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-fa1c628-m [2019-01-31 14:30:58,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 14:30:58,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 14:30:58,714 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-31 14:30:58,759 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 [2019-01-31 14:30:58,781 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 14:30:58,782 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 14:30:58,783 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 14:30:58,783 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 14:30:58,784 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 14:30:58,784 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 14:30:58,784 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 14:30:58,784 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 14:30:58,784 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 14:30:58,785 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 14:30:58,785 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 14:30:58,786 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 14:30:58,786 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 14:30:58,786 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 14:30:58,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 14:30:58,787 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 14:30:58,787 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 14:30:58,787 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 14:30:58,788 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 14:30:58,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 14:30:58,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 14:30:58,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 14:30:58,790 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 14:30:58,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 14:30:58,790 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 14:30:58,791 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 14:30:58,791 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 14:30:58,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 14:30:58,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 14:30:58,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 14:30:58,792 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 14:30:58,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 14:30:58,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 14:30:58,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 14:30:58,793 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 14:30:58,793 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 14:30:58,793 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 14:30:58,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 14:30:58,793 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 14:30:58,794 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 14:30:58,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 14:30:58,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 14:30:58,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 14:30:58,851 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 14:30:58,852 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 14:30:58,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2019-01-31 14:30:58,853 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2019-01-31 14:30:58,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 14:30:58,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 14:30:58,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 14:30:58,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 14:30:58,924 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 14:30:58,942 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,954 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 14:30:58,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 14:30:58,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 14:30:58,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 14:30:58,978 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,979 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,980 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,980 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,985 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,988 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,990 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 31.01 02:30:58" (1/1) ... [2019-01-31 14:30:58,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 14:30:58,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 14:30:58,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 14:30:58,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 14:30:58,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 02:30:58" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 14:30:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-31 14:30:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-31 14:30:59,485 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-31 14:30:59,486 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-31 14:30:59,487 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 02:30:59 BoogieIcfgContainer [2019-01-31 14:30:59,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 14:30:59,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-31 14:30:59,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-31 14:30:59,497 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-31 14:30:59,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 02:30:58" (1/2) ... [2019-01-31 14:30:59,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175d837a and model type invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 02:30:59, skipping insertion in model container [2019-01-31 14:30:59,501 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 31.01 02:30:59" (2/2) ... [2019-01-31 14:30:59,502 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string.i_4.bpl [2019-01-31 14:30:59,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-31 14:30:59,523 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-31 14:30:59,540 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-31 14:30:59,578 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-31 14:30:59,578 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-31 14:30:59,578 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-31 14:30:59,579 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-31 14:30:59,579 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-31 14:30:59,579 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-31 14:30:59,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-31 14:30:59,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-31 14:30:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-01-31 14:30:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-31 14:30:59,617 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:30:59,618 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-31 14:30:59,621 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:30:59,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:30:59,627 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2019-01-31 14:30:59,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:30:59,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:30:59,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:30:59,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:30:59,681 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:30:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:30:59,847 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 [2019-01-31 14:30:59,852 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 [2019-01-31 14:30:59,853 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 [2019-01-31 14:30:59,854 INFO L273 TraceCheckUtils]: 3: Hoare triple {11#false} assume !false; {11#false} is VALID [2019-01-31 14:30:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:30:59,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-31 14:30:59,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-31 14:30:59,859 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-31 14:30:59,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-31 14:30:59,867 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:30:59,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-31 14:30:59,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:30:59,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-31 14:30:59,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-31 14:30:59,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-31 14:30:59,918 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-01-31 14:31:00,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:00,042 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-01-31 14:31:00,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-31 14:31:00,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-31 14:31:00,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-31 14:31:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-01-31 14:31:00,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-31 14:31:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-01-31 14:31:00,053 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 12 transitions. [2019-01-31 14:31:00,142 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:00,152 INFO L225 Difference]: With dead ends: 10 [2019-01-31 14:31:00,153 INFO L226 Difference]: Without dead ends: 6 [2019-01-31 14:31:00,156 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 [2019-01-31 14:31:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-01-31 14:31:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-01-31 14:31:00,249 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:00,250 INFO L82 GeneralOperation]: Start isEquivalent. First operand 6 states. Second operand 6 states. [2019-01-31 14:31:00,251 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-01-31 14:31:00,251 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-01-31 14:31:00,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:00,253 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-01-31 14:31:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-31 14:31:00,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:00,254 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:00,254 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-01-31 14:31:00,254 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-01-31 14:31:00,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:00,256 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-01-31 14:31:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-31 14:31:00,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:00,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:00,257 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:00,257 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-31 14:31:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-01-31 14:31:00,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 4 [2019-01-31 14:31:00,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:00,264 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-01-31 14:31:00,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-31 14:31:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-31 14:31:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-31 14:31:00,265 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:00,266 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-31 14:31:00,266 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:00,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:00,267 INFO L82 PathProgramCache]: Analyzing trace with hash 28791948, now seen corresponding path program 1 times [2019-01-31 14:31:00,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:00,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:00,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:00,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:00,268 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:00,426 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 [2019-01-31 14:31:00,445 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 [2019-01-31 14:31:00,461 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 [2019-01-31 14:31:00,462 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 [2019-01-31 14:31:00,462 INFO L273 TraceCheckUtils]: 4: Hoare triple {53#false} assume !false; {53#false} is VALID [2019-01-31 14:31:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:00,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-31 14:31:00,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-31 14:31:00,463 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-31 14:31:00,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-31 14:31:00,465 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:00,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2019-01-31 14:31:00,490 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:00,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-31 14:31:00,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-31 14:31:00,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-31 14:31:00,491 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2019-01-31 14:31:00,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:00,685 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-01-31 14:31:00,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-31 14:31:00,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-31 14:31:00,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-31 14:31:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-01-31 14:31:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-31 14:31:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-01-31 14:31:00,691 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2019-01-31 14:31:00,729 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:00,731 INFO L225 Difference]: With dead ends: 11 [2019-01-31 14:31:00,731 INFO L226 Difference]: Without dead ends: 7 [2019-01-31 14:31:00,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-31 14:31:00,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-01-31 14:31:00,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-01-31 14:31:00,743 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:00,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2019-01-31 14:31:00,743 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-01-31 14:31:00,743 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-01-31 14:31:00,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:00,744 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-01-31 14:31:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-31 14:31:00,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:00,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:00,745 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-01-31 14:31:00,746 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-01-31 14:31:00,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:00,747 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-01-31 14:31:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-31 14:31:00,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:00,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:00,748 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:00,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-31 14:31:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-01-31 14:31:00,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2019-01-31 14:31:00,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:00,750 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-01-31 14:31:00,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-31 14:31:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-31 14:31:00,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-31 14:31:00,751 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:00,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-31 14:31:00,751 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:00,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:00,751 INFO L82 PathProgramCache]: Analyzing trace with hash 894131125, now seen corresponding path program 1 times [2019-01-31 14:31:00,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:00,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:00,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:00,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:00,753 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:01,237 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 [2019-01-31 14:31:01,246 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 [2019-01-31 14:31:01,258 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 [2019-01-31 14:31:01,261 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 [2019-01-31 14:31:01,262 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 [2019-01-31 14:31:01,263 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-01-31 14:31:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:01,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:01,264 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:01,265 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2019-01-31 14:31:01,267 INFO L207 CegarAbsIntRunner]: [0], [5], [7], [12], [14], [16] [2019-01-31 14:31:01,300 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-01-31 14:31:01,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 14:31:01,525 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 14:31:01,526 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. [2019-01-31 14:31:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:01,531 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-31 14:31:01,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:01,531 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 [2019-01-31 14:31:01,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:01,541 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:31:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:01,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:01,933 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-01-31 14:31:02,106 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 [2019-01-31 14:31:02,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:02,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:02,135 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:31:02,154 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:02,155 WARN L398 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)) [2019-01-31 14:31:02,155 WARN L399 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)) [2019-01-31 14:31:02,320 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 [2019-01-31 14:31:02,321 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 [2019-01-31 14:31:02,322 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 [2019-01-31 14:31:02,333 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 [2019-01-31 14:31:02,334 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 [2019-01-31 14:31:02,334 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-01-31 14:31:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:02,335 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:02,408 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 [2019-01-31 14:31:02,447 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:02,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:02,460 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:31:02,463 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:02,463 WARN L398 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))))) [2019-01-31 14:31:02,463 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:31:02,523 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-01-31 14:31:02,524 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 [2019-01-31 14:31:02,525 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 [2019-01-31 14:31:02,526 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 [2019-01-31 14:31:02,527 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 [2019-01-31 14:31:02,528 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 [2019-01-31 14:31:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:02,552 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:02,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2019-01-31 14:31:02,552 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:02,553 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2019-01-31 14:31:02,553 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:02,554 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2019-01-31 14:31:02,576 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:02,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-31 14:31:02,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-31 14:31:02,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-01-31 14:31:02,577 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 10 states. [2019-01-31 14:31:03,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:03,063 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-01-31 14:31:03,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-31 14:31:03,063 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2019-01-31 14:31:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-31 14:31:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2019-01-31 14:31:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-31 14:31:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2019-01-31 14:31:03,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 14 transitions. [2019-01-31 14:31:03,094 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:03,095 INFO L225 Difference]: With dead ends: 12 [2019-01-31 14:31:03,096 INFO L226 Difference]: Without dead ends: 8 [2019-01-31 14:31:03,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-01-31 14:31:03,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-31 14:31:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-31 14:31:03,111 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:03,111 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states. Second operand 8 states. [2019-01-31 14:31:03,111 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2019-01-31 14:31:03,112 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2019-01-31 14:31:03,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:03,113 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-01-31 14:31:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-31 14:31:03,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:03,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:03,114 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2019-01-31 14:31:03,114 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2019-01-31 14:31:03,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:03,115 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-01-31 14:31:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-31 14:31:03,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:03,116 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:03,116 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:03,116 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-31 14:31:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-01-31 14:31:03,117 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2019-01-31 14:31:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:03,118 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-01-31 14:31:03,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-31 14:31:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-31 14:31:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-31 14:31:03,119 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:03,119 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-01-31 14:31:03,119 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:03,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:03,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1949841836, now seen corresponding path program 2 times [2019-01-31 14:31:03,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:03,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:03,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:03,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:03,121 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:03,227 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 [2019-01-31 14:31:03,228 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 [2019-01-31 14:31:03,229 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 [2019-01-31 14:31:03,230 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 [2019-01-31 14:31:03,231 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 [2019-01-31 14:31:03,236 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 [2019-01-31 14:31:03,236 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-01-31 14:31:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:03,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:03,237 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:03,237 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:03,238 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:03,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:03,238 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 [2019-01-31 14:31:03,246 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:31:03,246 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:31:03,259 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-31 14:31:03,260 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:03,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:03,363 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 [2019-01-31 14:31:03,364 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 [2019-01-31 14:31:03,366 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 [2019-01-31 14:31:03,367 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 [2019-01-31 14:31:03,368 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 [2019-01-31 14:31:03,369 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 [2019-01-31 14:31:03,369 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-01-31 14:31:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:03,370 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:03,539 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-01-31 14:31:03,554 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 [2019-01-31 14:31:03,569 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 [2019-01-31 14:31:03,575 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 [2019-01-31 14:31:03,577 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 [2019-01-31 14:31:03,579 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 [2019-01-31 14:31:03,580 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 [2019-01-31 14:31:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:03,601 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:03,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2019-01-31 14:31:03,601 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:03,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-01-31 14:31:03,602 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:03,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2019-01-31 14:31:03,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:03,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-31 14:31:03,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-31 14:31:03,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-31 14:31:03,621 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 5 states. [2019-01-31 14:31:03,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:03,746 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-31 14:31:03,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-31 14:31:03,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-01-31 14:31:03,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-31 14:31:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2019-01-31 14:31:03,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-31 14:31:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2019-01-31 14:31:03,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 12 transitions. [2019-01-31 14:31:03,770 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:03,770 INFO L225 Difference]: With dead ends: 11 [2019-01-31 14:31:03,771 INFO L226 Difference]: Without dead ends: 9 [2019-01-31 14:31:03,771 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 [2019-01-31 14:31:03,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-31 14:31:03,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-31 14:31:03,868 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:03,868 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9 states. Second operand 9 states. [2019-01-31 14:31:03,868 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2019-01-31 14:31:03,869 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2019-01-31 14:31:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:03,870 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-01-31 14:31:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-31 14:31:03,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:03,870 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:03,870 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2019-01-31 14:31:03,870 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2019-01-31 14:31:03,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:03,871 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-01-31 14:31:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-31 14:31:03,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:03,872 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:03,872 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:03,872 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-31 14:31:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-01-31 14:31:03,873 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2019-01-31 14:31:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:03,874 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-01-31 14:31:03,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-31 14:31:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-31 14:31:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-31 14:31:03,875 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:03,875 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2019-01-31 14:31:03,875 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:03,875 INFO L82 PathProgramCache]: Analyzing trace with hash 315556586, now seen corresponding path program 3 times [2019-01-31 14:31:03,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:03,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:03,876 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:03,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:03,877 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:04,229 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 [2019-01-31 14:31:04,234 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 [2019-01-31 14:31:04,235 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 [2019-01-31 14:31:04,235 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 [2019-01-31 14:31:04,239 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 [2019-01-31 14:31:04,239 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 [2019-01-31 14:31:04,240 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 [2019-01-31 14:31:04,240 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-01-31 14:31:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:04,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:04,242 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:04,242 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:04,242 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:04,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:04,243 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 [2019-01-31 14:31:04,256 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:31:04,256 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:31:04,264 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:31:04,264 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:04,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:04,356 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 [2019-01-31 14:31:04,358 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:04,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:04,366 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:31:04,369 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:04,369 WARN L398 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)) [2019-01-31 14:31:04,369 WARN L399 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))) [2019-01-31 14:31:04,417 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 [2019-01-31 14:31:04,418 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 [2019-01-31 14:31:04,418 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 [2019-01-31 14:31:04,419 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 [2019-01-31 14:31:04,420 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 [2019-01-31 14:31:04,421 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 [2019-01-31 14:31:04,430 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 [2019-01-31 14:31:04,431 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-01-31 14:31:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-31 14:31:04,431 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:04,615 WARN L181 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-01-31 14:31:04,620 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 [2019-01-31 14:31:04,622 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:04,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:04,634 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:31:04,774 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-01-31 14:31:04,780 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 [2019-01-31 14:31:04,781 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 [2019-01-31 14:31:04,782 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 [2019-01-31 14:31:04,783 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 [2019-01-31 14:31:04,783 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 [2019-01-31 14:31:04,783 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 [2019-01-31 14:31:04,783 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 [2019-01-31 14:31:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-31 14:31:04,803 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:04,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14 [2019-01-31 14:31:04,803 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:04,803 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-01-31 14:31:04,804 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:04,804 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2019-01-31 14:31:04,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:04,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-31 14:31:04,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-31 14:31:04,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-01-31 14:31:04,835 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 11 states. [2019-01-31 14:31:05,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:05,658 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-01-31 14:31:05,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-31 14:31:05,659 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-01-31 14:31:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:05,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-31 14:31:05,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2019-01-31 14:31:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-31 14:31:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2019-01-31 14:31:05,663 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 21 transitions. [2019-01-31 14:31:05,729 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:05,730 INFO L225 Difference]: With dead ends: 17 [2019-01-31 14:31:05,730 INFO L226 Difference]: Without dead ends: 11 [2019-01-31 14:31:05,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2019-01-31 14:31:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-31 14:31:05,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-31 14:31:05,775 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:05,776 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 11 states. [2019-01-31 14:31:05,776 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-01-31 14:31:05,776 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-01-31 14:31:05,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:05,778 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-31 14:31:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-31 14:31:05,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:05,779 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:05,779 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-01-31 14:31:05,779 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-01-31 14:31:05,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:05,780 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-31 14:31:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-31 14:31:05,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:05,781 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:05,781 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:05,781 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-31 14:31:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-01-31 14:31:05,782 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2019-01-31 14:31:05,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:05,782 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-01-31 14:31:05,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-31 14:31:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-31 14:31:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-31 14:31:05,783 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:05,783 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1] [2019-01-31 14:31:05,783 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:05,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:05,784 INFO L82 PathProgramCache]: Analyzing trace with hash -175395819, now seen corresponding path program 4 times [2019-01-31 14:31:05,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:05,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:05,785 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:05,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:05,785 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:06,341 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 [2019-01-31 14:31:06,342 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 [2019-01-31 14:31:06,344 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 [2019-01-31 14:31:06,345 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 [2019-01-31 14:31:06,346 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 [2019-01-31 14:31:06,348 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 [2019-01-31 14:31:06,349 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 [2019-01-31 14:31:06,351 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 [2019-01-31 14:31:06,352 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 [2019-01-31 14:31:06,353 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-01-31 14:31:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:06,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:06,354 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:06,355 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:06,355 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:06,355 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:06,355 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 [2019-01-31 14:31:06,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:06,367 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:31:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:06,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:06,673 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 [2019-01-31 14:31:06,678 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:06,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:06,684 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:31:06,687 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:06,687 WARN L398 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)) [2019-01-31 14:31:06,688 WARN L399 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)) [2019-01-31 14:31:06,725 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 [2019-01-31 14:31:06,726 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 [2019-01-31 14:31:06,727 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 [2019-01-31 14:31:06,729 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 [2019-01-31 14:31:06,730 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 [2019-01-31 14:31:06,731 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 [2019-01-31 14:31:06,732 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 [2019-01-31 14:31:06,733 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 [2019-01-31 14:31:06,735 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 [2019-01-31 14:31:06,735 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-01-31 14:31:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:06,737 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:06,773 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 [2019-01-31 14:31:06,774 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:06,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:06,778 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:31:06,781 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:06,781 WARN L398 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))))) [2019-01-31 14:31:06,781 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:31:06,833 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-01-31 14:31:06,834 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 [2019-01-31 14:31:06,836 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 [2019-01-31 14:31:06,837 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 [2019-01-31 14:31:06,838 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 [2019-01-31 14:31:06,839 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 [2019-01-31 14:31:06,841 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 [2019-01-31 14:31:06,842 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 [2019-01-31 14:31:06,843 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 [2019-01-31 14:31:06,844 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 [2019-01-31 14:31:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:06,870 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:06,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2019-01-31 14:31:06,870 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:06,870 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2019-01-31 14:31:06,871 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:06,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2019-01-31 14:31:06,894 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:06,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-31 14:31:06,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-31 14:31:06,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-01-31 14:31:06,895 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 16 states. [2019-01-31 14:31:07,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:07,628 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-01-31 14:31:07,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-31 14:31:07,628 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2019-01-31 14:31:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-31 14:31:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-01-31 14:31:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-31 14:31:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-01-31 14:31:07,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 18 transitions. [2019-01-31 14:31:07,657 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:07,658 INFO L225 Difference]: With dead ends: 18 [2019-01-31 14:31:07,658 INFO L226 Difference]: Without dead ends: 12 [2019-01-31 14:31:07,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2019-01-31 14:31:07,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-31 14:31:07,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-31 14:31:07,765 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:07,765 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2019-01-31 14:31:07,765 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2019-01-31 14:31:07,766 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2019-01-31 14:31:07,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:07,767 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-01-31 14:31:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-01-31 14:31:07,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:07,769 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:07,769 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2019-01-31 14:31:07,769 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2019-01-31 14:31:07,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:07,770 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-01-31 14:31:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-01-31 14:31:07,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:07,771 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:07,771 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:07,771 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-31 14:31:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-01-31 14:31:07,772 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2019-01-31 14:31:07,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:07,772 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-01-31 14:31:07,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-31 14:31:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-01-31 14:31:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-31 14:31:07,773 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:07,773 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1] [2019-01-31 14:31:07,773 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:07,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:07,774 INFO L82 PathProgramCache]: Analyzing trace with hash 375043724, now seen corresponding path program 5 times [2019-01-31 14:31:07,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:07,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:07,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:07,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:07,775 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:07,904 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 [2019-01-31 14:31:07,905 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 [2019-01-31 14:31:07,906 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 [2019-01-31 14:31:07,907 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 [2019-01-31 14:31:07,908 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 [2019-01-31 14:31:07,915 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 [2019-01-31 14:31:07,916 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 [2019-01-31 14:31:07,916 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 [2019-01-31 14:31:07,917 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 [2019-01-31 14:31:07,917 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 [2019-01-31 14:31:07,918 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-01-31 14:31:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:07,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:07,918 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:07,919 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:07,919 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:07,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:07,919 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 [2019-01-31 14:31:07,928 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:31:07,928 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:31:07,970 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-01-31 14:31:07,970 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:07,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:08,051 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 [2019-01-31 14:31:08,052 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 [2019-01-31 14:31:08,053 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 [2019-01-31 14:31:08,054 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 [2019-01-31 14:31:08,055 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 [2019-01-31 14:31:08,055 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 [2019-01-31 14:31:08,056 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 [2019-01-31 14:31:08,057 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 [2019-01-31 14:31:08,059 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 [2019-01-31 14:31:08,068 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 [2019-01-31 14:31:08,069 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-01-31 14:31:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:08,069 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:08,185 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-01-31 14:31:08,186 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 [2019-01-31 14:31:08,187 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 [2019-01-31 14:31:08,188 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 [2019-01-31 14:31:08,189 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 [2019-01-31 14:31:08,191 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 [2019-01-31 14:31:08,191 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 [2019-01-31 14:31:08,192 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 [2019-01-31 14:31:08,192 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 [2019-01-31 14:31:08,193 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 [2019-01-31 14:31:08,194 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 [2019-01-31 14:31:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:08,214 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:08,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2019-01-31 14:31:08,214 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:08,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-01-31 14:31:08,214 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:08,215 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2019-01-31 14:31:08,229 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:08,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-31 14:31:08,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-31 14:31:08,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-31 14:31:08,230 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 7 states. [2019-01-31 14:31:08,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:08,476 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-31 14:31:08,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-31 14:31:08,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-01-31 14:31:08,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-31 14:31:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-01-31 14:31:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-31 14:31:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-01-31 14:31:08,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 16 transitions. [2019-01-31 14:31:08,495 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:08,496 INFO L225 Difference]: With dead ends: 15 [2019-01-31 14:31:08,496 INFO L226 Difference]: Without dead ends: 13 [2019-01-31 14:31:08,497 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 [2019-01-31 14:31:08,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-31 14:31:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-01-31 14:31:08,599 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:08,599 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2019-01-31 14:31:08,599 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2019-01-31 14:31:08,599 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2019-01-31 14:31:08,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:08,601 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-01-31 14:31:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-01-31 14:31:08,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:08,602 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:08,602 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2019-01-31 14:31:08,602 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2019-01-31 14:31:08,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:08,604 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-01-31 14:31:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-01-31 14:31:08,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:08,604 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:08,605 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:08,605 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-31 14:31:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-01-31 14:31:08,606 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2019-01-31 14:31:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:08,606 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-01-31 14:31:08,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-31 14:31:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-01-31 14:31:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-31 14:31:08,607 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:08,607 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1] [2019-01-31 14:31:08,607 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:08,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1258544630, now seen corresponding path program 6 times [2019-01-31 14:31:08,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:08,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:08,609 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:08,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:08,609 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:08,833 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 [2019-01-31 14:31:08,835 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 [2019-01-31 14:31:08,836 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 [2019-01-31 14:31:08,837 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 [2019-01-31 14:31:08,838 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 [2019-01-31 14:31:08,840 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 [2019-01-31 14:31:08,841 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 [2019-01-31 14:31:08,842 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 [2019-01-31 14:31:08,843 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 [2019-01-31 14:31:08,845 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 [2019-01-31 14:31:08,846 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 [2019-01-31 14:31:08,847 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-01-31 14:31:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:08,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:08,849 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:08,849 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:08,849 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:08,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:08,849 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 [2019-01-31 14:31:08,858 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:31:08,859 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:31:08,871 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:31:08,871 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:08,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:09,016 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 [2019-01-31 14:31:09,034 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:09,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:09,050 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:31:09,053 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:09,053 WARN L398 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)) [2019-01-31 14:31:09,053 WARN L399 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)) [2019-01-31 14:31:09,092 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 [2019-01-31 14:31:09,093 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 [2019-01-31 14:31:09,093 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 [2019-01-31 14:31:09,093 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 [2019-01-31 14:31:09,094 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 [2019-01-31 14:31:09,094 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 [2019-01-31 14:31:09,095 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 [2019-01-31 14:31:09,103 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 [2019-01-31 14:31:09,104 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 [2019-01-31 14:31:09,105 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 [2019-01-31 14:31:09,106 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 [2019-01-31 14:31:09,106 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-01-31 14:31:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-01-31 14:31:09,107 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:09,212 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 [2019-01-31 14:31:09,214 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:09,244 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:09,244 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:31:09,260 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:09,260 WARN L398 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)) [2019-01-31 14:31:09,261 WARN L399 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)) [2019-01-31 14:31:09,474 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-01-31 14:31:09,476 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 [2019-01-31 14:31:09,477 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 [2019-01-31 14:31:09,478 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 [2019-01-31 14:31:09,479 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 [2019-01-31 14:31:09,480 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 [2019-01-31 14:31:09,481 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 [2019-01-31 14:31:09,481 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 [2019-01-31 14:31:09,481 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 [2019-01-31 14:31:09,482 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 [2019-01-31 14:31:09,482 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 [2019-01-31 14:31:09,482 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 [2019-01-31 14:31:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-01-31 14:31:09,508 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:09,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 22 [2019-01-31 14:31:09,509 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:09,509 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2019-01-31 14:31:09,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:09,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2019-01-31 14:31:09,532 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:09,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-31 14:31:09,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-31 14:31:09,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2019-01-31 14:31:09,533 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 17 states. [2019-01-31 14:31:10,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:10,762 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-01-31 14:31:10,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-01-31 14:31:10,763 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2019-01-31 14:31:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-31 14:31:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2019-01-31 14:31:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-31 14:31:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2019-01-31 14:31:10,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 27 transitions. [2019-01-31 14:31:10,813 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:10,814 INFO L225 Difference]: With dead ends: 23 [2019-01-31 14:31:10,815 INFO L226 Difference]: Without dead ends: 15 [2019-01-31 14:31:10,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2019-01-31 14:31:10,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-31 14:31:10,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-01-31 14:31:10,945 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:10,945 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2019-01-31 14:31:10,945 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2019-01-31 14:31:10,946 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2019-01-31 14:31:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:10,947 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-31 14:31:10,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-01-31 14:31:10,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:10,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:10,949 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2019-01-31 14:31:10,949 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2019-01-31 14:31:10,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:10,950 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-31 14:31:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-01-31 14:31:10,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:10,951 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:10,951 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:10,951 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-31 14:31:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-01-31 14:31:10,952 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2019-01-31 14:31:10,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:10,953 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-01-31 14:31:10,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-31 14:31:10,953 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-01-31 14:31:10,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-31 14:31:10,953 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:10,954 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1] [2019-01-31 14:31:10,954 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:10,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:10,954 INFO L82 PathProgramCache]: Analyzing trace with hash -400886667, now seen corresponding path program 7 times [2019-01-31 14:31:10,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:10,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:10,955 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:10,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:10,955 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:11,479 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 [2019-01-31 14:31:11,480 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 [2019-01-31 14:31:11,481 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 [2019-01-31 14:31:11,482 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 [2019-01-31 14:31:11,484 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 [2019-01-31 14:31:11,486 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 [2019-01-31 14:31:11,491 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 [2019-01-31 14:31:11,491 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 [2019-01-31 14:31:11,492 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 [2019-01-31 14:31:11,493 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 [2019-01-31 14:31:11,493 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 [2019-01-31 14:31:11,494 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 [2019-01-31 14:31:11,495 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 [2019-01-31 14:31:11,495 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-01-31 14:31:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:11,496 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:11,497 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:11,497 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:11,497 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:11,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:11,497 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 [2019-01-31 14:31:11,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:11,507 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:31:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:11,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:11,769 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 [2019-01-31 14:31:11,770 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:11,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:11,776 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:31:11,778 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:11,778 WARN L398 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)) [2019-01-31 14:31:11,779 WARN L399 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))) [2019-01-31 14:31:11,810 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 [2019-01-31 14:31:11,811 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 [2019-01-31 14:31:11,812 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 [2019-01-31 14:31:11,813 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 [2019-01-31 14:31:11,814 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 [2019-01-31 14:31:11,815 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 [2019-01-31 14:31:11,816 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 [2019-01-31 14:31:11,821 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 [2019-01-31 14:31:11,821 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 [2019-01-31 14:31:11,822 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 [2019-01-31 14:31:11,823 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 [2019-01-31 14:31:11,824 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 [2019-01-31 14:31:11,825 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 [2019-01-31 14:31:11,825 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-01-31 14:31:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:11,826 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:11,862 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 [2019-01-31 14:31:11,882 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:11,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:11,885 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:31:11,887 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:11,888 WARN L398 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))))) [2019-01-31 14:31:11,888 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:31:11,964 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-01-31 14:31:11,966 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 [2019-01-31 14:31:11,967 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 [2019-01-31 14:31:11,968 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 [2019-01-31 14:31:11,969 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 [2019-01-31 14:31:11,970 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 [2019-01-31 14:31:11,977 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 [2019-01-31 14:31:11,978 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 [2019-01-31 14:31:11,978 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 [2019-01-31 14:31:11,979 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 [2019-01-31 14:31:11,980 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 [2019-01-31 14:31:11,981 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 [2019-01-31 14:31:11,981 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 [2019-01-31 14:31:11,982 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 [2019-01-31 14:31:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:12,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:12,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 21 [2019-01-31 14:31:12,004 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:12,004 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2019-01-31 14:31:12,004 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:12,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2019-01-31 14:31:12,034 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:12,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-01-31 14:31:12,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-01-31 14:31:12,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2019-01-31 14:31:12,036 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 22 states. [2019-01-31 14:31:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:13,358 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-01-31 14:31:13,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-01-31 14:31:13,359 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2019-01-31 14:31:13,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-31 14:31:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-01-31 14:31:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-31 14:31:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-01-31 14:31:13,361 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 22 transitions. [2019-01-31 14:31:13,391 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:13,391 INFO L225 Difference]: With dead ends: 24 [2019-01-31 14:31:13,392 INFO L226 Difference]: Without dead ends: 16 [2019-01-31 14:31:13,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=130, Invalid=740, Unknown=0, NotChecked=0, Total=870 [2019-01-31 14:31:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-31 14:31:13,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-31 14:31:13,478 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:13,478 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2019-01-31 14:31:13,479 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2019-01-31 14:31:13,479 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2019-01-31 14:31:13,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:13,480 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-31 14:31:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-31 14:31:13,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:13,481 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:13,481 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2019-01-31 14:31:13,481 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2019-01-31 14:31:13,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:13,482 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-31 14:31:13,482 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-31 14:31:13,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:13,483 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:13,483 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:13,483 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-31 14:31:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-01-31 14:31:13,484 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2019-01-31 14:31:13,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:13,484 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-01-31 14:31:13,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-01-31 14:31:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-31 14:31:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-31 14:31:13,485 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:13,485 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1] [2019-01-31 14:31:13,485 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:13,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:13,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1662915732, now seen corresponding path program 8 times [2019-01-31 14:31:13,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:13,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:13,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:13,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:13,487 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:13,604 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 [2019-01-31 14:31:13,605 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 [2019-01-31 14:31:13,606 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 [2019-01-31 14:31:13,608 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 [2019-01-31 14:31:13,609 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 [2019-01-31 14:31:13,610 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 [2019-01-31 14:31:13,611 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 [2019-01-31 14:31:13,612 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 [2019-01-31 14:31:13,613 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 [2019-01-31 14:31:13,614 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 [2019-01-31 14:31:13,615 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 [2019-01-31 14:31:13,616 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 [2019-01-31 14:31:13,617 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 [2019-01-31 14:31:13,618 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 [2019-01-31 14:31:13,618 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-01-31 14:31:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:13,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:13,620 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:13,620 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:13,620 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:13,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:13,620 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 [2019-01-31 14:31:13,635 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:31:13,635 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:31:13,705 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-01-31 14:31:13,705 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:13,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:14,057 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 [2019-01-31 14:31:14,058 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 [2019-01-31 14:31:14,059 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 [2019-01-31 14:31:14,060 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 [2019-01-31 14:31:14,062 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 [2019-01-31 14:31:14,063 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 [2019-01-31 14:31:14,064 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 [2019-01-31 14:31:14,065 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 [2019-01-31 14:31:14,067 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 [2019-01-31 14:31:14,068 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 [2019-01-31 14:31:14,069 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 [2019-01-31 14:31:14,070 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 [2019-01-31 14:31:14,071 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 [2019-01-31 14:31:14,072 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 [2019-01-31 14:31:14,072 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-01-31 14:31:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:14,074 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:14,274 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-01-31 14:31:14,275 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 [2019-01-31 14:31:14,276 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 [2019-01-31 14:31:14,277 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 [2019-01-31 14:31:14,278 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 [2019-01-31 14:31:14,279 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 [2019-01-31 14:31:14,280 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 [2019-01-31 14:31:14,283 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 [2019-01-31 14:31:14,284 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 [2019-01-31 14:31:14,285 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 [2019-01-31 14:31:14,286 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 [2019-01-31 14:31:14,288 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 [2019-01-31 14:31:14,292 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 [2019-01-31 14:31:14,293 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 [2019-01-31 14:31:14,294 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 [2019-01-31 14:31:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:14,316 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:14,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2019-01-31 14:31:14,316 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:14,317 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-01-31 14:31:14,317 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:14,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2019-01-31 14:31:14,343 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:14,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-31 14:31:14,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-31 14:31:14,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-31 14:31:14,344 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 9 states. [2019-01-31 14:31:14,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:14,664 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-31 14:31:14,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-31 14:31:14,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-01-31 14:31:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-31 14:31:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-01-31 14:31:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-31 14:31:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-01-31 14:31:14,667 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 20 transitions. [2019-01-31 14:31:14,706 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:14,706 INFO L225 Difference]: With dead ends: 19 [2019-01-31 14:31:14,707 INFO L226 Difference]: Without dead ends: 17 [2019-01-31 14:31:14,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 12 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2019-01-31 14:31:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-31 14:31:14,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-31 14:31:14,800 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:14,800 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2019-01-31 14:31:14,800 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-01-31 14:31:14,801 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-01-31 14:31:14,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:14,802 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-01-31 14:31:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-31 14:31:14,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:14,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:14,803 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-01-31 14:31:14,803 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-01-31 14:31:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:14,806 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-01-31 14:31:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-31 14:31:14,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:14,806 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:14,807 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:14,807 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-31 14:31:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-01-31 14:31:14,808 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 15 [2019-01-31 14:31:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:14,808 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-01-31 14:31:14,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-31 14:31:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-31 14:31:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-31 14:31:14,809 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:14,809 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1] [2019-01-31 14:31:14,809 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:14,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:14,810 INFO L82 PathProgramCache]: Analyzing trace with hash -10778326, now seen corresponding path program 9 times [2019-01-31 14:31:14,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:14,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:14,811 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:14,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:14,811 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:15,149 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 [2019-01-31 14:31:15,150 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 [2019-01-31 14:31:15,151 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 [2019-01-31 14:31:15,152 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 [2019-01-31 14:31:15,153 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 [2019-01-31 14:31:15,155 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 [2019-01-31 14:31:15,156 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 [2019-01-31 14:31:15,157 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 [2019-01-31 14:31:15,158 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 [2019-01-31 14:31:15,159 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 [2019-01-31 14:31:15,161 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 [2019-01-31 14:31:15,162 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 [2019-01-31 14:31:15,163 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 [2019-01-31 14:31:15,164 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 [2019-01-31 14:31:15,165 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 [2019-01-31 14:31:15,166 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-01-31 14:31:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:15,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:15,167 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:15,167 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:15,168 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:15,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:15,168 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 [2019-01-31 14:31:15,177 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:31:15,177 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:31:15,189 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:31:15,190 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:15,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:15,384 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 [2019-01-31 14:31:15,386 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:15,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:15,392 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:31:15,395 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:15,395 WARN L398 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))) [2019-01-31 14:31:15,395 WARN L399 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))) [2019-01-31 14:31:15,446 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 [2019-01-31 14:31:15,446 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 [2019-01-31 14:31:15,446 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 [2019-01-31 14:31:15,446 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 [2019-01-31 14:31:15,446 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 [2019-01-31 14:31:15,447 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 [2019-01-31 14:31:15,447 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 [2019-01-31 14:31:15,452 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 [2019-01-31 14:31:15,454 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 [2019-01-31 14:31:15,454 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 [2019-01-31 14:31:15,455 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 [2019-01-31 14:31:15,456 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 [2019-01-31 14:31:15,457 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 [2019-01-31 14:31:15,458 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 [2019-01-31 14:31:15,460 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 [2019-01-31 14:31:15,460 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-01-31 14:31:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-01-31 14:31:15,461 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:15,566 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 [2019-01-31 14:31:15,568 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:15,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:15,582 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:31:15,812 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-01-31 14:31:15,814 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 [2019-01-31 14:31:15,815 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 [2019-01-31 14:31:15,817 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 [2019-01-31 14:31:15,818 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 [2019-01-31 14:31:15,819 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 [2019-01-31 14:31:15,821 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 [2019-01-31 14:31:15,822 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 [2019-01-31 14:31:15,823 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 [2019-01-31 14:31:15,823 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 [2019-01-31 14:31:15,823 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 [2019-01-31 14:31:15,824 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 [2019-01-31 14:31:15,824 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 [2019-01-31 14:31:15,824 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 [2019-01-31 14:31:15,824 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 [2019-01-31 14:31:15,825 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 [2019-01-31 14:31:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-01-31 14:31:15,845 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:15,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2019-01-31 14:31:15,845 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:15,846 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2019-01-31 14:31:15,846 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:15,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2019-01-31 14:31:15,871 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:15,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-01-31 14:31:15,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-01-31 14:31:15,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2019-01-31 14:31:15,873 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 23 states. [2019-01-31 14:31:17,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:17,810 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2019-01-31 14:31:17,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-01-31 14:31:17,810 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2019-01-31 14:31:17,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-31 14:31:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-01-31 14:31:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-31 14:31:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-01-31 14:31:17,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 33 transitions. [2019-01-31 14:31:17,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:17,856 INFO L225 Difference]: With dead ends: 29 [2019-01-31 14:31:17,856 INFO L226 Difference]: Without dead ends: 19 [2019-01-31 14:31:17,857 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 [2019-01-31 14:31:17,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-01-31 14:31:17,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-01-31 14:31:17,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:17,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2019-01-31 14:31:17,983 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2019-01-31 14:31:17,983 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2019-01-31 14:31:17,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:17,985 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-31 14:31:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-31 14:31:17,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:17,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:17,985 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2019-01-31 14:31:17,986 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2019-01-31 14:31:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:17,987 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-31 14:31:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-31 14:31:17,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:17,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:17,987 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:17,987 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-31 14:31:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-01-31 14:31:17,988 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2019-01-31 14:31:17,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:17,988 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-01-31 14:31:17,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-01-31 14:31:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-31 14:31:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-31 14:31:17,989 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:17,989 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1] [2019-01-31 14:31:17,990 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:17,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:17,990 INFO L82 PathProgramCache]: Analyzing trace with hash 701707477, now seen corresponding path program 10 times [2019-01-31 14:31:17,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:17,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:17,991 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:17,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:17,991 