triple {38755#(<= 17 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38756#(<= 18 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,180 INFO L273 TraceCheckUtils]: 17: Hoare triple {38754#(<= 16 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38755#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,181 INFO L273 TraceCheckUtils]: 16: Hoare triple {38753#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38754#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,182 INFO L273 TraceCheckUtils]: 15: Hoare triple {38752#(<= 14 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38753#(<= 15 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,183 INFO L273 TraceCheckUtils]: 14: Hoare triple {38751#(<= 13 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38752#(<= 14 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,183 INFO L273 TraceCheckUtils]: 13: Hoare triple {38750#(<= 12 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38751#(<= 13 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,184 INFO L273 TraceCheckUtils]: 12: Hoare triple {38749#(<= 11 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38750#(<= 12 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,185 INFO L273 TraceCheckUtils]: 11: Hoare triple {38748#(<= 10 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38749#(<= 11 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,186 INFO L273 TraceCheckUtils]: 10: Hoare triple {38747#(<= 9 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38748#(<= 10 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,187 INFO L273 TraceCheckUtils]: 9: Hoare triple {38746#(<= 8 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38747#(<= 9 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,188 INFO L273 TraceCheckUtils]: 8: Hoare triple {38745#(<= 7 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38746#(<= 8 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,189 INFO L273 TraceCheckUtils]: 7: Hoare triple {38744#(<= 6 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38745#(<= 7 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,189 INFO L273 TraceCheckUtils]: 6: Hoare triple {38743#(<= 5 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38744#(<= 6 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,190 INFO L273 TraceCheckUtils]: 5: Hoare triple {38742#(<= 4 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38743#(<= 5 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,191 INFO L273 TraceCheckUtils]: 4: Hoare triple {38741#(<= 3 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38742#(<= 4 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,192 INFO L273 TraceCheckUtils]: 3: Hoare triple {38740#(<= 2 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38741#(<= 3 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,193 INFO L273 TraceCheckUtils]: 2: Hoare triple {38739#(<= 1 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38740#(<= 2 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,194 INFO L273 TraceCheckUtils]: 1: Hoare triple {38738#(<= 0 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {38739#(<= 1 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,194 INFO L273 TraceCheckUtils]: 0: Hoare triple {38736#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet2, main_#t~post1, main_#t~post4, main_#t~post3, main_#t~post6, main_#t~post5, main_~MAX~6, main_~str1~6, main_~str2~6, main_~cont~6, main_~i~6, main_~j~6;main_~MAX~6 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;havoc main_~str1~6;havoc main_~str2~6;havoc main_~cont~6;havoc main_~i~6;havoc main_~j~6;main_~cont~6 := 0;main_~i~6 := 0; {38738#(<= 0 ULTIMATE.start_main_~i~6)} is VALID [2018-12-17 14:25:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 780 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-17 14:25:05,227 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-17 14:25:05,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 42 [2018-12-17 14:25:05,227 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-17 14:25:05,227 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 83 [2018-12-17 14:25:05,227 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-12-17 14:25:05,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 43 states. [2018-12-17 14:25:05,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-12-17 14:25:05,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-12-17 14:25:05,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-12-17 14:25:05,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2018-12-17 14:25:05,322 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 43 states.