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:18,390 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 [2019-01-31 14:31:18,392 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 [2019-01-31 14:31:18,394 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 [2019-01-31 14:31:18,395 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 [2019-01-31 14:31:18,396 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 [2019-01-31 14:31:18,397 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 [2019-01-31 14:31:18,397 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 [2019-01-31 14:31:18,398 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 [2019-01-31 14:31:18,399 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 [2019-01-31 14:31:18,400 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 [2019-01-31 14:31:18,401 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 [2019-01-31 14:31:18,403 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 [2019-01-31 14:31:18,404 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 [2019-01-31 14:31:18,405 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 [2019-01-31 14:31:18,406 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 [2019-01-31 14:31:18,407 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 [2019-01-31 14:31:18,408 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 [2019-01-31 14:31:18,408 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-01-31 14:31:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:18,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:18,410 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:18,410 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:18,411 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:18,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:18,411 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 [2019-01-31 14:31:18,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:18,420 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:31:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:18,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:18,912 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 [2019-01-31 14:31:18,913 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:18,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:18,920 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:31:18,923 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:18,923 WARN L398 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)) [2019-01-31 14:31:18,923 WARN L399 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)) [2019-01-31 14:31:18,964 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 [2019-01-31 14:31:18,965 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 [2019-01-31 14:31:18,966 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 [2019-01-31 14:31:18,968 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 [2019-01-31 14:31:18,969 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 [2019-01-31 14:31:18,970 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 [2019-01-31 14:31:18,971 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 [2019-01-31 14:31:18,972 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 [2019-01-31 14:31:18,974 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 [2019-01-31 14:31:18,975 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 [2019-01-31 14:31:18,976 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 [2019-01-31 14:31:18,977 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 [2019-01-31 14:31:18,997 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 [2019-01-31 14:31:19,012 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 [2019-01-31 14:31:19,027 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 [2019-01-31 14:31:19,038 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 [2019-01-31 14:31:19,039 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 [2019-01-31 14:31:19,040 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-01-31 14:31:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:19,041 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:19,082 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 [2019-01-31 14:31:19,083 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:19,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:19,089 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:31:19,091 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:19,091 WARN L398 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))))) [2019-01-31 14:31:19,091 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:31:19,252 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-01-31 14:31:19,254 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 [2019-01-31 14:31:19,255 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 [2019-01-31 14:31:19,255 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 [2019-01-31 14:31:19,257 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 [2019-01-31 14:31:19,258 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 [2019-01-31 14:31:19,259 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 [2019-01-31 14:31:19,260 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 [2019-01-31 14:31:19,261 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 [2019-01-31 14:31:19,263 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 [2019-01-31 14:31:19,264 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 [2019-01-31 14:31:19,265 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 [2019-01-31 14:31:19,266 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 [2019-01-31 14:31:19,267 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 [2019-01-31 14:31:19,269 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 [2019-01-31 14:31:19,270 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 [2019-01-31 14:31:19,271 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 [2019-01-31 14:31:19,272 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 [2019-01-31 14:31:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:19,292 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:19,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2019-01-31 14:31:19,292 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:19,293 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2019-01-31 14:31:19,293 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:19,293 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2019-01-31 14:31:19,329 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:19,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-01-31 14:31:19,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-01-31 14:31:19,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2019-01-31 14:31:19,331 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 28 states. [2019-01-31 14:31:21,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:21,083 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-01-31 14:31:21,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-31 14:31:21,083 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2019-01-31 14:31:21,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-01-31 14:31:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-01-31 14:31:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-01-31 14:31:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-01-31 14:31:21,085 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 26 transitions. [2019-01-31 14:31:21,117 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:21,117 INFO L225 Difference]: With dead ends: 30 [2019-01-31 14:31:21,118 INFO L226 Difference]: Without dead ends: 20 [2019-01-31 14:31:21,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=1238, Unknown=0, NotChecked=0, Total=1406 [2019-01-31 14:31:21,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-31 14:31:21,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-31 14:31:21,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:21,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 20 states. [2019-01-31 14:31:21,282 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2019-01-31 14:31:21,282 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2019-01-31 14:31:21,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:21,283 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-01-31 14:31:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-31 14:31:21,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:21,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:21,284 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2019-01-31 14:31:21,284 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2019-01-31 14:31:21,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:21,285 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-01-31 14:31:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-31 14:31:21,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:21,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:21,285 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:21,286 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:21,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-31 14:31:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-01-31 14:31:21,286 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 18 [2019-01-31 14:31:21,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:21,287 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-01-31 14:31:21,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-01-31 14:31:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-31 14:31:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-31 14:31:21,287 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:21,287 INFO L402 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1, 1] [2019-01-31 14:31:21,288 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:21,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:21,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1547184052, now seen corresponding path program 11 times [2019-01-31 14:31:21,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:21,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:21,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:21,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:21,289 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:21,668 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 [2019-01-31 14:31:21,670 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 [2019-01-31 14:31:21,671 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 [2019-01-31 14:31:21,672 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 [2019-01-31 14:31:21,673 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 [2019-01-31 14:31:21,674 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 [2019-01-31 14:31:21,675 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 [2019-01-31 14:31:21,676 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 [2019-01-31 14:31:21,677 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 [2019-01-31 14:31:21,678 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 [2019-01-31 14:31:21,679 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 [2019-01-31 14:31:21,680 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 [2019-01-31 14:31:21,681 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 [2019-01-31 14:31:21,682 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 [2019-01-31 14:31:21,684 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 [2019-01-31 14:31:21,685 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 [2019-01-31 14:31:21,686 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 [2019-01-31 14:31:21,686 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 [2019-01-31 14:31:21,686 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-01-31 14:31:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:21,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:21,687 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:21,687 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:21,688 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:21,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:21,688 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 [2019-01-31 14:31:21,696 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:31:21,697 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:31:21,722 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-01-31 14:31:21,722 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:21,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:21,847 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 [2019-01-31 14:31:21,848 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 [2019-01-31 14:31:21,849 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 [2019-01-31 14:31:21,850 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 [2019-01-31 14:31:21,855 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 [2019-01-31 14:31:21,857 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 [2019-01-31 14:31:21,858 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 [2019-01-31 14:31:21,858 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 [2019-01-31 14:31:21,859 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 [2019-01-31 14:31:21,859 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 [2019-01-31 14:31:21,860 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 [2019-01-31 14:31:21,861 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 [2019-01-31 14:31:21,862 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 [2019-01-31 14:31:21,863 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 [2019-01-31 14:31:21,864 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 [2019-01-31 14:31:21,865 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 [2019-01-31 14:31:21,866 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 [2019-01-31 14:31:21,867 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 [2019-01-31 14:31:21,867 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-01-31 14:31:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:21,868 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:22,042 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-01-31 14:31:22,057 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 [2019-01-31 14:31:22,058 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 [2019-01-31 14:31:22,059 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 [2019-01-31 14:31:22,059 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 [2019-01-31 14:31:22,060 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 [2019-01-31 14:31:22,061 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 [2019-01-31 14:31:22,062 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 [2019-01-31 14:31:22,063 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 [2019-01-31 14:31:22,064 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 [2019-01-31 14:31:22,065 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 [2019-01-31 14:31:22,066 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 [2019-01-31 14:31:22,067 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 [2019-01-31 14:31:22,068 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 [2019-01-31 14:31:22,069 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 [2019-01-31 14:31:22,070 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 [2019-01-31 14:31:22,071 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 [2019-01-31 14:31:22,072 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 [2019-01-31 14:31:22,074 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 [2019-01-31 14:31:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:22,093 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:22,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 10 [2019-01-31 14:31:22,094 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:22,094 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-01-31 14:31:22,094 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:22,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2019-01-31 14:31:22,116 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:22,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-31 14:31:22,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-31 14:31:22,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-01-31 14:31:22,117 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 11 states. [2019-01-31 14:31:22,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:22,759 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-31 14:31:22,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-31 14:31:22,760 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-01-31 14:31:22,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-31 14:31:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-01-31 14:31:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-31 14:31:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-01-31 14:31:22,761 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 24 transitions. [2019-01-31 14:31:22,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:22,790 INFO L225 Difference]: With dead ends: 23 [2019-01-31 14:31:22,790 INFO L226 Difference]: Without dead ends: 21 [2019-01-31 14:31:22,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 29 SyntacticMatches, 16 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2019-01-31 14:31:22,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-31 14:31:22,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-31 14:31:22,943 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:22,943 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2019-01-31 14:31:22,943 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2019-01-31 14:31:22,943 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2019-01-31 14:31:22,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:22,944 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-31 14:31:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-31 14:31:22,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:22,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:22,945 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2019-01-31 14:31:22,945 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2019-01-31 14:31:22,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:22,946 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-31 14:31:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-31 14:31:22,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:22,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:22,947 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:22,947 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-31 14:31:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-31 14:31:22,948 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2019-01-31 14:31:22,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:22,948 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-31 14:31:22,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-31 14:31:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-31 14:31:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-31 14:31:22,948 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:22,948 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1] [2019-01-31 14:31:22,949 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:22,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:22,949 INFO L82 PathProgramCache]: Analyzing trace with hash -718063542, now seen corresponding path program 12 times [2019-01-31 14:31:22,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:22,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:22,950 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:22,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:22,950 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:23,364 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 [2019-01-31 14:31:23,366 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 [2019-01-31 14:31:23,367 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 [2019-01-31 14:31:23,368 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 [2019-01-31 14:31:23,369 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 [2019-01-31 14:31:23,370 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 [2019-01-31 14:31:23,371 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 [2019-01-31 14:31:23,372 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 [2019-01-31 14:31:23,373 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 [2019-01-31 14:31:23,374 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 [2019-01-31 14:31:23,375 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 [2019-01-31 14:31:23,377 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 [2019-01-31 14:31:23,378 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 [2019-01-31 14:31:23,379 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 [2019-01-31 14:31:23,380 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 [2019-01-31 14:31:23,381 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 [2019-01-31 14:31:23,382 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 [2019-01-31 14:31:23,383 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 [2019-01-31 14:31:23,384 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 [2019-01-31 14:31:23,385 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-01-31 14:31:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:23,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:23,386 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:23,386 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:23,387 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:23,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:23,387 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 [2019-01-31 14:31:23,394 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:31:23,395 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:31:23,408 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:31:23,408 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:23,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:23,693 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 [2019-01-31 14:31:23,694 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:23,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:23,700 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:31:23,703 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:23,703 WARN L398 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))) [2019-01-31 14:31:23,704 WARN L399 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))) [2019-01-31 14:31:23,748 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 [2019-01-31 14:31:23,749 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 [2019-01-31 14:31:23,749 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 [2019-01-31 14:31:23,749 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 [2019-01-31 14:31:23,749 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 [2019-01-31 14:31:23,749 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 [2019-01-31 14:31:23,750 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 [2019-01-31 14:31:23,750 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 [2019-01-31 14:31:23,750 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 [2019-01-31 14:31:23,750 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 [2019-01-31 14:31:23,751 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 [2019-01-31 14:31:23,752 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 [2019-01-31 14:31:23,753 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 [2019-01-31 14:31:23,754 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 [2019-01-31 14:31:23,755 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 [2019-01-31 14:31:23,756 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 [2019-01-31 14:31:23,757 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 [2019-01-31 14:31:23,758 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 [2019-01-31 14:31:23,760 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 [2019-01-31 14:31:23,760 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-01-31 14:31:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-01-31 14:31:23,762 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:23,896 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 [2019-01-31 14:31:23,898 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:23,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:23,911 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:31:23,913 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:23,914 WARN L398 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)) [2019-01-31 14:31:23,914 WARN L399 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)) [2019-01-31 14:31:24,313 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-01-31 14:31:24,315 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 [2019-01-31 14:31:24,316 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 [2019-01-31 14:31:24,318 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 [2019-01-31 14:31:24,329 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 [2019-01-31 14:31:24,331 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 [2019-01-31 14:31:24,331 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 [2019-01-31 14:31:24,332 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 [2019-01-31 14:31:24,333 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 [2019-01-31 14:31:24,334 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 [2019-01-31 14:31:24,334 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 [2019-01-31 14:31:24,335 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 [2019-01-31 14:31:24,335 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 [2019-01-31 14:31:24,335 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 [2019-01-31 14:31:24,335 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 [2019-01-31 14:31:24,335 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 [2019-01-31 14:31:24,336 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 [2019-01-31 14:31:24,336 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 [2019-01-31 14:31:24,336 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 [2019-01-31 14:31:24,336 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 [2019-01-31 14:31:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-01-31 14:31:24,355 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:24,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 11] total 38 [2019-01-31 14:31:24,355 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:24,356 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2019-01-31 14:31:24,356 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:24,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2019-01-31 14:31:24,388 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:24,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-01-31 14:31:24,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-01-31 14:31:24,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1188, Unknown=0, NotChecked=0, Total=1406 [2019-01-31 14:31:24,389 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 29 states. [2019-01-31 14:31:27,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:27,034 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2019-01-31 14:31:27,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-01-31 14:31:27,034 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2019-01-31 14:31:27,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-31 14:31:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2019-01-31 14:31:27,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-31 14:31:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2019-01-31 14:31:27,038 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 39 transitions. [2019-01-31 14:31:27,093 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:27,094 INFO L225 Difference]: With dead ends: 35 [2019-01-31 14:31:27,094 INFO L226 Difference]: Without dead ends: 23 [2019-01-31 14:31:27,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=403, Invalid=2147, Unknown=0, NotChecked=0, Total=2550 [2019-01-31 14:31:27,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-01-31 14:31:27,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-01-31 14:31:27,273 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:27,274 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2019-01-31 14:31:27,274 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2019-01-31 14:31:27,274 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2019-01-31 14:31:27,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:27,275 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-31 14:31:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-31 14:31:27,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:27,276 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:27,276 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2019-01-31 14:31:27,276 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2019-01-31 14:31:27,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:27,277 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-31 14:31:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-31 14:31:27,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:27,278 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:27,278 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:27,278 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-31 14:31:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-01-31 14:31:27,279 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2019-01-31 14:31:27,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:27,279 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-01-31 14:31:27,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-01-31 14:31:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-31 14:31:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-31 14:31:27,280 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:27,280 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1] [2019-01-31 14:31:27,280 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:27,280 INFO L82 PathProgramCache]: Analyzing trace with hash -317821643, now seen corresponding path program 13 times [2019-01-31 14:31:27,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:27,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:27,281 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:27,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:27,281 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:27,955 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 [2019-01-31 14:31:27,957 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 [2019-01-31 14:31:27,958 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 [2019-01-31 14:31:27,959 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 [2019-01-31 14:31:27,960 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 [2019-01-31 14:31:27,961 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 [2019-01-31 14:31:27,962 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 [2019-01-31 14:31:27,963 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 [2019-01-31 14:31:27,964 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 [2019-01-31 14:31:27,966 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 [2019-01-31 14:31:27,967 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 [2019-01-31 14:31:27,968 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 [2019-01-31 14:31:27,969 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 [2019-01-31 14:31:27,970 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 [2019-01-31 14:31:27,971 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 [2019-01-31 14:31:27,972 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 [2019-01-31 14:31:27,973 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 [2019-01-31 14:31:27,974 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 [2019-01-31 14:31:27,976 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 [2019-01-31 14:31:27,977 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 [2019-01-31 14:31:27,978 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 [2019-01-31 14:31:27,978 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-01-31 14:31:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:27,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:27,980 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:27,980 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:27,981 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:27,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:27,981 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 [2019-01-31 14:31:27,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:27,990 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:31:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:28,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:28,472 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 [2019-01-31 14:31:28,473 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:28,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:28,480 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:31:28,481 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:28,481 WARN L398 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)) [2019-01-31 14:31:28,482 WARN L399 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))) [2019-01-31 14:31:28,540 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 [2019-01-31 14:31:28,541 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 [2019-01-31 14:31:28,541 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 [2019-01-31 14:31:28,542 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 [2019-01-31 14:31:28,543 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 [2019-01-31 14:31:28,545 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 [2019-01-31 14:31:28,546 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 [2019-01-31 14:31:28,547 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 [2019-01-31 14:31:28,548 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 [2019-01-31 14:31:28,549 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 [2019-01-31 14:31:28,550 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 [2019-01-31 14:31:28,551 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 [2019-01-31 14:31:28,552 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 [2019-01-31 14:31:28,568 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 [2019-01-31 14:31:28,569 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 [2019-01-31 14:31:28,569 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 [2019-01-31 14:31:28,570 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 [2019-01-31 14:31:28,570 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 [2019-01-31 14:31:28,571 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 [2019-01-31 14:31:28,572 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 [2019-01-31 14:31:28,572 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 [2019-01-31 14:31:28,573 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-01-31 14:31:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:28,574 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:28,665 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 [2019-01-31 14:31:28,667 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:28,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:28,671 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:31:28,674 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:28,674 WARN L398 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))))) [2019-01-31 14:31:28,674 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:31:28,799 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-01-31 14:31:28,800 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 [2019-01-31 14:31:28,801 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 [2019-01-31 14:31:28,802 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 [2019-01-31 14:31:28,803 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 [2019-01-31 14:31:28,804 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 [2019-01-31 14:31:28,805 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 [2019-01-31 14:31:28,806 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 [2019-01-31 14:31:28,807 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 [2019-01-31 14:31:28,809 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 [2019-01-31 14:31:28,810 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 [2019-01-31 14:31:28,811 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 [2019-01-31 14:31:28,812 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 [2019-01-31 14:31:28,813 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 [2019-01-31 14:31:28,814 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 [2019-01-31 14:31:28,815 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 [2019-01-31 14:31:28,816 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 [2019-01-31 14:31:28,817 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 [2019-01-31 14:31:28,818 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 [2019-01-31 14:31:28,819 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 [2019-01-31 14:31:28,820 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 [2019-01-31 14:31:28,821 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 [2019-01-31 14:31:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:28,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:28,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 33 [2019-01-31 14:31:28,841 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:28,841 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2019-01-31 14:31:28,841 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:28,841 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states. [2019-01-31 14:31:28,878 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:28,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-01-31 14:31:28,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-01-31 14:31:28,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2019-01-31 14:31:28,880 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 34 states. [2019-01-31 14:31:31,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:31,268 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2019-01-31 14:31:31,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-01-31 14:31:31,268 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2019-01-31 14:31:31,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-31 14:31:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-01-31 14:31:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-31 14:31:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-01-31 14:31:31,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 30 transitions. [2019-01-31 14:31:31,309 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:31,310 INFO L225 Difference]: With dead ends: 36 [2019-01-31 14:31:31,311 INFO L226 Difference]: Without dead ends: 24 [2019-01-31 14:31:31,312 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 [2019-01-31 14:31:31,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-31 14:31:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-01-31 14:31:31,571 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:31,571 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 24 states. [2019-01-31 14:31:31,572 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2019-01-31 14:31:31,572 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2019-01-31 14:31:31,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:31,572 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-01-31 14:31:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-01-31 14:31:31,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:31,573 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:31,573 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2019-01-31 14:31:31,573 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2019-01-31 14:31:31,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:31,573 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-01-31 14:31:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-01-31 14:31:31,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:31,574 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:31,574 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:31,574 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:31,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-01-31 14:31:31,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-01-31 14:31:31,575 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2019-01-31 14:31:31,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:31,575 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-01-31 14:31:31,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-01-31 14:31:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-01-31 14:31:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-31 14:31:31,576 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:31,576 INFO L402 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1, 1] [2019-01-31 14:31:31,576 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:31,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1283882284, now seen corresponding path program 14 times [2019-01-31 14:31:31,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:31,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:31,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:31,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:31,578 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:32,142 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 [2019-01-31 14:31:32,143 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 [2019-01-31 14:31:32,144 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 [2019-01-31 14:31:32,145 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 [2019-01-31 14:31:32,146 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 [2019-01-31 14:31:32,147 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 [2019-01-31 14:31:32,148 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 [2019-01-31 14:31:32,149 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 [2019-01-31 14:31:32,150 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 [2019-01-31 14:31:32,151 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 [2019-01-31 14:31:32,152 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 [2019-01-31 14:31:32,153 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 [2019-01-31 14:31:32,154 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 [2019-01-31 14:31:32,155 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 [2019-01-31 14:31:32,156 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 [2019-01-31 14:31:32,157 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 [2019-01-31 14:31:32,158 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 [2019-01-31 14:31:32,159 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 [2019-01-31 14:31:32,160 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 [2019-01-31 14:31:32,161 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 [2019-01-31 14:31:32,162 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 [2019-01-31 14:31:32,162 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 [2019-01-31 14:31:32,162 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-01-31 14:31:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:32,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:32,164 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:32,164 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:32,165 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:32,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:32,165 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 [2019-01-31 14:31:32,176 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:31:32,176 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:31:32,207 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-01-31 14:31:32,208 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:32,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:32,336 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 [2019-01-31 14:31:32,337 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 [2019-01-31 14:31:32,338 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 [2019-01-31 14:31:32,339 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 [2019-01-31 14:31:32,340 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 [2019-01-31 14:31:32,341 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 [2019-01-31 14:31:32,342 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 [2019-01-31 14:31:32,343 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 [2019-01-31 14:31:32,344 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 [2019-01-31 14:31:32,345 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 [2019-01-31 14:31:32,346 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 [2019-01-31 14:31:32,347 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 [2019-01-31 14:31:32,348 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 [2019-01-31 14:31:32,349 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 [2019-01-31 14:31:32,350 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 [2019-01-31 14:31:32,351 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 [2019-01-31 14:31:32,352 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 [2019-01-31 14:31:32,353 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 [2019-01-31 14:31:32,354 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 [2019-01-31 14:31:32,355 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 [2019-01-31 14:31:32,356 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 [2019-01-31 14:31:32,356 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 [2019-01-31 14:31:32,356 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-01-31 14:31:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:32,358 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:32,631 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-01-31 14:31:32,632 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 [2019-01-31 14:31:32,632 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 [2019-01-31 14:31:32,633 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 [2019-01-31 14:31:32,633 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 [2019-01-31 14:31:32,634 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 [2019-01-31 14:31:32,635 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 [2019-01-31 14:31:32,636 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 [2019-01-31 14:31:32,637 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 [2019-01-31 14:31:32,638 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 [2019-01-31 14:31:32,639 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 [2019-01-31 14:31:32,640 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 [2019-01-31 14:31:32,641 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 [2019-01-31 14:31:32,642 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 [2019-01-31 14:31:32,643 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 [2019-01-31 14:31:32,644 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 [2019-01-31 14:31:32,645 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 [2019-01-31 14:31:32,645 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 [2019-01-31 14:31:32,646 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 [2019-01-31 14:31:32,647 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 [2019-01-31 14:31:32,648 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 [2019-01-31 14:31:32,649 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 [2019-01-31 14:31:32,650 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 [2019-01-31 14:31:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:32,672 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:32,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 12 [2019-01-31 14:31:32,672 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:32,672 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2019-01-31 14:31:32,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:32,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2019-01-31 14:31:32,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:32,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-31 14:31:32,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-31 14:31:32,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-31 14:31:32,701 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 13 states. [2019-01-31 14:31:33,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:33,177 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-01-31 14:31:33,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-01-31 14:31:33,177 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2019-01-31 14:31:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-31 14:31:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2019-01-31 14:31:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-31 14:31:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2019-01-31 14:31:33,178 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 28 transitions. [2019-01-31 14:31:33,204 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:33,205 INFO L225 Difference]: With dead ends: 27 [2019-01-31 14:31:33,205 INFO L226 Difference]: Without dead ends: 25 [2019-01-31 14:31:33,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 20 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2019-01-31 14:31:33,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-01-31 14:31:33,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-01-31 14:31:33,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:33,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2019-01-31 14:31:33,503 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2019-01-31 14:31:33,503 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2019-01-31 14:31:33,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:33,504 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-31 14:31:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-01-31 14:31:33,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:33,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:33,505 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2019-01-31 14:31:33,505 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2019-01-31 14:31:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:33,506 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-31 14:31:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-01-31 14:31:33,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:33,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:33,507 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:33,507 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-31 14:31:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-01-31 14:31:33,507 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 23 [2019-01-31 14:31:33,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:33,508 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-01-31 14:31:33,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-31 14:31:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-01-31 14:31:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-31 14:31:33,508 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:33,509 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1] [2019-01-31 14:31:33,509 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:33,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1145646954, now seen corresponding path program 15 times [2019-01-31 14:31:33,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:33,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:33,510 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:33,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:33,510 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:34,024 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 [2019-01-31 14:31:34,025 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 [2019-01-31 14:31:34,027 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 [2019-01-31 14:31:34,028 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 [2019-01-31 14:31:34,029 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 [2019-01-31 14:31:34,030 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 [2019-01-31 14:31:34,031 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 [2019-01-31 14:31:34,032 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 [2019-01-31 14:31:34,033 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 [2019-01-31 14:31:34,034 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 [2019-01-31 14:31:34,035 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 [2019-01-31 14:31:34,036 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 [2019-01-31 14:31:34,037 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 [2019-01-31 14:31:34,038 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 [2019-01-31 14:31:34,040 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 [2019-01-31 14:31:34,041 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 [2019-01-31 14:31:34,042 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 [2019-01-31 14:31:34,043 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 [2019-01-31 14:31:34,044 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 [2019-01-31 14:31:34,045 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 [2019-01-31 14:31:34,046 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 [2019-01-31 14:31:34,047 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 [2019-01-31 14:31:34,048 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 [2019-01-31 14:31:34,048 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-01-31 14:31:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:34,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:34,051 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:34,051 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:34,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:34,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:34,051 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 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 [2019-01-31 14:31:34,061 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:31:34,061 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:31:34,076 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:31:34,077 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:34,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:34,521 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 [2019-01-31 14:31:34,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:34,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:34,529 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:31:34,532 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:34,532 WARN L398 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)))) [2019-01-31 14:31:34,532 WARN L399 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))) [2019-01-31 14:31:34,581 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 [2019-01-31 14:31:34,581 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 [2019-01-31 14:31:34,581 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 [2019-01-31 14:31:34,582 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 [2019-01-31 14:31:34,582 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 [2019-01-31 14:31:34,582 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 [2019-01-31 14:31:34,582 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 [2019-01-31 14:31:34,583 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 [2019-01-31 14:31:34,583 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 [2019-01-31 14:31:34,583 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 [2019-01-31 14:31:34,583 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 [2019-01-31 14:31:34,584 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 [2019-01-31 14:31:34,585 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 [2019-01-31 14:31:34,585 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 [2019-01-31 14:31:34,586 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 [2019-01-31 14:31:34,586 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 [2019-01-31 14:31:34,588 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 [2019-01-31 14:31:34,589 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 [2019-01-31 14:31:34,590 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 [2019-01-31 14:31:34,591 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 [2019-01-31 14:31:34,592 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 [2019-01-31 14:31:34,593 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 [2019-01-31 14:31:34,594 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 [2019-01-31 14:31:34,595 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-01-31 14:31:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-01-31 14:31:34,596 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:34,680 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 [2019-01-31 14:31:34,682 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:34,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:34,695 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:31:34,697 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:34,698 WARN L398 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)) [2019-01-31 14:31:34,698 WARN L399 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)) [2019-01-31 14:31:35,175 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-01-31 14:31:35,177 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 [2019-01-31 14:31:35,178 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 [2019-01-31 14:31:35,179 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 [2019-01-31 14:31:35,180 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 [2019-01-31 14:31:35,182 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 [2019-01-31 14:31:35,183 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 [2019-01-31 14:31:35,204 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 [2019-01-31 14:31:35,205 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 [2019-01-31 14:31:35,206 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 [2019-01-31 14:31:35,206 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 [2019-01-31 14:31:35,207 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 [2019-01-31 14:31:35,208 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 [2019-01-31 14:31:35,208 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 [2019-01-31 14:31:35,208 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 [2019-01-31 14:31:35,208 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 [2019-01-31 14:31:35,209 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 [2019-01-31 14:31:35,209 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 [2019-01-31 14:31:35,209 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 [2019-01-31 14:31:35,209 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 [2019-01-31 14:31:35,210 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 [2019-01-31 14:31:35,210 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 [2019-01-31 14:31:35,210 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 [2019-01-31 14:31:35,210 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 [2019-01-31 14:31:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-01-31 14:31:35,231 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:35,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 46 [2019-01-31 14:31:35,231 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:35,231 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2019-01-31 14:31:35,231 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:35,232 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2019-01-31 14:31:35,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:35,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-01-31 14:31:35,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-01-31 14:31:35,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1760, Unknown=0, NotChecked=0, Total=2070 [2019-01-31 14:31:35,275 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 35 states. [2019-01-31 14:31:39,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:39,524 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2019-01-31 14:31:39,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-01-31 14:31:39,525 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2019-01-31 14:31:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:39,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-31 14:31:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2019-01-31 14:31:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-31 14:31:39,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2019-01-31 14:31:39,527 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 38 states and 45 transitions. [2019-01-31 14:31:39,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:39,585 INFO L225 Difference]: With dead ends: 41 [2019-01-31 14:31:39,585 INFO L226 Difference]: Without dead ends: 27 [2019-01-31 14:31:39,587 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 [2019-01-31 14:31:39,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-31 14:31:39,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-31 14:31:39,848 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:39,848 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2019-01-31 14:31:39,848 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2019-01-31 14:31:39,848 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2019-01-31 14:31:39,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:39,849 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-01-31 14:31:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-01-31 14:31:39,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:39,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:39,850 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2019-01-31 14:31:39,850 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2019-01-31 14:31:39,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:39,851 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-01-31 14:31:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-01-31 14:31:39,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:39,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:39,851 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:39,851 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-31 14:31:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-01-31 14:31:39,852 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2019-01-31 14:31:39,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:39,852 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-01-31 14:31:39,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-01-31 14:31:39,852 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-01-31 14:31:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-31 14:31:39,853 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:39,853 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 1, 1, 1, 1] [2019-01-31 14:31:39,853 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:39,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:39,853 INFO L82 PathProgramCache]: Analyzing trace with hash 430349717, now seen corresponding path program 16 times [2019-01-31 14:31:39,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:39,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:39,854 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:39,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:39,854 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:40,431 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 [2019-01-31 14:31:40,432 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 [2019-01-31 14:31:40,433 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 [2019-01-31 14:31:40,434 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 [2019-01-31 14:31:40,435 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 [2019-01-31 14:31:40,436 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 [2019-01-31 14:31:40,437 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 [2019-01-31 14:31:40,438 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 [2019-01-31 14:31:40,439 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 [2019-01-31 14:31:40,440 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 [2019-01-31 14:31:40,441 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 [2019-01-31 14:31:40,443 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 [2019-01-31 14:31:40,444 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 [2019-01-31 14:31:40,445 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 [2019-01-31 14:31:40,446 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 [2019-01-31 14:31:40,447 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 [2019-01-31 14:31:40,448 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 [2019-01-31 14:31:40,449 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 [2019-01-31 14:31:40,450 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 [2019-01-31 14:31:40,451 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 [2019-01-31 14:31:40,452 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 [2019-01-31 14:31:40,453 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 [2019-01-31 14:31:40,454 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 [2019-01-31 14:31:40,455 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 [2019-01-31 14:31:40,456 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 [2019-01-31 14:31:40,457 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-01-31 14:31:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:40,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:40,459 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:40,459 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:40,459 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:40,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:40,459 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 [2019-01-31 14:31:40,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:40,468 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:31:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:40,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:41,134 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 [2019-01-31 14:31:41,136 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:41,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:41,142 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:31:41,144 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:41,145 WARN L398 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)) [2019-01-31 14:31:41,145 WARN L399 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)) [2019-01-31 14:31:41,192 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 [2019-01-31 14:31:41,193 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 [2019-01-31 14:31:41,194 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 [2019-01-31 14:31:41,195 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 [2019-01-31 14:31:41,196 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 [2019-01-31 14:31:41,197 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 [2019-01-31 14:31:41,198 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 [2019-01-31 14:31:41,199 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 [2019-01-31 14:31:41,200 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 [2019-01-31 14:31:41,201 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 [2019-01-31 14:31:41,202 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 [2019-01-31 14:31:41,203 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 [2019-01-31 14:31:41,204 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 [2019-01-31 14:31:41,205 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 [2019-01-31 14:31:41,206 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 [2019-01-31 14:31:41,207 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 [2019-01-31 14:31:41,208 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 [2019-01-31 14:31:41,209 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 [2019-01-31 14:31:41,210 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 [2019-01-31 14:31:41,211 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 [2019-01-31 14:31:41,211 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 [2019-01-31 14:31:41,212 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 [2019-01-31 14:31:41,213 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 [2019-01-31 14:31:41,214 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 [2019-01-31 14:31:41,215 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 [2019-01-31 14:31:41,216 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-01-31 14:31:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:41,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:41,247 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 [2019-01-31 14:31:41,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:41,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:41,253 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:31:41,255 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:41,255 WARN L398 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))))) [2019-01-31 14:31:41,256 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:31:41,411 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-01-31 14:31:41,412 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 [2019-01-31 14:31:41,413 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 [2019-01-31 14:31:41,414 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 [2019-01-31 14:31:41,415 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 [2019-01-31 14:31:41,416 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 [2019-01-31 14:31:41,417 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 [2019-01-31 14:31:41,418 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 [2019-01-31 14:31:41,419 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 [2019-01-31 14:31:41,421 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 [2019-01-31 14:31:41,422 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 [2019-01-31 14:31:41,423 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 [2019-01-31 14:31:41,424 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 [2019-01-31 14:31:41,425 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 [2019-01-31 14:31:41,426 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 [2019-01-31 14:31:41,427 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 [2019-01-31 14:31:41,428 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 [2019-01-31 14:31:41,429 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 [2019-01-31 14:31:41,430 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 [2019-01-31 14:31:41,431 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 [2019-01-31 14:31:41,432 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 [2019-01-31 14:31:41,433 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 [2019-01-31 14:31:41,434 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 [2019-01-31 14:31:41,435 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 [2019-01-31 14:31:41,436 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 [2019-01-31 14:31:41,437 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 [2019-01-31 14:31:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:41,458 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:41,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 39 [2019-01-31 14:31:41,458 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:41,458 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2019-01-31 14:31:41,458 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:41,459 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 40 states. [2019-01-31 14:31:41,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:41,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-01-31 14:31:41,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-01-31 14:31:41,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1445, Unknown=0, NotChecked=0, Total=1560 [2019-01-31 14:31:41,502 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 40 states. [2019-01-31 14:31:44,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:44,727 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-01-31 14:31:44,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-01-31 14:31:44,727 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2019-01-31 14:31:44,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-31 14:31:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-01-31 14:31:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-31 14:31:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-01-31 14:31:44,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 34 transitions. [2019-01-31 14:31:44,767 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:44,768 INFO L225 Difference]: With dead ends: 42 [2019-01-31 14:31:44,768 INFO L226 Difference]: Without dead ends: 28 [2019-01-31 14:31:44,770 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 [2019-01-31 14:31:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-01-31 14:31:45,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-01-31 14:31:45,039 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:45,039 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2019-01-31 14:31:45,039 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2019-01-31 14:31:45,039 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2019-01-31 14:31:45,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:45,040 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-01-31 14:31:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-01-31 14:31:45,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:45,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:45,041 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2019-01-31 14:31:45,041 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2019-01-31 14:31:45,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:45,042 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-01-31 14:31:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-01-31 14:31:45,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:45,042 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:45,042 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:45,042 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-01-31 14:31:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-01-31 14:31:45,043 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 26 [2019-01-31 14:31:45,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:45,043 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-01-31 14:31:45,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-01-31 14:31:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-01-31 14:31:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-31 14:31:45,044 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:45,044 INFO L402 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1, 1] [2019-01-31 14:31:45,044 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:45,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:45,045 INFO L82 PathProgramCache]: Analyzing trace with hash -568862196, now seen corresponding path program 17 times [2019-01-31 14:31:45,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:45,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:45,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:45,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:45,046 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:45,292 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 [2019-01-31 14:31:45,294 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 [2019-01-31 14:31:45,295 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 [2019-01-31 14:31:45,295 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 [2019-01-31 14:31:45,296 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 [2019-01-31 14:31:45,297 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 [2019-01-31 14:31:45,298 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 [2019-01-31 14:31:45,299 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 [2019-01-31 14:31:45,300 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 [2019-01-31 14:31:45,301 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 [2019-01-31 14:31:45,302 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 [2019-01-31 14:31:45,303 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 [2019-01-31 14:31:45,304 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 [2019-01-31 14:31:45,305 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 [2019-01-31 14:31:45,306 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 [2019-01-31 14:31:45,307 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 [2019-01-31 14:31:45,326 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 [2019-01-31 14:31:45,339 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 [2019-01-31 14:31:45,352 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 [2019-01-31 14:31:45,361 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 [2019-01-31 14:31:45,375 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 [2019-01-31 14:31:45,375 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 [2019-01-31 14:31:45,376 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 [2019-01-31 14:31:45,377 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 [2019-01-31 14:31:45,377 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 [2019-01-31 14:31:45,378 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 [2019-01-31 14:31:45,378 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-01-31 14:31:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:45,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:45,379 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:45,379 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:45,380 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:45,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:45,380 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 [2019-01-31 14:31:45,390 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:31:45,390 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:31:45,430 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2019-01-31 14:31:45,430 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:45,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:45,747 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 [2019-01-31 14:31:45,765 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 [2019-01-31 14:31:45,774 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 [2019-01-31 14:31:45,781 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 [2019-01-31 14:31:45,782 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 [2019-01-31 14:31:45,783 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 [2019-01-31 14:31:45,783 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 [2019-01-31 14:31:45,784 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 [2019-01-31 14:31:45,784 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 [2019-01-31 14:31:45,785 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 [2019-01-31 14:31:45,786 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 [2019-01-31 14:31:45,787 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 [2019-01-31 14:31:45,788 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 [2019-01-31 14:31:45,789 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 [2019-01-31 14:31:45,790 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 [2019-01-31 14:31:45,791 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 [2019-01-31 14:31:45,792 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 [2019-01-31 14:31:45,793 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 [2019-01-31 14:31:45,794 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 [2019-01-31 14:31:45,795 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 [2019-01-31 14:31:45,796 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 [2019-01-31 14:31:45,796 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 [2019-01-31 14:31:45,797 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 [2019-01-31 14:31:45,798 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 [2019-01-31 14:31:45,799 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 [2019-01-31 14:31:45,800 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 [2019-01-31 14:31:45,800 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-01-31 14:31:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:45,802 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:46,190 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-01-31 14:31:46,191 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 [2019-01-31 14:31:46,192 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 [2019-01-31 14:31:46,192 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 [2019-01-31 14:31:46,193 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 [2019-01-31 14:31:46,193 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 [2019-01-31 14:31:46,194 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 [2019-01-31 14:31:46,195 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 [2019-01-31 14:31:46,195 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 [2019-01-31 14:31:46,196 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 [2019-01-31 14:31:46,197 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 [2019-01-31 14:31:46,198 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 [2019-01-31 14:31:46,199 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 [2019-01-31 14:31:46,200 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 [2019-01-31 14:31:46,201 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 [2019-01-31 14:31:46,202 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 [2019-01-31 14:31:46,203 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 [2019-01-31 14:31:46,204 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 [2019-01-31 14:31:46,205 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 [2019-01-31 14:31:46,206 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 [2019-01-31 14:31:46,207 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 [2019-01-31 14:31:46,208 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 [2019-01-31 14:31:46,209 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 [2019-01-31 14:31:46,210 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 [2019-01-31 14:31:46,211 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 [2019-01-31 14:31:46,212 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 [2019-01-31 14:31:46,212 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 [2019-01-31 14:31:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:46,234 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:46,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 14 [2019-01-31 14:31:46,234 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:46,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2019-01-31 14:31:46,234 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:46,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2019-01-31 14:31:46,266 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:46,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-31 14:31:46,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-31 14:31:46,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2019-01-31 14:31:46,267 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 15 states. [2019-01-31 14:31:46,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:46,936 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-31 14:31:46,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-01-31 14:31:46,936 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2019-01-31 14:31:46,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-31 14:31:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-01-31 14:31:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-31 14:31:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-01-31 14:31:46,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 32 transitions. [2019-01-31 14:31:47,259 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:47,259 INFO L225 Difference]: With dead ends: 31 [2019-01-31 14:31:47,259 INFO L226 Difference]: Without dead ends: 29 [2019-01-31 14:31:47,260 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 [2019-01-31 14:31:47,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-01-31 14:31:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-01-31 14:31:47,574 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:47,574 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2019-01-31 14:31:47,574 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2019-01-31 14:31:47,575 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2019-01-31 14:31:47,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:47,576 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-01-31 14:31:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-31 14:31:47,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:47,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:47,577 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2019-01-31 14:31:47,577 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2019-01-31 14:31:47,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:47,577 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-01-31 14:31:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-31 14:31:47,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:47,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:47,578 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:47,578 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-31 14:31:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-01-31 14:31:47,578 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 27 [2019-01-31 14:31:47,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:47,578 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-01-31 14:31:47,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-31 14:31:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-31 14:31:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-31 14:31:47,579 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:47,579 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 1, 1, 1, 1] [2019-01-31 14:31:47,579 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:47,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:47,579 INFO L82 PathProgramCache]: Analyzing trace with hash -454857078, now seen corresponding path program 18 times [2019-01-31 14:31:47,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:47,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:47,581 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:47,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:47,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:48,178 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 [2019-01-31 14:31:48,180 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 [2019-01-31 14:31:48,181 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 [2019-01-31 14:31:48,182 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 [2019-01-31 14:31:48,183 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 [2019-01-31 14:31:48,184 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 [2019-01-31 14:31:48,185 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 [2019-01-31 14:31:48,186 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 [2019-01-31 14:31:48,187 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 [2019-01-31 14:31:48,188 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 [2019-01-31 14:31:48,189 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 [2019-01-31 14:31:48,190 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 [2019-01-31 14:31:48,191 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 [2019-01-31 14:31:48,192 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 [2019-01-31 14:31:48,193 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 [2019-01-31 14:31:48,194 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 [2019-01-31 14:31:48,195 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 [2019-01-31 14:31:48,197 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 [2019-01-31 14:31:48,198 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 [2019-01-31 14:31:48,199 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 [2019-01-31 14:31:48,200 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 [2019-01-31 14:31:48,201 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 [2019-01-31 14:31:48,202 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 [2019-01-31 14:31:48,203 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 [2019-01-31 14:31:48,204 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 [2019-01-31 14:31:48,205 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 [2019-01-31 14:31:48,206 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 [2019-01-31 14:31:48,206 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-01-31 14:31:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:48,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:48,209 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:48,209 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:48,209 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:48,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:48,209 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 [2019-01-31 14:31:48,218 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:31:48,219 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:31:48,234 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:31:48,234 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:31:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:48,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:48,944 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 [2019-01-31 14:31:48,945 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:48,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:48,953 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:31:48,956 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:48,956 WARN L398 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)) [2019-01-31 14:31:48,956 WARN L399 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)) [2019-01-31 14:31:49,024 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 [2019-01-31 14:31:49,025 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 [2019-01-31 14:31:49,025 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 [2019-01-31 14:31:49,025 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 [2019-01-31 14:31:49,026 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 [2019-01-31 14:31:49,026 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 [2019-01-31 14:31:49,026 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 [2019-01-31 14:31:49,026 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 [2019-01-31 14:31:49,026 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 [2019-01-31 14:31:49,026 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 [2019-01-31 14:31:49,026 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 [2019-01-31 14:31:49,027 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 [2019-01-31 14:31:49,027 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 [2019-01-31 14:31:49,027 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 [2019-01-31 14:31:49,028 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 [2019-01-31 14:31:49,028 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 [2019-01-31 14:31:49,029 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 [2019-01-31 14:31:49,030 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 [2019-01-31 14:31:49,030 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 [2019-01-31 14:31:49,031 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 [2019-01-31 14:31:49,032 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 [2019-01-31 14:31:49,033 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 [2019-01-31 14:31:49,034 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 [2019-01-31 14:31:49,036 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 [2019-01-31 14:31:49,037 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 [2019-01-31 14:31:49,038 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 [2019-01-31 14:31:49,039 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 [2019-01-31 14:31:49,039 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-01-31 14:31:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-01-31 14:31:49,042 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:49,156 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 [2019-01-31 14:31:49,158 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:49,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:49,169 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:31:49,172 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:49,172 WARN L398 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)) [2019-01-31 14:31:49,172 WARN L399 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)) [2019-01-31 14:31:49,801 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-01-31 14:31:49,803 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 [2019-01-31 14:31:49,804 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 [2019-01-31 14:31:49,805 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 [2019-01-31 14:31:49,806 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 [2019-01-31 14:31:49,808 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 [2019-01-31 14:31:49,809 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 [2019-01-31 14:31:49,810 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 [2019-01-31 14:31:49,811 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 [2019-01-31 14:31:49,812 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 [2019-01-31 14:31:49,814 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 [2019-01-31 14:31:49,815 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 [2019-01-31 14:31:49,816 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 [2019-01-31 14:31:49,817 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 [2019-01-31 14:31:49,822 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 [2019-01-31 14:31:49,822 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 [2019-01-31 14:31:49,822 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 [2019-01-31 14:31:49,822 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,823 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 [2019-01-31 14:31:49,824 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 [2019-01-31 14:31:49,824 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 [2019-01-31 14:31:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-01-31 14:31:49,843 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:49,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 15] total 54 [2019-01-31 14:31:49,844 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:49,844 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2019-01-31 14:31:49,844 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:49,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2019-01-31 14:31:50,269 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:50,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-01-31 14:31:50,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-01-31 14:31:50,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2444, Unknown=0, NotChecked=0, Total=2862 [2019-01-31 14:31:50,271 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 41 states. [2019-01-31 14:31:52,924 WARN L181 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2019-01-31 14:31:55,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:55,433 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-01-31 14:31:55,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-01-31 14:31:55,433 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2019-01-31 14:31:55,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:31:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-31 14:31:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2019-01-31 14:31:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-31 14:31:55,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2019-01-31 14:31:55,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2019-01-31 14:31:55,507 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:55,507 INFO L225 Difference]: With dead ends: 47 [2019-01-31 14:31:55,507 INFO L226 Difference]: Without dead ends: 31 [2019-01-31 14:31:55,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=727, Invalid=4243, Unknown=0, NotChecked=0, Total=4970 [2019-01-31 14:31:55,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-31 14:31:55,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-01-31 14:31:55,855 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:31:55,855 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2019-01-31 14:31:55,855 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2019-01-31 14:31:55,855 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2019-01-31 14:31:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:55,856 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-31 14:31:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-31 14:31:55,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:55,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:55,857 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2019-01-31 14:31:55,857 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2019-01-31 14:31:55,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:31:55,858 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-31 14:31:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-31 14:31:55,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:31:55,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:31:55,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:31:55,859 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:31:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-31 14:31:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-01-31 14:31:55,860 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 28 [2019-01-31 14:31:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:31:55,860 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-01-31 14:31:55,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-01-31 14:31:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-31 14:31:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-31 14:31:55,861 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:31:55,861 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 1, 1, 1, 1] [2019-01-31 14:31:55,861 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:31:55,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:31:55,861 INFO L82 PathProgramCache]: Analyzing trace with hash -319437323, now seen corresponding path program 19 times [2019-01-31 14:31:55,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:31:55,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:55,862 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:31:55,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:31:55,862 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:31:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:57,086 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 [2019-01-31 14:31:57,087 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 [2019-01-31 14:31:57,088 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 [2019-01-31 14:31:57,094 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 [2019-01-31 14:31:57,095 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 [2019-01-31 14:31:57,097 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 [2019-01-31 14:31:57,098 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 [2019-01-31 14:31:57,099 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 [2019-01-31 14:31:57,100 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 [2019-01-31 14:31:57,101 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 [2019-01-31 14:31:57,102 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 [2019-01-31 14:31:57,103 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 [2019-01-31 14:31:57,104 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 [2019-01-31 14:31:57,106 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 [2019-01-31 14:31:57,109 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 [2019-01-31 14:31:57,110 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 [2019-01-31 14:31:57,110 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 [2019-01-31 14:31:57,111 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 [2019-01-31 14:31:57,114 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 [2019-01-31 14:31:57,115 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 [2019-01-31 14:31:57,115 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 [2019-01-31 14:31:57,116 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 [2019-01-31 14:31:57,116 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 [2019-01-31 14:31:57,118 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 [2019-01-31 14:31:57,119 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 [2019-01-31 14:31:57,120 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 [2019-01-31 14:31:57,120 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 [2019-01-31 14:31:57,121 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 [2019-01-31 14:31:57,123 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 [2019-01-31 14:31:57,123 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-01-31 14:31:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:57,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:57,126 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:31:57,126 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:31:57,126 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:31:57,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:31:57,126 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 [2019-01-31 14:31:57,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:31:57,135 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:31:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:31:57,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:31:58,448 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 [2019-01-31 14:31:58,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:58,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:58,456 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:31:58,459 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:58,459 WARN L398 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)) [2019-01-31 14:31:58,459 WARN L399 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))) [2019-01-31 14:31:58,514 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 [2019-01-31 14:31:58,515 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 [2019-01-31 14:31:58,516 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 [2019-01-31 14:31:58,517 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 [2019-01-31 14:31:58,518 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 [2019-01-31 14:31:58,519 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 [2019-01-31 14:31:58,520 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 [2019-01-31 14:31:58,521 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 [2019-01-31 14:31:58,522 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 [2019-01-31 14:31:58,523 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 [2019-01-31 14:31:58,524 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 [2019-01-31 14:31:58,525 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 [2019-01-31 14:31:58,526 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 [2019-01-31 14:31:58,527 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 [2019-01-31 14:31:58,528 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 [2019-01-31 14:31:58,529 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 [2019-01-31 14:31:58,530 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 [2019-01-31 14:31:58,531 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 [2019-01-31 14:31:58,532 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 [2019-01-31 14:31:58,533 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 [2019-01-31 14:31:58,533 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 [2019-01-31 14:31:58,534 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 [2019-01-31 14:31:58,535 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 [2019-01-31 14:31:58,536 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 [2019-01-31 14:31:58,537 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 [2019-01-31 14:31:58,538 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 [2019-01-31 14:31:58,538 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 [2019-01-31 14:31:58,540 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 [2019-01-31 14:31:58,541 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 [2019-01-31 14:31:58,541 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-01-31 14:31:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:58,545 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:31:58,586 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 [2019-01-31 14:31:58,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:31:58,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:31:58,592 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:31:58,594 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:31:58,595 WARN L398 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))))) [2019-01-31 14:31:58,595 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:31:58,807 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-01-31 14:31:58,808 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 [2019-01-31 14:31:58,810 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 [2019-01-31 14:31:58,811 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 [2019-01-31 14:31:58,812 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 [2019-01-31 14:31:58,813 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 [2019-01-31 14:31:58,814 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 [2019-01-31 14:31:58,815 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 [2019-01-31 14:31:58,816 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 [2019-01-31 14:31:58,817 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 [2019-01-31 14:31:58,818 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 [2019-01-31 14:31:58,819 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 [2019-01-31 14:31:58,820 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 [2019-01-31 14:31:58,821 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 [2019-01-31 14:31:58,822 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 [2019-01-31 14:31:58,823 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 [2019-01-31 14:31:58,824 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 [2019-01-31 14:31:58,825 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 [2019-01-31 14:31:58,826 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 [2019-01-31 14:31:58,827 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 [2019-01-31 14:31:58,828 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 [2019-01-31 14:31:58,829 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 [2019-01-31 14:31:58,830 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 [2019-01-31 14:31:58,831 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 [2019-01-31 14:31:58,832 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 [2019-01-31 14:31:58,833 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 [2019-01-31 14:31:58,834 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 [2019-01-31 14:31:58,835 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 [2019-01-31 14:31:58,836 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 [2019-01-31 14:31:58,837 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 [2019-01-31 14:31:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:31:58,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:31:58,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 45 [2019-01-31 14:31:58,859 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:31:58,860 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2019-01-31 14:31:58,860 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:31:58,860 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 46 states. [2019-01-31 14:31:58,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:31:58,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-01-31 14:31:58,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-01-31 14:31:58,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1937, Unknown=0, NotChecked=0, Total=2070 [2019-01-31 14:31:58,907 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 46 states. [2019-01-31 14:32:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:03,064 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-01-31 14:32:03,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-01-31 14:32:03,065 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2019-01-31 14:32:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-31 14:32:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-01-31 14:32:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-31 14:32:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-01-31 14:32:03,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states and 38 transitions. [2019-01-31 14:32:03,108 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:03,109 INFO L225 Difference]: With dead ends: 48 [2019-01-31 14:32:03,109 INFO L226 Difference]: Without dead ends: 32 [2019-01-31 14:32:03,111 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 [2019-01-31 14:32:03,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-31 14:32:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-01-31 14:32:03,460 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:03,460 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 32 states. [2019-01-31 14:32:03,461 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2019-01-31 14:32:03,461 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2019-01-31 14:32:03,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:03,462 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-01-31 14:32:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-31 14:32:03,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:03,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:03,462 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2019-01-31 14:32:03,462 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2019-01-31 14:32:03,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:03,463 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-01-31 14:32:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-31 14:32:03,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:03,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:03,463 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:03,463 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-01-31 14:32:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-01-31 14:32:03,464 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 30 [2019-01-31 14:32:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:03,464 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-01-31 14:32:03,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-01-31 14:32:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-31 14:32:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-31 14:32:03,465 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:03,465 INFO L402 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1, 1] [2019-01-31 14:32:03,465 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:03,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:03,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1693839084, now seen corresponding path program 20 times [2019-01-31 14:32:03,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:03,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:03,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:32:03,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:03,466 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:03,947 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 [2019-01-31 14:32:03,948 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 [2019-01-31 14:32:03,949 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 [2019-01-31 14:32:03,950 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 [2019-01-31 14:32:03,951 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 [2019-01-31 14:32:03,952 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 [2019-01-31 14:32:03,953 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 [2019-01-31 14:32:03,954 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 [2019-01-31 14:32:03,955 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 [2019-01-31 14:32:03,956 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 [2019-01-31 14:32:03,957 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 [2019-01-31 14:32:03,958 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 [2019-01-31 14:32:03,959 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 [2019-01-31 14:32:03,960 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 [2019-01-31 14:32:03,961 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 [2019-01-31 14:32:03,962 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 [2019-01-31 14:32:03,963 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 [2019-01-31 14:32:03,964 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 [2019-01-31 14:32:03,965 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 [2019-01-31 14:32:03,966 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 [2019-01-31 14:32:03,966 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 [2019-01-31 14:32:03,967 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 [2019-01-31 14:32:03,968 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 [2019-01-31 14:32:03,969 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 [2019-01-31 14:32:03,970 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 [2019-01-31 14:32:03,971 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 [2019-01-31 14:32:03,972 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 [2019-01-31 14:32:03,973 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 [2019-01-31 14:32:03,974 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 [2019-01-31 14:32:03,974 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 [2019-01-31 14:32:03,975 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-01-31 14:32:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:03,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:03,977 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:03,977 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:03,977 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:03,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:03,977 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 [2019-01-31 14:32:03,988 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:32:03,988 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:32:04,036 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-01-31 14:32:04,036 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:32:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:04,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:04,192 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 [2019-01-31 14:32:04,193 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 [2019-01-31 14:32:04,194 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 [2019-01-31 14:32:04,195 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 [2019-01-31 14:32:04,196 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 [2019-01-31 14:32:04,197 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 [2019-01-31 14:32:04,198 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 [2019-01-31 14:32:04,199 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 [2019-01-31 14:32:04,199 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 [2019-01-31 14:32:04,200 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 [2019-01-31 14:32:04,201 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 [2019-01-31 14:32:04,202 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 [2019-01-31 14:32:04,203 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 [2019-01-31 14:32:04,204 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 [2019-01-31 14:32:04,205 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 [2019-01-31 14:32:04,206 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 [2019-01-31 14:32:04,207 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 [2019-01-31 14:32:04,208 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 [2019-01-31 14:32:04,209 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 [2019-01-31 14:32:04,210 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 [2019-01-31 14:32:04,211 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 [2019-01-31 14:32:04,212 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 [2019-01-31 14:32:04,213 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 [2019-01-31 14:32:04,214 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 [2019-01-31 14:32:04,215 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 [2019-01-31 14:32:04,215 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 [2019-01-31 14:32:04,216 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 [2019-01-31 14:32:04,217 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 [2019-01-31 14:32:04,218 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 [2019-01-31 14:32:04,219 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 [2019-01-31 14:32:04,219 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-01-31 14:32:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:04,221 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:04,600 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-01-31 14:32:04,601 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 [2019-01-31 14:32:04,602 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 [2019-01-31 14:32:04,602 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 [2019-01-31 14:32:04,603 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 [2019-01-31 14:32:04,604 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 [2019-01-31 14:32:04,604 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 [2019-01-31 14:32:04,605 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 [2019-01-31 14:32:04,606 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 [2019-01-31 14:32:04,607 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 [2019-01-31 14:32:04,608 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 [2019-01-31 14:32:04,609 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 [2019-01-31 14:32:04,610 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 [2019-01-31 14:32:04,611 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 [2019-01-31 14:32:04,612 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 [2019-01-31 14:32:04,630 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 [2019-01-31 14:32:04,633 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 [2019-01-31 14:32:04,634 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 [2019-01-31 14:32:04,634 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 [2019-01-31 14:32:04,635 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 [2019-01-31 14:32:04,635 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 [2019-01-31 14:32:04,636 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 [2019-01-31 14:32:04,636 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 [2019-01-31 14:32:04,637 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 [2019-01-31 14:32:04,638 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 [2019-01-31 14:32:04,639 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 [2019-01-31 14:32:04,640 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 [2019-01-31 14:32:04,641 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 [2019-01-31 14:32:04,642 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 [2019-01-31 14:32:04,643 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 [2019-01-31 14:32:04,644 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 [2019-01-31 14:32:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:04,665 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:04,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 16 [2019-01-31 14:32:04,666 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:04,666 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2019-01-31 14:32:04,666 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:04,666 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2019-01-31 14:32:04,718 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:04,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-31 14:32:04,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-31 14:32:04,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2019-01-31 14:32:04,719 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2019-01-31 14:32:05,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:05,491 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-31 14:32:05,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-01-31 14:32:05,491 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2019-01-31 14:32:05,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-31 14:32:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-01-31 14:32:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-31 14:32:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-01-31 14:32:05,493 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 36 transitions. [2019-01-31 14:32:05,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:05,535 INFO L225 Difference]: With dead ends: 35 [2019-01-31 14:32:05,535 INFO L226 Difference]: Without dead ends: 33 [2019-01-31 14:32:05,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 47 SyntacticMatches, 28 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2019-01-31 14:32:05,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-31 14:32:05,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-31 14:32:05,949 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:05,949 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2019-01-31 14:32:05,949 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2019-01-31 14:32:05,949 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2019-01-31 14:32:05,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:05,950 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-01-31 14:32:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-01-31 14:32:05,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:05,951 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:05,951 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2019-01-31 14:32:05,951 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2019-01-31 14:32:05,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:05,952 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-01-31 14:32:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-01-31 14:32:05,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:05,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:05,953 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:05,953 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-31 14:32:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-01-31 14:32:05,953 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 31 [2019-01-31 14:32:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:05,954 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-01-31 14:32:05,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-31 14:32:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-01-31 14:32:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-31 14:32:05,954 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:05,954 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1] [2019-01-31 14:32:05,955 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:05,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:05,955 INFO L82 PathProgramCache]: Analyzing trace with hash 969405866, now seen corresponding path program 21 times [2019-01-31 14:32:05,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:05,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:05,956 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:32:05,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:05,956 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:06,924 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 [2019-01-31 14:32:06,925 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 [2019-01-31 14:32:06,926 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 [2019-01-31 14:32:06,927 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 [2019-01-31 14:32:06,928 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 [2019-01-31 14:32:06,930 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 [2019-01-31 14:32:06,931 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 [2019-01-31 14:32:06,932 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 [2019-01-31 14:32:06,933 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 [2019-01-31 14:32:06,934 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 [2019-01-31 14:32:06,935 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 [2019-01-31 14:32:06,936 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 [2019-01-31 14:32:06,937 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 [2019-01-31 14:32:06,938 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 [2019-01-31 14:32:06,939 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 [2019-01-31 14:32:06,940 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 [2019-01-31 14:32:06,941 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 [2019-01-31 14:32:06,942 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 [2019-01-31 14:32:06,943 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 [2019-01-31 14:32:06,945 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 [2019-01-31 14:32:06,946 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 [2019-01-31 14:32:06,947 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 [2019-01-31 14:32:06,948 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 [2019-01-31 14:32:06,949 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 [2019-01-31 14:32:06,950 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 [2019-01-31 14:32:06,951 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 [2019-01-31 14:32:06,952 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 [2019-01-31 14:32:06,953 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 [2019-01-31 14:32:06,954 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 [2019-01-31 14:32:06,955 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 [2019-01-31 14:32:06,956 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 [2019-01-31 14:32:06,957 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-01-31 14:32:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:06,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:06,960 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:06,960 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:06,960 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:06,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:06,960 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 [2019-01-31 14:32:06,968 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:32:06,968 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:32:07,008 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:32:07,008 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:32:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:07,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:08,041 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 [2019-01-31 14:32:08,045 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:08,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:08,070 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:32:08,080 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:08,080 WARN L398 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))) [2019-01-31 14:32:08,080 WARN L399 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))) [2019-01-31 14:32:08,181 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 [2019-01-31 14:32:08,181 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 [2019-01-31 14:32:08,181 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 [2019-01-31 14:32:08,182 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 [2019-01-31 14:32:08,182 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 [2019-01-31 14:32:08,182 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 [2019-01-31 14:32:08,182 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 [2019-01-31 14:32:08,182 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 [2019-01-31 14:32:08,183 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 [2019-01-31 14:32:08,183 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 [2019-01-31 14:32:08,183 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 [2019-01-31 14:32:08,183 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 [2019-01-31 14:32:08,183 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 [2019-01-31 14:32:08,183 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 [2019-01-31 14:32:08,184 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 [2019-01-31 14:32:08,184 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 [2019-01-31 14:32:08,185 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 [2019-01-31 14:32:08,185 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 [2019-01-31 14:32:08,186 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 [2019-01-31 14:32:08,187 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 [2019-01-31 14:32:08,188 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 [2019-01-31 14:32:08,189 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 [2019-01-31 14:32:08,190 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 [2019-01-31 14:32:08,191 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 [2019-01-31 14:32:08,192 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 [2019-01-31 14:32:08,193 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 [2019-01-31 14:32:08,194 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 [2019-01-31 14:32:08,196 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 [2019-01-31 14:32:08,197 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 [2019-01-31 14:32:08,198 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 [2019-01-31 14:32:08,199 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 [2019-01-31 14:32:08,199 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-01-31 14:32:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-01-31 14:32:08,202 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:08,293 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 [2019-01-31 14:32:08,295 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:08,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:08,309 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:32:08,311 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:08,312 WARN L398 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)) [2019-01-31 14:32:08,312 WARN L399 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)) [2019-01-31 14:32:09,462 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-01-31 14:32:09,464 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 [2019-01-31 14:32:09,465 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 [2019-01-31 14:32:09,466 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 [2019-01-31 14:32:09,467 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 [2019-01-31 14:32:09,469 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 [2019-01-31 14:32:09,470 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 [2019-01-31 14:32:09,471 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 [2019-01-31 14:32:09,472 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 [2019-01-31 14:32:09,473 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 [2019-01-31 14:32:09,475 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 [2019-01-31 14:32:09,476 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 [2019-01-31 14:32:09,477 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 [2019-01-31 14:32:09,478 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 [2019-01-31 14:32:09,479 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 [2019-01-31 14:32:09,480 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 [2019-01-31 14:32:09,481 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 [2019-01-31 14:32:09,482 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 [2019-01-31 14:32:09,482 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 [2019-01-31 14:32:09,482 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 [2019-01-31 14:32:09,482 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 [2019-01-31 14:32:09,483 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 [2019-01-31 14:32:09,483 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 [2019-01-31 14:32:09,483 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 [2019-01-31 14:32:09,483 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 [2019-01-31 14:32:09,483 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 [2019-01-31 14:32:09,484 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 [2019-01-31 14:32:09,484 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 [2019-01-31 14:32:09,484 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 [2019-01-31 14:32:09,484 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 [2019-01-31 14:32:09,484 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 [2019-01-31 14:32:09,484 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 [2019-01-31 14:32:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-01-31 14:32:09,504 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:09,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 17, 17] total 62 [2019-01-31 14:32:09,504 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:09,505 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2019-01-31 14:32:09,505 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:09,505 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states. [2019-01-31 14:32:09,553 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:09,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-01-31 14:32:09,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-01-31 14:32:09,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=3240, Unknown=0, NotChecked=0, Total=3782 [2019-01-31 14:32:09,556 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 47 states. [2019-01-31 14:32:15,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:15,192 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-31 14:32:15,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-01-31 14:32:15,193 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2019-01-31 14:32:15,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-31 14:32:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2019-01-31 14:32:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-31 14:32:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2019-01-31 14:32:15,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 57 transitions. [2019-01-31 14:32:15,420 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:15,421 INFO L225 Difference]: With dead ends: 53 [2019-01-31 14:32:15,421 INFO L226 Difference]: Without dead ends: 35 [2019-01-31 14:32:15,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=925, Invalid=5555, Unknown=0, NotChecked=0, Total=6480 [2019-01-31 14:32:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-31 14:32:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-31 14:32:15,860 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:15,860 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2019-01-31 14:32:15,860 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2019-01-31 14:32:15,860 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2019-01-31 14:32:15,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:15,861 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-31 14:32:15,861 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-01-31 14:32:15,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:15,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:15,862 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2019-01-31 14:32:15,862 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2019-01-31 14:32:15,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:15,863 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-31 14:32:15,863 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-01-31 14:32:15,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:15,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:15,863 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:15,864 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-31 14:32:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2019-01-31 14:32:15,864 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2019-01-31 14:32:15,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:15,864 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2019-01-31 14:32:15,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-01-31 14:32:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-01-31 14:32:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-31 14:32:15,865 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:15,865 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 1, 1, 1, 1] [2019-01-31 14:32:15,865 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:15,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:15,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1714035115, now seen corresponding path program 22 times [2019-01-31 14:32:15,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:15,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:15,866 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:32:15,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:15,866 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:16,877 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 [2019-01-31 14:32:16,878 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 [2019-01-31 14:32:16,879 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 [2019-01-31 14:32:16,880 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 [2019-01-31 14:32:16,882 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 [2019-01-31 14:32:16,883 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 [2019-01-31 14:32:16,884 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 [2019-01-31 14:32:16,885 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 [2019-01-31 14:32:16,886 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 [2019-01-31 14:32:16,887 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 [2019-01-31 14:32:16,888 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 [2019-01-31 14:32:16,889 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 [2019-01-31 14:32:16,890 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 [2019-01-31 14:32:16,891 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 [2019-01-31 14:32:16,892 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 [2019-01-31 14:32:16,893 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 [2019-01-31 14:32:16,894 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 [2019-01-31 14:32:16,895 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 [2019-01-31 14:32:16,896 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 [2019-01-31 14:32:16,897 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 [2019-01-31 14:32:16,898 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 [2019-01-31 14:32:16,899 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 [2019-01-31 14:32:16,900 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 [2019-01-31 14:32:16,901 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 [2019-01-31 14:32:16,902 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 [2019-01-31 14:32:16,903 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 [2019-01-31 14:32:16,904 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 [2019-01-31 14:32:16,906 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 [2019-01-31 14:32:16,907 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 [2019-01-31 14:32:16,908 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 [2019-01-31 14:32:16,909 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 [2019-01-31 14:32:16,910 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 [2019-01-31 14:32:16,911 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 [2019-01-31 14:32:16,911 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-01-31 14:32:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:16,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:16,915 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:16,915 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:16,915 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:16,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:16,915 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 [2019-01-31 14:32:16,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:32:16,923 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:32:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:16,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:18,095 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 [2019-01-31 14:32:18,098 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:18,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:18,104 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:32:18,107 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:18,107 WARN L398 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)) [2019-01-31 14:32:18,108 WARN L399 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))) [2019-01-31 14:32:18,166 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 [2019-01-31 14:32:18,167 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 [2019-01-31 14:32:18,168 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 [2019-01-31 14:32:18,169 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 [2019-01-31 14:32:18,170 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 [2019-01-31 14:32:18,171 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 [2019-01-31 14:32:18,172 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 [2019-01-31 14:32:18,173 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 [2019-01-31 14:32:18,174 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 [2019-01-31 14:32:18,175 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 [2019-01-31 14:32:18,176 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 [2019-01-31 14:32:18,177 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 [2019-01-31 14:32:18,178 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 [2019-01-31 14:32:18,179 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 [2019-01-31 14:32:18,180 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 [2019-01-31 14:32:18,181 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 [2019-01-31 14:32:18,182 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 [2019-01-31 14:32:18,183 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 [2019-01-31 14:32:18,184 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 [2019-01-31 14:32:18,185 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 [2019-01-31 14:32:18,186 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 [2019-01-31 14:32:18,187 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 [2019-01-31 14:32:18,188 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 [2019-01-31 14:32:18,189 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 [2019-01-31 14:32:18,189 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 [2019-01-31 14:32:18,190 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 [2019-01-31 14:32:18,191 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 [2019-01-31 14:32:18,192 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 [2019-01-31 14:32:18,193 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 [2019-01-31 14:32:18,194 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 [2019-01-31 14:32:18,194 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 [2019-01-31 14:32:18,196 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 [2019-01-31 14:32:18,197 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 [2019-01-31 14:32:18,197 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-01-31 14:32:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:18,201 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:18,234 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 [2019-01-31 14:32:18,239 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:18,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:18,242 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:32:18,244 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:18,245 WARN L398 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))))) [2019-01-31 14:32:18,245 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:32:18,518 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-01-31 14:32:18,519 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 [2019-01-31 14:32:18,519 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 [2019-01-31 14:32:18,520 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 [2019-01-31 14:32:18,520 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 [2019-01-31 14:32:18,521 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 [2019-01-31 14:32:18,522 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 [2019-01-31 14:32:18,523 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 [2019-01-31 14:32:18,524 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 [2019-01-31 14:32:18,525 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 [2019-01-31 14:32:18,526 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 [2019-01-31 14:32:18,527 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 [2019-01-31 14:32:18,528 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 [2019-01-31 14:32:18,529 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 [2019-01-31 14:32:18,530 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 [2019-01-31 14:32:18,531 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 [2019-01-31 14:32:18,532 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 [2019-01-31 14:32:18,533 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 [2019-01-31 14:32:18,534 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 [2019-01-31 14:32:18,535 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 [2019-01-31 14:32:18,536 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 [2019-01-31 14:32:18,537 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 [2019-01-31 14:32:18,538 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 [2019-01-31 14:32:18,539 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 [2019-01-31 14:32:18,540 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 [2019-01-31 14:32:18,541 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 [2019-01-31 14:32:18,542 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 [2019-01-31 14:32:18,543 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 [2019-01-31 14:32:18,544 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 [2019-01-31 14:32:18,545 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 [2019-01-31 14:32:18,546 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 [2019-01-31 14:32:18,547 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 [2019-01-31 14:32:18,548 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 [2019-01-31 14:32:18,549 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 [2019-01-31 14:32:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:18,571 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:18,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 51 [2019-01-31 14:32:18,571 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:18,571 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2019-01-31 14:32:18,571 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:18,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 52 states. [2019-01-31 14:32:18,626 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:18,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-01-31 14:32:18,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-01-31 14:32:18,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=2501, Unknown=0, NotChecked=0, Total=2652 [2019-01-31 14:32:18,629 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 52 states. [2019-01-31 14:32:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:24,451 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2019-01-31 14:32:24,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-01-31 14:32:24,451 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2019-01-31 14:32:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-31 14:32:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2019-01-31 14:32:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-31 14:32:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2019-01-31 14:32:24,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states and 42 transitions. [2019-01-31 14:32:24,509 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:24,510 INFO L225 Difference]: With dead ends: 54 [2019-01-31 14:32:24,510 INFO L226 Difference]: Without dead ends: 36 [2019-01-31 14:32:24,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 39 SyntacticMatches, 10 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=320, Invalid=4510, Unknown=0, NotChecked=0, Total=4830 [2019-01-31 14:32:24,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-01-31 14:32:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-01-31 14:32:24,979 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:24,979 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2019-01-31 14:32:24,979 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2019-01-31 14:32:24,979 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2019-01-31 14:32:24,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:24,980 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-01-31 14:32:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-01-31 14:32:24,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:24,981 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:24,981 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2019-01-31 14:32:24,981 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2019-01-31 14:32:24,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:24,982 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-01-31 14:32:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-01-31 14:32:24,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:24,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:24,983 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:24,983 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-01-31 14:32:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2019-01-31 14:32:24,983 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 34 [2019-01-31 14:32:24,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:24,984 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2019-01-31 14:32:24,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-01-31 14:32:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-01-31 14:32:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-31 14:32:24,984 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:24,984 INFO L402 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1, 1] [2019-01-31 14:32:24,985 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:24,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1394260940, now seen corresponding path program 23 times [2019-01-31 14:32:24,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:24,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:24,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:32:24,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:24,986 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:25,632 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 [2019-01-31 14:32:25,632 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 [2019-01-31 14:32:25,633 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 [2019-01-31 14:32:25,634 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 [2019-01-31 14:32:25,635 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 [2019-01-31 14:32:25,636 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 [2019-01-31 14:32:25,637 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 [2019-01-31 14:32:25,638 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 [2019-01-31 14:32:25,639 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 [2019-01-31 14:32:25,640 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 [2019-01-31 14:32:25,640 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 [2019-01-31 14:32:25,641 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 [2019-01-31 14:32:25,642 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 [2019-01-31 14:32:25,643 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 [2019-01-31 14:32:25,644 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 [2019-01-31 14:32:25,645 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 [2019-01-31 14:32:25,646 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 [2019-01-31 14:32:25,647 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 [2019-01-31 14:32:25,648 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 [2019-01-31 14:32:25,649 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 [2019-01-31 14:32:25,650 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 [2019-01-31 14:32:25,651 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 [2019-01-31 14:32:25,652 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 [2019-01-31 14:32:25,653 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 [2019-01-31 14:32:25,654 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 [2019-01-31 14:32:25,655 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 [2019-01-31 14:32:25,655 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 [2019-01-31 14:32:25,656 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 [2019-01-31 14:32:25,657 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 [2019-01-31 14:32:25,658 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 [2019-01-31 14:32:25,659 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 [2019-01-31 14:32:25,660 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 [2019-01-31 14:32:25,661 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 [2019-01-31 14:32:25,662 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 [2019-01-31 14:32:25,662 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-01-31 14:32:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:25,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:25,665 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:25,665 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:25,665 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:25,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:25,665 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 [2019-01-31 14:32:25,681 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:32:25,681 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:32:25,729 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-01-31 14:32:25,729 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:32:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:25,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:25,955 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 [2019-01-31 14:32:25,957 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 [2019-01-31 14:32:25,958 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 [2019-01-31 14:32:25,959 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 [2019-01-31 14:32:25,960 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 [2019-01-31 14:32:25,960 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 [2019-01-31 14:32:25,961 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 [2019-01-31 14:32:25,962 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 [2019-01-31 14:32:25,963 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 [2019-01-31 14:32:25,964 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 [2019-01-31 14:32:25,965 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 [2019-01-31 14:32:25,966 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 [2019-01-31 14:32:25,967 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 [2019-01-31 14:32:25,968 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 [2019-01-31 14:32:25,969 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 [2019-01-31 14:32:25,970 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 [2019-01-31 14:32:25,971 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 [2019-01-31 14:32:25,972 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 [2019-01-31 14:32:25,973 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 [2019-01-31 14:32:25,974 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 [2019-01-31 14:32:25,975 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 [2019-01-31 14:32:25,976 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 [2019-01-31 14:32:25,976 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 [2019-01-31 14:32:25,977 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 [2019-01-31 14:32:25,978 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 [2019-01-31 14:32:25,979 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 [2019-01-31 14:32:25,980 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 [2019-01-31 14:32:25,981 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 [2019-01-31 14:32:25,982 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 [2019-01-31 14:32:25,983 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 [2019-01-31 14:32:25,984 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 [2019-01-31 14:32:25,985 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 [2019-01-31 14:32:25,986 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 [2019-01-31 14:32:25,986 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 [2019-01-31 14:32:25,986 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-01-31 14:32:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:25,989 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:26,419 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-01-31 14:32:26,420 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 [2019-01-31 14:32:26,421 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 [2019-01-31 14:32:26,421 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 [2019-01-31 14:32:26,422 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 [2019-01-31 14:32:26,422 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 [2019-01-31 14:32:26,423 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 [2019-01-31 14:32:26,424 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 [2019-01-31 14:32:26,425 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 [2019-01-31 14:32:26,426 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 [2019-01-31 14:32:26,427 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 [2019-01-31 14:32:26,428 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 [2019-01-31 14:32:26,429 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 [2019-01-31 14:32:26,430 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 [2019-01-31 14:32:26,431 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 [2019-01-31 14:32:26,432 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 [2019-01-31 14:32:26,433 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 [2019-01-31 14:32:26,434 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 [2019-01-31 14:32:26,435 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 [2019-01-31 14:32:26,436 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 [2019-01-31 14:32:26,436 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 [2019-01-31 14:32:26,437 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 [2019-01-31 14:32:26,438 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 [2019-01-31 14:32:26,439 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 [2019-01-31 14:32:26,440 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 [2019-01-31 14:32:26,441 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 [2019-01-31 14:32:26,442 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 [2019-01-31 14:32:26,443 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 [2019-01-31 14:32:26,444 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 [2019-01-31 14:32:26,445 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 [2019-01-31 14:32:26,446 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 [2019-01-31 14:32:26,447 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 [2019-01-31 14:32:26,448 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 [2019-01-31 14:32:26,449 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 [2019-01-31 14:32:26,450 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 [2019-01-31 14:32:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:26,472 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:26,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 18 [2019-01-31 14:32:26,472 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:26,473 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2019-01-31 14:32:26,473 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:26,473 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2019-01-31 14:32:26,520 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:26,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-01-31 14:32:26,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-01-31 14:32:26,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2019-01-31 14:32:26,521 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 19 states. [2019-01-31 14:32:27,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:27,447 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-01-31 14:32:27,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-01-31 14:32:27,447 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2019-01-31 14:32:27,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-31 14:32:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2019-01-31 14:32:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-31 14:32:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2019-01-31 14:32:27,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 40 transitions. [2019-01-31 14:32:27,486 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:27,487 INFO L225 Difference]: With dead ends: 39 [2019-01-31 14:32:27,487 INFO L226 Difference]: Without dead ends: 37 [2019-01-31 14:32:27,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 53 SyntacticMatches, 32 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=459, Invalid=731, Unknown=0, NotChecked=0, Total=1190 [2019-01-31 14:32:27,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-01-31 14:32:28,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-01-31 14:32:28,181 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:28,181 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2019-01-31 14:32:28,181 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2019-01-31 14:32:28,182 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2019-01-31 14:32:28,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:28,183 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-01-31 14:32:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-01-31 14:32:28,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:28,183 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:28,183 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2019-01-31 14:32:28,183 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2019-01-31 14:32:28,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:28,184 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-01-31 14:32:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-01-31 14:32:28,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:28,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:28,185 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:28,185 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-31 14:32:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2019-01-31 14:32:28,186 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 35 [2019-01-31 14:32:28,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:28,186 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2019-01-31 14:32:28,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-01-31 14:32:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-01-31 14:32:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-31 14:32:28,187 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:28,187 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 1, 1, 1, 1] [2019-01-31 14:32:28,187 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:28,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:28,187 INFO L82 PathProgramCache]: Analyzing trace with hash 272417994, now seen corresponding path program 24 times [2019-01-31 14:32:28,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:28,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:28,188 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:32:28,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:28,188 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:29,661 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 [2019-01-31 14:32:29,662 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 [2019-01-31 14:32:29,663 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 [2019-01-31 14:32:29,664 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 [2019-01-31 14:32:29,665 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 [2019-01-31 14:32:29,666 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 [2019-01-31 14:32:29,667 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 [2019-01-31 14:32:29,668 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 [2019-01-31 14:32:29,669 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 [2019-01-31 14:32:29,670 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 [2019-01-31 14:32:29,671 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 [2019-01-31 14:32:29,672 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 [2019-01-31 14:32:29,673 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 [2019-01-31 14:32:29,674 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 [2019-01-31 14:32:29,675 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 [2019-01-31 14:32:29,676 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 [2019-01-31 14:32:29,678 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 [2019-01-31 14:32:29,679 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 [2019-01-31 14:32:29,680 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 [2019-01-31 14:32:29,681 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 [2019-01-31 14:32:29,682 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 [2019-01-31 14:32:29,683 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 [2019-01-31 14:32:29,684 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 [2019-01-31 14:32:29,685 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 [2019-01-31 14:32:29,686 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 [2019-01-31 14:32:29,687 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 [2019-01-31 14:32:29,688 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 [2019-01-31 14:32:29,689 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 [2019-01-31 14:32:29,690 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 [2019-01-31 14:32:29,691 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 [2019-01-31 14:32:29,692 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 [2019-01-31 14:32:29,693 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 [2019-01-31 14:32:29,694 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 [2019-01-31 14:32:29,695 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 [2019-01-31 14:32:29,696 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 [2019-01-31 14:32:29,697 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-01-31 14:32:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:29,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:29,700 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:29,700 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:29,700 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:29,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:29,701 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 [2019-01-31 14:32:29,709 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:32:29,709 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:32:29,733 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:32:29,733 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:32:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:29,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:30,572 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 [2019-01-31 14:32:30,575 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:30,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:30,581 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:32:30,584 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:30,584 WARN L398 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)) [2019-01-31 14:32:30,584 WARN L399 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)) [2019-01-31 14:32:30,647 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 [2019-01-31 14:32:30,648 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 [2019-01-31 14:32:30,648 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 [2019-01-31 14:32:30,648 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 [2019-01-31 14:32:30,648 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 [2019-01-31 14:32:30,648 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 [2019-01-31 14:32:30,648 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 [2019-01-31 14:32:30,648 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,649 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 [2019-01-31 14:32:30,650 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 [2019-01-31 14:32:30,651 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 [2019-01-31 14:32:30,651 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 [2019-01-31 14:32:30,652 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 [2019-01-31 14:32:30,653 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 [2019-01-31 14:32:30,654 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 [2019-01-31 14:32:30,655 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 [2019-01-31 14:32:30,656 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 [2019-01-31 14:32:30,657 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 [2019-01-31 14:32:30,658 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 [2019-01-31 14:32:30,659 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 [2019-01-31 14:32:30,660 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 [2019-01-31 14:32:30,661 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 [2019-01-31 14:32:30,662 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 [2019-01-31 14:32:30,663 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 [2019-01-31 14:32:30,664 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 [2019-01-31 14:32:30,665 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 [2019-01-31 14:32:30,667 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 [2019-01-31 14:32:30,667 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-01-31 14:32:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-31 14:32:30,670 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:30,766 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 [2019-01-31 14:32:30,768 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:30,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:30,780 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:32:30,783 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:30,783 WARN L398 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)) [2019-01-31 14:32:30,783 WARN L399 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)) [2019-01-31 14:32:31,787 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-01-31 14:32:31,788 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 [2019-01-31 14:32:31,790 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 [2019-01-31 14:32:31,791 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 [2019-01-31 14:32:31,792 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 [2019-01-31 14:32:31,793 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 [2019-01-31 14:32:31,794 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 [2019-01-31 14:32:31,796 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 [2019-01-31 14:32:31,797 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 [2019-01-31 14:32:31,798 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 [2019-01-31 14:32:31,799 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 [2019-01-31 14:32:31,800 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 [2019-01-31 14:32:31,801 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 [2019-01-31 14:32:31,803 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 [2019-01-31 14:32:31,804 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 [2019-01-31 14:32:31,805 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 [2019-01-31 14:32:31,806 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 [2019-01-31 14:32:31,807 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 [2019-01-31 14:32:31,808 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 [2019-01-31 14:32:31,808 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 [2019-01-31 14:32:31,809 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 [2019-01-31 14:32:31,809 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 [2019-01-31 14:32:31,809 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 [2019-01-31 14:32:31,809 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 [2019-01-31 14:32:31,809 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 [2019-01-31 14:32:31,810 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 [2019-01-31 14:32:31,810 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 [2019-01-31 14:32:31,810 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 [2019-01-31 14:32:31,810 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 [2019-01-31 14:32:31,810 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 [2019-01-31 14:32:31,811 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 [2019-01-31 14:32:31,811 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 [2019-01-31 14:32:31,811 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 [2019-01-31 14:32:31,811 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 [2019-01-31 14:32:31,811 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 [2019-01-31 14:32:31,811 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 [2019-01-31 14:32:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-31 14:32:31,833 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:31,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 19, 19] total 70 [2019-01-31 14:32:31,833 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:31,833 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2019-01-31 14:32:31,833 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:31,833 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states. [2019-01-31 14:32:31,890 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:31,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2019-01-31 14:32:31,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2019-01-31 14:32:31,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=4148, Unknown=0, NotChecked=0, Total=4830 [2019-01-31 14:32:31,892 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 53 states. [2019-01-31 14:32:38,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:38,976 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2019-01-31 14:32:38,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2019-01-31 14:32:38,977 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2019-01-31 14:32:38,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-31 14:32:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2019-01-31 14:32:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-31 14:32:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2019-01-31 14:32:38,978 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 63 transitions. [2019-01-31 14:32:39,054 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:39,054 INFO L225 Difference]: With dead ends: 59 [2019-01-31 14:32:39,055 INFO L226 Difference]: Without dead ends: 39 [2019-01-31 14:32:39,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1147, Invalid=7043, Unknown=0, NotChecked=0, Total=8190 [2019-01-31 14:32:39,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-01-31 14:32:39,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-01-31 14:32:39,573 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:39,573 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2019-01-31 14:32:39,574 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2019-01-31 14:32:39,574 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2019-01-31 14:32:39,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:39,575 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-01-31 14:32:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-01-31 14:32:39,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:39,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:39,576 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2019-01-31 14:32:39,576 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2019-01-31 14:32:39,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:39,577 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-01-31 14:32:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-01-31 14:32:39,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:39,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:39,577 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:39,577 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-31 14:32:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-01-31 14:32:39,578 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 36 [2019-01-31 14:32:39,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:39,578 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-01-31 14:32:39,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2019-01-31 14:32:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-01-31 14:32:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-31 14:32:39,579 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:39,579 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 1, 1, 1, 1] [2019-01-31 14:32:39,579 INFO L423 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:39,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:39,579 INFO L82 PathProgramCache]: Analyzing trace with hash -392102219, now seen corresponding path program 25 times [2019-01-31 14:32:39,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:39,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:39,580 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:32:39,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:39,580 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:40,919 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 [2019-01-31 14:32:40,920 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 [2019-01-31 14:32:40,921 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 [2019-01-31 14:32:40,922 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 [2019-01-31 14:32:40,923 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 [2019-01-31 14:32:40,924 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 [2019-01-31 14:32:40,925 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 [2019-01-31 14:32:40,926 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 [2019-01-31 14:32:40,927 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 [2019-01-31 14:32:40,928 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 [2019-01-31 14:32:40,930 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 [2019-01-31 14:32:40,931 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 [2019-01-31 14:32:40,932 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 [2019-01-31 14:32:40,933 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 [2019-01-31 14:32:40,934 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 [2019-01-31 14:32:40,935 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 [2019-01-31 14:32:40,936 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 [2019-01-31 14:32:40,937 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 [2019-01-31 14:32:40,938 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 [2019-01-31 14:32:40,939 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 [2019-01-31 14:32:40,940 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 [2019-01-31 14:32:40,941 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 [2019-01-31 14:32:40,942 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 [2019-01-31 14:32:40,956 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 [2019-01-31 14:32:40,957 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 [2019-01-31 14:32:40,957 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 [2019-01-31 14:32:40,958 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 [2019-01-31 14:32:40,959 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 [2019-01-31 14:32:40,960 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 [2019-01-31 14:32:40,961 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 [2019-01-31 14:32:40,962 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 [2019-01-31 14:32:40,963 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 [2019-01-31 14:32:40,964 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 [2019-01-31 14:32:40,965 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 [2019-01-31 14:32:40,966 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 [2019-01-31 14:32:40,967 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 [2019-01-31 14:32:40,968 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 [2019-01-31 14:32:40,969 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-01-31 14:32:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:40,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:40,972 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:40,972 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:40,972 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:40,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:40,972 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 [2019-01-31 14:32:40,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:32:40,980 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:32:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:41,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:42,244 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 [2019-01-31 14:32:42,246 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:42,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:42,252 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:32:42,255 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:42,255 WARN L398 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)) [2019-01-31 14:32:42,255 WARN L399 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)) [2019-01-31 14:32:42,312 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 [2019-01-31 14:32:42,313 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 [2019-01-31 14:32:42,314 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 [2019-01-31 14:32:42,315 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 [2019-01-31 14:32:42,316 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 [2019-01-31 14:32:42,317 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 [2019-01-31 14:32:42,318 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 [2019-01-31 14:32:42,319 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 [2019-01-31 14:32:42,320 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 [2019-01-31 14:32:42,321 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 [2019-01-31 14:32:42,322 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 [2019-01-31 14:32:42,323 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 [2019-01-31 14:32:42,324 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 [2019-01-31 14:32:42,325 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 [2019-01-31 14:32:42,326 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 [2019-01-31 14:32:42,327 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 [2019-01-31 14:32:42,328 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 [2019-01-31 14:32:42,329 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 [2019-01-31 14:32:42,330 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 [2019-01-31 14:32:42,331 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 [2019-01-31 14:32:42,332 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 [2019-01-31 14:32:42,333 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 [2019-01-31 14:32:42,334 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 [2019-01-31 14:32:42,335 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 [2019-01-31 14:32:42,336 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 [2019-01-31 14:32:42,336 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 [2019-01-31 14:32:42,337 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 [2019-01-31 14:32:42,338 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 [2019-01-31 14:32:42,339 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 [2019-01-31 14:32:42,340 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 [2019-01-31 14:32:42,341 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 [2019-01-31 14:32:42,342 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 [2019-01-31 14:32:42,342 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 [2019-01-31 14:32:42,343 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 [2019-01-31 14:32:42,344 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 [2019-01-31 14:32:42,345 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 [2019-01-31 14:32:42,346 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 [2019-01-31 14:32:42,347 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-01-31 14:32:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:42,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:42,383 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 [2019-01-31 14:32:42,385 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:42,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:42,389 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:32:42,391 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:42,391 WARN L398 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))))) [2019-01-31 14:32:42,392 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:32:42,721 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-01-31 14:32:42,723 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 [2019-01-31 14:32:42,724 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 [2019-01-31 14:32:42,725 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 [2019-01-31 14:32:42,726 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 [2019-01-31 14:32:42,727 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 [2019-01-31 14:32:42,728 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 [2019-01-31 14:32:42,729 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 [2019-01-31 14:32:42,730 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 [2019-01-31 14:32:42,731 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 [2019-01-31 14:32:42,732 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 [2019-01-31 14:32:42,733 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 [2019-01-31 14:32:42,734 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 [2019-01-31 14:32:42,735 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 [2019-01-31 14:32:42,736 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 [2019-01-31 14:32:42,737 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 [2019-01-31 14:32:42,738 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 [2019-01-31 14:32:42,739 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 [2019-01-31 14:32:42,740 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 [2019-01-31 14:32:42,741 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 [2019-01-31 14:32:42,742 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 [2019-01-31 14:32:42,743 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 [2019-01-31 14:32:42,744 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 [2019-01-31 14:32:42,745 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 [2019-01-31 14:32:42,746 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 [2019-01-31 14:32:42,748 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 [2019-01-31 14:32:42,749 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 [2019-01-31 14:32:42,750 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 [2019-01-31 14:32:42,751 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 [2019-01-31 14:32:42,753 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 [2019-01-31 14:32:42,754 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 [2019-01-31 14:32:42,755 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 [2019-01-31 14:32:42,756 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 [2019-01-31 14:32:42,757 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 [2019-01-31 14:32:42,758 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 [2019-01-31 14:32:42,759 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 [2019-01-31 14:32:42,760 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 [2019-01-31 14:32:42,761 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 [2019-01-31 14:32:42,764 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:42,784 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:42,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 57 [2019-01-31 14:32:42,785 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:42,785 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2019-01-31 14:32:42,785 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:42,785 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 58 states. [2019-01-31 14:32:42,844 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:42,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 58 states [2019-01-31 14:32:42,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2019-01-31 14:32:42,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=3137, Unknown=0, NotChecked=0, Total=3306 [2019-01-31 14:32:42,845 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 58 states. [2019-01-31 14:32:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:49,467 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-31 14:32:49,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-01-31 14:32:49,467 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2019-01-31 14:32:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-31 14:32:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-01-31 14:32:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-31 14:32:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-01-31 14:32:49,469 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 46 transitions. [2019-01-31 14:32:49,594 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:49,595 INFO L225 Difference]: With dead ends: 60 [2019-01-31 14:32:49,595 INFO L226 Difference]: Without dead ends: 40 [2019-01-31 14:32:49,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 43 SyntacticMatches, 12 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=358, Invalid=5648, Unknown=0, NotChecked=0, Total=6006 [2019-01-31 14:32:49,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-31 14:32:50,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-01-31 14:32:50,142 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:50,142 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 40 states. [2019-01-31 14:32:50,142 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2019-01-31 14:32:50,142 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2019-01-31 14:32:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:50,144 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-01-31 14:32:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-01-31 14:32:50,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:50,144 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:50,144 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2019-01-31 14:32:50,144 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2019-01-31 14:32:50,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:50,145 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-01-31 14:32:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-01-31 14:32:50,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:50,146 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:50,146 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:50,146 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-31 14:32:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-01-31 14:32:50,147 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 38 [2019-01-31 14:32:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:50,147 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-01-31 14:32:50,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 58 states. [2019-01-31 14:32:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-01-31 14:32:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-31 14:32:50,148 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:50,148 INFO L402 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1, 1] [2019-01-31 14:32:50,148 INFO L423 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:50,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:50,148 INFO L82 PathProgramCache]: Analyzing trace with hash 536887468, now seen corresponding path program 26 times [2019-01-31 14:32:50,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:50,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:50,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:32:50,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:50,149 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:50,605 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 [2019-01-31 14:32:50,606 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 [2019-01-31 14:32:50,607 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 [2019-01-31 14:32:50,608 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 [2019-01-31 14:32:50,609 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 [2019-01-31 14:32:50,610 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 [2019-01-31 14:32:50,611 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 [2019-01-31 14:32:50,612 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 [2019-01-31 14:32:50,613 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 [2019-01-31 14:32:50,614 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 [2019-01-31 14:32:50,615 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 [2019-01-31 14:32:50,616 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 [2019-01-31 14:32:50,617 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 [2019-01-31 14:32:50,617 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 [2019-01-31 14:32:50,618 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 [2019-01-31 14:32:50,619 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 [2019-01-31 14:32:50,620 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 [2019-01-31 14:32:50,621 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 [2019-01-31 14:32:50,622 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 [2019-01-31 14:32:50,623 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 [2019-01-31 14:32:50,624 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 [2019-01-31 14:32:50,625 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 [2019-01-31 14:32:50,626 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 [2019-01-31 14:32:50,627 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 [2019-01-31 14:32:50,628 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 [2019-01-31 14:32:50,629 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 [2019-01-31 14:32:50,630 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 [2019-01-31 14:32:50,631 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 [2019-01-31 14:32:50,631 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 [2019-01-31 14:32:50,632 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 [2019-01-31 14:32:50,633 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 [2019-01-31 14:32:50,634 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 [2019-01-31 14:32:50,635 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 [2019-01-31 14:32:50,636 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 [2019-01-31 14:32:50,637 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 [2019-01-31 14:32:50,638 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 [2019-01-31 14:32:50,639 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 [2019-01-31 14:32:50,639 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 [2019-01-31 14:32:50,640 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-01-31 14:32:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:50,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:50,642 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:50,643 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:50,643 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:50,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:50,643 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 [2019-01-31 14:32:50,652 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:32:50,652 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:32:50,712 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-01-31 14:32:50,712 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:32:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:50,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:50,917 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 [2019-01-31 14:32:50,919 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 [2019-01-31 14:32:50,920 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 [2019-01-31 14:32:50,921 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 [2019-01-31 14:32:50,921 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 [2019-01-31 14:32:50,922 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 [2019-01-31 14:32:50,923 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 [2019-01-31 14:32:50,924 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 [2019-01-31 14:32:50,925 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 [2019-01-31 14:32:50,926 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 [2019-01-31 14:32:50,927 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 [2019-01-31 14:32:50,928 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 [2019-01-31 14:32:50,929 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 [2019-01-31 14:32:50,930 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 [2019-01-31 14:32:50,931 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 [2019-01-31 14:32:50,932 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 [2019-01-31 14:32:50,933 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 [2019-01-31 14:32:50,934 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 [2019-01-31 14:32:50,935 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 [2019-01-31 14:32:50,936 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 [2019-01-31 14:32:50,936 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 [2019-01-31 14:32:50,937 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 [2019-01-31 14:32:50,938 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 [2019-01-31 14:32:50,939 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 [2019-01-31 14:32:50,940 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 [2019-01-31 14:32:50,941 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 [2019-01-31 14:32:50,942 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 [2019-01-31 14:32:50,943 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 [2019-01-31 14:32:50,944 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 [2019-01-31 14:32:50,945 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 [2019-01-31 14:32:50,946 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 [2019-01-31 14:32:50,947 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 [2019-01-31 14:32:50,948 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 [2019-01-31 14:32:50,949 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 [2019-01-31 14:32:50,949 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 [2019-01-31 14:32:50,950 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 [2019-01-31 14:32:50,951 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 [2019-01-31 14:32:50,952 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 [2019-01-31 14:32:50,952 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-01-31 14:32:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:50,955 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:51,434 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-01-31 14:32:51,435 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 [2019-01-31 14:32:51,436 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 [2019-01-31 14:32:51,437 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 [2019-01-31 14:32:51,438 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 [2019-01-31 14:32:51,438 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 [2019-01-31 14:32:51,439 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 [2019-01-31 14:32:51,440 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 [2019-01-31 14:32:51,441 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 [2019-01-31 14:32:51,442 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 [2019-01-31 14:32:51,443 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 [2019-01-31 14:32:51,444 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 [2019-01-31 14:32:51,445 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 [2019-01-31 14:32:51,446 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 [2019-01-31 14:32:51,447 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 [2019-01-31 14:32:51,448 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 [2019-01-31 14:32:51,449 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 [2019-01-31 14:32:51,450 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 [2019-01-31 14:32:51,451 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 [2019-01-31 14:32:51,452 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 [2019-01-31 14:32:51,453 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 [2019-01-31 14:32:51,454 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 [2019-01-31 14:32:51,454 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 [2019-01-31 14:32:51,455 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 [2019-01-31 14:32:51,456 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 [2019-01-31 14:32:51,457 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 [2019-01-31 14:32:51,458 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 [2019-01-31 14:32:51,459 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 [2019-01-31 14:32:51,460 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 [2019-01-31 14:32:51,461 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 [2019-01-31 14:32:51,462 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 [2019-01-31 14:32:51,463 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 [2019-01-31 14:32:51,464 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 [2019-01-31 14:32:51,465 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 [2019-01-31 14:32:51,466 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 [2019-01-31 14:32:51,467 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 [2019-01-31 14:32:51,467 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 [2019-01-31 14:32:51,468 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 [2019-01-31 14:32:51,469 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 [2019-01-31 14:32:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:51,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:51,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 20 [2019-01-31 14:32:51,491 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:51,491 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2019-01-31 14:32:51,491 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:51,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states. [2019-01-31 14:32:51,538 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:51,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-01-31 14:32:51,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-01-31 14:32:51,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2019-01-31 14:32:51,539 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 21 states. [2019-01-31 14:32:52,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:52,639 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-01-31 14:32:52,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-01-31 14:32:52,639 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2019-01-31 14:32:52,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:32:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-31 14:32:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2019-01-31 14:32:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-31 14:32:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2019-01-31 14:32:52,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 44 transitions. [2019-01-31 14:32:52,683 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:52,684 INFO L225 Difference]: With dead ends: 43 [2019-01-31 14:32:52,684 INFO L226 Difference]: Without dead ends: 41 [2019-01-31 14:32:52,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 59 SyntacticMatches, 36 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=570, Invalid=912, Unknown=0, NotChecked=0, Total=1482 [2019-01-31 14:32:52,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-01-31 14:32:53,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-01-31 14:32:53,275 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:32:53,275 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2019-01-31 14:32:53,275 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2019-01-31 14:32:53,275 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2019-01-31 14:32:53,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:53,276 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-01-31 14:32:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-01-31 14:32:53,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:53,277 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:53,277 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2019-01-31 14:32:53,278 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2019-01-31 14:32:53,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:32:53,278 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-01-31 14:32:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-01-31 14:32:53,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:32:53,279 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:32:53,279 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:32:53,279 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:32:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-31 14:32:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2019-01-31 14:32:53,279 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 39 [2019-01-31 14:32:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:32:53,279 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2019-01-31 14:32:53,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-01-31 14:32:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-01-31 14:32:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-31 14:32:53,280 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:32:53,280 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 1, 1, 1, 1] [2019-01-31 14:32:53,280 INFO L423 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:32:53,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:32:53,280 INFO L82 PathProgramCache]: Analyzing trace with hash -536355862, now seen corresponding path program 27 times [2019-01-31 14:32:53,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:32:53,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:53,281 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:32:53,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:32:53,282 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:32:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:55,021 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 [2019-01-31 14:32:55,022 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 [2019-01-31 14:32:55,023 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 [2019-01-31 14:32:55,024 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 [2019-01-31 14:32:55,025 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 [2019-01-31 14:32:55,026 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 [2019-01-31 14:32:55,027 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 [2019-01-31 14:32:55,028 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 [2019-01-31 14:32:55,029 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 [2019-01-31 14:32:55,030 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 [2019-01-31 14:32:55,031 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 [2019-01-31 14:32:55,033 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 [2019-01-31 14:32:55,034 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 [2019-01-31 14:32:55,035 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 [2019-01-31 14:32:55,036 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 [2019-01-31 14:32:55,037 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 [2019-01-31 14:32:55,038 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 [2019-01-31 14:32:55,039 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 [2019-01-31 14:32:55,040 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 [2019-01-31 14:32:55,041 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 [2019-01-31 14:32:55,042 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 [2019-01-31 14:32:55,043 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 [2019-01-31 14:32:55,044 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 [2019-01-31 14:32:55,045 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 [2019-01-31 14:32:55,046 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 [2019-01-31 14:32:55,047 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 [2019-01-31 14:32:55,048 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 [2019-01-31 14:32:55,049 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 [2019-01-31 14:32:55,050 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 [2019-01-31 14:32:55,051 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 [2019-01-31 14:32:55,052 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 [2019-01-31 14:32:55,053 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 [2019-01-31 14:32:55,054 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 [2019-01-31 14:32:55,055 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 [2019-01-31 14:32:55,056 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 [2019-01-31 14:32:55,057 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 [2019-01-31 14:32:55,058 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 [2019-01-31 14:32:55,059 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 [2019-01-31 14:32:55,061 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 [2019-01-31 14:32:55,061 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-01-31 14:32:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:32:55,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:55,065 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:32:55,065 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:32:55,065 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:32:55,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:32:55,065 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 [2019-01-31 14:32:55,076 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:32:55,076 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:32:55,102 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:32:55,102 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:32:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:32:55,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:32:56,092 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 [2019-01-31 14:32:56,094 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:56,101 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:56,101 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:32:56,104 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:32:56,104 WARN L398 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)) [2019-01-31 14:32:56,105 WARN L399 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)) [2019-01-31 14:32:56,174 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 [2019-01-31 14:32:56,175 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 [2019-01-31 14:32:56,175 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 [2019-01-31 14:32:56,175 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 [2019-01-31 14:32:56,175 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 [2019-01-31 14:32:56,176 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 [2019-01-31 14:32:56,176 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 [2019-01-31 14:32:56,176 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 [2019-01-31 14:32:56,176 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 [2019-01-31 14:32:56,176 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 [2019-01-31 14:32:56,177 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 [2019-01-31 14:32:56,177 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 [2019-01-31 14:32:56,177 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 [2019-01-31 14:32:56,177 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 [2019-01-31 14:32:56,177 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 [2019-01-31 14:32:56,177 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 [2019-01-31 14:32:56,177 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 [2019-01-31 14:32:56,178 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 [2019-01-31 14:32:56,178 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 [2019-01-31 14:32:56,178 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 [2019-01-31 14:32:56,179 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 [2019-01-31 14:32:56,180 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 [2019-01-31 14:32:56,180 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 [2019-01-31 14:32:56,181 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 [2019-01-31 14:32:56,182 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 [2019-01-31 14:32:56,182 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 [2019-01-31 14:32:56,183 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 [2019-01-31 14:32:56,185 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 [2019-01-31 14:32:56,186 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 [2019-01-31 14:32:56,187 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 [2019-01-31 14:32:56,188 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 [2019-01-31 14:32:56,189 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 [2019-01-31 14:32:56,190 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 [2019-01-31 14:32:56,191 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 [2019-01-31 14:32:56,192 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 [2019-01-31 14:32:56,193 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 [2019-01-31 14:32:56,194 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 [2019-01-31 14:32:56,195 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 [2019-01-31 14:32:56,197 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 [2019-01-31 14:32:56,197 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-01-31 14:32:56,200 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-01-31 14:32:56,201 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:32:56,303 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 [2019-01-31 14:32:56,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:32:56,321 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:32:56,322 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:32:57,628 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-01-31 14:32:57,630 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 [2019-01-31 14:32:57,631 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 [2019-01-31 14:32:57,632 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 [2019-01-31 14:32:57,633 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 [2019-01-31 14:32:57,635 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 [2019-01-31 14:32:57,636 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 [2019-01-31 14:32:57,637 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 [2019-01-31 14:32:57,638 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 [2019-01-31 14:32:57,639 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 [2019-01-31 14:32:57,640 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 [2019-01-31 14:32:57,642 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 [2019-01-31 14:32:57,643 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 [2019-01-31 14:32:57,644 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 [2019-01-31 14:32:57,645 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 [2019-01-31 14:32:57,646 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 [2019-01-31 14:32:57,647 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 [2019-01-31 14:32:57,649 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 [2019-01-31 14:32:57,650 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 [2019-01-31 14:32:57,651 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 [2019-01-31 14:32:57,652 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 [2019-01-31 14:32:57,652 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 [2019-01-31 14:32:57,652 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 [2019-01-31 14:32:57,653 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 [2019-01-31 14:32:57,653 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 [2019-01-31 14:32:57,653 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 [2019-01-31 14:32:57,653 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 [2019-01-31 14:32:57,653 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 [2019-01-31 14:32:57,654 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 [2019-01-31 14:32:57,654 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 [2019-01-31 14:32:57,654 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 [2019-01-31 14:32:57,654 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 [2019-01-31 14:32:57,654 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 [2019-01-31 14:32:57,655 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 [2019-01-31 14:32:57,655 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 [2019-01-31 14:32:57,655 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 [2019-01-31 14:32:57,655 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 [2019-01-31 14:32:57,655 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 [2019-01-31 14:32:57,655 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 [2019-01-31 14:32:57,655 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 [2019-01-31 14:32:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-01-31 14:32:57,676 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:32:57,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 21, 21] total 78 [2019-01-31 14:32:57,677 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:32:57,677 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2019-01-31 14:32:57,677 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:32:57,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states. [2019-01-31 14:32:57,738 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:32:57,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-01-31 14:32:57,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-01-31 14:32:57,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=838, Invalid=5168, Unknown=0, NotChecked=0, Total=6006 [2019-01-31 14:32:57,739 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 59 states. [2019-01-31 14:33:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:06,371 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2019-01-31 14:33:06,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-01-31 14:33:06,371 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2019-01-31 14:33:06,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:33:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-31 14:33:06,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2019-01-31 14:33:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-31 14:33:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2019-01-31 14:33:06,374 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states and 69 transitions. [2019-01-31 14:33:06,456 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:06,456 INFO L225 Difference]: With dead ends: 65 [2019-01-31 14:33:06,457 INFO L226 Difference]: Without dead ends: 43 [2019-01-31 14:33:06,458 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 [2019-01-31 14:33:06,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-31 14:33:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-31 14:33:07,125 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:33:07,125 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2019-01-31 14:33:07,125 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2019-01-31 14:33:07,126 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2019-01-31 14:33:07,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:07,127 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-01-31 14:33:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-01-31 14:33:07,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:07,127 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:07,127 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2019-01-31 14:33:07,128 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2019-01-31 14:33:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:07,128 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-01-31 14:33:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-01-31 14:33:07,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:07,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:07,129 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:33:07,129 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:33:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-31 14:33:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2019-01-31 14:33:07,130 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 40 [2019-01-31 14:33:07,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:33:07,130 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2019-01-31 14:33:07,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-01-31 14:33:07,131 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-01-31 14:33:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-31 14:33:07,131 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:33:07,131 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 1, 1, 1, 1] [2019-01-31 14:33:07,131 INFO L423 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:33:07,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:33:07,132 INFO L82 PathProgramCache]: Analyzing trace with hash -684650731, now seen corresponding path program 28 times [2019-01-31 14:33:07,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:33:07,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:07,132 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:33:07,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:07,133 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:33:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:08,513 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 [2019-01-31 14:33:08,514 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 [2019-01-31 14:33:08,516 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 [2019-01-31 14:33:08,517 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 [2019-01-31 14:33:08,518 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 [2019-01-31 14:33:08,519 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 [2019-01-31 14:33:08,520 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 [2019-01-31 14:33:08,521 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 [2019-01-31 14:33:08,522 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 [2019-01-31 14:33:08,523 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 [2019-01-31 14:33:08,524 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 [2019-01-31 14:33:08,525 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 [2019-01-31 14:33:08,526 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 [2019-01-31 14:33:08,527 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 [2019-01-31 14:33:08,528 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 [2019-01-31 14:33:08,529 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 [2019-01-31 14:33:08,530 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 [2019-01-31 14:33:08,531 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 [2019-01-31 14:33:08,532 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 [2019-01-31 14:33:08,533 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 [2019-01-31 14:33:08,534 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 [2019-01-31 14:33:08,535 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 [2019-01-31 14:33:08,536 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 [2019-01-31 14:33:08,537 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 [2019-01-31 14:33:08,538 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 [2019-01-31 14:33:08,539 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 [2019-01-31 14:33:08,540 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 [2019-01-31 14:33:08,541 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 [2019-01-31 14:33:08,542 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 [2019-01-31 14:33:08,543 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 [2019-01-31 14:33:08,544 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 [2019-01-31 14:33:08,545 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 [2019-01-31 14:33:08,547 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 [2019-01-31 14:33:08,548 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 [2019-01-31 14:33:08,549 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 [2019-01-31 14:33:08,550 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 [2019-01-31 14:33:08,551 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 [2019-01-31 14:33:08,552 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 [2019-01-31 14:33:08,553 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 [2019-01-31 14:33:08,554 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 [2019-01-31 14:33:08,555 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 [2019-01-31 14:33:08,555 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-01-31 14:33:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:08,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:08,559 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:33:08,559 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:33:08,559 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:33:08,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:08,560 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 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 [2019-01-31 14:33:08,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:33:08,569 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:33:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:08,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:33:10,115 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 [2019-01-31 14:33:10,117 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:33:10,122 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:33:10,123 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:33:10,125 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:33:10,125 WARN L398 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)) [2019-01-31 14:33:10,125 WARN L399 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)) [2019-01-31 14:33:10,189 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 [2019-01-31 14:33:10,190 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 [2019-01-31 14:33:10,191 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 [2019-01-31 14:33:10,192 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 [2019-01-31 14:33:10,193 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 [2019-01-31 14:33:10,194 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 [2019-01-31 14:33:10,195 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 [2019-01-31 14:33:10,196 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 [2019-01-31 14:33:10,197 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 [2019-01-31 14:33:10,200 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 [2019-01-31 14:33:10,201 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 [2019-01-31 14:33:10,201 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 [2019-01-31 14:33:10,202 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 [2019-01-31 14:33:10,202 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 [2019-01-31 14:33:10,203 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 [2019-01-31 14:33:10,204 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 [2019-01-31 14:33:10,205 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 [2019-01-31 14:33:10,206 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 [2019-01-31 14:33:10,207 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 [2019-01-31 14:33:10,208 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 [2019-01-31 14:33:10,209 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 [2019-01-31 14:33:10,210 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 [2019-01-31 14:33:10,211 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 [2019-01-31 14:33:10,212 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 [2019-01-31 14:33:10,212 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 [2019-01-31 14:33:10,213 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 [2019-01-31 14:33:10,214 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 [2019-01-31 14:33:10,215 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 [2019-01-31 14:33:10,216 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 [2019-01-31 14:33:10,217 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 [2019-01-31 14:33:10,218 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 [2019-01-31 14:33:10,219 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 [2019-01-31 14:33:10,219 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 [2019-01-31 14:33:10,220 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 [2019-01-31 14:33:10,221 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 [2019-01-31 14:33:10,222 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 [2019-01-31 14:33:10,223 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 [2019-01-31 14:33:10,224 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 [2019-01-31 14:33:10,225 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 [2019-01-31 14:33:10,226 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 [2019-01-31 14:33:10,227 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 [2019-01-31 14:33:10,227 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-01-31 14:33:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:10,233 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:33:10,263 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 [2019-01-31 14:33:10,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:33:10,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:33:10,268 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:33:10,270 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:33:10,270 WARN L398 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))))) [2019-01-31 14:33:10,271 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:33:10,703 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-01-31 14:33:10,704 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 [2019-01-31 14:33:10,705 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 [2019-01-31 14:33:10,706 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 [2019-01-31 14:33:10,707 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 [2019-01-31 14:33:10,708 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 [2019-01-31 14:33:10,709 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 [2019-01-31 14:33:10,710 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 [2019-01-31 14:33:10,711 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 [2019-01-31 14:33:10,712 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 [2019-01-31 14:33:10,713 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 [2019-01-31 14:33:10,714 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 [2019-01-31 14:33:10,715 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 [2019-01-31 14:33:10,716 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 [2019-01-31 14:33:10,724 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 [2019-01-31 14:33:10,725 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 [2019-01-31 14:33:10,725 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 [2019-01-31 14:33:10,726 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 [2019-01-31 14:33:10,727 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 [2019-01-31 14:33:10,728 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 [2019-01-31 14:33:10,729 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 [2019-01-31 14:33:10,730 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 [2019-01-31 14:33:10,731 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 [2019-01-31 14:33:10,732 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 [2019-01-31 14:33:10,733 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 [2019-01-31 14:33:10,734 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 [2019-01-31 14:33:10,735 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 [2019-01-31 14:33:10,736 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 [2019-01-31 14:33:10,737 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 [2019-01-31 14:33:10,738 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 [2019-01-31 14:33:10,739 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 [2019-01-31 14:33:10,740 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 [2019-01-31 14:33:10,741 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 [2019-01-31 14:33:10,742 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 [2019-01-31 14:33:10,743 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 [2019-01-31 14:33:10,744 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 [2019-01-31 14:33:10,745 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 [2019-01-31 14:33:10,746 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 [2019-01-31 14:33:10,747 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 [2019-01-31 14:33:10,748 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 [2019-01-31 14:33:10,749 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 [2019-01-31 14:33:10,750 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 [2019-01-31 14:33:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:10,773 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:33:10,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 63 [2019-01-31 14:33:10,773 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:33:10,773 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2019-01-31 14:33:10,773 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:33:10,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 64 states. [2019-01-31 14:33:10,839 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:10,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 64 states [2019-01-31 14:33:10,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2019-01-31 14:33:10,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3845, Unknown=0, NotChecked=0, Total=4032 [2019-01-31 14:33:10,840 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 64 states. [2019-01-31 14:33:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:18,954 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2019-01-31 14:33:18,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-01-31 14:33:18,955 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2019-01-31 14:33:18,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:33:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-31 14:33:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-01-31 14:33:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-31 14:33:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-01-31 14:33:18,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 45 states and 50 transitions. [2019-01-31 14:33:19,107 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:19,107 INFO L225 Difference]: With dead ends: 66 [2019-01-31 14:33:19,108 INFO L226 Difference]: Without dead ends: 44 [2019-01-31 14:33:19,109 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 [2019-01-31 14:33:19,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-31 14:33:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-01-31 14:33:19,952 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:33:19,952 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 44 states. [2019-01-31 14:33:19,952 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2019-01-31 14:33:19,952 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2019-01-31 14:33:19,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:19,953 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-01-31 14:33:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-01-31 14:33:19,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:19,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:19,954 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2019-01-31 14:33:19,954 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2019-01-31 14:33:19,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:19,955 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-01-31 14:33:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-01-31 14:33:19,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:19,956 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:19,956 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:33:19,956 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:33:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-01-31 14:33:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2019-01-31 14:33:19,957 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 42 [2019-01-31 14:33:19,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:33:19,957 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2019-01-31 14:33:19,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 64 states. [2019-01-31 14:33:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-01-31 14:33:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-01-31 14:33:19,958 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:33:19,958 INFO L402 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1, 1] [2019-01-31 14:33:19,958 INFO L423 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:33:19,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:33:19,958 INFO L82 PathProgramCache]: Analyzing trace with hash -392135284, now seen corresponding path program 29 times [2019-01-31 14:33:19,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:33:19,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:19,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:33:19,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:19,959 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:33:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:20,378 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 [2019-01-31 14:33:20,379 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 [2019-01-31 14:33:20,380 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 [2019-01-31 14:33:20,381 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 [2019-01-31 14:33:20,382 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 [2019-01-31 14:33:20,383 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 [2019-01-31 14:33:20,384 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 [2019-01-31 14:33:20,385 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 [2019-01-31 14:33:20,386 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 [2019-01-31 14:33:20,387 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 [2019-01-31 14:33:20,388 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 [2019-01-31 14:33:20,389 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 [2019-01-31 14:33:20,390 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 [2019-01-31 14:33:20,390 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 [2019-01-31 14:33:20,391 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 [2019-01-31 14:33:20,392 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 [2019-01-31 14:33:20,393 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 [2019-01-31 14:33:20,394 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 [2019-01-31 14:33:20,395 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 [2019-01-31 14:33:20,396 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 [2019-01-31 14:33:20,397 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 [2019-01-31 14:33:20,398 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 [2019-01-31 14:33:20,399 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 [2019-01-31 14:33:20,400 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 [2019-01-31 14:33:20,401 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 [2019-01-31 14:33:20,402 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 [2019-01-31 14:33:20,403 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 [2019-01-31 14:33:20,404 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 [2019-01-31 14:33:20,405 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 [2019-01-31 14:33:20,405 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 [2019-01-31 14:33:20,406 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 [2019-01-31 14:33:20,407 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 [2019-01-31 14:33:20,408 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 [2019-01-31 14:33:20,409 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 [2019-01-31 14:33:20,410 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 [2019-01-31 14:33:20,411 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 [2019-01-31 14:33:20,412 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 [2019-01-31 14:33:20,413 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 [2019-01-31 14:33:20,414 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 [2019-01-31 14:33:20,415 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 [2019-01-31 14:33:20,416 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 [2019-01-31 14:33:20,416 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 [2019-01-31 14:33:20,417 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-01-31 14:33:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:20,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:20,420 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:33:20,420 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:33:20,420 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:33:20,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:20,420 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 [2019-01-31 14:33:20,428 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:33:20,428 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:33:20,505 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-01-31 14:33:20,505 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:33:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:20,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:33:20,743 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 [2019-01-31 14:33:20,744 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 [2019-01-31 14:33:20,745 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 [2019-01-31 14:33:20,746 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 [2019-01-31 14:33:20,747 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 [2019-01-31 14:33:20,748 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 [2019-01-31 14:33:20,749 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 [2019-01-31 14:33:20,750 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 [2019-01-31 14:33:20,751 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 [2019-01-31 14:33:20,752 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 [2019-01-31 14:33:20,753 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 [2019-01-31 14:33:20,754 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 [2019-01-31 14:33:20,755 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 [2019-01-31 14:33:20,756 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 [2019-01-31 14:33:20,756 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 [2019-01-31 14:33:20,757 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 [2019-01-31 14:33:20,758 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 [2019-01-31 14:33:20,759 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 [2019-01-31 14:33:20,760 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 [2019-01-31 14:33:20,761 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 [2019-01-31 14:33:20,762 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 [2019-01-31 14:33:20,763 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 [2019-01-31 14:33:20,764 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 [2019-01-31 14:33:20,765 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 [2019-01-31 14:33:20,766 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 [2019-01-31 14:33:20,767 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 [2019-01-31 14:33:20,768 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 [2019-01-31 14:33:20,769 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 [2019-01-31 14:33:20,770 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 [2019-01-31 14:33:20,770 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 [2019-01-31 14:33:20,771 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 [2019-01-31 14:33:20,772 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 [2019-01-31 14:33:20,773 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 [2019-01-31 14:33:20,774 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 [2019-01-31 14:33:20,775 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 [2019-01-31 14:33:20,776 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 [2019-01-31 14:33:20,777 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 [2019-01-31 14:33:20,778 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 [2019-01-31 14:33:20,779 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 [2019-01-31 14:33:20,780 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 [2019-01-31 14:33:20,781 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 [2019-01-31 14:33:20,781 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 [2019-01-31 14:33:20,781 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-01-31 14:33:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:20,784 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:33:21,380 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-01-31 14:33:21,381 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 [2019-01-31 14:33:21,381 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 [2019-01-31 14:33:21,382 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 [2019-01-31 14:33:21,382 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 [2019-01-31 14:33:21,383 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 [2019-01-31 14:33:21,384 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 [2019-01-31 14:33:21,384 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 [2019-01-31 14:33:21,385 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 [2019-01-31 14:33:21,386 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 [2019-01-31 14:33:21,387 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 [2019-01-31 14:33:21,388 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 [2019-01-31 14:33:21,389 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 [2019-01-31 14:33:21,390 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 [2019-01-31 14:33:21,391 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 [2019-01-31 14:33:21,392 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 [2019-01-31 14:33:21,393 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 [2019-01-31 14:33:21,394 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 [2019-01-31 14:33:21,395 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 [2019-01-31 14:33:21,396 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 [2019-01-31 14:33:21,397 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 [2019-01-31 14:33:21,398 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 [2019-01-31 14:33:21,398 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 [2019-01-31 14:33:21,399 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 [2019-01-31 14:33:21,400 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 [2019-01-31 14:33:21,401 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 [2019-01-31 14:33:21,402 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 [2019-01-31 14:33:21,403 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 [2019-01-31 14:33:21,404 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 [2019-01-31 14:33:21,405 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 [2019-01-31 14:33:21,406 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 [2019-01-31 14:33:21,407 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 [2019-01-31 14:33:21,408 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 [2019-01-31 14:33:21,409 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 [2019-01-31 14:33:21,410 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 [2019-01-31 14:33:21,411 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 [2019-01-31 14:33:21,411 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 [2019-01-31 14:33:21,412 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 [2019-01-31 14:33:21,413 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 [2019-01-31 14:33:21,414 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 [2019-01-31 14:33:21,415 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 [2019-01-31 14:33:21,416 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 [2019-01-31 14:33:21,417 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 [2019-01-31 14:33:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:21,439 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:33:21,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 22 [2019-01-31 14:33:21,439 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:33:21,439 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2019-01-31 14:33:21,439 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:33:21,439 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2019-01-31 14:33:21,491 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:21,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-01-31 14:33:21,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-01-31 14:33:21,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2019-01-31 14:33:21,492 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 23 states. [2019-01-31 14:33:22,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:22,797 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-01-31 14:33:22,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-01-31 14:33:22,798 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2019-01-31 14:33:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:33:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-31 14:33:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-01-31 14:33:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-31 14:33:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-01-31 14:33:22,800 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 43 states and 48 transitions. [2019-01-31 14:33:22,843 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:22,844 INFO L225 Difference]: With dead ends: 47 [2019-01-31 14:33:22,844 INFO L226 Difference]: Without dead ends: 45 [2019-01-31 14:33:22,845 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 [2019-01-31 14:33:22,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-01-31 14:33:23,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-01-31 14:33:23,571 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:33:23,571 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2019-01-31 14:33:23,572 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2019-01-31 14:33:23,572 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2019-01-31 14:33:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:23,573 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-01-31 14:33:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-01-31 14:33:23,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:23,574 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:23,574 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2019-01-31 14:33:23,574 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2019-01-31 14:33:23,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:23,575 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-01-31 14:33:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-01-31 14:33:23,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:23,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:23,575 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:33:23,575 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:33:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-01-31 14:33:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-01-31 14:33:23,576 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 43 [2019-01-31 14:33:23,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:33:23,576 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-01-31 14:33:23,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-01-31 14:33:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-01-31 14:33:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-01-31 14:33:23,576 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:33:23,577 INFO L402 BasicCegarLoop]: trace histogram [20, 20, 1, 1, 1, 1] [2019-01-31 14:33:23,577 INFO L423 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:33:23,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:33:23,577 INFO L82 PathProgramCache]: Analyzing trace with hash 728709898, now seen corresponding path program 30 times [2019-01-31 14:33:23,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:33:23,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:23,578 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:33:23,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:23,578 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:33:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:25,214 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 [2019-01-31 14:33:25,215 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 [2019-01-31 14:33:25,216 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 [2019-01-31 14:33:25,217 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 [2019-01-31 14:33:25,218 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 [2019-01-31 14:33:25,219 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 [2019-01-31 14:33:25,220 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 [2019-01-31 14:33:25,221 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 [2019-01-31 14:33:25,222 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 [2019-01-31 14:33:25,223 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 [2019-01-31 14:33:25,224 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 [2019-01-31 14:33:25,225 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 [2019-01-31 14:33:25,226 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 [2019-01-31 14:33:25,227 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 [2019-01-31 14:33:25,228 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 [2019-01-31 14:33:25,229 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 [2019-01-31 14:33:25,230 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 [2019-01-31 14:33:25,231 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 [2019-01-31 14:33:25,232 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 [2019-01-31 14:33:25,233 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 [2019-01-31 14:33:25,234 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 [2019-01-31 14:33:25,235 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 [2019-01-31 14:33:25,236 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 [2019-01-31 14:33:25,237 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 [2019-01-31 14:33:25,238 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 [2019-01-31 14:33:25,240 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 [2019-01-31 14:33:25,241 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 [2019-01-31 14:33:25,242 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 [2019-01-31 14:33:25,243 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 [2019-01-31 14:33:25,244 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 [2019-01-31 14:33:25,245 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 [2019-01-31 14:33:25,246 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 [2019-01-31 14:33:25,247 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 [2019-01-31 14:33:25,248 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 [2019-01-31 14:33:25,249 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 [2019-01-31 14:33:25,250 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 [2019-01-31 14:33:25,251 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 [2019-01-31 14:33:25,252 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 [2019-01-31 14:33:25,253 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 [2019-01-31 14:33:25,254 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 [2019-01-31 14:33:25,255 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 [2019-01-31 14:33:25,256 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 [2019-01-31 14:33:25,257 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 [2019-01-31 14:33:25,257 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-01-31 14:33:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:25,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:25,262 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:33:25,262 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:33:25,262 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:33:25,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:25,262 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 [2019-01-31 14:33:25,270 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:33:25,270 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:33:25,301 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:33:25,301 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:33:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:25,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:33:26,521 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 [2019-01-31 14:33:26,524 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:33:26,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:33:26,530 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:33:26,532 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:33:26,533 WARN L398 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)) [2019-01-31 14:33:26,533 WARN L399 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)) [2019-01-31 14:33:26,606 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 [2019-01-31 14:33:26,606 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 [2019-01-31 14:33:26,606 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 [2019-01-31 14:33:26,607 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 [2019-01-31 14:33:26,607 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 [2019-01-31 14:33:26,607 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 [2019-01-31 14:33:26,607 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 [2019-01-31 14:33:26,607 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,608 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 [2019-01-31 14:33:26,609 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 [2019-01-31 14:33:26,609 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 [2019-01-31 14:33:26,609 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 [2019-01-31 14:33:26,609 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 [2019-01-31 14:33:26,609 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 [2019-01-31 14:33:26,610 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 [2019-01-31 14:33:26,611 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 [2019-01-31 14:33:26,611 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 [2019-01-31 14:33:26,612 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 [2019-01-31 14:33:26,613 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 [2019-01-31 14:33:26,614 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 [2019-01-31 14:33:26,615 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 [2019-01-31 14:33:26,616 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 [2019-01-31 14:33:26,617 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 [2019-01-31 14:33:26,618 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 [2019-01-31 14:33:26,619 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 [2019-01-31 14:33:26,620 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 [2019-01-31 14:33:26,621 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 [2019-01-31 14:33:26,622 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 [2019-01-31 14:33:26,623 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 [2019-01-31 14:33:26,625 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 [2019-01-31 14:33:26,626 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 [2019-01-31 14:33:26,627 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 [2019-01-31 14:33:26,628 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 [2019-01-31 14:33:26,629 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 [2019-01-31 14:33:26,630 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 [2019-01-31 14:33:26,630 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-01-31 14:33:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-01-31 14:33:26,635 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:33:26,740 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 [2019-01-31 14:33:26,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:33:26,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:33:26,753 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:33:26,756 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:33:26,756 WARN L398 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)) [2019-01-31 14:33:26,756 WARN L399 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)) [2019-01-31 14:33:28,253 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-01-31 14:33:28,255 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 [2019-01-31 14:33:28,256 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 [2019-01-31 14:33:28,257 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 [2019-01-31 14:33:28,259 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 [2019-01-31 14:33:28,260 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 [2019-01-31 14:33:28,261 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 [2019-01-31 14:33:28,262 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 [2019-01-31 14:33:28,263 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 [2019-01-31 14:33:28,264 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 [2019-01-31 14:33:28,266 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 [2019-01-31 14:33:28,267 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 [2019-01-31 14:33:28,268 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 [2019-01-31 14:33:28,269 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 [2019-01-31 14:33:28,270 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 [2019-01-31 14:33:28,271 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 [2019-01-31 14:33:28,273 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 [2019-01-31 14:33:28,274 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 [2019-01-31 14:33:28,275 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 [2019-01-31 14:33:28,276 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 [2019-01-31 14:33:28,277 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 [2019-01-31 14:33:28,278 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 [2019-01-31 14:33:28,279 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 [2019-01-31 14:33:28,280 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 [2019-01-31 14:33:28,280 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 [2019-01-31 14:33:28,280 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 [2019-01-31 14:33:28,280 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 [2019-01-31 14:33:28,281 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 [2019-01-31 14:33:28,281 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 [2019-01-31 14:33:28,281 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 [2019-01-31 14:33:28,281 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 [2019-01-31 14:33:28,281 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 [2019-01-31 14:33:28,281 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,282 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 [2019-01-31 14:33:28,283 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 [2019-01-31 14:33:28,283 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 [2019-01-31 14:33:28,283 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 [2019-01-31 14:33:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-01-31 14:33:28,304 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:33:28,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 23, 23] total 86 [2019-01-31 14:33:28,304 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:33:28,304 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2019-01-31 14:33:28,304 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:33:28,305 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states. [2019-01-31 14:33:28,438 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:28,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2019-01-31 14:33:28,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2019-01-31 14:33:28,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1010, Invalid=6300, Unknown=0, NotChecked=0, Total=7310 [2019-01-31 14:33:28,440 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 65 states. [2019-01-31 14:33:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:38,701 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2019-01-31 14:33:38,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2019-01-31 14:33:38,701 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2019-01-31 14:33:38,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:33:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-31 14:33:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-01-31 14:33:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-31 14:33:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-01-31 14:33:38,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 68 states and 75 transitions. [2019-01-31 14:33:38,791 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:38,792 INFO L225 Difference]: With dead ends: 71 [2019-01-31 14:33:38,792 INFO L226 Difference]: Without dead ends: 47 [2019-01-31 14:33:38,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1663, Invalid=10547, Unknown=0, NotChecked=0, Total=12210 [2019-01-31 14:33:38,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-01-31 14:33:39,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-01-31 14:33:39,607 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:33:39,607 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2019-01-31 14:33:39,608 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2019-01-31 14:33:39,608 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2019-01-31 14:33:39,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:39,609 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-01-31 14:33:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-01-31 14:33:39,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:39,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:39,610 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2019-01-31 14:33:39,610 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2019-01-31 14:33:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:39,611 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-01-31 14:33:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-01-31 14:33:39,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:39,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:39,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:33:39,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:33:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-31 14:33:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2019-01-31 14:33:39,613 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2019-01-31 14:33:39,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:33:39,613 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2019-01-31 14:33:39,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2019-01-31 14:33:39,613 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-01-31 14:33:39,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-01-31 14:33:39,614 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:33:39,614 INFO L402 BasicCegarLoop]: trace histogram [21, 21, 1, 1, 1, 1] [2019-01-31 14:33:39,614 INFO L423 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:33:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:33:39,614 INFO L82 PathProgramCache]: Analyzing trace with hash 954210165, now seen corresponding path program 31 times [2019-01-31 14:33:39,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:33:39,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:39,615 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:33:39,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:39,616 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:33:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:40,998 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 [2019-01-31 14:33:40,999 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 [2019-01-31 14:33:41,000 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 [2019-01-31 14:33:41,001 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 [2019-01-31 14:33:41,002 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 [2019-01-31 14:33:41,003 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 [2019-01-31 14:33:41,004 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 [2019-01-31 14:33:41,005 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 [2019-01-31 14:33:41,006 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 [2019-01-31 14:33:41,007 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 [2019-01-31 14:33:41,008 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 [2019-01-31 14:33:41,009 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 [2019-01-31 14:33:41,010 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 [2019-01-31 14:33:41,011 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 [2019-01-31 14:33:41,012 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 [2019-01-31 14:33:41,013 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 [2019-01-31 14:33:41,014 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 [2019-01-31 14:33:41,015 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 [2019-01-31 14:33:41,016 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 [2019-01-31 14:33:41,017 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 [2019-01-31 14:33:41,018 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 [2019-01-31 14:33:41,020 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 [2019-01-31 14:33:41,021 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 [2019-01-31 14:33:41,022 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 [2019-01-31 14:33:41,023 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 [2019-01-31 14:33:41,024 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 [2019-01-31 14:33:41,025 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 [2019-01-31 14:33:41,026 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 [2019-01-31 14:33:41,027 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 [2019-01-31 14:33:41,028 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 [2019-01-31 14:33:41,029 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 [2019-01-31 14:33:41,030 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 [2019-01-31 14:33:41,031 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 [2019-01-31 14:33:41,032 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 [2019-01-31 14:33:41,033 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 [2019-01-31 14:33:41,034 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 [2019-01-31 14:33:41,035 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 [2019-01-31 14:33:41,036 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 [2019-01-31 14:33:41,037 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 [2019-01-31 14:33:41,038 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 [2019-01-31 14:33:41,039 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 [2019-01-31 14:33:41,040 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 [2019-01-31 14:33:41,041 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 [2019-01-31 14:33:41,042 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 [2019-01-31 14:33:41,043 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 [2019-01-31 14:33:41,044 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-01-31 14:33:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:41,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:41,048 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:33:41,048 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:33:41,048 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:33:41,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:41,048 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 [2019-01-31 14:33:41,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:33:41,058 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:33:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:41,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:33:42,572 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 [2019-01-31 14:33:42,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:33:42,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:33:42,583 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:33:42,585 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:33:42,585 WARN L398 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)) [2019-01-31 14:33:42,585 WARN L399 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)) [2019-01-31 14:33:42,654 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 [2019-01-31 14:33:42,655 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 [2019-01-31 14:33:42,656 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 [2019-01-31 14:33:42,657 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 [2019-01-31 14:33:42,658 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 [2019-01-31 14:33:42,659 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 [2019-01-31 14:33:42,660 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 [2019-01-31 14:33:42,661 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 [2019-01-31 14:33:42,662 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 [2019-01-31 14:33:42,663 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 [2019-01-31 14:33:42,664 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 [2019-01-31 14:33:42,665 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 [2019-01-31 14:33:42,666 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 [2019-01-31 14:33:42,667 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 [2019-01-31 14:33:42,668 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 [2019-01-31 14:33:42,669 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 [2019-01-31 14:33:42,670 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 [2019-01-31 14:33:42,671 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 [2019-01-31 14:33:42,672 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 [2019-01-31 14:33:42,673 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 [2019-01-31 14:33:42,674 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 [2019-01-31 14:33:42,675 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 [2019-01-31 14:33:42,676 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 [2019-01-31 14:33:42,677 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 [2019-01-31 14:33:42,678 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 [2019-01-31 14:33:42,679 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 [2019-01-31 14:33:42,680 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 [2019-01-31 14:33:42,681 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 [2019-01-31 14:33:42,682 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 [2019-01-31 14:33:42,682 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 [2019-01-31 14:33:42,683 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 [2019-01-31 14:33:42,684 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 [2019-01-31 14:33:42,685 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 [2019-01-31 14:33:42,686 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 [2019-01-31 14:33:42,687 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 [2019-01-31 14:33:42,688 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 [2019-01-31 14:33:42,688 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 [2019-01-31 14:33:42,689 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 [2019-01-31 14:33:42,690 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 [2019-01-31 14:33:42,691 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 [2019-01-31 14:33:42,692 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 [2019-01-31 14:33:42,693 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 [2019-01-31 14:33:42,694 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 [2019-01-31 14:33:42,695 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 [2019-01-31 14:33:42,696 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 [2019-01-31 14:33:42,696 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-01-31 14:33:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:42,702 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:33:42,777 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 [2019-01-31 14:33:42,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:33:42,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:33:42,783 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:33:42,786 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:33:42,786 WARN L398 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))))) [2019-01-31 14:33:42,786 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:33:43,318 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-01-31 14:33:43,319 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 [2019-01-31 14:33:43,320 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 [2019-01-31 14:33:43,321 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 [2019-01-31 14:33:43,322 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 [2019-01-31 14:33:43,323 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 [2019-01-31 14:33:43,324 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 [2019-01-31 14:33:43,325 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 [2019-01-31 14:33:43,326 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 [2019-01-31 14:33:43,327 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 [2019-01-31 14:33:43,328 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 [2019-01-31 14:33:43,330 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 [2019-01-31 14:33:43,332 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 [2019-01-31 14:33:43,332 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 [2019-01-31 14:33:43,333 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 [2019-01-31 14:33:43,334 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 [2019-01-31 14:33:43,334 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 [2019-01-31 14:33:43,336 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 [2019-01-31 14:33:43,337 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 [2019-01-31 14:33:43,338 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 [2019-01-31 14:33:43,339 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 [2019-01-31 14:33:43,340 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 [2019-01-31 14:33:43,341 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 [2019-01-31 14:33:43,342 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 [2019-01-31 14:33:43,343 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 [2019-01-31 14:33:43,344 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 [2019-01-31 14:33:43,345 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 [2019-01-31 14:33:43,346 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 [2019-01-31 14:33:43,347 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 [2019-01-31 14:33:43,348 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 [2019-01-31 14:33:43,349 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 [2019-01-31 14:33:43,350 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 [2019-01-31 14:33:43,351 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 [2019-01-31 14:33:43,352 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 [2019-01-31 14:33:43,353 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 [2019-01-31 14:33:43,354 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 [2019-01-31 14:33:43,355 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 [2019-01-31 14:33:43,356 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 [2019-01-31 14:33:43,357 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 [2019-01-31 14:33:43,358 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 [2019-01-31 14:33:43,359 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 [2019-01-31 14:33:43,360 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 [2019-01-31 14:33:43,361 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 [2019-01-31 14:33:43,362 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 [2019-01-31 14:33:43,363 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 [2019-01-31 14:33:43,364 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 [2019-01-31 14:33:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:43,386 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:33:43,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 69 [2019-01-31 14:33:43,387 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:33:43,387 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2019-01-31 14:33:43,387 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:33:43,388 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states. [2019-01-31 14:33:43,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:43,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 70 states [2019-01-31 14:33:43,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2019-01-31 14:33:43,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=4625, Unknown=0, NotChecked=0, Total=4830 [2019-01-31 14:33:43,461 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 70 states. [2019-01-31 14:33:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:53,004 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2019-01-31 14:33:53,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-01-31 14:33:53,004 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2019-01-31 14:33:53,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:33:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-31 14:33:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-01-31 14:33:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-31 14:33:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-01-31 14:33:53,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 49 states and 54 transitions. [2019-01-31 14:33:53,064 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:53,065 INFO L225 Difference]: With dead ends: 72 [2019-01-31 14:33:53,065 INFO L226 Difference]: Without dead ends: 48 [2019-01-31 14:33:53,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 51 SyntacticMatches, 16 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=434, Invalid=8308, Unknown=0, NotChecked=0, Total=8742 [2019-01-31 14:33:53,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-31 14:33:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-01-31 14:33:53,893 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:33:53,893 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand 48 states. [2019-01-31 14:33:53,894 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2019-01-31 14:33:53,894 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2019-01-31 14:33:53,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:53,895 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-01-31 14:33:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-01-31 14:33:53,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:53,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:53,895 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2019-01-31 14:33:53,895 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2019-01-31 14:33:53,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:53,896 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-01-31 14:33:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-01-31 14:33:53,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:53,896 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:53,896 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:33:53,896 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:33:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-31 14:33:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2019-01-31 14:33:53,897 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 46 [2019-01-31 14:33:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:33:53,897 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2019-01-31 14:33:53,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 70 states. [2019-01-31 14:33:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-01-31 14:33:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-31 14:33:53,898 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:33:53,898 INFO L402 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1, 1] [2019-01-31 14:33:53,898 INFO L423 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:33:53,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:33:53,898 INFO L82 PathProgramCache]: Analyzing trace with hash 259355244, now seen corresponding path program 32 times [2019-01-31 14:33:53,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:33:53,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:53,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:33:53,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:53,899 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:33:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:54,422 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 [2019-01-31 14:33:54,423 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 [2019-01-31 14:33:54,424 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 [2019-01-31 14:33:54,425 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 [2019-01-31 14:33:54,426 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 [2019-01-31 14:33:54,427 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 [2019-01-31 14:33:54,428 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 [2019-01-31 14:33:54,429 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 [2019-01-31 14:33:54,430 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 [2019-01-31 14:33:54,431 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 [2019-01-31 14:33:54,432 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 [2019-01-31 14:33:54,433 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 [2019-01-31 14:33:54,433 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 [2019-01-31 14:33:54,434 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 [2019-01-31 14:33:54,435 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 [2019-01-31 14:33:54,436 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 [2019-01-31 14:33:54,437 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 [2019-01-31 14:33:54,438 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 [2019-01-31 14:33:54,439 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 [2019-01-31 14:33:54,440 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 [2019-01-31 14:33:54,441 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 [2019-01-31 14:33:54,442 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 [2019-01-31 14:33:54,443 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 [2019-01-31 14:33:54,444 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 [2019-01-31 14:33:54,445 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 [2019-01-31 14:33:54,446 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 [2019-01-31 14:33:54,447 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 [2019-01-31 14:33:54,447 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 [2019-01-31 14:33:54,448 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 [2019-01-31 14:33:54,449 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 [2019-01-31 14:33:54,450 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 [2019-01-31 14:33:54,451 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 [2019-01-31 14:33:54,452 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 [2019-01-31 14:33:54,453 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 [2019-01-31 14:33:54,454 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 [2019-01-31 14:33:54,455 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 [2019-01-31 14:33:54,456 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 [2019-01-31 14:33:54,457 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 [2019-01-31 14:33:54,458 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 [2019-01-31 14:33:54,459 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 [2019-01-31 14:33:54,460 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 [2019-01-31 14:33:54,460 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 [2019-01-31 14:33:54,461 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 [2019-01-31 14:33:54,462 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 [2019-01-31 14:33:54,463 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 [2019-01-31 14:33:54,464 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 [2019-01-31 14:33:54,464 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-01-31 14:33:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:54,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:54,467 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:33:54,467 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:33:54,467 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:33:54,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:33:54,468 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 [2019-01-31 14:33:54,479 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:33:54,480 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:33:54,563 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-01-31 14:33:54,563 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:33:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:33:54,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:33:54,817 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 [2019-01-31 14:33:54,818 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 [2019-01-31 14:33:54,819 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 [2019-01-31 14:33:54,820 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 [2019-01-31 14:33:54,821 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 [2019-01-31 14:33:54,822 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 [2019-01-31 14:33:54,823 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 [2019-01-31 14:33:54,824 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 [2019-01-31 14:33:54,825 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 [2019-01-31 14:33:54,826 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 [2019-01-31 14:33:54,826 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 [2019-01-31 14:33:54,827 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 [2019-01-31 14:33:54,828 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 [2019-01-31 14:33:54,829 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 [2019-01-31 14:33:54,830 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 [2019-01-31 14:33:54,831 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 [2019-01-31 14:33:54,832 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 [2019-01-31 14:33:54,833 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 [2019-01-31 14:33:54,834 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 [2019-01-31 14:33:54,835 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 [2019-01-31 14:33:54,836 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 [2019-01-31 14:33:54,837 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 [2019-01-31 14:33:54,838 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 [2019-01-31 14:33:54,839 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 [2019-01-31 14:33:54,840 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 [2019-01-31 14:33:54,841 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 [2019-01-31 14:33:54,842 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 [2019-01-31 14:33:54,842 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 [2019-01-31 14:33:54,843 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 [2019-01-31 14:33:54,844 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 [2019-01-31 14:33:54,845 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 [2019-01-31 14:33:54,846 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 [2019-01-31 14:33:54,848 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 [2019-01-31 14:33:54,858 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 [2019-01-31 14:33:54,859 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 [2019-01-31 14:33:54,861 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 [2019-01-31 14:33:54,861 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 [2019-01-31 14:33:54,862 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 [2019-01-31 14:33:54,863 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 [2019-01-31 14:33:54,865 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 [2019-01-31 14:33:54,866 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 [2019-01-31 14:33:54,867 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 [2019-01-31 14:33:54,867 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 [2019-01-31 14:33:54,869 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 [2019-01-31 14:33:54,871 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 [2019-01-31 14:33:54,873 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 [2019-01-31 14:33:54,873 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-01-31 14:33:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:54,875 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:33:55,782 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-01-31 14:33:55,783 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 [2019-01-31 14:33:55,783 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 [2019-01-31 14:33:55,784 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 [2019-01-31 14:33:55,784 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 [2019-01-31 14:33:55,785 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 [2019-01-31 14:33:55,786 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 [2019-01-31 14:33:55,787 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 [2019-01-31 14:33:55,788 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 [2019-01-31 14:33:55,789 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 [2019-01-31 14:33:55,790 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 [2019-01-31 14:33:55,791 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 [2019-01-31 14:33:55,792 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 [2019-01-31 14:33:55,793 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 [2019-01-31 14:33:55,793 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 [2019-01-31 14:33:55,794 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 [2019-01-31 14:33:55,802 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 [2019-01-31 14:33:55,803 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 [2019-01-31 14:33:55,803 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 [2019-01-31 14:33:55,804 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 [2019-01-31 14:33:55,804 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 [2019-01-31 14:33:55,805 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 [2019-01-31 14:33:55,806 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 [2019-01-31 14:33:55,807 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 [2019-01-31 14:33:55,808 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 [2019-01-31 14:33:55,809 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 [2019-01-31 14:33:55,810 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 [2019-01-31 14:33:55,811 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 [2019-01-31 14:33:55,812 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 [2019-01-31 14:33:55,812 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 [2019-01-31 14:33:55,813 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 [2019-01-31 14:33:55,814 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 [2019-01-31 14:33:55,815 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 [2019-01-31 14:33:55,816 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 [2019-01-31 14:33:55,817 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 [2019-01-31 14:33:55,818 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 [2019-01-31 14:33:55,819 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 [2019-01-31 14:33:55,820 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 [2019-01-31 14:33:55,821 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 [2019-01-31 14:33:55,822 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 [2019-01-31 14:33:55,823 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 [2019-01-31 14:33:55,824 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 [2019-01-31 14:33:55,825 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 [2019-01-31 14:33:55,825 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 [2019-01-31 14:33:55,826 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 [2019-01-31 14:33:55,827 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 [2019-01-31 14:33:55,828 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 [2019-01-31 14:33:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:33:55,851 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:33:55,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 24 [2019-01-31 14:33:55,851 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:33:55,851 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2019-01-31 14:33:55,852 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:33:55,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2019-01-31 14:33:55,906 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:55,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-01-31 14:33:55,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-01-31 14:33:55,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2019-01-31 14:33:55,907 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 25 states. [2019-01-31 14:33:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:57,406 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-01-31 14:33:57,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-01-31 14:33:57,406 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2019-01-31 14:33:57,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:33:57,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-31 14:33:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-01-31 14:33:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-31 14:33:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-01-31 14:33:57,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states and 52 transitions. [2019-01-31 14:33:57,464 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:33:57,465 INFO L225 Difference]: With dead ends: 51 [2019-01-31 14:33:57,466 INFO L226 Difference]: Without dead ends: 49 [2019-01-31 14:33:57,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 71 SyntacticMatches, 44 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2019-01-31 14:33:57,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-01-31 14:33:58,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-01-31 14:33:58,369 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:33:58,369 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2019-01-31 14:33:58,369 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2019-01-31 14:33:58,369 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2019-01-31 14:33:58,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:58,370 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-01-31 14:33:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-01-31 14:33:58,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:58,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:58,371 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2019-01-31 14:33:58,371 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2019-01-31 14:33:58,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:33:58,373 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-01-31 14:33:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-01-31 14:33:58,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:33:58,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:33:58,373 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:33:58,373 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:33:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-31 14:33:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2019-01-31 14:33:58,374 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 47 [2019-01-31 14:33:58,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:33:58,375 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2019-01-31 14:33:58,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-01-31 14:33:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-01-31 14:33:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-01-31 14:33:58,375 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:33:58,375 INFO L402 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1] [2019-01-31 14:33:58,376 INFO L423 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:33:58,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:33:58,376 INFO L82 PathProgramCache]: Analyzing trace with hash -549920214, now seen corresponding path program 33 times [2019-01-31 14:33:58,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:33:58,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:58,377 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:33:58,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:33:58,377 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:33:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:00,282 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 [2019-01-31 14:34:00,283 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 [2019-01-31 14:34:00,284 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 [2019-01-31 14:34:00,284 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 [2019-01-31 14:34:00,286 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 [2019-01-31 14:34:00,287 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 [2019-01-31 14:34:00,288 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 [2019-01-31 14:34:00,290 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 [2019-01-31 14:34:00,292 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 [2019-01-31 14:34:00,293 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 [2019-01-31 14:34:00,294 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 [2019-01-31 14:34:00,294 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 [2019-01-31 14:34:00,295 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 [2019-01-31 14:34:00,296 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 [2019-01-31 14:34:00,297 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 [2019-01-31 14:34:00,298 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 [2019-01-31 14:34:00,299 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 [2019-01-31 14:34:00,300 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 [2019-01-31 14:34:00,301 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 [2019-01-31 14:34:00,302 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 [2019-01-31 14:34:00,304 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 [2019-01-31 14:34:00,305 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 [2019-01-31 14:34:00,306 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 [2019-01-31 14:34:00,307 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 [2019-01-31 14:34:00,308 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 [2019-01-31 14:34:00,309 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 [2019-01-31 14:34:00,310 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 [2019-01-31 14:34:00,311 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 [2019-01-31 14:34:00,312 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 [2019-01-31 14:34:00,313 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 [2019-01-31 14:34:00,314 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 [2019-01-31 14:34:00,315 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 [2019-01-31 14:34:00,321 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 [2019-01-31 14:34:00,322 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 [2019-01-31 14:34:00,322 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 [2019-01-31 14:34:00,324 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 [2019-01-31 14:34:00,324 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 [2019-01-31 14:34:00,326 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 [2019-01-31 14:34:00,327 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 [2019-01-31 14:34:00,328 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 [2019-01-31 14:34:00,329 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 [2019-01-31 14:34:00,330 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 [2019-01-31 14:34:00,331 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 [2019-01-31 14:34:00,332 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 [2019-01-31 14:34:00,333 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 [2019-01-31 14:34:00,334 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 [2019-01-31 14:34:00,335 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 [2019-01-31 14:34:00,335 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-01-31 14:34:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:00,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:00,340 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:34:00,340 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:34:00,340 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:34:00,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:00,340 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 [2019-01-31 14:34:00,350 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:34:00,350 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:34:00,386 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:34:00,387 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:34:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:00,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:34:01,847 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 [2019-01-31 14:34:01,853 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:34:01,858 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:34:01,859 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:34:01,861 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:34:01,862 WARN L398 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)) [2019-01-31 14:34:01,862 WARN L399 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)) [2019-01-31 14:34:01,942 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 [2019-01-31 14:34:01,942 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 [2019-01-31 14:34:01,942 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 [2019-01-31 14:34:01,942 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 [2019-01-31 14:34:01,943 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 [2019-01-31 14:34:01,943 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 [2019-01-31 14:34:01,943 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 [2019-01-31 14:34:01,943 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 [2019-01-31 14:34:01,943 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 [2019-01-31 14:34:01,943 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 [2019-01-31 14:34:01,943 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 [2019-01-31 14:34:01,944 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 [2019-01-31 14:34:01,944 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 [2019-01-31 14:34:01,944 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 [2019-01-31 14:34:01,944 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 [2019-01-31 14:34:01,944 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 [2019-01-31 14:34:01,944 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 [2019-01-31 14:34:01,945 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 [2019-01-31 14:34:01,945 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 [2019-01-31 14:34:01,945 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 [2019-01-31 14:34:01,945 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 [2019-01-31 14:34:01,946 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 [2019-01-31 14:34:01,946 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 [2019-01-31 14:34:01,948 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 [2019-01-31 14:34:01,949 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 [2019-01-31 14:34:01,950 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 [2019-01-31 14:34:01,951 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 [2019-01-31 14:34:01,951 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 [2019-01-31 14:34:01,953 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 [2019-01-31 14:34:01,954 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 [2019-01-31 14:34:01,954 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 [2019-01-31 14:34:01,955 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 [2019-01-31 14:34:01,956 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 [2019-01-31 14:34:01,957 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 [2019-01-31 14:34:01,959 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 [2019-01-31 14:34:01,960 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 [2019-01-31 14:34:01,961 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 [2019-01-31 14:34:01,962 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 [2019-01-31 14:34:01,963 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 [2019-01-31 14:34:01,964 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 [2019-01-31 14:34:01,965 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 [2019-01-31 14:34:01,966 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 [2019-01-31 14:34:01,967 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 [2019-01-31 14:34:01,968 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 [2019-01-31 14:34:01,969 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 [2019-01-31 14:34:01,970 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 [2019-01-31 14:34:01,971 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 [2019-01-31 14:34:01,972 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-01-31 14:34:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-01-31 14:34:01,977 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:34:02,087 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 [2019-01-31 14:34:02,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:34:02,100 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:34:02,100 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:34:02,103 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:34:02,103 WARN L398 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)) [2019-01-31 14:34:02,104 WARN L399 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)) [2019-01-31 14:34:04,012 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-01-31 14:34:04,014 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 [2019-01-31 14:34:04,015 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 [2019-01-31 14:34:04,016 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 [2019-01-31 14:34:04,018 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 [2019-01-31 14:34:04,019 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 [2019-01-31 14:34:04,020 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 [2019-01-31 14:34:04,021 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 [2019-01-31 14:34:04,022 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 [2019-01-31 14:34:04,038 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 [2019-01-31 14:34:04,040 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 [2019-01-31 14:34:04,040 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 [2019-01-31 14:34:04,041 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 [2019-01-31 14:34:04,042 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 [2019-01-31 14:34:04,043 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 [2019-01-31 14:34:04,044 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 [2019-01-31 14:34:04,045 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 [2019-01-31 14:34:04,046 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 [2019-01-31 14:34:04,048 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 [2019-01-31 14:34:04,049 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 [2019-01-31 14:34:04,050 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 [2019-01-31 14:34:04,051 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 [2019-01-31 14:34:04,052 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 [2019-01-31 14:34:04,053 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 [2019-01-31 14:34:04,055 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 [2019-01-31 14:34:04,055 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 [2019-01-31 14:34:04,055 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 [2019-01-31 14:34:04,055 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 [2019-01-31 14:34:04,055 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 [2019-01-31 14:34:04,056 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 [2019-01-31 14:34:04,056 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 [2019-01-31 14:34:04,056 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 [2019-01-31 14:34:04,056 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 [2019-01-31 14:34:04,056 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 [2019-01-31 14:34:04,056 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,057 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 [2019-01-31 14:34:04,058 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 [2019-01-31 14:34:04,058 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 [2019-01-31 14:34:04,058 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 [2019-01-31 14:34:04,058 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 [2019-01-31 14:34:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-01-31 14:34:04,080 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:34:04,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 25, 25] total 94 [2019-01-31 14:34:04,080 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:34:04,081 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2019-01-31 14:34:04,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:34:04,081 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states. [2019-01-31 14:34:04,155 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:04,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 71 states [2019-01-31 14:34:04,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2019-01-31 14:34:04,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1198, Invalid=7544, Unknown=0, NotChecked=0, Total=8742 [2019-01-31 14:34:04,157 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 71 states. [2019-01-31 14:34:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:16,732 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2019-01-31 14:34:16,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-01-31 14:34:16,732 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2019-01-31 14:34:16,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:34:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-31 14:34:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-01-31 14:34:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-31 14:34:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-01-31 14:34:16,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 74 states and 81 transitions. [2019-01-31 14:34:16,833 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:16,834 INFO L225 Difference]: With dead ends: 77 [2019-01-31 14:34:16,834 INFO L226 Difference]: Without dead ends: 51 [2019-01-31 14:34:16,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1957, Invalid=12563, Unknown=0, NotChecked=0, Total=14520 [2019-01-31 14:34:16,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-01-31 14:34:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-01-31 14:34:17,780 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:34:17,781 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 51 states. [2019-01-31 14:34:17,781 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2019-01-31 14:34:17,781 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2019-01-31 14:34:17,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:17,782 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-01-31 14:34:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-01-31 14:34:17,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:34:17,782 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:34:17,783 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2019-01-31 14:34:17,783 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2019-01-31 14:34:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:17,784 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-01-31 14:34:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-01-31 14:34:17,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:34:17,784 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:34:17,784 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:34:17,784 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:34:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-01-31 14:34:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2019-01-31 14:34:17,785 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 48 [2019-01-31 14:34:17,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:34:17,785 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2019-01-31 14:34:17,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2019-01-31 14:34:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-01-31 14:34:17,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-01-31 14:34:17,785 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:34:17,785 INFO L402 BasicCegarLoop]: trace histogram [23, 23, 1, 1, 1, 1] [2019-01-31 14:34:17,786 INFO L423 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:34:17,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:34:17,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1451759573, now seen corresponding path program 34 times [2019-01-31 14:34:17,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:34:17,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:34:17,786 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:34:17,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:34:17,787 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:34:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:19,710 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 [2019-01-31 14:34:19,711 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 [2019-01-31 14:34:19,712 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 [2019-01-31 14:34:19,713 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 [2019-01-31 14:34:19,714 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 [2019-01-31 14:34:19,715 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 [2019-01-31 14:34:19,718 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 [2019-01-31 14:34:19,719 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 [2019-01-31 14:34:19,720 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 [2019-01-31 14:34:19,720 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 [2019-01-31 14:34:19,721 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 [2019-01-31 14:34:19,721 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 [2019-01-31 14:34:19,722 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 [2019-01-31 14:34:19,723 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 [2019-01-31 14:34:19,723 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 [2019-01-31 14:34:19,724 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 [2019-01-31 14:34:19,725 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 [2019-01-31 14:34:19,726 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 [2019-01-31 14:34:19,727 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 [2019-01-31 14:34:19,728 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 [2019-01-31 14:34:19,729 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 [2019-01-31 14:34:19,730 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 [2019-01-31 14:34:19,732 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 [2019-01-31 14:34:19,733 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 [2019-01-31 14:34:19,734 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 [2019-01-31 14:34:19,735 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 [2019-01-31 14:34:19,736 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 [2019-01-31 14:34:19,737 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 [2019-01-31 14:34:19,738 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 [2019-01-31 14:34:19,739 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 [2019-01-31 14:34:19,740 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 [2019-01-31 14:34:19,741 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 [2019-01-31 14:34:19,742 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 [2019-01-31 14:34:19,743 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 [2019-01-31 14:34:19,744 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 [2019-01-31 14:34:19,745 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 [2019-01-31 14:34:19,746 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 [2019-01-31 14:34:19,747 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 [2019-01-31 14:34:19,748 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 [2019-01-31 14:34:19,749 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 [2019-01-31 14:34:19,750 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 [2019-01-31 14:34:19,751 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 [2019-01-31 14:34:19,752 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 [2019-01-31 14:34:19,753 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 [2019-01-31 14:34:19,754 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 [2019-01-31 14:34:19,755 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 [2019-01-31 14:34:19,756 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 [2019-01-31 14:34:19,757 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 [2019-01-31 14:34:19,758 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 [2019-01-31 14:34:19,759 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-01-31 14:34:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:19,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:19,763 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:34:19,763 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:34:19,763 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:34:19,764 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:19,764 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 [2019-01-31 14:34:19,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:34:19,773 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:34:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:19,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:34:21,739 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 [2019-01-31 14:34:21,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:34:21,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:34:21,748 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:34:21,751 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:34:21,751 WARN L398 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)) [2019-01-31 14:34:21,751 WARN L399 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)) [2019-01-31 14:34:21,825 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 [2019-01-31 14:34:21,826 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 [2019-01-31 14:34:21,827 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 [2019-01-31 14:34:21,828 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 [2019-01-31 14:34:21,829 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 [2019-01-31 14:34:21,830 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 [2019-01-31 14:34:21,831 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 [2019-01-31 14:34:21,832 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 [2019-01-31 14:34:21,833 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 [2019-01-31 14:34:21,834 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 [2019-01-31 14:34:21,835 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 [2019-01-31 14:34:21,836 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 [2019-01-31 14:34:21,837 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 [2019-01-31 14:34:21,838 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 [2019-01-31 14:34:21,839 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 [2019-01-31 14:34:21,840 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 [2019-01-31 14:34:21,841 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 [2019-01-31 14:34:21,842 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 [2019-01-31 14:34:21,844 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 [2019-01-31 14:34:21,845 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 [2019-01-31 14:34:21,847 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 [2019-01-31 14:34:21,848 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 [2019-01-31 14:34:21,849 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 [2019-01-31 14:34:21,850 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 [2019-01-31 14:34:21,851 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 [2019-01-31 14:34:21,852 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 [2019-01-31 14:34:21,853 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 [2019-01-31 14:34:21,854 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 [2019-01-31 14:34:21,855 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 [2019-01-31 14:34:21,856 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 [2019-01-31 14:34:21,857 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 [2019-01-31 14:34:21,858 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 [2019-01-31 14:34:21,859 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 [2019-01-31 14:34:21,859 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 [2019-01-31 14:34:21,860 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 [2019-01-31 14:34:21,861 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 [2019-01-31 14:34:21,862 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 [2019-01-31 14:34:21,863 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 [2019-01-31 14:34:21,864 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 [2019-01-31 14:34:21,865 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 [2019-01-31 14:34:21,866 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 [2019-01-31 14:34:21,867 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 [2019-01-31 14:34:21,867 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 [2019-01-31 14:34:21,868 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 [2019-01-31 14:34:21,869 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 [2019-01-31 14:34:21,870 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 [2019-01-31 14:34:21,871 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 [2019-01-31 14:34:21,872 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 [2019-01-31 14:34:21,873 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 [2019-01-31 14:34:21,873 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-01-31 14:34:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:21,879 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:34:21,907 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 [2019-01-31 14:34:21,909 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:34:21,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:34:21,913 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:34:21,915 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:34:21,916 WARN L398 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))))) [2019-01-31 14:34:21,916 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:34:22,543 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-01-31 14:34:22,545 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 [2019-01-31 14:34:22,546 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 [2019-01-31 14:34:22,547 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 [2019-01-31 14:34:22,548 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 [2019-01-31 14:34:22,549 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 [2019-01-31 14:34:22,550 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 [2019-01-31 14:34:22,551 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 [2019-01-31 14:34:22,552 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 [2019-01-31 14:34:22,553 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 [2019-01-31 14:34:22,554 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 [2019-01-31 14:34:22,555 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 [2019-01-31 14:34:22,556 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 [2019-01-31 14:34:22,557 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 [2019-01-31 14:34:22,558 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 [2019-01-31 14:34:22,559 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 [2019-01-31 14:34:22,560 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 [2019-01-31 14:34:22,561 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 [2019-01-31 14:34:22,562 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 [2019-01-31 14:34:22,563 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 [2019-01-31 14:34:22,564 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 [2019-01-31 14:34:22,565 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 [2019-01-31 14:34:22,566 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 [2019-01-31 14:34:22,567 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 [2019-01-31 14:34:22,568 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 [2019-01-31 14:34:22,569 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 [2019-01-31 14:34:22,570 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 [2019-01-31 14:34:22,571 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 [2019-01-31 14:34:22,572 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 [2019-01-31 14:34:22,573 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 [2019-01-31 14:34:22,574 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 [2019-01-31 14:34:22,575 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 [2019-01-31 14:34:22,576 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 [2019-01-31 14:34:22,577 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 [2019-01-31 14:34:22,578 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 [2019-01-31 14:34:22,579 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 [2019-01-31 14:34:22,580 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 [2019-01-31 14:34:22,581 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 [2019-01-31 14:34:22,582 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 [2019-01-31 14:34:22,583 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 [2019-01-31 14:34:22,584 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 [2019-01-31 14:34:22,585 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 [2019-01-31 14:34:22,586 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 [2019-01-31 14:34:22,587 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 [2019-01-31 14:34:22,588 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 [2019-01-31 14:34:22,589 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 [2019-01-31 14:34:22,590 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 [2019-01-31 14:34:22,591 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 [2019-01-31 14:34:22,592 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 [2019-01-31 14:34:22,593 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 [2019-01-31 14:34:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:22,618 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:34:22,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 75 [2019-01-31 14:34:22,618 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:34:22,619 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2019-01-31 14:34:22,619 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:34:22,619 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 76 states. [2019-01-31 14:34:22,695 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:22,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 76 states [2019-01-31 14:34:22,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2019-01-31 14:34:22,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=5477, Unknown=0, NotChecked=0, Total=5700 [2019-01-31 14:34:22,696 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 76 states. [2019-01-31 14:34:32,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:32,834 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2019-01-31 14:34:32,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-01-31 14:34:32,835 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2019-01-31 14:34:32,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:34:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-31 14:34:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2019-01-31 14:34:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-31 14:34:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2019-01-31 14:34:32,837 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states and 58 transitions. [2019-01-31 14:34:32,900 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:32,901 INFO L225 Difference]: With dead ends: 78 [2019-01-31 14:34:32,901 INFO L226 Difference]: Without dead ends: 52 [2019-01-31 14:34:32,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 55 SyntacticMatches, 18 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1665 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=472, Invalid=9830, Unknown=0, NotChecked=0, Total=10302 [2019-01-31 14:34:32,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-31 14:34:33,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-01-31 14:34:33,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:34:33,863 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 52 states. [2019-01-31 14:34:33,863 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2019-01-31 14:34:33,863 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2019-01-31 14:34:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:33,865 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-01-31 14:34:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-01-31 14:34:33,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:34:33,866 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:34:33,866 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2019-01-31 14:34:33,866 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2019-01-31 14:34:33,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:33,867 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-01-31 14:34:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-01-31 14:34:33,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:34:33,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:34:33,868 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:34:33,868 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:34:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-31 14:34:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2019-01-31 14:34:33,869 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 50 [2019-01-31 14:34:33,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:34:33,869 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2019-01-31 14:34:33,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 76 states. [2019-01-31 14:34:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-01-31 14:34:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-31 14:34:33,870 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:34:33,870 INFO L402 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1, 1] [2019-01-31 14:34:33,870 INFO L423 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:34:33,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:34:33,870 INFO L82 PathProgramCache]: Analyzing trace with hash -596041908, now seen corresponding path program 35 times [2019-01-31 14:34:33,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:34:33,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:34:33,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:34:33,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:34:33,871 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:34:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:34,400 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 [2019-01-31 14:34:34,402 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 [2019-01-31 14:34:34,403 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 [2019-01-31 14:34:34,404 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 [2019-01-31 14:34:34,404 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 [2019-01-31 14:34:34,405 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 [2019-01-31 14:34:34,406 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 [2019-01-31 14:34:34,407 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 [2019-01-31 14:34:34,408 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 [2019-01-31 14:34:34,409 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 [2019-01-31 14:34:34,410 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 [2019-01-31 14:34:34,411 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 [2019-01-31 14:34:34,412 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 [2019-01-31 14:34:34,413 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 [2019-01-31 14:34:34,414 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 [2019-01-31 14:34:34,415 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 [2019-01-31 14:34:34,416 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 [2019-01-31 14:34:34,417 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 [2019-01-31 14:34:34,417 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 [2019-01-31 14:34:34,418 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 [2019-01-31 14:34:34,419 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 [2019-01-31 14:34:34,420 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 [2019-01-31 14:34:34,421 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 [2019-01-31 14:34:34,422 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 [2019-01-31 14:34:34,423 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 [2019-01-31 14:34:34,424 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 [2019-01-31 14:34:34,425 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 [2019-01-31 14:34:34,426 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 [2019-01-31 14:34:34,427 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 [2019-01-31 14:34:34,428 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 [2019-01-31 14:34:34,429 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 [2019-01-31 14:34:34,430 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 [2019-01-31 14:34:34,431 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 [2019-01-31 14:34:34,431 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 [2019-01-31 14:34:34,432 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 [2019-01-31 14:34:34,433 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 [2019-01-31 14:34:34,434 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 [2019-01-31 14:34:34,435 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 [2019-01-31 14:34:34,436 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 [2019-01-31 14:34:34,437 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 [2019-01-31 14:34:34,438 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 [2019-01-31 14:34:34,439 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 [2019-01-31 14:34:34,440 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 [2019-01-31 14:34:34,441 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 [2019-01-31 14:34:34,442 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 [2019-01-31 14:34:34,443 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 [2019-01-31 14:34:34,443 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 [2019-01-31 14:34:34,444 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 [2019-01-31 14:34:34,445 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 [2019-01-31 14:34:34,446 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 [2019-01-31 14:34:34,446 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-01-31 14:34:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:34,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:34,450 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:34:34,450 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:34:34,450 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:34:34,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:34,450 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 [2019-01-31 14:34:34,458 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:34:34,458 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:34:34,560 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2019-01-31 14:34:34,560 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:34:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:34,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:34:34,830 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 [2019-01-31 14:34:34,831 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 [2019-01-31 14:34:34,832 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 [2019-01-31 14:34:34,833 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 [2019-01-31 14:34:34,834 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 [2019-01-31 14:34:34,834 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 [2019-01-31 14:34:34,835 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 [2019-01-31 14:34:34,836 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 [2019-01-31 14:34:34,837 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 [2019-01-31 14:34:34,838 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 [2019-01-31 14:34:34,839 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 [2019-01-31 14:34:34,840 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 [2019-01-31 14:34:34,841 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 [2019-01-31 14:34:34,842 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 [2019-01-31 14:34:34,843 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 [2019-01-31 14:34:34,844 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 [2019-01-31 14:34:34,845 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 [2019-01-31 14:34:34,846 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 [2019-01-31 14:34:34,847 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 [2019-01-31 14:34:34,847 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 [2019-01-31 14:34:34,848 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 [2019-01-31 14:34:34,849 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 [2019-01-31 14:34:34,850 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 [2019-01-31 14:34:34,851 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 [2019-01-31 14:34:34,852 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 [2019-01-31 14:34:34,853 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 [2019-01-31 14:34:34,854 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 [2019-01-31 14:34:34,855 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 [2019-01-31 14:34:34,856 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 [2019-01-31 14:34:34,857 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 [2019-01-31 14:34:34,858 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 [2019-01-31 14:34:34,859 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 [2019-01-31 14:34:34,860 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 [2019-01-31 14:34:34,860 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 [2019-01-31 14:34:34,861 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 [2019-01-31 14:34:34,862 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 [2019-01-31 14:34:34,863 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 [2019-01-31 14:34:34,864 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 [2019-01-31 14:34:34,865 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 [2019-01-31 14:34:34,866 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 [2019-01-31 14:34:34,867 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 [2019-01-31 14:34:34,868 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 [2019-01-31 14:34:34,869 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 [2019-01-31 14:34:34,870 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 [2019-01-31 14:34:34,871 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 [2019-01-31 14:34:34,872 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 [2019-01-31 14:34:34,872 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 [2019-01-31 14:34:34,873 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 [2019-01-31 14:34:34,874 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 [2019-01-31 14:34:34,875 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 [2019-01-31 14:34:34,875 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-01-31 14:34:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:34,879 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:34:35,605 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-01-31 14:34:35,606 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 [2019-01-31 14:34:35,607 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 [2019-01-31 14:34:35,608 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 [2019-01-31 14:34:35,609 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 [2019-01-31 14:34:35,610 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 [2019-01-31 14:34:35,611 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 [2019-01-31 14:34:35,612 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 [2019-01-31 14:34:35,613 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 [2019-01-31 14:34:35,614 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 [2019-01-31 14:34:35,615 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 [2019-01-31 14:34:35,616 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 [2019-01-31 14:34:35,616 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 [2019-01-31 14:34:35,617 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 [2019-01-31 14:34:35,618 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 [2019-01-31 14:34:35,619 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 [2019-01-31 14:34:35,620 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 [2019-01-31 14:34:35,621 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 [2019-01-31 14:34:35,622 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 [2019-01-31 14:34:35,623 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 [2019-01-31 14:34:35,624 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 [2019-01-31 14:34:35,625 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 [2019-01-31 14:34:35,626 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 [2019-01-31 14:34:35,627 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 [2019-01-31 14:34:35,628 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 [2019-01-31 14:34:35,628 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 [2019-01-31 14:34:35,629 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 [2019-01-31 14:34:35,630 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 [2019-01-31 14:34:35,631 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 [2019-01-31 14:34:35,632 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 [2019-01-31 14:34:35,633 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 [2019-01-31 14:34:35,634 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 [2019-01-31 14:34:35,635 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 [2019-01-31 14:34:35,636 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 [2019-01-31 14:34:35,637 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 [2019-01-31 14:34:35,638 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 [2019-01-31 14:34:35,639 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 [2019-01-31 14:34:35,640 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 [2019-01-31 14:34:35,641 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 [2019-01-31 14:34:35,641 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 [2019-01-31 14:34:35,642 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 [2019-01-31 14:34:35,643 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 [2019-01-31 14:34:35,644 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 [2019-01-31 14:34:35,645 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 [2019-01-31 14:34:35,646 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 [2019-01-31 14:34:35,647 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 [2019-01-31 14:34:35,648 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 [2019-01-31 14:34:35,649 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 [2019-01-31 14:34:35,650 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 [2019-01-31 14:34:35,651 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 [2019-01-31 14:34:35,651 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 [2019-01-31 14:34:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:35,674 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:34:35,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 26 [2019-01-31 14:34:35,674 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:34:35,674 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2019-01-31 14:34:35,675 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:34:35,675 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states. [2019-01-31 14:34:35,736 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:35,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-01-31 14:34:35,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-01-31 14:34:35,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2019-01-31 14:34:35,737 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 27 states. [2019-01-31 14:34:37,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:37,685 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-01-31 14:34:37,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-01-31 14:34:37,686 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2019-01-31 14:34:37,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:34:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-31 14:34:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2019-01-31 14:34:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-31 14:34:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2019-01-31 14:34:37,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 51 states and 56 transitions. [2019-01-31 14:34:37,738 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:37,739 INFO L225 Difference]: With dead ends: 55 [2019-01-31 14:34:37,740 INFO L226 Difference]: Without dead ends: 53 [2019-01-31 14:34:37,740 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 77 SyntacticMatches, 48 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=975, Invalid=1575, Unknown=0, NotChecked=0, Total=2550 [2019-01-31 14:34:37,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-01-31 14:34:38,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-01-31 14:34:38,776 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:34:38,776 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2019-01-31 14:34:38,776 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2019-01-31 14:34:38,777 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2019-01-31 14:34:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:38,777 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-01-31 14:34:38,778 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-01-31 14:34:38,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:34:38,778 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:34:38,778 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2019-01-31 14:34:38,778 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2019-01-31 14:34:38,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:38,779 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-01-31 14:34:38,779 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-01-31 14:34:38,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:34:38,779 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:34:38,779 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:34:38,779 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:34:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-31 14:34:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2019-01-31 14:34:38,780 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 51 [2019-01-31 14:34:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:34:38,780 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2019-01-31 14:34:38,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-01-31 14:34:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-01-31 14:34:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-01-31 14:34:38,780 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:34:38,781 INFO L402 BasicCegarLoop]: trace histogram [24, 24, 1, 1, 1, 1] [2019-01-31 14:34:38,781 INFO L423 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:34:38,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:34:38,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1297428150, now seen corresponding path program 36 times [2019-01-31 14:34:38,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:34:38,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:34:38,782 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:34:38,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:34:38,782 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:34:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:40,525 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 [2019-01-31 14:34:40,526 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 [2019-01-31 14:34:40,527 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 [2019-01-31 14:34:40,528 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 [2019-01-31 14:34:40,529 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 [2019-01-31 14:34:40,530 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 [2019-01-31 14:34:40,531 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 [2019-01-31 14:34:40,532 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 [2019-01-31 14:34:40,533 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 [2019-01-31 14:34:40,534 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 [2019-01-31 14:34:40,535 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 [2019-01-31 14:34:40,536 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 [2019-01-31 14:34:40,537 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 [2019-01-31 14:34:40,538 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 [2019-01-31 14:34:40,539 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 [2019-01-31 14:34:40,540 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 [2019-01-31 14:34:40,541 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 [2019-01-31 14:34:40,542 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 [2019-01-31 14:34:40,543 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 [2019-01-31 14:34:40,544 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 [2019-01-31 14:34:40,545 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 [2019-01-31 14:34:40,546 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 [2019-01-31 14:34:40,547 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 [2019-01-31 14:34:40,548 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 [2019-01-31 14:34:40,550 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 [2019-01-31 14:34:40,551 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 [2019-01-31 14:34:40,552 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 [2019-01-31 14:34:40,553 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 [2019-01-31 14:34:40,554 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 [2019-01-31 14:34:40,555 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 [2019-01-31 14:34:40,556 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 [2019-01-31 14:34:40,557 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 [2019-01-31 14:34:40,558 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 [2019-01-31 14:34:40,559 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 [2019-01-31 14:34:40,560 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 [2019-01-31 14:34:40,561 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 [2019-01-31 14:34:40,562 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 [2019-01-31 14:34:40,563 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 [2019-01-31 14:34:40,564 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 [2019-01-31 14:34:40,565 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 [2019-01-31 14:34:40,566 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 [2019-01-31 14:34:40,567 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 [2019-01-31 14:34:40,568 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 [2019-01-31 14:34:40,569 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 [2019-01-31 14:34:40,570 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 [2019-01-31 14:34:40,571 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 [2019-01-31 14:34:40,572 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 [2019-01-31 14:34:40,573 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 [2019-01-31 14:34:40,574 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 [2019-01-31 14:34:40,575 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 [2019-01-31 14:34:40,576 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 [2019-01-31 14:34:40,576 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-01-31 14:34:40,581 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:34:40,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:40,581 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:34:40,581 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:34:40,582 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:34:40,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:34:40,582 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 [2019-01-31 14:34:40,593 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:34:40,594 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:34:40,626 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:34:40,627 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:34:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:34:40,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:34:42,565 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 [2019-01-31 14:34:42,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:34:42,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:34:42,574 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:34:42,577 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:34:42,577 WARN L398 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))) [2019-01-31 14:34:42,577 WARN L399 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))) [2019-01-31 14:34:42,659 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 [2019-01-31 14:34:42,659 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 [2019-01-31 14:34:42,659 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 [2019-01-31 14:34:42,659 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 [2019-01-31 14:34:42,659 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 [2019-01-31 14:34:42,660 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 [2019-01-31 14:34:42,660 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 [2019-01-31 14:34:42,660 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 [2019-01-31 14:34:42,660 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 [2019-01-31 14:34:42,660 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,661 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 [2019-01-31 14:34:42,662 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 [2019-01-31 14:34:42,662 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 [2019-01-31 14:34:42,662 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 [2019-01-31 14:34:42,662 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 [2019-01-31 14:34:42,662 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 [2019-01-31 14:34:42,662 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 [2019-01-31 14:34:42,663 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 [2019-01-31 14:34:42,663 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 [2019-01-31 14:34:42,664 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 [2019-01-31 14:34:42,665 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 [2019-01-31 14:34:42,665 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 [2019-01-31 14:34:42,666 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 [2019-01-31 14:34:42,667 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 [2019-01-31 14:34:42,668 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 [2019-01-31 14:34:42,669 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 [2019-01-31 14:34:42,670 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 [2019-01-31 14:34:42,671 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 [2019-01-31 14:34:42,672 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 [2019-01-31 14:34:42,673 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 [2019-01-31 14:34:42,674 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 [2019-01-31 14:34:42,675 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 [2019-01-31 14:34:42,676 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 [2019-01-31 14:34:42,677 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 [2019-01-31 14:34:42,678 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 [2019-01-31 14:34:42,679 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 [2019-01-31 14:34:42,680 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 [2019-01-31 14:34:42,681 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 [2019-01-31 14:34:42,683 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 [2019-01-31 14:34:42,684 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 [2019-01-31 14:34:42,685 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 [2019-01-31 14:34:42,686 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 [2019-01-31 14:34:42,687 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 [2019-01-31 14:34:42,687 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-01-31 14:34:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2019-01-31 14:34:42,692 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:34:42,806 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 [2019-01-31 14:34:42,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:34:42,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:34:42,819 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:34:44,931 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-01-31 14:34:44,932 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 [2019-01-31 14:34:44,934 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 [2019-01-31 14:34:44,935 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 [2019-01-31 14:34:44,936 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 [2019-01-31 14:34:44,937 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 [2019-01-31 14:34:44,938 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 [2019-01-31 14:34:44,940 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 [2019-01-31 14:34:44,941 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 [2019-01-31 14:34:44,942 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 [2019-01-31 14:34:44,944 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 [2019-01-31 14:34:44,945 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 [2019-01-31 14:34:44,946 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 [2019-01-31 14:34:44,947 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 [2019-01-31 14:34:44,948 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 [2019-01-31 14:34:44,949 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 [2019-01-31 14:34:44,951 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 [2019-01-31 14:34:44,952 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 [2019-01-31 14:34:44,953 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 [2019-01-31 14:34:44,954 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 [2019-01-31 14:34:44,955 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 [2019-01-31 14:34:44,957 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 [2019-01-31 14:34:44,958 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 [2019-01-31 14:34:44,959 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 [2019-01-31 14:34:44,960 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 [2019-01-31 14:34:44,961 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 [2019-01-31 14:34:44,962 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 [2019-01-31 14:34:44,962 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 [2019-01-31 14:34:44,963 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 [2019-01-31 14:34:44,963 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 [2019-01-31 14:34:44,963 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 [2019-01-31 14:34:44,963 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 [2019-01-31 14:34:44,963 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 [2019-01-31 14:34:44,964 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 [2019-01-31 14:34:44,964 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 [2019-01-31 14:34:44,964 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 [2019-01-31 14:34:44,964 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 [2019-01-31 14:34:44,964 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,965 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 [2019-01-31 14:34:44,966 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 [2019-01-31 14:34:44,966 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 [2019-01-31 14:34:44,966 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 [2019-01-31 14:34:44,966 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 [2019-01-31 14:34:44,966 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 [2019-01-31 14:34:44,966 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 [2019-01-31 14:34:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2019-01-31 14:34:44,988 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:34:44,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 27, 27] total 102 [2019-01-31 14:34:44,988 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:34:44,989 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2019-01-31 14:34:44,989 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:34:44,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states. [2019-01-31 14:34:45,069 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:45,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 77 states [2019-01-31 14:34:45,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2019-01-31 14:34:45,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1402, Invalid=8900, Unknown=0, NotChecked=0, Total=10302 [2019-01-31 14:34:45,071 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 77 states. [2019-01-31 14:34:59,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:34:59,231 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2019-01-31 14:34:59,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2019-01-31 14:34:59,231 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2019-01-31 14:34:59,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:34:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-31 14:34:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-01-31 14:34:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-31 14:34:59,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-01-31 14:34:59,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 80 states and 87 transitions. [2019-01-31 14:34:59,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:34:59,337 INFO L225 Difference]: With dead ends: 83 [2019-01-31 14:34:59,337 INFO L226 Difference]: Without dead ends: 55 [2019-01-31 14:34:59,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=2275, Invalid=14755, Unknown=0, NotChecked=0, Total=17030 [2019-01-31 14:34:59,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-31 14:35:00,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-01-31 14:35:00,497 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:35:00,497 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2019-01-31 14:35:00,498 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2019-01-31 14:35:00,498 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2019-01-31 14:35:00,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:00,499 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-01-31 14:35:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-01-31 14:35:00,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:00,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:00,500 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2019-01-31 14:35:00,500 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2019-01-31 14:35:00,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:00,501 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-01-31 14:35:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-01-31 14:35:00,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:00,501 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:00,501 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:35:00,502 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:35:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-01-31 14:35:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2019-01-31 14:35:00,502 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 52 [2019-01-31 14:35:00,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:35:00,502 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2019-01-31 14:35:00,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2019-01-31 14:35:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-01-31 14:35:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-01-31 14:35:00,504 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:35:00,504 INFO L402 BasicCegarLoop]: trace histogram [25, 25, 1, 1, 1, 1] [2019-01-31 14:35:00,504 INFO L423 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:35:00,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:35:00,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1904013259, now seen corresponding path program 37 times [2019-01-31 14:35:00,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:35:00,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:00,505 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:35:00,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:00,505 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:35:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:02,706 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 [2019-01-31 14:35:02,707 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 [2019-01-31 14:35:02,708 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 [2019-01-31 14:35:02,709 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 [2019-01-31 14:35:02,710 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 [2019-01-31 14:35:02,711 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 [2019-01-31 14:35:02,713 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 [2019-01-31 14:35:02,714 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 [2019-01-31 14:35:02,715 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 [2019-01-31 14:35:02,716 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 [2019-01-31 14:35:02,717 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 [2019-01-31 14:35:02,718 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 [2019-01-31 14:35:02,719 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 [2019-01-31 14:35:02,720 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 [2019-01-31 14:35:02,721 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 [2019-01-31 14:35:02,722 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 [2019-01-31 14:35:02,723 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 [2019-01-31 14:35:02,724 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 [2019-01-31 14:35:02,725 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 [2019-01-31 14:35:02,726 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 [2019-01-31 14:35:02,727 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 [2019-01-31 14:35:02,728 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 [2019-01-31 14:35:02,729 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 [2019-01-31 14:35:02,730 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 [2019-01-31 14:35:02,731 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 [2019-01-31 14:35:02,732 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 [2019-01-31 14:35:02,733 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 [2019-01-31 14:35:02,734 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 [2019-01-31 14:35:02,735 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 [2019-01-31 14:35:02,736 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 [2019-01-31 14:35:02,737 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 [2019-01-31 14:35:02,738 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 [2019-01-31 14:35:02,739 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 [2019-01-31 14:35:02,740 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 [2019-01-31 14:35:02,741 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 [2019-01-31 14:35:02,742 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 [2019-01-31 14:35:02,743 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 [2019-01-31 14:35:02,744 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 [2019-01-31 14:35:02,745 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 [2019-01-31 14:35:02,746 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 [2019-01-31 14:35:02,747 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 [2019-01-31 14:35:02,759 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 [2019-01-31 14:35:02,760 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 [2019-01-31 14:35:02,760 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 [2019-01-31 14:35:02,761 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 [2019-01-31 14:35:02,761 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 [2019-01-31 14:35:02,762 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 [2019-01-31 14:35:02,763 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 [2019-01-31 14:35:02,764 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 [2019-01-31 14:35:02,765 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 [2019-01-31 14:35:02,766 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 [2019-01-31 14:35:02,767 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 [2019-01-31 14:35:02,769 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 [2019-01-31 14:35:02,769 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-01-31 14:35:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:02,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:02,780 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:35:02,780 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:35:02,780 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:35:02,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:02,781 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 [2019-01-31 14:35:02,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:35:02,790 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:35:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:02,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:35:04,772 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 [2019-01-31 14:35:04,773 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:35:04,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:35:04,780 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:35:04,782 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:35:04,782 WARN L398 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)) [2019-01-31 14:35:04,783 WARN L399 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))) [2019-01-31 14:35:04,862 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 [2019-01-31 14:35:04,863 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 [2019-01-31 14:35:04,864 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 [2019-01-31 14:35:04,865 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 [2019-01-31 14:35:04,866 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 [2019-01-31 14:35:04,884 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 [2019-01-31 14:35:04,891 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 [2019-01-31 14:35:04,892 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 [2019-01-31 14:35:04,892 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 [2019-01-31 14:35:04,893 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 [2019-01-31 14:35:04,894 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 [2019-01-31 14:35:04,895 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 [2019-01-31 14:35:04,896 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 [2019-01-31 14:35:04,897 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 [2019-01-31 14:35:04,898 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 [2019-01-31 14:35:04,899 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 [2019-01-31 14:35:04,900 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 [2019-01-31 14:35:04,901 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 [2019-01-31 14:35:04,902 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 [2019-01-31 14:35:04,903 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 [2019-01-31 14:35:04,904 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 [2019-01-31 14:35:04,905 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 [2019-01-31 14:35:04,906 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 [2019-01-31 14:35:04,907 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 [2019-01-31 14:35:04,908 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 [2019-01-31 14:35:04,909 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 [2019-01-31 14:35:04,910 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 [2019-01-31 14:35:04,911 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 [2019-01-31 14:35:04,912 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 [2019-01-31 14:35:04,913 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 [2019-01-31 14:35:04,913 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 [2019-01-31 14:35:04,914 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 [2019-01-31 14:35:04,915 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 [2019-01-31 14:35:04,916 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 [2019-01-31 14:35:04,917 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 [2019-01-31 14:35:04,918 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 [2019-01-31 14:35:04,918 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 [2019-01-31 14:35:04,919 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 [2019-01-31 14:35:04,920 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 [2019-01-31 14:35:04,921 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 [2019-01-31 14:35:04,922 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 [2019-01-31 14:35:04,923 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 [2019-01-31 14:35:04,923 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 [2019-01-31 14:35:04,924 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 [2019-01-31 14:35:04,925 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 [2019-01-31 14:35:04,926 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 [2019-01-31 14:35:04,927 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 [2019-01-31 14:35:04,928 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 [2019-01-31 14:35:04,929 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 [2019-01-31 14:35:04,937 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 [2019-01-31 14:35:04,938 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 [2019-01-31 14:35:04,938 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 [2019-01-31 14:35:04,939 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 [2019-01-31 14:35:04,939 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-01-31 14:35:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:04,945 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:35:04,976 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 [2019-01-31 14:35:04,978 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:35:05,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:35:05,019 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:35:05,021 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:35:05,021 WARN L398 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))))) [2019-01-31 14:35:05,021 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:35:05,786 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-01-31 14:35:05,787 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 [2019-01-31 14:35:05,788 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 [2019-01-31 14:35:05,789 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 [2019-01-31 14:35:05,790 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 [2019-01-31 14:35:05,791 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 [2019-01-31 14:35:05,792 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 [2019-01-31 14:35:05,794 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 [2019-01-31 14:35:05,795 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 [2019-01-31 14:35:05,796 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 [2019-01-31 14:35:05,797 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 [2019-01-31 14:35:05,798 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 [2019-01-31 14:35:05,799 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 [2019-01-31 14:35:05,800 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 [2019-01-31 14:35:05,801 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 [2019-01-31 14:35:05,804 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 [2019-01-31 14:35:05,805 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 [2019-01-31 14:35:05,806 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 [2019-01-31 14:35:05,806 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 [2019-01-31 14:35:05,807 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 [2019-01-31 14:35:05,807 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 [2019-01-31 14:35:05,808 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 [2019-01-31 14:35:05,809 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 [2019-01-31 14:35:05,810 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 [2019-01-31 14:35:05,811 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 [2019-01-31 14:35:05,812 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 [2019-01-31 14:35:05,813 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 [2019-01-31 14:35:05,814 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 [2019-01-31 14:35:05,836 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 [2019-01-31 14:35:05,853 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 [2019-01-31 14:35:05,867 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 [2019-01-31 14:35:05,881 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 [2019-01-31 14:35:05,897 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 [2019-01-31 14:35:05,906 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 [2019-01-31 14:35:05,919 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 [2019-01-31 14:35:05,932 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 [2019-01-31 14:35:05,948 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 [2019-01-31 14:35:05,957 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 [2019-01-31 14:35:05,970 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 [2019-01-31 14:35:05,982 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 [2019-01-31 14:35:05,995 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 [2019-01-31 14:35:06,010 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 [2019-01-31 14:35:06,019 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 [2019-01-31 14:35:06,032 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 [2019-01-31 14:35:06,044 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 [2019-01-31 14:35:06,050 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 [2019-01-31 14:35:06,052 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 [2019-01-31 14:35:06,052 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 [2019-01-31 14:35:06,054 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 [2019-01-31 14:35:06,055 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 [2019-01-31 14:35:06,056 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 [2019-01-31 14:35:06,057 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 [2019-01-31 14:35:06,058 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 [2019-01-31 14:35:06,059 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 [2019-01-31 14:35:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:06,082 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:35:06,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 81 [2019-01-31 14:35:06,082 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:35:06,083 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2019-01-31 14:35:06,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:35:06,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 82 states. [2019-01-31 14:35:06,177 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:35:06,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 82 states [2019-01-31 14:35:06,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2019-01-31 14:35:06,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=6401, Unknown=0, NotChecked=0, Total=6642 [2019-01-31 14:35:06,178 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 82 states. [2019-01-31 14:35:18,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:18,504 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2019-01-31 14:35:18,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-01-31 14:35:18,504 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2019-01-31 14:35:18,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:35:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-01-31 14:35:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2019-01-31 14:35:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-01-31 14:35:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2019-01-31 14:35:18,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 57 states and 62 transitions. [2019-01-31 14:35:18,571 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:35:18,572 INFO L225 Difference]: With dead ends: 84 [2019-01-31 14:35:18,572 INFO L226 Difference]: Without dead ends: 56 [2019-01-31 14:35:18,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 59 SyntacticMatches, 20 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=510, Invalid=11480, Unknown=0, NotChecked=0, Total=11990 [2019-01-31 14:35:18,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-01-31 14:35:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-01-31 14:35:19,735 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:35:19,735 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2019-01-31 14:35:19,735 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2019-01-31 14:35:19,735 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2019-01-31 14:35:19,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:19,736 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-01-31 14:35:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-31 14:35:19,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:19,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:19,737 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2019-01-31 14:35:19,737 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2019-01-31 14:35:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:19,738 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-01-31 14:35:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-31 14:35:19,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:19,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:19,739 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:35:19,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:35:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-31 14:35:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2019-01-31 14:35:19,740 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 54 [2019-01-31 14:35:19,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:35:19,740 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2019-01-31 14:35:19,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 82 states. [2019-01-31 14:35:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-31 14:35:19,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-01-31 14:35:19,741 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:35:19,741 INFO L402 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1, 1] [2019-01-31 14:35:19,741 INFO L423 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:35:19,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:35:19,741 INFO L82 PathProgramCache]: Analyzing trace with hash 488997932, now seen corresponding path program 38 times [2019-01-31 14:35:19,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:35:19,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:19,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:35:19,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:19,742 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:35:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:20,674 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 [2019-01-31 14:35:20,676 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 [2019-01-31 14:35:20,676 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 [2019-01-31 14:35:20,677 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 [2019-01-31 14:35:20,678 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 [2019-01-31 14:35:20,679 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 [2019-01-31 14:35:20,680 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 [2019-01-31 14:35:20,681 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 [2019-01-31 14:35:20,682 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 [2019-01-31 14:35:20,683 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 [2019-01-31 14:35:20,684 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 [2019-01-31 14:35:20,685 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 [2019-01-31 14:35:20,686 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 [2019-01-31 14:35:20,687 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 [2019-01-31 14:35:20,688 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 [2019-01-31 14:35:20,688 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 [2019-01-31 14:35:20,689 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 [2019-01-31 14:35:20,690 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 [2019-01-31 14:35:20,691 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 [2019-01-31 14:35:20,692 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 [2019-01-31 14:35:20,693 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 [2019-01-31 14:35:20,694 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 [2019-01-31 14:35:20,695 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 [2019-01-31 14:35:20,696 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 [2019-01-31 14:35:20,697 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 [2019-01-31 14:35:20,698 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 [2019-01-31 14:35:20,699 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 [2019-01-31 14:35:20,700 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 [2019-01-31 14:35:20,700 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 [2019-01-31 14:35:20,701 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 [2019-01-31 14:35:20,702 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 [2019-01-31 14:35:20,703 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 [2019-01-31 14:35:20,704 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 [2019-01-31 14:35:20,705 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 [2019-01-31 14:35:20,706 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 [2019-01-31 14:35:20,707 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 [2019-01-31 14:35:20,708 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 [2019-01-31 14:35:20,709 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 [2019-01-31 14:35:20,710 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 [2019-01-31 14:35:20,711 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 [2019-01-31 14:35:20,712 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 [2019-01-31 14:35:20,712 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 [2019-01-31 14:35:20,713 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 [2019-01-31 14:35:20,714 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 [2019-01-31 14:35:20,715 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 [2019-01-31 14:35:20,716 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 [2019-01-31 14:35:20,717 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 [2019-01-31 14:35:20,718 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 [2019-01-31 14:35:20,719 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 [2019-01-31 14:35:20,720 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 [2019-01-31 14:35:20,721 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 [2019-01-31 14:35:20,722 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 [2019-01-31 14:35:20,723 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 [2019-01-31 14:35:20,723 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 [2019-01-31 14:35:20,723 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-01-31 14:35:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:20,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:20,728 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:35:20,728 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:35:20,728 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:35:20,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:20,728 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 [2019-01-31 14:35:20,736 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:35:20,736 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:35:20,865 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2019-01-31 14:35:20,865 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:35:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:20,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:35:21,149 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 [2019-01-31 14:35:21,150 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 [2019-01-31 14:35:21,151 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 [2019-01-31 14:35:21,152 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 [2019-01-31 14:35:21,153 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 [2019-01-31 14:35:21,154 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 [2019-01-31 14:35:21,155 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 [2019-01-31 14:35:21,156 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 [2019-01-31 14:35:21,157 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 [2019-01-31 14:35:21,158 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 [2019-01-31 14:35:21,159 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 [2019-01-31 14:35:21,159 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 [2019-01-31 14:35:21,160 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 [2019-01-31 14:35:21,161 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 [2019-01-31 14:35:21,162 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 [2019-01-31 14:35:21,163 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 [2019-01-31 14:35:21,164 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 [2019-01-31 14:35:21,165 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 [2019-01-31 14:35:21,166 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 [2019-01-31 14:35:21,167 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 [2019-01-31 14:35:21,168 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 [2019-01-31 14:35:21,169 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 [2019-01-31 14:35:21,170 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 [2019-01-31 14:35:21,170 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 [2019-01-31 14:35:21,171 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 [2019-01-31 14:35:21,172 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 [2019-01-31 14:35:21,173 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 [2019-01-31 14:35:21,174 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 [2019-01-31 14:35:21,175 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 [2019-01-31 14:35:21,176 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 [2019-01-31 14:35:21,177 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 [2019-01-31 14:35:21,178 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 [2019-01-31 14:35:21,179 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 [2019-01-31 14:35:21,180 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 [2019-01-31 14:35:21,181 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 [2019-01-31 14:35:21,181 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 [2019-01-31 14:35:21,182 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 [2019-01-31 14:35:21,183 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 [2019-01-31 14:35:21,184 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 [2019-01-31 14:35:21,185 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 [2019-01-31 14:35:21,186 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 [2019-01-31 14:35:21,187 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 [2019-01-31 14:35:21,188 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 [2019-01-31 14:35:21,189 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 [2019-01-31 14:35:21,190 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 [2019-01-31 14:35:21,191 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 [2019-01-31 14:35:21,192 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 [2019-01-31 14:35:21,192 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 [2019-01-31 14:35:21,193 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 [2019-01-31 14:35:21,194 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 [2019-01-31 14:35:21,195 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 [2019-01-31 14:35:21,196 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 [2019-01-31 14:35:21,197 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 [2019-01-31 14:35:21,198 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 [2019-01-31 14:35:21,198 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-01-31 14:35:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:21,201 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:35:22,298 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-01-31 14:35:22,299 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 [2019-01-31 14:35:22,300 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 [2019-01-31 14:35:22,301 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 [2019-01-31 14:35:22,302 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 [2019-01-31 14:35:22,303 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 [2019-01-31 14:35:22,304 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 [2019-01-31 14:35:22,305 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 [2019-01-31 14:35:22,306 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 [2019-01-31 14:35:22,307 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 [2019-01-31 14:35:22,308 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 [2019-01-31 14:35:22,308 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 [2019-01-31 14:35:22,309 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 [2019-01-31 14:35:22,310 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 [2019-01-31 14:35:22,311 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 [2019-01-31 14:35:22,312 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 [2019-01-31 14:35:22,313 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 [2019-01-31 14:35:22,314 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 [2019-01-31 14:35:22,315 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 [2019-01-31 14:35:22,316 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 [2019-01-31 14:35:22,317 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 [2019-01-31 14:35:22,318 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 [2019-01-31 14:35:22,319 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 [2019-01-31 14:35:22,319 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 [2019-01-31 14:35:22,320 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 [2019-01-31 14:35:22,321 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 [2019-01-31 14:35:22,322 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 [2019-01-31 14:35:22,323 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 [2019-01-31 14:35:22,324 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 [2019-01-31 14:35:22,325 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 [2019-01-31 14:35:22,326 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 [2019-01-31 14:35:22,327 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 [2019-01-31 14:35:22,328 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 [2019-01-31 14:35:22,329 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 [2019-01-31 14:35:22,330 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 [2019-01-31 14:35:22,331 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 [2019-01-31 14:35:22,332 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 [2019-01-31 14:35:22,332 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 [2019-01-31 14:35:22,333 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 [2019-01-31 14:35:22,334 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 [2019-01-31 14:35:22,335 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 [2019-01-31 14:35:22,336 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 [2019-01-31 14:35:22,337 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 [2019-01-31 14:35:22,338 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 [2019-01-31 14:35:22,339 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 [2019-01-31 14:35:22,340 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 [2019-01-31 14:35:22,341 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 [2019-01-31 14:35:22,342 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 [2019-01-31 14:35:22,343 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 [2019-01-31 14:35:22,343 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 [2019-01-31 14:35:22,344 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 [2019-01-31 14:35:22,345 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 [2019-01-31 14:35:22,346 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 [2019-01-31 14:35:22,347 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 [2019-01-31 14:35:22,348 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 [2019-01-31 14:35:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:22,372 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:35:22,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 28 [2019-01-31 14:35:22,372 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:35:22,372 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2019-01-31 14:35:22,372 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:35:22,372 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2019-01-31 14:35:22,445 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:35:22,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-01-31 14:35:22,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-01-31 14:35:22,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2019-01-31 14:35:22,446 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 29 states. [2019-01-31 14:35:24,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:24,400 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-01-31 14:35:24,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-01-31 14:35:24,401 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2019-01-31 14:35:24,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:35:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-31 14:35:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2019-01-31 14:35:24,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-31 14:35:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2019-01-31 14:35:24,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 60 transitions. [2019-01-31 14:35:24,453 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:35:24,454 INFO L225 Difference]: With dead ends: 59 [2019-01-31 14:35:24,454 INFO L226 Difference]: Without dead ends: 57 [2019-01-31 14:35:24,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 83 SyntacticMatches, 52 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1134, Invalid=1836, Unknown=0, NotChecked=0, Total=2970 [2019-01-31 14:35:24,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-31 14:35:25,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-31 14:35:25,658 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:35:25,658 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 57 states. [2019-01-31 14:35:25,658 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2019-01-31 14:35:25,658 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2019-01-31 14:35:25,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:25,659 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2019-01-31 14:35:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-31 14:35:25,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:25,660 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:25,660 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2019-01-31 14:35:25,660 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2019-01-31 14:35:25,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:25,661 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2019-01-31 14:35:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-31 14:35:25,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:25,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:25,661 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:35:25,661 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:35:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-31 14:35:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2019-01-31 14:35:25,662 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 55 [2019-01-31 14:35:25,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:35:25,662 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2019-01-31 14:35:25,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-01-31 14:35:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-31 14:35:25,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-31 14:35:25,663 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:35:25,663 INFO L402 BasicCegarLoop]: trace histogram [26, 26, 1, 1, 1, 1] [2019-01-31 14:35:25,663 INFO L423 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:35:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:35:25,664 INFO L82 PathProgramCache]: Analyzing trace with hash -2020931478, now seen corresponding path program 39 times [2019-01-31 14:35:25,664 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:35:25,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:25,664 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:35:25,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:25,664 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:35:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:28,344 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 [2019-01-31 14:35:28,345 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 [2019-01-31 14:35:28,346 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 [2019-01-31 14:35:28,347 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 [2019-01-31 14:35:28,348 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 [2019-01-31 14:35:28,349 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 [2019-01-31 14:35:28,350 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 [2019-01-31 14:35:28,351 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 [2019-01-31 14:35:28,352 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 [2019-01-31 14:35:28,353 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 [2019-01-31 14:35:28,354 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 [2019-01-31 14:35:28,355 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 [2019-01-31 14:35:28,356 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 [2019-01-31 14:35:28,357 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 [2019-01-31 14:35:28,358 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 [2019-01-31 14:35:28,359 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 [2019-01-31 14:35:28,360 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 [2019-01-31 14:35:28,361 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 [2019-01-31 14:35:28,362 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 [2019-01-31 14:35:28,363 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 [2019-01-31 14:35:28,364 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 [2019-01-31 14:35:28,365 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 [2019-01-31 14:35:28,366 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 [2019-01-31 14:35:28,367 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 [2019-01-31 14:35:28,368 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 [2019-01-31 14:35:28,370 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 [2019-01-31 14:35:28,371 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 [2019-01-31 14:35:28,372 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 [2019-01-31 14:35:28,373 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 [2019-01-31 14:35:28,374 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 [2019-01-31 14:35:28,375 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 [2019-01-31 14:35:28,376 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 [2019-01-31 14:35:28,377 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 [2019-01-31 14:35:28,378 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 [2019-01-31 14:35:28,379 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 [2019-01-31 14:35:28,380 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 [2019-01-31 14:35:28,381 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 [2019-01-31 14:35:28,382 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 [2019-01-31 14:35:28,383 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 [2019-01-31 14:35:28,384 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 [2019-01-31 14:35:28,385 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 [2019-01-31 14:35:28,386 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 [2019-01-31 14:35:28,387 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 [2019-01-31 14:35:28,388 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 [2019-01-31 14:35:28,389 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 [2019-01-31 14:35:28,390 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 [2019-01-31 14:35:28,391 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 [2019-01-31 14:35:28,392 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 [2019-01-31 14:35:28,393 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 [2019-01-31 14:35:28,394 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 [2019-01-31 14:35:28,395 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 [2019-01-31 14:35:28,396 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 [2019-01-31 14:35:28,397 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 [2019-01-31 14:35:28,398 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 [2019-01-31 14:35:28,399 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 [2019-01-31 14:35:28,399 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-01-31 14:35:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:28,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:28,405 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:35:28,405 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:35:28,405 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:35:28,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:28,405 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 [2019-01-31 14:35:28,414 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:35:28,415 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:35:28,452 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:35:28,453 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:35:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:28,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:35:30,356 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 [2019-01-31 14:35:30,358 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:35:30,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:35:30,366 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:35:30,368 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:35:30,369 WARN L398 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))) [2019-01-31 14:35:30,369 WARN L399 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))) [2019-01-31 14:35:30,456 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 [2019-01-31 14:35:30,457 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 [2019-01-31 14:35:30,457 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 [2019-01-31 14:35:30,457 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 [2019-01-31 14:35:30,457 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 [2019-01-31 14:35:30,457 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,458 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,459 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 [2019-01-31 14:35:30,460 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 [2019-01-31 14:35:30,460 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 [2019-01-31 14:35:30,460 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 [2019-01-31 14:35:30,460 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 [2019-01-31 14:35:30,460 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 [2019-01-31 14:35:30,461 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 [2019-01-31 14:35:30,462 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 [2019-01-31 14:35:30,462 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 [2019-01-31 14:35:30,463 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 [2019-01-31 14:35:30,464 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 [2019-01-31 14:35:30,465 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 [2019-01-31 14:35:30,466 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 [2019-01-31 14:35:30,467 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 [2019-01-31 14:35:30,468 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 [2019-01-31 14:35:30,469 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 [2019-01-31 14:35:30,470 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 [2019-01-31 14:35:30,471 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 [2019-01-31 14:35:30,473 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 [2019-01-31 14:35:30,474 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 [2019-01-31 14:35:30,475 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 [2019-01-31 14:35:30,476 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 [2019-01-31 14:35:30,477 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 [2019-01-31 14:35:30,478 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 [2019-01-31 14:35:30,479 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 [2019-01-31 14:35:30,480 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 [2019-01-31 14:35:30,481 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 [2019-01-31 14:35:30,482 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 [2019-01-31 14:35:30,483 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 [2019-01-31 14:35:30,484 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 [2019-01-31 14:35:30,485 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 [2019-01-31 14:35:30,486 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 [2019-01-31 14:35:30,488 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 [2019-01-31 14:35:30,488 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-01-31 14:35:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-01-31 14:35:30,498 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:35:30,623 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 [2019-01-31 14:35:30,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:35:30,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:35:30,637 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:35:33,159 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-01-31 14:35:33,161 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 [2019-01-31 14:35:33,162 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 [2019-01-31 14:35:33,163 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 [2019-01-31 14:35:33,164 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 [2019-01-31 14:35:33,165 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 [2019-01-31 14:35:33,167 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 [2019-01-31 14:35:33,168 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 [2019-01-31 14:35:33,169 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 [2019-01-31 14:35:33,170 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 [2019-01-31 14:35:33,171 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 [2019-01-31 14:35:33,172 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 [2019-01-31 14:35:33,173 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 [2019-01-31 14:35:33,181 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 [2019-01-31 14:35:33,182 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 [2019-01-31 14:35:33,183 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 [2019-01-31 14:35:33,184 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 [2019-01-31 14:35:33,185 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 [2019-01-31 14:35:33,186 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 [2019-01-31 14:35:33,187 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 [2019-01-31 14:35:33,188 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 [2019-01-31 14:35:33,189 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 [2019-01-31 14:35:33,190 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 [2019-01-31 14:35:33,192 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 [2019-01-31 14:35:33,193 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 [2019-01-31 14:35:33,194 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 [2019-01-31 14:35:33,195 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 [2019-01-31 14:35:33,196 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 [2019-01-31 14:35:33,197 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 [2019-01-31 14:35:33,197 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 [2019-01-31 14:35:33,198 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 [2019-01-31 14:35:33,198 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 [2019-01-31 14:35:33,198 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 [2019-01-31 14:35:33,198 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 [2019-01-31 14:35:33,198 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 [2019-01-31 14:35:33,199 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 [2019-01-31 14:35:33,199 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 [2019-01-31 14:35:33,199 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 [2019-01-31 14:35:33,199 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 [2019-01-31 14:35:33,199 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 [2019-01-31 14:35:33,199 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 [2019-01-31 14:35:33,199 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,200 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 [2019-01-31 14:35:33,201 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 [2019-01-31 14:35:33,201 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 [2019-01-31 14:35:33,201 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 [2019-01-31 14:35:33,201 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 [2019-01-31 14:35:33,201 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 [2019-01-31 14:35:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-01-31 14:35:33,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:35:33,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 29, 29] total 110 [2019-01-31 14:35:33,226 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:35:33,226 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2019-01-31 14:35:33,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:35:33,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 83 states. [2019-01-31 14:35:33,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:35:33,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 83 states [2019-01-31 14:35:33,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2019-01-31 14:35:33,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1622, Invalid=10368, Unknown=0, NotChecked=0, Total=11990 [2019-01-31 14:35:33,318 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 83 states. [2019-01-31 14:35:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:49,596 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2019-01-31 14:35:49,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2019-01-31 14:35:49,596 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2019-01-31 14:35:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:35:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-31 14:35:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2019-01-31 14:35:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-31 14:35:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2019-01-31 14:35:49,598 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 86 states and 93 transitions. [2019-01-31 14:35:49,708 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:35:49,709 INFO L225 Difference]: With dead ends: 89 [2019-01-31 14:35:49,709 INFO L226 Difference]: Without dead ends: 59 [2019-01-31 14:35:49,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=2617, Invalid=17123, Unknown=0, NotChecked=0, Total=19740 [2019-01-31 14:35:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-31 14:35:51,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-31 14:35:51,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:35:51,003 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2019-01-31 14:35:51,003 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2019-01-31 14:35:51,003 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2019-01-31 14:35:51,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:51,005 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-01-31 14:35:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-01-31 14:35:51,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:51,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:51,005 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2019-01-31 14:35:51,005 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2019-01-31 14:35:51,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:35:51,006 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-01-31 14:35:51,006 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-01-31 14:35:51,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:35:51,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:35:51,007 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:35:51,007 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:35:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-31 14:35:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2019-01-31 14:35:51,008 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 56 [2019-01-31 14:35:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:35:51,008 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2019-01-31 14:35:51,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2019-01-31 14:35:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-01-31 14:35:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-31 14:35:51,009 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:35:51,009 INFO L402 BasicCegarLoop]: trace histogram [27, 27, 1, 1, 1, 1] [2019-01-31 14:35:51,009 INFO L423 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:35:51,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:35:51,009 INFO L82 PathProgramCache]: Analyzing trace with hash -190119787, now seen corresponding path program 40 times [2019-01-31 14:35:51,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:35:51,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:51,010 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:35:51,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:35:51,010 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:35:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:53,460 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 [2019-01-31 14:35:53,461 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 [2019-01-31 14:35:53,462 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 [2019-01-31 14:35:53,463 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 [2019-01-31 14:35:53,464 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 [2019-01-31 14:35:53,465 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 [2019-01-31 14:35:53,466 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 [2019-01-31 14:35:53,467 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 [2019-01-31 14:35:53,468 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 [2019-01-31 14:35:53,469 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 [2019-01-31 14:35:53,470 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 [2019-01-31 14:35:53,471 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 [2019-01-31 14:35:53,472 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 [2019-01-31 14:35:53,473 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 [2019-01-31 14:35:53,474 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 [2019-01-31 14:35:53,475 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 [2019-01-31 14:35:53,476 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 [2019-01-31 14:35:53,477 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 [2019-01-31 14:35:53,478 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 [2019-01-31 14:35:53,479 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 [2019-01-31 14:35:53,480 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 [2019-01-31 14:35:53,481 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 [2019-01-31 14:35:53,482 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 [2019-01-31 14:35:53,483 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 [2019-01-31 14:35:53,484 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 [2019-01-31 14:35:53,485 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 [2019-01-31 14:35:53,486 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 [2019-01-31 14:35:53,487 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 [2019-01-31 14:35:53,488 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 [2019-01-31 14:35:53,489 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 [2019-01-31 14:35:53,490 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 [2019-01-31 14:35:53,492 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 [2019-01-31 14:35:53,493 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 [2019-01-31 14:35:53,494 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 [2019-01-31 14:35:53,495 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 [2019-01-31 14:35:53,496 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 [2019-01-31 14:35:53,497 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 [2019-01-31 14:35:53,498 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 [2019-01-31 14:35:53,499 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 [2019-01-31 14:35:53,500 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 [2019-01-31 14:35:53,501 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 [2019-01-31 14:35:53,502 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 [2019-01-31 14:35:53,503 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 [2019-01-31 14:35:53,504 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 [2019-01-31 14:35:53,505 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 [2019-01-31 14:35:53,506 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 [2019-01-31 14:35:53,507 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 [2019-01-31 14:35:53,508 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 [2019-01-31 14:35:53,509 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 [2019-01-31 14:35:53,510 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 [2019-01-31 14:35:53,511 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 [2019-01-31 14:35:53,512 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 [2019-01-31 14:35:53,517 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 [2019-01-31 14:35:53,518 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 [2019-01-31 14:35:53,518 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 [2019-01-31 14:35:53,519 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 [2019-01-31 14:35:53,520 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 [2019-01-31 14:35:53,520 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-01-31 14:35:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:53,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:53,527 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:35:53,527 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:35:53,527 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:35:53,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:35:53,527 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 [2019-01-31 14:35:53,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:35:53,536 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:35:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:35:53,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:35:55,819 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 [2019-01-31 14:35:55,821 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:35:55,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:35:55,827 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:35:55,829 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:35:55,830 WARN L398 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)) [2019-01-31 14:35:55,830 WARN L399 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)) [2019-01-31 14:35:55,913 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 [2019-01-31 14:35:55,914 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 [2019-01-31 14:35:55,915 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 [2019-01-31 14:35:55,916 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 [2019-01-31 14:35:55,917 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 [2019-01-31 14:35:55,918 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 [2019-01-31 14:35:55,919 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 [2019-01-31 14:35:55,920 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 [2019-01-31 14:35:55,921 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 [2019-01-31 14:35:55,922 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 [2019-01-31 14:35:55,923 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 [2019-01-31 14:35:55,924 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 [2019-01-31 14:35:55,925 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 [2019-01-31 14:35:55,926 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 [2019-01-31 14:35:55,927 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 [2019-01-31 14:35:55,928 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 [2019-01-31 14:35:55,929 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 [2019-01-31 14:35:55,930 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 [2019-01-31 14:35:55,931 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 [2019-01-31 14:35:55,932 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 [2019-01-31 14:35:55,933 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 [2019-01-31 14:35:55,934 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 [2019-01-31 14:35:55,935 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 [2019-01-31 14:35:55,936 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 [2019-01-31 14:35:55,937 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 [2019-01-31 14:35:55,938 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 [2019-01-31 14:35:55,939 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 [2019-01-31 14:35:55,940 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 [2019-01-31 14:35:55,941 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 [2019-01-31 14:35:55,942 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 [2019-01-31 14:35:55,943 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 [2019-01-31 14:35:55,943 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 [2019-01-31 14:35:55,944 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 [2019-01-31 14:35:55,945 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 [2019-01-31 14:35:55,946 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 [2019-01-31 14:35:55,947 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 [2019-01-31 14:35:55,948 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 [2019-01-31 14:35:55,949 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 [2019-01-31 14:35:55,949 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 [2019-01-31 14:35:55,950 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 [2019-01-31 14:35:55,951 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 [2019-01-31 14:35:55,952 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 [2019-01-31 14:35:55,953 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 [2019-01-31 14:35:55,954 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 [2019-01-31 14:35:55,955 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 [2019-01-31 14:35:55,956 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 [2019-01-31 14:35:55,956 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 [2019-01-31 14:35:55,957 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 [2019-01-31 14:35:55,958 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 [2019-01-31 14:35:55,959 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 [2019-01-31 14:35:55,960 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 [2019-01-31 14:35:55,961 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 [2019-01-31 14:35:55,962 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 [2019-01-31 14:35:55,963 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 [2019-01-31 14:35:55,964 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 [2019-01-31 14:35:55,965 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 [2019-01-31 14:35:55,966 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 [2019-01-31 14:35:55,966 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-01-31 14:35:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:55,973 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:35:56,003 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 [2019-01-31 14:35:56,005 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:35:56,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:35:56,008 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:35:56,010 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:35:56,011 WARN L398 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))))) [2019-01-31 14:35:56,011 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:35:56,912 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-01-31 14:35:56,914 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 [2019-01-31 14:35:56,915 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 [2019-01-31 14:35:56,916 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 [2019-01-31 14:35:56,917 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 [2019-01-31 14:35:56,918 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 [2019-01-31 14:35:56,919 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 [2019-01-31 14:35:56,920 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 [2019-01-31 14:35:56,921 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 [2019-01-31 14:35:56,922 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 [2019-01-31 14:35:56,923 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 [2019-01-31 14:35:56,924 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 [2019-01-31 14:35:56,925 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 [2019-01-31 14:35:56,926 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 [2019-01-31 14:35:56,927 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 [2019-01-31 14:35:56,928 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 [2019-01-31 14:35:56,929 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 [2019-01-31 14:35:56,930 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 [2019-01-31 14:35:56,931 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 [2019-01-31 14:35:56,932 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 [2019-01-31 14:35:56,933 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 [2019-01-31 14:35:56,934 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 [2019-01-31 14:35:56,935 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 [2019-01-31 14:35:56,936 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 [2019-01-31 14:35:56,937 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 [2019-01-31 14:35:56,938 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 [2019-01-31 14:35:56,939 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 [2019-01-31 14:35:56,940 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 [2019-01-31 14:35:56,941 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 [2019-01-31 14:35:56,942 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 [2019-01-31 14:35:56,943 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 [2019-01-31 14:35:56,944 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 [2019-01-31 14:35:56,945 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 [2019-01-31 14:35:56,946 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 [2019-01-31 14:35:56,947 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 [2019-01-31 14:35:56,948 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 [2019-01-31 14:35:56,949 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 [2019-01-31 14:35:56,950 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 [2019-01-31 14:35:56,951 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 [2019-01-31 14:35:56,952 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 [2019-01-31 14:35:56,953 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 [2019-01-31 14:35:56,954 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 [2019-01-31 14:35:56,955 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 [2019-01-31 14:35:56,956 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 [2019-01-31 14:35:56,957 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 [2019-01-31 14:35:56,958 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 [2019-01-31 14:35:56,959 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 [2019-01-31 14:35:56,960 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 [2019-01-31 14:35:56,961 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 [2019-01-31 14:35:56,962 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 [2019-01-31 14:35:56,963 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 [2019-01-31 14:35:56,964 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 [2019-01-31 14:35:56,965 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 [2019-01-31 14:35:56,966 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 [2019-01-31 14:35:56,967 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 [2019-01-31 14:35:56,968 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 [2019-01-31 14:35:56,969 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 [2019-01-31 14:35:56,970 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 [2019-01-31 14:35:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:35:56,994 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:35:56,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 87 [2019-01-31 14:35:56,995 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:35:56,995 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2019-01-31 14:35:56,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:35:56,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 88 states. [2019-01-31 14:35:57,092 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:35:57,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 88 states [2019-01-31 14:35:57,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2019-01-31 14:35:57,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=7397, Unknown=0, NotChecked=0, Total=7656 [2019-01-31 14:35:57,093 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 88 states. [2019-01-31 14:36:11,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:11,991 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2019-01-31 14:36:11,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-01-31 14:36:11,991 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2019-01-31 14:36:11,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:36:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-01-31 14:36:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-01-31 14:36:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-01-31 14:36:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-01-31 14:36:11,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 61 states and 66 transitions. [2019-01-31 14:36:12,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:36:12,066 INFO L225 Difference]: With dead ends: 90 [2019-01-31 14:36:12,066 INFO L226 Difference]: Without dead ends: 60 [2019-01-31 14:36:12,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 63 SyntacticMatches, 22 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2281 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=548, Invalid=13258, Unknown=0, NotChecked=0, Total=13806 [2019-01-31 14:36:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-31 14:36:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-31 14:36:13,659 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:36:13,660 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2019-01-31 14:36:13,660 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2019-01-31 14:36:13,660 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2019-01-31 14:36:13,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:13,661 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2019-01-31 14:36:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-31 14:36:13,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:36:13,662 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:36:13,662 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2019-01-31 14:36:13,662 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2019-01-31 14:36:13,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:13,663 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2019-01-31 14:36:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-31 14:36:13,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:36:13,663 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:36:13,663 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:36:13,663 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:36:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-31 14:36:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-01-31 14:36:13,664 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 58 [2019-01-31 14:36:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:36:13,664 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-01-31 14:36:13,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 88 states. [2019-01-31 14:36:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-31 14:36:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-01-31 14:36:13,664 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:36:13,664 INFO L402 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1, 1] [2019-01-31 14:36:13,665 INFO L423 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:36:13,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:36:13,665 INFO L82 PathProgramCache]: Analyzing trace with hash -998989556, now seen corresponding path program 41 times [2019-01-31 14:36:13,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:36:13,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:36:13,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:36:13,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:36:13,666 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:36:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:36:14,340 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 [2019-01-31 14:36:14,341 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 [2019-01-31 14:36:14,342 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 [2019-01-31 14:36:14,343 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 [2019-01-31 14:36:14,344 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 [2019-01-31 14:36:14,345 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 [2019-01-31 14:36:14,346 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 [2019-01-31 14:36:14,347 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 [2019-01-31 14:36:14,348 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 [2019-01-31 14:36:14,349 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 [2019-01-31 14:36:14,350 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 [2019-01-31 14:36:14,351 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 [2019-01-31 14:36:14,352 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 [2019-01-31 14:36:14,353 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 [2019-01-31 14:36:14,354 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 [2019-01-31 14:36:14,355 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 [2019-01-31 14:36:14,355 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 [2019-01-31 14:36:14,356 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 [2019-01-31 14:36:14,357 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 [2019-01-31 14:36:14,358 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 [2019-01-31 14:36:14,359 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 [2019-01-31 14:36:14,360 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 [2019-01-31 14:36:14,361 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 [2019-01-31 14:36:14,362 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 [2019-01-31 14:36:14,363 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 [2019-01-31 14:36:14,364 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 [2019-01-31 14:36:14,365 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 [2019-01-31 14:36:14,366 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 [2019-01-31 14:36:14,367 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 [2019-01-31 14:36:14,368 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 [2019-01-31 14:36:14,375 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 [2019-01-31 14:36:14,376 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 [2019-01-31 14:36:14,377 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 [2019-01-31 14:36:14,377 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 [2019-01-31 14:36:14,378 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 [2019-01-31 14:36:14,379 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 [2019-01-31 14:36:14,380 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 [2019-01-31 14:36:14,381 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 [2019-01-31 14:36:14,382 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 [2019-01-31 14:36:14,401 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 [2019-01-31 14:36:14,415 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 [2019-01-31 14:36:14,429 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 [2019-01-31 14:36:14,444 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 [2019-01-31 14:36:14,458 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 [2019-01-31 14:36:14,463 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 [2019-01-31 14:36:14,463 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 [2019-01-31 14:36:14,467 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 [2019-01-31 14:36:14,468 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 [2019-01-31 14:36:14,469 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 [2019-01-31 14:36:14,469 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 [2019-01-31 14:36:14,470 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 [2019-01-31 14:36:14,470 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 [2019-01-31 14:36:14,471 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 [2019-01-31 14:36:14,471 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 [2019-01-31 14:36:14,472 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 [2019-01-31 14:36:14,473 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 [2019-01-31 14:36:14,474 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 [2019-01-31 14:36:14,475 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 [2019-01-31 14:36:14,475 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-01-31 14:36:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:36:14,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:36:14,479 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:36:14,479 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:36:14,479 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:36:14,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:36:14,479 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 [2019-01-31 14:36:14,488 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:36:14,488 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:36:14,626 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-01-31 14:36:14,626 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:36:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:36:14,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:36:14,930 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 [2019-01-31 14:36:14,931 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 [2019-01-31 14:36:14,931 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 [2019-01-31 14:36:14,932 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 [2019-01-31 14:36:14,933 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 [2019-01-31 14:36:14,934 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 [2019-01-31 14:36:14,935 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 [2019-01-31 14:36:14,936 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 [2019-01-31 14:36:14,937 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 [2019-01-31 14:36:14,938 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 [2019-01-31 14:36:14,939 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 [2019-01-31 14:36:14,940 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 [2019-01-31 14:36:14,940 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 [2019-01-31 14:36:14,941 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 [2019-01-31 14:36:14,942 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 [2019-01-31 14:36:14,943 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 [2019-01-31 14:36:14,944 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 [2019-01-31 14:36:14,945 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 [2019-01-31 14:36:14,946 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 [2019-01-31 14:36:14,947 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 [2019-01-31 14:36:14,947 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 [2019-01-31 14:36:14,948 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 [2019-01-31 14:36:14,949 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 [2019-01-31 14:36:14,950 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 [2019-01-31 14:36:14,951 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 [2019-01-31 14:36:14,952 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 [2019-01-31 14:36:14,953 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 [2019-01-31 14:36:14,954 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 [2019-01-31 14:36:14,955 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 [2019-01-31 14:36:14,956 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 [2019-01-31 14:36:14,956 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 [2019-01-31 14:36:14,957 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 [2019-01-31 14:36:14,958 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 [2019-01-31 14:36:14,959 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 [2019-01-31 14:36:14,960 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 [2019-01-31 14:36:14,961 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 [2019-01-31 14:36:14,962 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 [2019-01-31 14:36:14,963 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 [2019-01-31 14:36:14,963 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 [2019-01-31 14:36:14,964 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 [2019-01-31 14:36:14,965 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 [2019-01-31 14:36:14,966 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 [2019-01-31 14:36:14,967 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 [2019-01-31 14:36:14,968 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 [2019-01-31 14:36:14,969 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 [2019-01-31 14:36:14,970 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 [2019-01-31 14:36:14,971 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 [2019-01-31 14:36:14,972 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 [2019-01-31 14:36:14,973 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 [2019-01-31 14:36:14,973 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 [2019-01-31 14:36:14,974 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 [2019-01-31 14:36:14,975 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 [2019-01-31 14:36:14,976 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 [2019-01-31 14:36:14,977 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 [2019-01-31 14:36:14,978 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 [2019-01-31 14:36:14,979 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 [2019-01-31 14:36:14,980 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 [2019-01-31 14:36:14,980 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 [2019-01-31 14:36:14,981 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-01-31 14:36:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:36:14,985 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:36:15,977 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-01-31 14:36:15,978 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 [2019-01-31 14:36:15,978 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 [2019-01-31 14:36:15,979 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 [2019-01-31 14:36:15,979 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 [2019-01-31 14:36:15,980 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 [2019-01-31 14:36:15,981 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 [2019-01-31 14:36:15,982 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 [2019-01-31 14:36:15,983 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 [2019-01-31 14:36:15,984 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 [2019-01-31 14:36:15,985 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 [2019-01-31 14:36:15,986 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 [2019-01-31 14:36:15,987 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 [2019-01-31 14:36:15,988 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 [2019-01-31 14:36:15,988 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 [2019-01-31 14:36:15,989 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 [2019-01-31 14:36:15,990 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 [2019-01-31 14:36:15,991 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 [2019-01-31 14:36:15,992 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 [2019-01-31 14:36:15,993 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 [2019-01-31 14:36:15,994 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 [2019-01-31 14:36:15,995 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 [2019-01-31 14:36:15,996 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 [2019-01-31 14:36:15,997 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 [2019-01-31 14:36:15,998 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 [2019-01-31 14:36:15,999 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 [2019-01-31 14:36:15,999 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 [2019-01-31 14:36:16,000 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 [2019-01-31 14:36:16,001 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 [2019-01-31 14:36:16,002 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 [2019-01-31 14:36:16,003 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 [2019-01-31 14:36:16,004 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 [2019-01-31 14:36:16,005 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 [2019-01-31 14:36:16,006 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 [2019-01-31 14:36:16,007 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 [2019-01-31 14:36:16,008 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 [2019-01-31 14:36:16,009 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 [2019-01-31 14:36:16,010 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 [2019-01-31 14:36:16,011 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 [2019-01-31 14:36:16,012 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 [2019-01-31 14:36:16,012 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 [2019-01-31 14:36:16,013 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 [2019-01-31 14:36:16,014 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 [2019-01-31 14:36:16,015 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 [2019-01-31 14:36:16,016 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 [2019-01-31 14:36:16,017 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 [2019-01-31 14:36:16,018 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 [2019-01-31 14:36:16,019 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 [2019-01-31 14:36:16,020 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 [2019-01-31 14:36:16,021 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 [2019-01-31 14:36:16,022 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 [2019-01-31 14:36:16,023 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 [2019-01-31 14:36:16,023 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 [2019-01-31 14:36:16,024 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 [2019-01-31 14:36:16,025 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 [2019-01-31 14:36:16,026 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 [2019-01-31 14:36:16,027 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 [2019-01-31 14:36:16,028 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 [2019-01-31 14:36:16,029 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 [2019-01-31 14:36:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:36:16,052 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:36:16,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30 [2019-01-31 14:36:16,052 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:36:16,053 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2019-01-31 14:36:16,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:36:16,053 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states. [2019-01-31 14:36:16,123 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:36:16,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-01-31 14:36:16,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-01-31 14:36:16,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2019-01-31 14:36:16,124 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 31 states. [2019-01-31 14:36:18,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:18,487 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-01-31 14:36:18,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-01-31 14:36:18,488 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2019-01-31 14:36:18,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:36:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-31 14:36:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-01-31 14:36:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-31 14:36:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-01-31 14:36:18,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states and 64 transitions. [2019-01-31 14:36:18,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:36:18,583 INFO L225 Difference]: With dead ends: 63 [2019-01-31 14:36:18,584 INFO L226 Difference]: Without dead ends: 61 [2019-01-31 14:36:18,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 89 SyntacticMatches, 56 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1305, Invalid=2117, Unknown=0, NotChecked=0, Total=3422 [2019-01-31 14:36:18,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-31 14:36:20,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-01-31 14:36:20,036 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:36:20,036 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2019-01-31 14:36:20,036 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2019-01-31 14:36:20,036 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2019-01-31 14:36:20,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:20,038 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2019-01-31 14:36:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-01-31 14:36:20,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:36:20,039 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:36:20,039 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2019-01-31 14:36:20,039 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2019-01-31 14:36:20,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:20,040 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2019-01-31 14:36:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-01-31 14:36:20,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:36:20,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:36:20,041 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:36:20,041 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:36:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-31 14:36:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2019-01-31 14:36:20,042 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 59 [2019-01-31 14:36:20,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:36:20,042 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2019-01-31 14:36:20,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-01-31 14:36:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-01-31 14:36:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-01-31 14:36:20,043 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:36:20,043 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 1, 1, 1, 1] [2019-01-31 14:36:20,043 INFO L423 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:36:20,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:36:20,043 INFO L82 PathProgramCache]: Analyzing trace with hash -903903350, now seen corresponding path program 42 times [2019-01-31 14:36:20,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:36:20,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:36:20,044 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:36:20,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:36:20,044 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:36:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:36:22,399 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 [2019-01-31 14:36:22,400 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 [2019-01-31 14:36:22,401 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 [2019-01-31 14:36:22,402 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 [2019-01-31 14:36:22,403 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 [2019-01-31 14:36:22,404 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 [2019-01-31 14:36:22,405 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 [2019-01-31 14:36:22,406 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 [2019-01-31 14:36:22,407 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 [2019-01-31 14:36:22,408 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 [2019-01-31 14:36:22,409 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 [2019-01-31 14:36:22,410 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 [2019-01-31 14:36:22,411 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 [2019-01-31 14:36:22,412 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 [2019-01-31 14:36:22,413 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 [2019-01-31 14:36:22,414 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 [2019-01-31 14:36:22,415 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 [2019-01-31 14:36:22,416 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 [2019-01-31 14:36:22,417 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 [2019-01-31 14:36:22,418 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 [2019-01-31 14:36:22,419 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 [2019-01-31 14:36:22,420 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 [2019-01-31 14:36:22,421 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 [2019-01-31 14:36:22,422 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 [2019-01-31 14:36:22,423 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 [2019-01-31 14:36:22,424 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 [2019-01-31 14:36:22,425 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 [2019-01-31 14:36:22,426 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 [2019-01-31 14:36:22,427 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 [2019-01-31 14:36:22,428 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 [2019-01-31 14:36:22,429 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 [2019-01-31 14:36:22,430 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 [2019-01-31 14:36:22,431 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 [2019-01-31 14:36:22,432 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 [2019-01-31 14:36:22,433 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 [2019-01-31 14:36:22,434 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 [2019-01-31 14:36:22,435 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 [2019-01-31 14:36:22,436 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 [2019-01-31 14:36:22,437 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 [2019-01-31 14:36:22,438 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 [2019-01-31 14:36:22,439 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 [2019-01-31 14:36:22,440 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 [2019-01-31 14:36:22,441 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 [2019-01-31 14:36:22,442 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 [2019-01-31 14:36:22,443 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 [2019-01-31 14:36:22,444 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 [2019-01-31 14:36:22,445 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 [2019-01-31 14:36:22,446 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 [2019-01-31 14:36:22,447 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 [2019-01-31 14:36:22,448 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 [2019-01-31 14:36:22,449 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 [2019-01-31 14:36:22,450 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 [2019-01-31 14:36:22,451 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 [2019-01-31 14:36:22,452 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 [2019-01-31 14:36:22,453 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 [2019-01-31 14:36:22,454 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 [2019-01-31 14:36:22,455 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 [2019-01-31 14:36:22,456 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 [2019-01-31 14:36:22,458 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 [2019-01-31 14:36:22,458 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-01-31 14:36:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:36:22,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:36:22,464 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:36:22,464 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:36:22,464 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:36:22,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:36:22,464 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 [2019-01-31 14:36:22,473 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:36:22,474 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:36:22,512 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:36:22,512 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:36:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:36:22,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:36:24,998 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 [2019-01-31 14:36:24,999 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:36:25,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:36:25,007 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:36:25,010 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:36:25,010 WARN L398 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)) [2019-01-31 14:36:25,010 WARN L399 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))) [2019-01-31 14:36:25,104 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 [2019-01-31 14:36:25,104 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 [2019-01-31 14:36:25,104 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 [2019-01-31 14:36:25,105 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 [2019-01-31 14:36:25,105 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 [2019-01-31 14:36:25,105 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 [2019-01-31 14:36:25,105 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 [2019-01-31 14:36:25,105 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 [2019-01-31 14:36:25,105 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,106 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,107 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 [2019-01-31 14:36:25,108 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 [2019-01-31 14:36:25,108 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 [2019-01-31 14:36:25,109 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 [2019-01-31 14:36:25,109 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 [2019-01-31 14:36:25,110 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 [2019-01-31 14:36:25,111 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 [2019-01-31 14:36:25,111 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 [2019-01-31 14:36:25,112 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 [2019-01-31 14:36:25,113 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 [2019-01-31 14:36:25,115 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 [2019-01-31 14:36:25,116 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 [2019-01-31 14:36:25,117 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 [2019-01-31 14:36:25,118 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 [2019-01-31 14:36:25,119 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 [2019-01-31 14:36:25,120 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 [2019-01-31 14:36:25,121 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 [2019-01-31 14:36:25,122 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 [2019-01-31 14:36:25,123 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 [2019-01-31 14:36:25,124 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 [2019-01-31 14:36:25,125 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 [2019-01-31 14:36:25,126 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 [2019-01-31 14:36:25,127 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 [2019-01-31 14:36:25,128 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 [2019-01-31 14:36:25,130 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 [2019-01-31 14:36:25,131 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 [2019-01-31 14:36:25,132 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 [2019-01-31 14:36:25,133 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 [2019-01-31 14:36:25,134 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 [2019-01-31 14:36:25,135 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 [2019-01-31 14:36:25,136 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 [2019-01-31 14:36:25,137 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 [2019-01-31 14:36:25,138 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-01-31 14:36:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-01-31 14:36:25,143 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:36:25,279 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 [2019-01-31 14:36:25,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:36:25,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:36:25,295 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:36:25,298 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:36:25,298 WARN L398 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)) [2019-01-31 14:36:25,298 WARN L399 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)) [2019-01-31 14:36:27,951 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-01-31 14:36:27,953 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 [2019-01-31 14:36:27,954 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 [2019-01-31 14:36:27,955 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 [2019-01-31 14:36:27,956 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 [2019-01-31 14:36:27,958 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 [2019-01-31 14:36:27,959 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 [2019-01-31 14:36:27,960 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 [2019-01-31 14:36:27,961 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 [2019-01-31 14:36:27,962 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 [2019-01-31 14:36:27,963 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 [2019-01-31 14:36:27,965 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 [2019-01-31 14:36:27,966 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 [2019-01-31 14:36:27,967 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 [2019-01-31 14:36:27,968 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 [2019-01-31 14:36:27,969 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 [2019-01-31 14:36:27,970 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 [2019-01-31 14:36:27,971 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 [2019-01-31 14:36:27,973 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 [2019-01-31 14:36:27,974 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 [2019-01-31 14:36:27,975 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 [2019-01-31 14:36:27,976 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 [2019-01-31 14:36:27,977 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 [2019-01-31 14:36:27,978 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 [2019-01-31 14:36:27,980 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 [2019-01-31 14:36:27,981 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 [2019-01-31 14:36:27,982 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 [2019-01-31 14:36:27,983 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 [2019-01-31 14:36:27,984 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 [2019-01-31 14:36:27,985 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 [2019-01-31 14:36:27,986 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 [2019-01-31 14:36:27,987 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 [2019-01-31 14:36:27,987 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 [2019-01-31 14:36:27,987 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 [2019-01-31 14:36:27,987 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 [2019-01-31 14:36:27,987 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 [2019-01-31 14:36:27,988 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 [2019-01-31 14:36:27,988 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 [2019-01-31 14:36:27,988 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 [2019-01-31 14:36:27,988 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 [2019-01-31 14:36:27,988 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 [2019-01-31 14:36:27,988 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,989 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,990 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 [2019-01-31 14:36:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-01-31 14:36:28,014 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:36:28,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 31, 31] total 118 [2019-01-31 14:36:28,015 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:36:28,015 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2019-01-31 14:36:28,015 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:36:28,015 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 89 states. [2019-01-31 14:36:28,102 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:36:28,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 89 states [2019-01-31 14:36:28,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2019-01-31 14:36:28,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1858, Invalid=11948, Unknown=0, NotChecked=0, Total=13806 [2019-01-31 14:36:28,104 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 89 states. [2019-01-31 14:36:45,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:45,833 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2019-01-31 14:36:45,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2019-01-31 14:36:45,833 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2019-01-31 14:36:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:36:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-01-31 14:36:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2019-01-31 14:36:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-01-31 14:36:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2019-01-31 14:36:45,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 92 states and 99 transitions. [2019-01-31 14:36:45,949 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:36:45,950 INFO L225 Difference]: With dead ends: 95 [2019-01-31 14:36:45,950 INFO L226 Difference]: Without dead ends: 63 [2019-01-31 14:36:45,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=2983, Invalid=19667, Unknown=0, NotChecked=0, Total=22650 [2019-01-31 14:36:45,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-01-31 14:36:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-01-31 14:36:47,465 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:36:47,465 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 63 states. [2019-01-31 14:36:47,465 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2019-01-31 14:36:47,465 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2019-01-31 14:36:47,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:47,466 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-01-31 14:36:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-01-31 14:36:47,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:36:47,467 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:36:47,467 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2019-01-31 14:36:47,467 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2019-01-31 14:36:47,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:36:47,468 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-01-31 14:36:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-01-31 14:36:47,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:36:47,469 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:36:47,469 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:36:47,469 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:36:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-31 14:36:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2019-01-31 14:36:47,470 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 60 [2019-01-31 14:36:47,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:36:47,470 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2019-01-31 14:36:47,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2019-01-31 14:36:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-01-31 14:36:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-01-31 14:36:47,471 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:36:47,471 INFO L402 BasicCegarLoop]: trace histogram [29, 29, 1, 1, 1, 1] [2019-01-31 14:36:47,471 INFO L423 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:36:47,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:36:47,471 INFO L82 PathProgramCache]: Analyzing trace with hash -228988683, now seen corresponding path program 43 times [2019-01-31 14:36:47,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:36:47,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:36:47,472 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:36:47,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:36:47,472 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:36:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:36:50,547 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 [2019-01-31 14:36:50,548 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 [2019-01-31 14:36:50,549 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 [2019-01-31 14:36:50,550 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 [2019-01-31 14:36:50,551 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 [2019-01-31 14:36:50,552 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 [2019-01-31 14:36:50,553 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 [2019-01-31 14:36:50,554 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 [2019-01-31 14:36:50,555 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 [2019-01-31 14:36:50,556 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 [2019-01-31 14:36:50,557 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 [2019-01-31 14:36:50,558 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 [2019-01-31 14:36:50,559 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 [2019-01-31 14:36:50,560 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 [2019-01-31 14:36:50,561 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 [2019-01-31 14:36:50,562 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 [2019-01-31 14:36:50,563 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 [2019-01-31 14:36:50,565 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 [2019-01-31 14:36:50,566 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 [2019-01-31 14:36:50,567 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 [2019-01-31 14:36:50,568 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 [2019-01-31 14:36:50,569 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 [2019-01-31 14:36:50,570 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 [2019-01-31 14:36:50,571 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 [2019-01-31 14:36:50,572 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 [2019-01-31 14:36:50,573 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 [2019-01-31 14:36:50,574 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 [2019-01-31 14:36:50,575 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 [2019-01-31 14:36:50,576 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 [2019-01-31 14:36:50,577 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 [2019-01-31 14:36:50,578 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 [2019-01-31 14:36:50,579 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 [2019-01-31 14:36:50,580 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 [2019-01-31 14:36:50,581 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 [2019-01-31 14:36:50,583 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 [2019-01-31 14:36:50,584 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 [2019-01-31 14:36:50,585 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 [2019-01-31 14:36:50,586 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 [2019-01-31 14:36:50,587 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 [2019-01-31 14:36:50,588 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 [2019-01-31 14:36:50,589 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 [2019-01-31 14:36:50,590 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 [2019-01-31 14:36:50,591 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 [2019-01-31 14:36:50,592 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 [2019-01-31 14:36:50,593 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 [2019-01-31 14:36:50,594 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 [2019-01-31 14:36:50,595 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 [2019-01-31 14:36:50,596 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 [2019-01-31 14:36:50,597 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 [2019-01-31 14:36:50,598 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 [2019-01-31 14:36:50,599 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 [2019-01-31 14:36:50,600 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 [2019-01-31 14:36:50,601 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 [2019-01-31 14:36:50,602 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 [2019-01-31 14:36:50,603 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 [2019-01-31 14:36:50,604 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 [2019-01-31 14:36:50,605 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 [2019-01-31 14:36:50,607 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 [2019-01-31 14:36:50,608 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 [2019-01-31 14:36:50,609 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 [2019-01-31 14:36:50,610 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 [2019-01-31 14:36:50,610 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-01-31 14:36:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:36:50,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:36:50,617 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:36:50,617 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:36:50,617 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:36:50,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:36:50,617 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 [2019-01-31 14:36:50,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:36:50,627 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:36:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:36:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:36:50,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:36:53,129 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 [2019-01-31 14:36:53,130 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:36:53,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:36:53,137 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:36:53,140 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:36:53,140 WARN L398 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)) [2019-01-31 14:36:53,140 WARN L399 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)) [2019-01-31 14:36:53,235 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 [2019-01-31 14:36:53,236 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 [2019-01-31 14:36:53,237 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 [2019-01-31 14:36:53,238 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 [2019-01-31 14:36:53,239 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 [2019-01-31 14:36:53,240 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 [2019-01-31 14:36:53,241 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 [2019-01-31 14:36:53,242 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 [2019-01-31 14:36:53,243 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 [2019-01-31 14:36:53,244 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 [2019-01-31 14:36:53,245 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 [2019-01-31 14:36:53,246 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 [2019-01-31 14:36:53,247 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 [2019-01-31 14:36:53,248 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 [2019-01-31 14:36:53,249 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 [2019-01-31 14:36:53,250 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 [2019-01-31 14:36:53,251 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 [2019-01-31 14:36:53,252 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 [2019-01-31 14:36:53,253 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 [2019-01-31 14:36:53,254 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 [2019-01-31 14:36:53,255 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 [2019-01-31 14:36:53,256 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 [2019-01-31 14:36:53,257 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 [2019-01-31 14:36:53,258 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 [2019-01-31 14:36:53,259 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 [2019-01-31 14:36:53,260 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 [2019-01-31 14:36:53,261 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 [2019-01-31 14:36:53,262 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 [2019-01-31 14:36:53,263 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 [2019-01-31 14:36:53,264 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 [2019-01-31 14:36:53,265 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 [2019-01-31 14:36:53,266 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 [2019-01-31 14:36:53,267 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 [2019-01-31 14:36:53,268 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 [2019-01-31 14:36:53,269 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 [2019-01-31 14:36:53,269 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 [2019-01-31 14:36:53,270 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 [2019-01-31 14:36:53,271 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 [2019-01-31 14:36:53,272 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 [2019-01-31 14:36:53,273 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 [2019-01-31 14:36:53,274 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 [2019-01-31 14:36:53,275 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 [2019-01-31 14:36:53,275 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 [2019-01-31 14:36:53,276 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 [2019-01-31 14:36:53,277 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 [2019-01-31 14:36:53,278 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 [2019-01-31 14:36:53,279 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 [2019-01-31 14:36:53,280 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 [2019-01-31 14:36:53,281 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 [2019-01-31 14:36:53,281 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 [2019-01-31 14:36:53,282 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 [2019-01-31 14:36:53,283 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 [2019-01-31 14:36:53,284 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 [2019-01-31 14:36:53,285 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 [2019-01-31 14:36:53,286 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 [2019-01-31 14:36:53,286 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 [2019-01-31 14:36:53,287 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 [2019-01-31 14:36:53,288 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 [2019-01-31 14:36:53,289 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 [2019-01-31 14:36:53,290 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 [2019-01-31 14:36:53,291 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 [2019-01-31 14:36:53,291 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-01-31 14:36:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:36:53,299 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:36:53,330 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 [2019-01-31 14:36:53,335 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:36:53,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:36:53,338 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:36:53,340 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:36:53,340 WARN L398 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))))) [2019-01-31 14:36:53,340 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:36:54,609 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-01-31 14:36:54,610 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 [2019-01-31 14:36:54,611 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 [2019-01-31 14:36:54,611 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 [2019-01-31 14:36:54,612 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 [2019-01-31 14:36:54,612 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 [2019-01-31 14:36:54,613 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 [2019-01-31 14:36:54,614 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 [2019-01-31 14:36:54,615 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 [2019-01-31 14:36:54,616 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 [2019-01-31 14:36:54,617 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 [2019-01-31 14:36:54,618 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 [2019-01-31 14:36:54,619 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 [2019-01-31 14:36:54,620 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 [2019-01-31 14:36:54,621 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 [2019-01-31 14:36:54,622 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 [2019-01-31 14:36:54,623 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 [2019-01-31 14:36:54,624 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 [2019-01-31 14:36:54,625 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 [2019-01-31 14:36:54,626 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 [2019-01-31 14:36:54,627 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 [2019-01-31 14:36:54,628 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 [2019-01-31 14:36:54,629 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 [2019-01-31 14:36:54,630 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 [2019-01-31 14:36:54,631 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 [2019-01-31 14:36:54,632 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 [2019-01-31 14:36:54,633 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 [2019-01-31 14:36:54,634 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 [2019-01-31 14:36:54,635 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 [2019-01-31 14:36:54,636 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 [2019-01-31 14:36:54,637 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 [2019-01-31 14:36:54,638 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 [2019-01-31 14:36:54,639 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 [2019-01-31 14:36:54,640 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 [2019-01-31 14:36:54,641 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 [2019-01-31 14:36:54,642 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 [2019-01-31 14:36:54,643 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 [2019-01-31 14:36:54,644 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 [2019-01-31 14:36:54,645 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 [2019-01-31 14:36:54,646 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 [2019-01-31 14:36:54,647 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 [2019-01-31 14:36:54,648 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 [2019-01-31 14:36:54,649 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 [2019-01-31 14:36:54,650 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 [2019-01-31 14:36:54,651 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 [2019-01-31 14:36:54,652 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 [2019-01-31 14:36:54,653 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 [2019-01-31 14:36:54,654 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 [2019-01-31 14:36:54,655 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 [2019-01-31 14:36:54,656 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 [2019-01-31 14:36:54,657 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 [2019-01-31 14:36:54,658 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 [2019-01-31 14:36:54,659 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 [2019-01-31 14:36:54,660 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 [2019-01-31 14:36:54,661 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 [2019-01-31 14:36:54,662 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 [2019-01-31 14:36:54,663 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 [2019-01-31 14:36:54,664 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 [2019-01-31 14:36:54,665 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 [2019-01-31 14:36:54,666 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 [2019-01-31 14:36:54,667 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 [2019-01-31 14:36:54,668 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 [2019-01-31 14:36:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:36:54,694 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:36:54,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61, 61] total 93 [2019-01-31 14:36:54,695 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:36:54,695 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2019-01-31 14:36:54,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:36:54,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 94 states. [2019-01-31 14:36:54,785 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:36:54,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 94 states [2019-01-31 14:36:54,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2019-01-31 14:36:54,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=8465, Unknown=0, NotChecked=0, Total=8742 [2019-01-31 14:36:54,786 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 94 states. [2019-01-31 14:37:11,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:11,599 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2019-01-31 14:37:11,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-01-31 14:37:11,599 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2019-01-31 14:37:11,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:37:11,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-31 14:37:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-31 14:37:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-31 14:37:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-31 14:37:11,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states and 70 transitions. [2019-01-31 14:37:11,676 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:37:11,678 INFO L225 Difference]: With dead ends: 96 [2019-01-31 14:37:11,678 INFO L226 Difference]: Without dead ends: 64 [2019-01-31 14:37:11,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 67 SyntacticMatches, 24 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2625 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=586, Invalid=15164, Unknown=0, NotChecked=0, Total=15750 [2019-01-31 14:37:11,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-31 14:37:13,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-01-31 14:37:13,211 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:37:13,212 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2019-01-31 14:37:13,212 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2019-01-31 14:37:13,212 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2019-01-31 14:37:13,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:13,218 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2019-01-31 14:37:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-01-31 14:37:13,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:37:13,219 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:37:13,219 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2019-01-31 14:37:13,219 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2019-01-31 14:37:13,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:13,220 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2019-01-31 14:37:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-01-31 14:37:13,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:37:13,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:37:13,220 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:37:13,220 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:37:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-31 14:37:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2019-01-31 14:37:13,221 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 62 [2019-01-31 14:37:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:37:13,221 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2019-01-31 14:37:13,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 94 states. [2019-01-31 14:37:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-01-31 14:37:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-01-31 14:37:13,221 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:37:13,221 INFO L402 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1, 1] [2019-01-31 14:37:13,222 INFO L423 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:37:13,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:37:13,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1965001236, now seen corresponding path program 44 times [2019-01-31 14:37:13,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:37:13,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:37:13,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:37:13,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:37:13,223 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:37:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:37:14,356 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 [2019-01-31 14:37:14,358 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 [2019-01-31 14:37:14,359 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 [2019-01-31 14:37:14,360 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 [2019-01-31 14:37:14,361 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 [2019-01-31 14:37:14,362 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 [2019-01-31 14:37:14,363 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 [2019-01-31 14:37:14,364 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 [2019-01-31 14:37:14,365 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 [2019-01-31 14:37:14,366 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 [2019-01-31 14:37:14,367 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 [2019-01-31 14:37:14,368 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 [2019-01-31 14:37:14,369 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 [2019-01-31 14:37:14,370 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 [2019-01-31 14:37:14,371 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 [2019-01-31 14:37:14,372 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 [2019-01-31 14:37:14,373 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 [2019-01-31 14:37:14,374 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 [2019-01-31 14:37:14,375 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 [2019-01-31 14:37:14,376 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 [2019-01-31 14:37:14,377 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 [2019-01-31 14:37:14,378 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 [2019-01-31 14:37:14,378 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 [2019-01-31 14:37:14,379 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 [2019-01-31 14:37:14,380 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 [2019-01-31 14:37:14,381 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 [2019-01-31 14:37:14,382 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 [2019-01-31 14:37:14,383 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 [2019-01-31 14:37:14,384 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 [2019-01-31 14:37:14,385 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 [2019-01-31 14:37:14,386 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 [2019-01-31 14:37:14,387 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 [2019-01-31 14:37:14,388 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 [2019-01-31 14:37:14,389 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 [2019-01-31 14:37:14,390 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 [2019-01-31 14:37:14,391 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 [2019-01-31 14:37:14,392 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 [2019-01-31 14:37:14,393 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 [2019-01-31 14:37:14,394 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 [2019-01-31 14:37:14,395 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 [2019-01-31 14:37:14,396 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 [2019-01-31 14:37:14,397 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 [2019-01-31 14:37:14,398 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 [2019-01-31 14:37:14,399 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 [2019-01-31 14:37:14,400 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 [2019-01-31 14:37:14,401 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 [2019-01-31 14:37:14,402 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 [2019-01-31 14:37:14,403 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 [2019-01-31 14:37:14,404 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 [2019-01-31 14:37:14,405 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 [2019-01-31 14:37:14,405 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 [2019-01-31 14:37:14,406 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 [2019-01-31 14:37:14,407 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 [2019-01-31 14:37:14,408 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 [2019-01-31 14:37:14,409 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 [2019-01-31 14:37:14,410 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 [2019-01-31 14:37:14,411 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 [2019-01-31 14:37:14,412 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 [2019-01-31 14:37:14,413 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 [2019-01-31 14:37:14,414 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 [2019-01-31 14:37:14,415 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 [2019-01-31 14:37:14,416 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 [2019-01-31 14:37:14,416 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-01-31 14:37:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:37:14,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:37:14,421 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:37:14,421 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:37:14,421 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:37:14,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:37:14,421 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 [2019-01-31 14:37:14,431 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:37:14,431 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:37:14,585 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2019-01-31 14:37:14,585 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:37:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:37:14,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:37:15,011 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 [2019-01-31 14:37:15,012 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 [2019-01-31 14:37:15,013 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 [2019-01-31 14:37:15,013 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 [2019-01-31 14:37:15,014 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 [2019-01-31 14:37:15,015 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 [2019-01-31 14:37:15,016 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 [2019-01-31 14:37:15,017 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 [2019-01-31 14:37:15,018 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 [2019-01-31 14:37:15,019 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 [2019-01-31 14:37:15,020 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 [2019-01-31 14:37:15,020 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 [2019-01-31 14:37:15,021 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 [2019-01-31 14:37:15,022 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 [2019-01-31 14:37:15,023 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 [2019-01-31 14:37:15,024 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 [2019-01-31 14:37:15,025 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 [2019-01-31 14:37:15,026 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 [2019-01-31 14:37:15,027 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 [2019-01-31 14:37:15,027 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 [2019-01-31 14:37:15,028 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 [2019-01-31 14:37:15,029 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 [2019-01-31 14:37:15,030 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 [2019-01-31 14:37:15,031 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 [2019-01-31 14:37:15,032 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 [2019-01-31 14:37:15,033 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 [2019-01-31 14:37:15,034 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 [2019-01-31 14:37:15,035 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 [2019-01-31 14:37:15,035 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 [2019-01-31 14:37:15,036 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 [2019-01-31 14:37:15,037 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 [2019-01-31 14:37:15,038 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 [2019-01-31 14:37:15,039 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 [2019-01-31 14:37:15,040 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 [2019-01-31 14:37:15,041 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 [2019-01-31 14:37:15,042 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 [2019-01-31 14:37:15,042 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 [2019-01-31 14:37:15,043 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 [2019-01-31 14:37:15,044 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 [2019-01-31 14:37:15,045 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 [2019-01-31 14:37:15,046 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 [2019-01-31 14:37:15,047 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 [2019-01-31 14:37:15,048 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 [2019-01-31 14:37:15,049 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 [2019-01-31 14:37:15,050 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 [2019-01-31 14:37:15,050 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 [2019-01-31 14:37:15,051 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 [2019-01-31 14:37:15,052 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 [2019-01-31 14:37:15,053 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 [2019-01-31 14:37:15,054 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 [2019-01-31 14:37:15,055 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 [2019-01-31 14:37:15,056 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 [2019-01-31 14:37:15,057 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 [2019-01-31 14:37:15,057 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 [2019-01-31 14:37:15,058 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 [2019-01-31 14:37:15,059 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 [2019-01-31 14:37:15,060 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 [2019-01-31 14:37:15,061 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 [2019-01-31 14:37:15,062 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 [2019-01-31 14:37:15,063 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 [2019-01-31 14:37:15,063 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 [2019-01-31 14:37:15,064 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 [2019-01-31 14:37:15,064 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-01-31 14:37:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:37:15,069 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:37:16,130 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-01-31 14:37:16,130 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 [2019-01-31 14:37:16,131 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 [2019-01-31 14:37:16,138 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 [2019-01-31 14:37:16,139 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 [2019-01-31 14:37:16,139 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 [2019-01-31 14:37:16,140 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 [2019-01-31 14:37:16,140 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 [2019-01-31 14:37:16,141 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 [2019-01-31 14:37:16,141 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 [2019-01-31 14:37:16,142 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 [2019-01-31 14:37:16,143 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 [2019-01-31 14:37:16,144 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 [2019-01-31 14:37:16,145 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 [2019-01-31 14:37:16,146 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 [2019-01-31 14:37:16,147 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 [2019-01-31 14:37:16,148 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 [2019-01-31 14:37:16,149 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 [2019-01-31 14:37:16,149 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 [2019-01-31 14:37:16,150 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 [2019-01-31 14:37:16,151 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 [2019-01-31 14:37:16,152 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 [2019-01-31 14:37:16,153 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 [2019-01-31 14:37:16,154 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 [2019-01-31 14:37:16,155 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 [2019-01-31 14:37:16,156 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 [2019-01-31 14:37:16,157 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 [2019-01-31 14:37:16,158 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 [2019-01-31 14:37:16,159 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 [2019-01-31 14:37:16,160 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 [2019-01-31 14:37:16,161 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 [2019-01-31 14:37:16,161 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 [2019-01-31 14:37:16,162 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 [2019-01-31 14:37:16,163 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 [2019-01-31 14:37:16,164 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 [2019-01-31 14:37:16,165 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 [2019-01-31 14:37:16,166 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 [2019-01-31 14:37:16,167 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 [2019-01-31 14:37:16,168 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 [2019-01-31 14:37:16,169 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 [2019-01-31 14:37:16,170 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 [2019-01-31 14:37:16,171 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 [2019-01-31 14:37:16,172 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 [2019-01-31 14:37:16,173 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 [2019-01-31 14:37:16,173 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 [2019-01-31 14:37:16,174 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 [2019-01-31 14:37:16,175 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 [2019-01-31 14:37:16,176 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 [2019-01-31 14:37:16,177 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 [2019-01-31 14:37:16,178 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 [2019-01-31 14:37:16,179 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 [2019-01-31 14:37:16,180 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 [2019-01-31 14:37:16,181 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 [2019-01-31 14:37:16,182 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 [2019-01-31 14:37:16,183 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 [2019-01-31 14:37:16,184 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 [2019-01-31 14:37:16,185 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 [2019-01-31 14:37:16,185 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 [2019-01-31 14:37:16,186 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 [2019-01-31 14:37:16,187 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 [2019-01-31 14:37:16,188 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 [2019-01-31 14:37:16,189 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 [2019-01-31 14:37:16,190 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 [2019-01-31 14:37:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:37:16,214 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:37:16,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 32 [2019-01-31 14:37:16,214 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:37:16,215 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2019-01-31 14:37:16,215 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:37:16,215 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states. [2019-01-31 14:37:16,289 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:37:16,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-01-31 14:37:16,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-01-31 14:37:16,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2019-01-31 14:37:16,290 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 33 states. [2019-01-31 14:37:18,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:18,744 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-31 14:37:18,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-01-31 14:37:18,744 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2019-01-31 14:37:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:37:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-31 14:37:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-31 14:37:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-31 14:37:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-31 14:37:18,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 63 states and 68 transitions. [2019-01-31 14:37:18,809 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:37:18,811 INFO L225 Difference]: With dead ends: 67 [2019-01-31 14:37:18,811 INFO L226 Difference]: Without dead ends: 65 [2019-01-31 14:37:18,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 95 SyntacticMatches, 60 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2019-01-31 14:37:18,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-31 14:37:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-31 14:37:20,698 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:37:20,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2019-01-31 14:37:20,698 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2019-01-31 14:37:20,698 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2019-01-31 14:37:20,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:20,699 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-01-31 14:37:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-01-31 14:37:20,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:37:20,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:37:20,700 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2019-01-31 14:37:20,700 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2019-01-31 14:37:20,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:20,701 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-01-31 14:37:20,701 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-01-31 14:37:20,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:37:20,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:37:20,702 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:37:20,702 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:37:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-31 14:37:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2019-01-31 14:37:20,703 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 63 [2019-01-31 14:37:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:37:20,703 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2019-01-31 14:37:20,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-01-31 14:37:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-01-31 14:37:20,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-01-31 14:37:20,703 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:37:20,704 INFO L402 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1] [2019-01-31 14:37:20,704 INFO L423 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:37:20,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:37:20,704 INFO L82 PathProgramCache]: Analyzing trace with hash -785494358, now seen corresponding path program 45 times [2019-01-31 14:37:20,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:37:20,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:37:20,705 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:37:20,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:37:20,705 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:37:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:37:23,261 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 [2019-01-31 14:37:23,262 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 [2019-01-31 14:37:23,263 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 [2019-01-31 14:37:23,265 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 [2019-01-31 14:37:23,266 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 [2019-01-31 14:37:23,267 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 [2019-01-31 14:37:23,268 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 [2019-01-31 14:37:23,269 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 [2019-01-31 14:37:23,270 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 [2019-01-31 14:37:23,271 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 [2019-01-31 14:37:23,272 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 [2019-01-31 14:37:23,273 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 [2019-01-31 14:37:23,274 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 [2019-01-31 14:37:23,275 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 [2019-01-31 14:37:23,276 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 [2019-01-31 14:37:23,277 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 [2019-01-31 14:37:23,278 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 [2019-01-31 14:37:23,279 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 [2019-01-31 14:37:23,284 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 [2019-01-31 14:37:23,285 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 [2019-01-31 14:37:23,285 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 [2019-01-31 14:37:23,286 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 [2019-01-31 14:37:23,287 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 [2019-01-31 14:37:23,287 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 [2019-01-31 14:37:23,288 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 [2019-01-31 14:37:23,288 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 [2019-01-31 14:37:23,289 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 [2019-01-31 14:37:23,290 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 [2019-01-31 14:37:23,291 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 [2019-01-31 14:37:23,292 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 [2019-01-31 14:37:23,294 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 [2019-01-31 14:37:23,295 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 [2019-01-31 14:37:23,296 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 [2019-01-31 14:37:23,297 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 [2019-01-31 14:37:23,298 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 [2019-01-31 14:37:23,299 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 [2019-01-31 14:37:23,300 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 [2019-01-31 14:37:23,301 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 [2019-01-31 14:37:23,302 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 [2019-01-31 14:37:23,303 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 [2019-01-31 14:37:23,304 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 [2019-01-31 14:37:23,305 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 [2019-01-31 14:37:23,306 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 [2019-01-31 14:37:23,308 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 [2019-01-31 14:37:23,309 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 [2019-01-31 14:37:23,310 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 [2019-01-31 14:37:23,311 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 [2019-01-31 14:37:23,312 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 [2019-01-31 14:37:23,313 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 [2019-01-31 14:37:23,314 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 [2019-01-31 14:37:23,315 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 [2019-01-31 14:37:23,316 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 [2019-01-31 14:37:23,317 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 [2019-01-31 14:37:23,318 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 [2019-01-31 14:37:23,319 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 [2019-01-31 14:37:23,320 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 [2019-01-31 14:37:23,321 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 [2019-01-31 14:37:23,322 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 [2019-01-31 14:37:23,323 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 [2019-01-31 14:37:23,324 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 [2019-01-31 14:37:23,325 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 [2019-01-31 14:37:23,326 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 [2019-01-31 14:37:23,328 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 [2019-01-31 14:37:23,328 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-01-31 14:37:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:37:23,334 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:37:23,335 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:37:23,335 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:37:23,335 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:37:23,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:37:23,335 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 [2019-01-31 14:37:23,347 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:37:23,347 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:37:23,387 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:37:23,388 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:37:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:37:23,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:37:26,977 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 [2019-01-31 14:37:26,980 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:37:26,987 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:37:26,988 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:37:26,990 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:37:26,991 WARN L398 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))) [2019-01-31 14:37:26,991 WARN L399 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))) [2019-01-31 14:37:27,089 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 [2019-01-31 14:37:27,089 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 [2019-01-31 14:37:27,090 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 [2019-01-31 14:37:27,090 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 [2019-01-31 14:37:27,090 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 [2019-01-31 14:37:27,090 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 [2019-01-31 14:37:27,090 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 [2019-01-31 14:37:27,091 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 [2019-01-31 14:37:27,091 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 [2019-01-31 14:37:27,091 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 [2019-01-31 14:37:27,091 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 [2019-01-31 14:37:27,091 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 [2019-01-31 14:37:27,091 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,092 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,093 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 [2019-01-31 14:37:27,094 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 [2019-01-31 14:37:27,095 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 [2019-01-31 14:37:27,095 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 [2019-01-31 14:37:27,096 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 [2019-01-31 14:37:27,097 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 [2019-01-31 14:37:27,098 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 [2019-01-31 14:37:27,099 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 [2019-01-31 14:37:27,100 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 [2019-01-31 14:37:27,101 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 [2019-01-31 14:37:27,102 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 [2019-01-31 14:37:27,103 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 [2019-01-31 14:37:27,104 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 [2019-01-31 14:37:27,105 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 [2019-01-31 14:37:27,106 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 [2019-01-31 14:37:27,107 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 [2019-01-31 14:37:27,108 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 [2019-01-31 14:37:27,110 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 [2019-01-31 14:37:27,111 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 [2019-01-31 14:37:27,112 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 [2019-01-31 14:37:27,113 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 [2019-01-31 14:37:27,114 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 [2019-01-31 14:37:27,115 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 [2019-01-31 14:37:27,116 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 [2019-01-31 14:37:27,117 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 [2019-01-31 14:37:27,118 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 [2019-01-31 14:37:27,119 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 [2019-01-31 14:37:27,120 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 [2019-01-31 14:37:27,121 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 [2019-01-31 14:37:27,122 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 [2019-01-31 14:37:27,123 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 [2019-01-31 14:37:27,124 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 [2019-01-31 14:37:27,126 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 [2019-01-31 14:37:27,126 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-01-31 14:37:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-01-31 14:37:27,137 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:37:27,273 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 [2019-01-31 14:37:27,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:37:27,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:37:27,288 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:37:30,672 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-01-31 14:37:30,673 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 [2019-01-31 14:37:30,674 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 [2019-01-31 14:37:30,675 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 [2019-01-31 14:37:30,676 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 [2019-01-31 14:37:30,677 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 [2019-01-31 14:37:30,678 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 [2019-01-31 14:37:30,679 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 [2019-01-31 14:37:30,680 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 [2019-01-31 14:37:30,682 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 [2019-01-31 14:37:30,683 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 [2019-01-31 14:37:30,684 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 [2019-01-31 14:37:30,685 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 [2019-01-31 14:37:30,686 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 [2019-01-31 14:37:30,687 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 [2019-01-31 14:37:30,689 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 [2019-01-31 14:37:30,690 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 [2019-01-31 14:37:30,691 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 [2019-01-31 14:37:30,692 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 [2019-01-31 14:37:30,693 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 [2019-01-31 14:37:30,694 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 [2019-01-31 14:37:30,695 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 [2019-01-31 14:37:30,697 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 [2019-01-31 14:37:30,698 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 [2019-01-31 14:37:30,699 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 [2019-01-31 14:37:30,700 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 [2019-01-31 14:37:30,701 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 [2019-01-31 14:37:30,702 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 [2019-01-31 14:37:30,703 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 [2019-01-31 14:37:30,705 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 [2019-01-31 14:37:30,706 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 [2019-01-31 14:37:30,707 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 [2019-01-31 14:37:30,708 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 [2019-01-31 14:37:30,708 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 [2019-01-31 14:37:30,708 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 [2019-01-31 14:37:30,709 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 [2019-01-31 14:37:30,709 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 [2019-01-31 14:37:30,709 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 [2019-01-31 14:37:30,709 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 [2019-01-31 14:37:30,709 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 [2019-01-31 14:37:30,709 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 [2019-01-31 14:37:30,710 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 [2019-01-31 14:37:30,710 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 [2019-01-31 14:37:30,710 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 [2019-01-31 14:37:30,710 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 [2019-01-31 14:37:30,710 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,711 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,712 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 [2019-01-31 14:37:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-01-31 14:37:30,737 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:37:30,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 33, 33] total 126 [2019-01-31 14:37:30,738 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:37:30,738 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2019-01-31 14:37:30,738 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:37:30,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states. [2019-01-31 14:37:30,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:37:30,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 95 states [2019-01-31 14:37:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2019-01-31 14:37:30,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2110, Invalid=13640, Unknown=0, NotChecked=0, Total=15750 [2019-01-31 14:37:30,835 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 95 states. [2019-01-31 14:37:51,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:51,978 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2019-01-31 14:37:51,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2019-01-31 14:37:51,978 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2019-01-31 14:37:51,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:37:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-31 14:37:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2019-01-31 14:37:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-31 14:37:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2019-01-31 14:37:51,984 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 98 states and 105 transitions. [2019-01-31 14:37:52,126 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:37:52,127 INFO L225 Difference]: With dead ends: 101 [2019-01-31 14:37:52,128 INFO L226 Difference]: Without dead ends: 67 [2019-01-31 14:37:52,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2078 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=3373, Invalid=22387, Unknown=0, NotChecked=0, Total=25760 [2019-01-31 14:37:52,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-31 14:37:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-01-31 14:37:53,703 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:37:53,703 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2019-01-31 14:37:53,704 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2019-01-31 14:37:53,704 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2019-01-31 14:37:53,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:53,705 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-31 14:37:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-01-31 14:37:53,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:37:53,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:37:53,706 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2019-01-31 14:37:53,706 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2019-01-31 14:37:53,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:37:53,707 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-31 14:37:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-01-31 14:37:53,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:37:53,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:37:53,708 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:37:53,708 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:37:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-01-31 14:37:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2019-01-31 14:37:53,709 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 64 [2019-01-31 14:37:53,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:37:53,709 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2019-01-31 14:37:53,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2019-01-31 14:37:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-01-31 14:37:53,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-31 14:37:53,709 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:37:53,710 INFO L402 BasicCegarLoop]: trace histogram [31, 31, 1, 1, 1, 1] [2019-01-31 14:37:53,710 INFO L423 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:37:53,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:37:53,710 INFO L82 PathProgramCache]: Analyzing trace with hash -429274795, now seen corresponding path program 46 times [2019-01-31 14:37:53,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:37:53,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:37:53,711 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:37:53,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:37:53,711 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:37:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:37:56,548 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 [2019-01-31 14:37:56,549 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 [2019-01-31 14:37:56,550 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 [2019-01-31 14:37:56,551 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 [2019-01-31 14:37:56,552 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 [2019-01-31 14:37:56,553 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 [2019-01-31 14:37:56,554 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 [2019-01-31 14:37:56,555 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 [2019-01-31 14:37:56,556 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 [2019-01-31 14:37:56,557 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 [2019-01-31 14:37:56,558 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 [2019-01-31 14:37:56,559 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 [2019-01-31 14:37:56,560 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 [2019-01-31 14:37:56,561 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 [2019-01-31 14:37:56,562 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 [2019-01-31 14:37:56,563 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 [2019-01-31 14:37:56,564 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 [2019-01-31 14:37:56,565 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 [2019-01-31 14:37:56,566 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 [2019-01-31 14:37:56,567 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 [2019-01-31 14:37:56,568 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 [2019-01-31 14:37:56,569 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 [2019-01-31 14:37:56,570 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 [2019-01-31 14:37:56,571 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 [2019-01-31 14:37:56,572 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 [2019-01-31 14:37:56,573 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 [2019-01-31 14:37:56,574 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 [2019-01-31 14:37:56,575 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 [2019-01-31 14:37:56,576 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 [2019-01-31 14:37:56,577 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 [2019-01-31 14:37:56,578 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 [2019-01-31 14:37:56,579 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 [2019-01-31 14:37:56,580 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 [2019-01-31 14:37:56,581 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 [2019-01-31 14:37:56,582 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 [2019-01-31 14:37:56,583 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 [2019-01-31 14:37:56,584 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 [2019-01-31 14:37:56,585 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 [2019-01-31 14:37:56,586 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 [2019-01-31 14:37:56,587 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 [2019-01-31 14:37:56,588 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 [2019-01-31 14:37:56,589 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 [2019-01-31 14:37:56,590 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 [2019-01-31 14:37:56,591 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 [2019-01-31 14:37:56,592 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 [2019-01-31 14:37:56,593 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 [2019-01-31 14:37:56,594 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 [2019-01-31 14:37:56,595 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 [2019-01-31 14:37:56,596 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 [2019-01-31 14:37:56,597 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 [2019-01-31 14:37:56,598 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 [2019-01-31 14:37:56,599 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 [2019-01-31 14:37:56,600 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 [2019-01-31 14:37:56,601 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 [2019-01-31 14:37:56,602 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 [2019-01-31 14:37:56,603 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 [2019-01-31 14:37:56,604 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 [2019-01-31 14:37:56,605 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 [2019-01-31 14:37:56,606 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 [2019-01-31 14:37:56,607 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 [2019-01-31 14:37:56,608 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 [2019-01-31 14:37:56,609 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 [2019-01-31 14:37:56,610 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 [2019-01-31 14:37:56,611 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 [2019-01-31 14:37:56,612 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 [2019-01-31 14:37:56,613 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-01-31 14:37:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:37:56,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:37:56,620 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:37:56,620 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:37:56,620 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:37:56,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:37:56,620 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 [2019-01-31 14:37:56,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:37:56,628 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:37:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:37:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:37:56,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:37:59,449 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 [2019-01-31 14:37:59,451 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:37:59,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:37:59,458 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:37:59,460 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:37:59,460 WARN L398 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)) [2019-01-31 14:37:59,460 WARN L399 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)) [2019-01-31 14:37:59,548 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 [2019-01-31 14:37:59,549 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 [2019-01-31 14:37:59,549 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 [2019-01-31 14:37:59,550 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 [2019-01-31 14:37:59,551 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 [2019-01-31 14:37:59,552 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 [2019-01-31 14:37:59,553 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 [2019-01-31 14:37:59,554 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 [2019-01-31 14:37:59,555 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 [2019-01-31 14:37:59,556 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 [2019-01-31 14:37:59,557 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 [2019-01-31 14:37:59,558 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 [2019-01-31 14:37:59,559 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 [2019-01-31 14:37:59,560 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 [2019-01-31 14:37:59,561 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 [2019-01-31 14:37:59,562 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 [2019-01-31 14:37:59,563 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 [2019-01-31 14:37:59,564 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 [2019-01-31 14:37:59,565 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 [2019-01-31 14:37:59,566 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 [2019-01-31 14:37:59,567 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 [2019-01-31 14:37:59,568 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 [2019-01-31 14:37:59,569 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 [2019-01-31 14:37:59,570 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 [2019-01-31 14:37:59,571 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 [2019-01-31 14:37:59,572 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 [2019-01-31 14:37:59,573 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 [2019-01-31 14:37:59,574 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 [2019-01-31 14:37:59,575 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 [2019-01-31 14:37:59,576 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 [2019-01-31 14:37:59,577 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 [2019-01-31 14:37:59,578 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 [2019-01-31 14:37:59,579 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 [2019-01-31 14:37:59,580 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 [2019-01-31 14:37:59,581 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 [2019-01-31 14:37:59,581 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 [2019-01-31 14:37:59,582 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 [2019-01-31 14:37:59,583 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 [2019-01-31 14:37:59,584 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 [2019-01-31 14:37:59,585 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 [2019-01-31 14:37:59,586 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 [2019-01-31 14:37:59,587 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 [2019-01-31 14:37:59,587 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 [2019-01-31 14:37:59,588 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 [2019-01-31 14:37:59,589 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 [2019-01-31 14:37:59,590 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 [2019-01-31 14:37:59,591 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 [2019-01-31 14:37:59,592 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 [2019-01-31 14:37:59,592 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 [2019-01-31 14:37:59,593 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 [2019-01-31 14:37:59,594 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 [2019-01-31 14:37:59,595 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 [2019-01-31 14:37:59,596 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 [2019-01-31 14:37:59,597 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 [2019-01-31 14:37:59,597 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 [2019-01-31 14:37:59,598 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 [2019-01-31 14:37:59,599 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 [2019-01-31 14:37:59,600 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 [2019-01-31 14:37:59,601 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 [2019-01-31 14:37:59,602 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 [2019-01-31 14:37:59,602 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 [2019-01-31 14:37:59,603 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 [2019-01-31 14:37:59,604 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 [2019-01-31 14:37:59,605 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 [2019-01-31 14:37:59,606 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 [2019-01-31 14:37:59,606 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-01-31 14:37:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:37:59,615 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:37:59,645 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 [2019-01-31 14:37:59,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:37:59,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:37:59,650 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:37:59,652 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:37:59,652 WARN L398 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))))) [2019-01-31 14:37:59,652 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:38:00,996 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-01-31 14:38:00,998 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 [2019-01-31 14:38:00,998 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 [2019-01-31 14:38:01,000 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 [2019-01-31 14:38:01,001 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 [2019-01-31 14:38:01,002 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 [2019-01-31 14:38:01,003 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 [2019-01-31 14:38:01,004 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 [2019-01-31 14:38:01,005 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 [2019-01-31 14:38:01,006 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 [2019-01-31 14:38:01,007 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 [2019-01-31 14:38:01,008 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 [2019-01-31 14:38:01,009 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 [2019-01-31 14:38:01,010 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 [2019-01-31 14:38:01,011 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 [2019-01-31 14:38:01,012 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 [2019-01-31 14:38:01,013 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 [2019-01-31 14:38:01,014 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 [2019-01-31 14:38:01,015 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 [2019-01-31 14:38:01,016 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 [2019-01-31 14:38:01,017 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 [2019-01-31 14:38:01,018 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 [2019-01-31 14:38:01,019 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 [2019-01-31 14:38:01,020 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 [2019-01-31 14:38:01,021 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 [2019-01-31 14:38:01,022 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 [2019-01-31 14:38:01,023 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 [2019-01-31 14:38:01,024 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 [2019-01-31 14:38:01,025 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 [2019-01-31 14:38:01,026 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 [2019-01-31 14:38:01,027 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 [2019-01-31 14:38:01,028 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 [2019-01-31 14:38:01,029 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 [2019-01-31 14:38:01,030 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 [2019-01-31 14:38:01,031 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 [2019-01-31 14:38:01,032 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 [2019-01-31 14:38:01,033 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 [2019-01-31 14:38:01,034 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 [2019-01-31 14:38:01,035 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 [2019-01-31 14:38:01,036 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 [2019-01-31 14:38:01,037 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 [2019-01-31 14:38:01,038 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 [2019-01-31 14:38:01,039 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 [2019-01-31 14:38:01,040 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 [2019-01-31 14:38:01,041 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 [2019-01-31 14:38:01,042 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 [2019-01-31 14:38:01,043 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 [2019-01-31 14:38:01,044 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 [2019-01-31 14:38:01,045 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 [2019-01-31 14:38:01,046 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 [2019-01-31 14:38:01,047 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 [2019-01-31 14:38:01,048 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 [2019-01-31 14:38:01,049 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 [2019-01-31 14:38:01,050 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 [2019-01-31 14:38:01,051 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 [2019-01-31 14:38:01,052 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 [2019-01-31 14:38:01,053 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 [2019-01-31 14:38:01,054 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 [2019-01-31 14:38:01,055 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 [2019-01-31 14:38:01,056 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 [2019-01-31 14:38:01,057 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 [2019-01-31 14:38:01,058 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 [2019-01-31 14:38:01,059 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 [2019-01-31 14:38:01,060 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 [2019-01-31 14:38:01,061 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 [2019-01-31 14:38:01,062 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 [2019-01-31 14:38:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:38:01,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:38:01,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 99 [2019-01-31 14:38:01,088 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:38:01,088 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2019-01-31 14:38:01,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:38:01,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 100 states. [2019-01-31 14:38:01,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:38:01,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 100 states [2019-01-31 14:38:01,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2019-01-31 14:38:01,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=9605, Unknown=0, NotChecked=0, Total=9900 [2019-01-31 14:38:01,187 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 100 states. [2019-01-31 14:38:22,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:38:22,899 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2019-01-31 14:38:22,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-01-31 14:38:22,899 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2019-01-31 14:38:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:38:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-01-31 14:38:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2019-01-31 14:38:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-01-31 14:38:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2019-01-31 14:38:22,901 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 69 states and 74 transitions. [2019-01-31 14:38:22,979 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:38:22,980 INFO L225 Difference]: With dead ends: 102 [2019-01-31 14:38:22,980 INFO L226 Difference]: Without dead ends: 68 [2019-01-31 14:38:22,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 72 SyntacticMatches, 25 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2958 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=624, Invalid=17198, Unknown=0, NotChecked=0, Total=17822 [2019-01-31 14:38:22,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-31 14:38:24,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-01-31 14:38:24,631 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:38:24,631 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2019-01-31 14:38:24,632 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2019-01-31 14:38:24,632 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2019-01-31 14:38:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:38:24,633 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-01-31 14:38:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-01-31 14:38:24,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:38:24,634 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:38:24,634 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2019-01-31 14:38:24,634 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2019-01-31 14:38:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:38:24,634 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-01-31 14:38:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-01-31 14:38:24,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:38:24,635 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:38:24,635 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:38:24,635 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:38:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-31 14:38:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2019-01-31 14:38:24,636 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 66 [2019-01-31 14:38:24,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:38:24,636 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2019-01-31 14:38:24,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 100 states. [2019-01-31 14:38:24,636 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-01-31 14:38:24,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-01-31 14:38:24,636 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:38:24,636 INFO L402 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1, 1] [2019-01-31 14:38:24,636 INFO L423 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:38:24,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:38:24,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1906113844, now seen corresponding path program 47 times [2019-01-31 14:38:24,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:38:24,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:38:24,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:38:24,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:38:24,638 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:38:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:38:25,399 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 [2019-01-31 14:38:25,400 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 [2019-01-31 14:38:25,400 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 [2019-01-31 14:38:25,401 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 [2019-01-31 14:38:25,402 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 [2019-01-31 14:38:25,403 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 [2019-01-31 14:38:25,404 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 [2019-01-31 14:38:25,404 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 [2019-01-31 14:38:25,405 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 [2019-01-31 14:38:25,406 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 [2019-01-31 14:38:25,407 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 [2019-01-31 14:38:25,408 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 [2019-01-31 14:38:25,409 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 [2019-01-31 14:38:25,410 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 [2019-01-31 14:38:25,411 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 [2019-01-31 14:38:25,412 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 [2019-01-31 14:38:25,413 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 [2019-01-31 14:38:25,414 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 [2019-01-31 14:38:25,415 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 [2019-01-31 14:38:25,415 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 [2019-01-31 14:38:25,416 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 [2019-01-31 14:38:25,417 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 [2019-01-31 14:38:25,418 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 [2019-01-31 14:38:25,419 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 [2019-01-31 14:38:25,420 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 [2019-01-31 14:38:25,421 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 [2019-01-31 14:38:25,422 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 [2019-01-31 14:38:25,423 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 [2019-01-31 14:38:25,424 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 [2019-01-31 14:38:25,425 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 [2019-01-31 14:38:25,426 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 [2019-01-31 14:38:25,427 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 [2019-01-31 14:38:25,427 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 [2019-01-31 14:38:25,428 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 [2019-01-31 14:38:25,429 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 [2019-01-31 14:38:25,430 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 [2019-01-31 14:38:25,431 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 [2019-01-31 14:38:25,432 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 [2019-01-31 14:38:25,433 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 [2019-01-31 14:38:25,434 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 [2019-01-31 14:38:25,435 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 [2019-01-31 14:38:25,436 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 [2019-01-31 14:38:25,437 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 [2019-01-31 14:38:25,438 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 [2019-01-31 14:38:25,439 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 [2019-01-31 14:38:25,439 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 [2019-01-31 14:38:25,440 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 [2019-01-31 14:38:25,441 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 [2019-01-31 14:38:25,442 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 [2019-01-31 14:38:25,443 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 [2019-01-31 14:38:25,444 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 [2019-01-31 14:38:25,445 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 [2019-01-31 14:38:25,446 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 [2019-01-31 14:38:25,447 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 [2019-01-31 14:38:25,448 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 [2019-01-31 14:38:25,449 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 [2019-01-31 14:38:25,449 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 [2019-01-31 14:38:25,450 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 [2019-01-31 14:38:25,451 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 [2019-01-31 14:38:25,452 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 [2019-01-31 14:38:25,453 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 [2019-01-31 14:38:25,454 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 [2019-01-31 14:38:25,457 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 [2019-01-31 14:38:25,458 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 [2019-01-31 14:38:25,459 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 [2019-01-31 14:38:25,459 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 [2019-01-31 14:38:25,459 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-01-31 14:38:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:38:25,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:38:25,463 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:38:25,464 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:38:25,464 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:38:25,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:38:25,464 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 [2019-01-31 14:38:25,472 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:38:25,472 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:38:25,642 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2019-01-31 14:38:25,642 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:38:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:38:25,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:38:26,031 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 [2019-01-31 14:38:26,032 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 [2019-01-31 14:38:26,033 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 [2019-01-31 14:38:26,034 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 [2019-01-31 14:38:26,035 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 [2019-01-31 14:38:26,035 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 [2019-01-31 14:38:26,036 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 [2019-01-31 14:38:26,037 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 [2019-01-31 14:38:26,038 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 [2019-01-31 14:38:26,039 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 [2019-01-31 14:38:26,040 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 [2019-01-31 14:38:26,041 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 [2019-01-31 14:38:26,042 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 [2019-01-31 14:38:26,045 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 [2019-01-31 14:38:26,045 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 [2019-01-31 14:38:26,046 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 [2019-01-31 14:38:26,046 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 [2019-01-31 14:38:26,047 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 [2019-01-31 14:38:26,047 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 [2019-01-31 14:38:26,048 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 [2019-01-31 14:38:26,049 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 [2019-01-31 14:38:26,050 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 [2019-01-31 14:38:26,051 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 [2019-01-31 14:38:26,052 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 [2019-01-31 14:38:26,053 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 [2019-01-31 14:38:26,053 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 [2019-01-31 14:38:26,054 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 [2019-01-31 14:38:26,055 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 [2019-01-31 14:38:26,056 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 [2019-01-31 14:38:26,057 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 [2019-01-31 14:38:26,058 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 [2019-01-31 14:38:26,059 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 [2019-01-31 14:38:26,060 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 [2019-01-31 14:38:26,061 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 [2019-01-31 14:38:26,062 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 [2019-01-31 14:38:26,063 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 [2019-01-31 14:38:26,064 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 [2019-01-31 14:38:26,065 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 [2019-01-31 14:38:26,065 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 [2019-01-31 14:38:26,066 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 [2019-01-31 14:38:26,067 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 [2019-01-31 14:38:26,068 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 [2019-01-31 14:38:26,069 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 [2019-01-31 14:38:26,070 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 [2019-01-31 14:38:26,071 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 [2019-01-31 14:38:26,072 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 [2019-01-31 14:38:26,073 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 [2019-01-31 14:38:26,074 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 [2019-01-31 14:38:26,075 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 [2019-01-31 14:38:26,076 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 [2019-01-31 14:38:26,077 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 [2019-01-31 14:38:26,078 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 [2019-01-31 14:38:26,079 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 [2019-01-31 14:38:26,080 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 [2019-01-31 14:38:26,081 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 [2019-01-31 14:38:26,082 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 [2019-01-31 14:38:26,083 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 [2019-01-31 14:38:26,084 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 [2019-01-31 14:38:26,085 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 [2019-01-31 14:38:26,086 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 [2019-01-31 14:38:26,087 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 [2019-01-31 14:38:26,088 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 [2019-01-31 14:38:26,089 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 [2019-01-31 14:38:26,090 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 [2019-01-31 14:38:26,091 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 [2019-01-31 14:38:26,092 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 [2019-01-31 14:38:26,092 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-01-31 14:38:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:38:26,097 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:38:27,725 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-01-31 14:38:27,726 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 [2019-01-31 14:38:27,727 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 [2019-01-31 14:38:27,728 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 [2019-01-31 14:38:27,729 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 [2019-01-31 14:38:27,730 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 [2019-01-31 14:38:27,731 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 [2019-01-31 14:38:27,732 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 [2019-01-31 14:38:27,733 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 [2019-01-31 14:38:27,734 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 [2019-01-31 14:38:27,734 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 [2019-01-31 14:38:27,735 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 [2019-01-31 14:38:27,736 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 [2019-01-31 14:38:27,737 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 [2019-01-31 14:38:27,738 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 [2019-01-31 14:38:27,739 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 [2019-01-31 14:38:27,740 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 [2019-01-31 14:38:27,741 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 [2019-01-31 14:38:27,742 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 [2019-01-31 14:38:27,743 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 [2019-01-31 14:38:27,744 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 [2019-01-31 14:38:27,745 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 [2019-01-31 14:38:27,745 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 [2019-01-31 14:38:27,746 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 [2019-01-31 14:38:27,754 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 [2019-01-31 14:38:27,755 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 [2019-01-31 14:38:27,755 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 [2019-01-31 14:38:27,756 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 [2019-01-31 14:38:27,756 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 [2019-01-31 14:38:27,757 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 [2019-01-31 14:38:27,757 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 [2019-01-31 14:38:27,758 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 [2019-01-31 14:38:27,759 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 [2019-01-31 14:38:27,760 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 [2019-01-31 14:38:27,761 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 [2019-01-31 14:38:27,762 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 [2019-01-31 14:38:27,763 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 [2019-01-31 14:38:27,764 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 [2019-01-31 14:38:27,765 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 [2019-01-31 14:38:27,766 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 [2019-01-31 14:38:27,767 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 [2019-01-31 14:38:27,768 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 [2019-01-31 14:38:27,768 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 [2019-01-31 14:38:27,769 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 [2019-01-31 14:38:27,770 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 [2019-01-31 14:38:27,771 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 [2019-01-31 14:38:27,772 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 [2019-01-31 14:38:27,773 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 [2019-01-31 14:38:27,774 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 [2019-01-31 14:38:27,775 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 [2019-01-31 14:38:27,776 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 [2019-01-31 14:38:27,777 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 [2019-01-31 14:38:27,778 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 [2019-01-31 14:38:27,779 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 [2019-01-31 14:38:27,780 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 [2019-01-31 14:38:27,780 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 [2019-01-31 14:38:27,781 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 [2019-01-31 14:38:27,782 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 [2019-01-31 14:38:27,783 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 [2019-01-31 14:38:27,784 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 [2019-01-31 14:38:27,785 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 [2019-01-31 14:38:27,786 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 [2019-01-31 14:38:27,787 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 [2019-01-31 14:38:27,788 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 [2019-01-31 14:38:27,789 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 [2019-01-31 14:38:27,790 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 [2019-01-31 14:38:27,790 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 [2019-01-31 14:38:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:38:27,815 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:38:27,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 34 [2019-01-31 14:38:27,816 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:38:27,816 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2019-01-31 14:38:27,816 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:38:27,816 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2019-01-31 14:38:27,896 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:38:27,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-01-31 14:38:27,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-01-31 14:38:27,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2019-01-31 14:38:27,897 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 35 states. [2019-01-31 14:38:30,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:38:30,594 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-31 14:38:30,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-01-31 14:38:30,594 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2019-01-31 14:38:30,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:38:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-31 14:38:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2019-01-31 14:38:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-31 14:38:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2019-01-31 14:38:30,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 67 states and 72 transitions. [2019-01-31 14:38:30,663 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:38:30,664 INFO L225 Difference]: With dead ends: 71 [2019-01-31 14:38:30,664 INFO L226 Difference]: Without dead ends: 69 [2019-01-31 14:38:30,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 101 SyntacticMatches, 64 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1683, Invalid=2739, Unknown=0, NotChecked=0, Total=4422 [2019-01-31 14:38:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-31 14:38:32,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-01-31 14:38:32,698 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:38:32,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 69 states. [2019-01-31 14:38:32,698 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2019-01-31 14:38:32,698 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2019-01-31 14:38:32,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:38:32,700 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2019-01-31 14:38:32,700 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-01-31 14:38:32,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:38:32,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:38:32,700 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2019-01-31 14:38:32,701 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2019-01-31 14:38:32,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:38:32,701 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2019-01-31 14:38:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-01-31 14:38:32,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:38:32,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:38:32,702 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:38:32,702 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:38:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-01-31 14:38:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2019-01-31 14:38:32,703 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 67 [2019-01-31 14:38:32,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:38:32,703 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2019-01-31 14:38:32,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-01-31 14:38:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-01-31 14:38:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-01-31 14:38:32,704 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:38:32,704 INFO L402 BasicCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1] [2019-01-31 14:38:32,704 INFO L423 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:38:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:38:32,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1040014794, now seen corresponding path program 48 times [2019-01-31 14:38:32,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:38:32,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:38:32,705 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:38:32,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:38:32,706 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:38:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:38:35,554 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 [2019-01-31 14:38:35,555 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 [2019-01-31 14:38:35,556 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 [2019-01-31 14:38:35,558 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 [2019-01-31 14:38:35,559 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 [2019-01-31 14:38:35,560 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 [2019-01-31 14:38:35,561 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 [2019-01-31 14:38:35,562 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 [2019-01-31 14:38:35,563 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 [2019-01-31 14:38:35,564 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 [2019-01-31 14:38:35,565 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 [2019-01-31 14:38:35,565 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 [2019-01-31 14:38:35,566 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 [2019-01-31 14:38:35,567 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 [2019-01-31 14:38:35,568 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 [2019-01-31 14:38:35,569 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 [2019-01-31 14:38:35,570 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 [2019-01-31 14:38:35,571 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 [2019-01-31 14:38:35,572 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 [2019-01-31 14:38:35,573 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 [2019-01-31 14:38:35,574 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 [2019-01-31 14:38:35,575 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 [2019-01-31 14:38:35,576 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 [2019-01-31 14:38:35,577 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 [2019-01-31 14:38:35,578 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 [2019-01-31 14:38:35,579 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 [2019-01-31 14:38:35,580 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 [2019-01-31 14:38:35,581 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 [2019-01-31 14:38:35,582 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 [2019-01-31 14:38:35,583 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 [2019-01-31 14:38:35,584 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 [2019-01-31 14:38:35,586 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 [2019-01-31 14:38:35,587 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 [2019-01-31 14:38:35,588 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 [2019-01-31 14:38:35,589 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 [2019-01-31 14:38:35,590 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 [2019-01-31 14:38:35,591 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 [2019-01-31 14:38:35,592 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 [2019-01-31 14:38:35,593 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 [2019-01-31 14:38:35,594 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 [2019-01-31 14:38:35,595 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 [2019-01-31 14:38:35,596 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 [2019-01-31 14:38:35,597 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 [2019-01-31 14:38:35,598 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 [2019-01-31 14:38:35,599 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 [2019-01-31 14:38:35,600 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 [2019-01-31 14:38:35,601 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 [2019-01-31 14:38:35,602 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 [2019-01-31 14:38:35,603 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 [2019-01-31 14:38:35,604 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 [2019-01-31 14:38:35,605 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 [2019-01-31 14:38:35,606 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 [2019-01-31 14:38:35,607 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 [2019-01-31 14:38:35,608 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 [2019-01-31 14:38:35,609 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 [2019-01-31 14:38:35,610 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 [2019-01-31 14:38:35,611 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 [2019-01-31 14:38:35,612 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 [2019-01-31 14:38:35,613 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 [2019-01-31 14:38:35,614 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 [2019-01-31 14:38:35,615 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 [2019-01-31 14:38:35,616 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 [2019-01-31 14:38:35,617 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 [2019-01-31 14:38:35,618 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 [2019-01-31 14:38:35,619 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 [2019-01-31 14:38:35,620 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 [2019-01-31 14:38:35,621 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 [2019-01-31 14:38:35,621 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-01-31 14:38:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:38:35,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:38:35,629 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:38:35,630 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:38:35,630 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:38:35,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:38:35,630 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 [2019-01-31 14:38:35,638 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:38:35,638 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:38:35,681 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:38:35,681 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:38:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:38:35,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:38:38,764 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 [2019-01-31 14:38:38,765 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:38:38,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:38:38,772 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:38:38,775 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:38:38,775 WARN L398 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)) [2019-01-31 14:38:38,776 WARN L399 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))) [2019-01-31 14:38:38,897 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,898 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,899 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,900 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 [2019-01-31 14:38:38,901 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 [2019-01-31 14:38:38,901 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 [2019-01-31 14:38:38,901 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 [2019-01-31 14:38:38,901 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 [2019-01-31 14:38:38,902 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 [2019-01-31 14:38:38,902 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 [2019-01-31 14:38:38,903 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 [2019-01-31 14:38:38,904 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 [2019-01-31 14:38:38,904 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 [2019-01-31 14:38:38,905 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 [2019-01-31 14:38:38,906 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 [2019-01-31 14:38:38,907 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 [2019-01-31 14:38:38,908 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 [2019-01-31 14:38:38,910 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 [2019-01-31 14:38:38,911 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 [2019-01-31 14:38:38,912 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 [2019-01-31 14:38:38,913 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 [2019-01-31 14:38:38,914 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 [2019-01-31 14:38:38,915 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 [2019-01-31 14:38:38,916 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 [2019-01-31 14:38:38,917 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 [2019-01-31 14:38:38,918 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 [2019-01-31 14:38:38,919 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 [2019-01-31 14:38:38,920 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 [2019-01-31 14:38:38,921 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 [2019-01-31 14:38:38,922 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 [2019-01-31 14:38:38,923 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 [2019-01-31 14:38:38,924 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 [2019-01-31 14:38:38,925 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 [2019-01-31 14:38:38,926 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 [2019-01-31 14:38:38,927 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 [2019-01-31 14:38:38,928 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 [2019-01-31 14:38:38,930 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 [2019-01-31 14:38:38,931 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 [2019-01-31 14:38:38,932 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 [2019-01-31 14:38:38,933 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 [2019-01-31 14:38:38,934 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 [2019-01-31 14:38:38,934 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-01-31 14:38:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-01-31 14:38:38,942 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:38:39,095 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 [2019-01-31 14:38:39,098 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:38:39,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:38:39,109 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:38:39,113 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:38:39,113 WARN L398 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)) [2019-01-31 14:38:39,113 WARN L399 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)) [2019-01-31 14:38:42,803 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-01-31 14:38:42,805 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 [2019-01-31 14:38:42,806 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 [2019-01-31 14:38:42,807 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 [2019-01-31 14:38:42,808 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 [2019-01-31 14:38:42,809 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 [2019-01-31 14:38:42,811 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 [2019-01-31 14:38:42,812 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 [2019-01-31 14:38:42,813 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 [2019-01-31 14:38:42,814 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 [2019-01-31 14:38:42,815 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 [2019-01-31 14:38:42,816 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 [2019-01-31 14:38:42,817 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 [2019-01-31 14:38:42,819 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 [2019-01-31 14:38:42,820 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 [2019-01-31 14:38:42,821 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 [2019-01-31 14:38:42,822 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 [2019-01-31 14:38:42,823 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 [2019-01-31 14:38:42,824 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 [2019-01-31 14:38:42,825 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 [2019-01-31 14:38:42,827 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 [2019-01-31 14:38:42,828 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 [2019-01-31 14:38:42,829 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 [2019-01-31 14:38:42,830 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 [2019-01-31 14:38:42,831 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 [2019-01-31 14:38:42,832 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 [2019-01-31 14:38:42,834 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 [2019-01-31 14:38:42,835 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 [2019-01-31 14:38:42,836 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 [2019-01-31 14:38:42,837 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 [2019-01-31 14:38:42,838 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 [2019-01-31 14:38:42,839 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 [2019-01-31 14:38:42,840 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 [2019-01-31 14:38:42,842 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 [2019-01-31 14:38:42,843 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 [2019-01-31 14:38:42,843 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 [2019-01-31 14:38:42,843 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 [2019-01-31 14:38:42,843 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 [2019-01-31 14:38:42,843 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 [2019-01-31 14:38:42,844 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 [2019-01-31 14:38:42,844 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 [2019-01-31 14:38:42,844 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 [2019-01-31 14:38:42,844 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 [2019-01-31 14:38:42,844 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 [2019-01-31 14:38:42,844 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,845 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,846 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 [2019-01-31 14:38:42,847 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 [2019-01-31 14:38:42,847 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 [2019-01-31 14:38:42,847 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 [2019-01-31 14:38:42,847 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 [2019-01-31 14:38:42,847 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 [2019-01-31 14:38:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-01-31 14:38:42,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:38:42,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 35, 35] total 134 [2019-01-31 14:38:42,886 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:38:42,886 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2019-01-31 14:38:42,886 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:38:42,887 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states. [2019-01-31 14:38:43,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:38:43,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 101 states [2019-01-31 14:38:43,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2019-01-31 14:38:43,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2378, Invalid=15444, Unknown=0, NotChecked=0, Total=17822 [2019-01-31 14:38:43,086 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 101 states. [2019-01-31 14:39:06,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:06,524 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2019-01-31 14:39:06,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2019-01-31 14:39:06,524 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2019-01-31 14:39:06,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:39:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-01-31 14:39:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2019-01-31 14:39:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-01-31 14:39:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2019-01-31 14:39:06,527 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 104 states and 111 transitions. [2019-01-31 14:39:06,657 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:39:06,658 INFO L225 Difference]: With dead ends: 107 [2019-01-31 14:39:06,658 INFO L226 Difference]: Without dead ends: 71 [2019-01-31 14:39:06,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2344 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=3787, Invalid=25283, Unknown=0, NotChecked=0, Total=29070 [2019-01-31 14:39:06,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-31 14:39:08,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-01-31 14:39:08,608 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:39:08,608 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2019-01-31 14:39:08,608 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2019-01-31 14:39:08,608 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2019-01-31 14:39:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:08,610 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-31 14:39:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-01-31 14:39:08,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:39:08,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:39:08,611 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2019-01-31 14:39:08,611 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2019-01-31 14:39:08,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:08,612 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-31 14:39:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-01-31 14:39:08,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:39:08,613 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:39:08,613 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:39:08,613 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:39:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-31 14:39:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2019-01-31 14:39:08,614 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 68 [2019-01-31 14:39:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:39:08,614 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2019-01-31 14:39:08,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2019-01-31 14:39:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-01-31 14:39:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-01-31 14:39:08,615 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:39:08,615 INFO L402 BasicCegarLoop]: trace histogram [33, 33, 1, 1, 1, 1] [2019-01-31 14:39:08,615 INFO L423 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:39:08,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:39:08,616 INFO L82 PathProgramCache]: Analyzing trace with hash -986406475, now seen corresponding path program 49 times [2019-01-31 14:39:08,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:39:08,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:39:08,616 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:39:08,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:39:08,617 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:39:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:39:12,043 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 [2019-01-31 14:39:12,044 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 [2019-01-31 14:39:12,045 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 [2019-01-31 14:39:12,046 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 [2019-01-31 14:39:12,047 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 [2019-01-31 14:39:12,048 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 [2019-01-31 14:39:12,049 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 [2019-01-31 14:39:12,050 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 [2019-01-31 14:39:12,051 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 [2019-01-31 14:39:12,052 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 [2019-01-31 14:39:12,053 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 [2019-01-31 14:39:12,054 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 [2019-01-31 14:39:12,055 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 [2019-01-31 14:39:12,056 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 [2019-01-31 14:39:12,057 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 [2019-01-31 14:39:12,058 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 [2019-01-31 14:39:12,059 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 [2019-01-31 14:39:12,060 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 [2019-01-31 14:39:12,061 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 [2019-01-31 14:39:12,062 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 [2019-01-31 14:39:12,063 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 [2019-01-31 14:39:12,064 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 [2019-01-31 14:39:12,065 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 [2019-01-31 14:39:12,066 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 [2019-01-31 14:39:12,067 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 [2019-01-31 14:39:12,068 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 [2019-01-31 14:39:12,069 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 [2019-01-31 14:39:12,070 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 [2019-01-31 14:39:12,071 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 [2019-01-31 14:39:12,072 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 [2019-01-31 14:39:12,073 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 [2019-01-31 14:39:12,074 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 [2019-01-31 14:39:12,075 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 [2019-01-31 14:39:12,076 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 [2019-01-31 14:39:12,077 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 [2019-01-31 14:39:12,078 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 [2019-01-31 14:39:12,079 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 [2019-01-31 14:39:12,080 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 [2019-01-31 14:39:12,081 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 [2019-01-31 14:39:12,095 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 [2019-01-31 14:39:12,096 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 [2019-01-31 14:39:12,096 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 [2019-01-31 14:39:12,097 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 [2019-01-31 14:39:12,097 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 [2019-01-31 14:39:12,098 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 [2019-01-31 14:39:12,099 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 [2019-01-31 14:39:12,101 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 [2019-01-31 14:39:12,102 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 [2019-01-31 14:39:12,103 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 [2019-01-31 14:39:12,104 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 [2019-01-31 14:39:12,116 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 [2019-01-31 14:39:12,117 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 [2019-01-31 14:39:12,118 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 [2019-01-31 14:39:12,118 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 [2019-01-31 14:39:12,119 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 [2019-01-31 14:39:12,120 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 [2019-01-31 14:39:12,121 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 [2019-01-31 14:39:12,122 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 [2019-01-31 14:39:12,123 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 [2019-01-31 14:39:12,124 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 [2019-01-31 14:39:12,125 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 [2019-01-31 14:39:12,126 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 [2019-01-31 14:39:12,127 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 [2019-01-31 14:39:12,128 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 [2019-01-31 14:39:12,129 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 [2019-01-31 14:39:12,130 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 [2019-01-31 14:39:12,131 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 [2019-01-31 14:39:12,132 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 [2019-01-31 14:39:12,133 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 [2019-01-31 14:39:12,134 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-01-31 14:39:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:39:12,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:39:12,141 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:39:12,141 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:39:12,141 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:39:12,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:39:12,142 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 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 [2019-01-31 14:39:12,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:39:12,149 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:39:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:39:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:39:12,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:39:15,527 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 [2019-01-31 14:39:15,533 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:39:15,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:39:15,540 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:39:15,542 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:39:15,542 WARN L398 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)) [2019-01-31 14:39:15,542 WARN L399 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)) [2019-01-31 14:39:15,679 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 [2019-01-31 14:39:15,680 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 [2019-01-31 14:39:15,681 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 [2019-01-31 14:39:15,682 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 [2019-01-31 14:39:15,683 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 [2019-01-31 14:39:15,684 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 [2019-01-31 14:39:15,685 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 [2019-01-31 14:39:15,686 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 [2019-01-31 14:39:15,687 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 [2019-01-31 14:39:15,688 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 [2019-01-31 14:39:15,689 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 [2019-01-31 14:39:15,690 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 [2019-01-31 14:39:15,691 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 [2019-01-31 14:39:15,692 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 [2019-01-31 14:39:15,693 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 [2019-01-31 14:39:15,694 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 [2019-01-31 14:39:15,695 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 [2019-01-31 14:39:15,696 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 [2019-01-31 14:39:15,697 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 [2019-01-31 14:39:15,698 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 [2019-01-31 14:39:15,699 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 [2019-01-31 14:39:15,700 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 [2019-01-31 14:39:15,701 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 [2019-01-31 14:39:15,702 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 [2019-01-31 14:39:15,703 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 [2019-01-31 14:39:15,704 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 [2019-01-31 14:39:15,705 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 [2019-01-31 14:39:15,706 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 [2019-01-31 14:39:15,707 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 [2019-01-31 14:39:15,708 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 [2019-01-31 14:39:15,709 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 [2019-01-31 14:39:15,710 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 [2019-01-31 14:39:15,711 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 [2019-01-31 14:39:15,712 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 [2019-01-31 14:39:15,713 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 [2019-01-31 14:39:15,714 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 [2019-01-31 14:39:15,715 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 [2019-01-31 14:39:15,716 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 [2019-01-31 14:39:15,717 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 [2019-01-31 14:39:15,718 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 [2019-01-31 14:39:15,718 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 [2019-01-31 14:39:15,719 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 [2019-01-31 14:39:15,720 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 [2019-01-31 14:39:15,721 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 [2019-01-31 14:39:15,722 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 [2019-01-31 14:39:15,723 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 [2019-01-31 14:39:15,724 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 [2019-01-31 14:39:15,724 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 [2019-01-31 14:39:15,725 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 [2019-01-31 14:39:15,726 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 [2019-01-31 14:39:15,727 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 [2019-01-31 14:39:15,728 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 [2019-01-31 14:39:15,729 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 [2019-01-31 14:39:15,730 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 [2019-01-31 14:39:15,731 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 [2019-01-31 14:39:15,731 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 [2019-01-31 14:39:15,732 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 [2019-01-31 14:39:15,733 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 [2019-01-31 14:39:15,734 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 [2019-01-31 14:39:15,735 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 [2019-01-31 14:39:15,736 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 [2019-01-31 14:39:15,737 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 [2019-01-31 14:39:15,737 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 [2019-01-31 14:39:15,738 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 [2019-01-31 14:39:15,739 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 [2019-01-31 14:39:15,740 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 [2019-01-31 14:39:15,741 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 [2019-01-31 14:39:15,742 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 [2019-01-31 14:39:15,743 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 [2019-01-31 14:39:15,743 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-01-31 14:39:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:39:15,753 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:39:15,782 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 [2019-01-31 14:39:15,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:39:15,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:39:15,788 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:39:15,791 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:39:15,791 WARN L398 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))))) [2019-01-31 14:39:15,791 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:39:17,053 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-01-31 14:39:17,054 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 [2019-01-31 14:39:17,054 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 [2019-01-31 14:39:17,055 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 [2019-01-31 14:39:17,056 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 [2019-01-31 14:39:17,057 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 [2019-01-31 14:39:17,058 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 [2019-01-31 14:39:17,059 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 [2019-01-31 14:39:17,060 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 [2019-01-31 14:39:17,061 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 [2019-01-31 14:39:17,062 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 [2019-01-31 14:39:17,063 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 [2019-01-31 14:39:17,064 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 [2019-01-31 14:39:17,065 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 [2019-01-31 14:39:17,066 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 [2019-01-31 14:39:17,067 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 [2019-01-31 14:39:17,068 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 [2019-01-31 14:39:17,069 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 [2019-01-31 14:39:17,070 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 [2019-01-31 14:39:17,071 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 [2019-01-31 14:39:17,072 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 [2019-01-31 14:39:17,073 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 [2019-01-31 14:39:17,074 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 [2019-01-31 14:39:17,075 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 [2019-01-31 14:39:17,076 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 [2019-01-31 14:39:17,077 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 [2019-01-31 14:39:17,093 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 [2019-01-31 14:39:17,094 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 [2019-01-31 14:39:17,095 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 [2019-01-31 14:39:17,095 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 [2019-01-31 14:39:17,096 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 [2019-01-31 14:39:17,096 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 [2019-01-31 14:39:17,097 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 [2019-01-31 14:39:17,098 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 [2019-01-31 14:39:17,099 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 [2019-01-31 14:39:17,100 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 [2019-01-31 14:39:17,101 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 [2019-01-31 14:39:17,102 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 [2019-01-31 14:39:17,103 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 [2019-01-31 14:39:17,104 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 [2019-01-31 14:39:17,105 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 [2019-01-31 14:39:17,106 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 [2019-01-31 14:39:17,107 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 [2019-01-31 14:39:17,108 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 [2019-01-31 14:39:17,109 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 [2019-01-31 14:39:17,110 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 [2019-01-31 14:39:17,111 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 [2019-01-31 14:39:17,112 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 [2019-01-31 14:39:17,113 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 [2019-01-31 14:39:17,114 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 [2019-01-31 14:39:17,115 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 [2019-01-31 14:39:17,116 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 [2019-01-31 14:39:17,117 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 [2019-01-31 14:39:17,118 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 [2019-01-31 14:39:17,119 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 [2019-01-31 14:39:17,120 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 [2019-01-31 14:39:17,121 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 [2019-01-31 14:39:17,122 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 [2019-01-31 14:39:17,123 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 [2019-01-31 14:39:17,124 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 [2019-01-31 14:39:17,125 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 [2019-01-31 14:39:17,126 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 [2019-01-31 14:39:17,127 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 [2019-01-31 14:39:17,128 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 [2019-01-31 14:39:17,129 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 [2019-01-31 14:39:17,130 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 [2019-01-31 14:39:17,131 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 [2019-01-31 14:39:17,132 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 [2019-01-31 14:39:17,133 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 [2019-01-31 14:39:17,134 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 [2019-01-31 14:39:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:39:17,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:39:17,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 105 [2019-01-31 14:39:17,162 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:39:17,162 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2019-01-31 14:39:17,163 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:39:17,163 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states. [2019-01-31 14:39:17,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:39:17,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 106 states [2019-01-31 14:39:17,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2019-01-31 14:39:17,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=10817, Unknown=0, NotChecked=0, Total=11130 [2019-01-31 14:39:17,272 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 106 states. [2019-01-31 14:39:41,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:41,595 INFO L93 Difference]: Finished difference Result 108 states and 110 transitions. [2019-01-31 14:39:41,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2019-01-31 14:39:41,595 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2019-01-31 14:39:41,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:39:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-31 14:39:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2019-01-31 14:39:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-31 14:39:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2019-01-31 14:39:41,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 73 states and 78 transitions. [2019-01-31 14:39:41,702 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:39:41,704 INFO L225 Difference]: With dead ends: 108 [2019-01-31 14:39:41,704 INFO L226 Difference]: Without dead ends: 72 [2019-01-31 14:39:41,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 78 SyntacticMatches, 25 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3274 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=662, Invalid=19360, Unknown=0, NotChecked=0, Total=20022 [2019-01-31 14:39:41,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-31 14:39:43,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-01-31 14:39:43,616 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:39:43,616 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 72 states. [2019-01-31 14:39:43,616 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2019-01-31 14:39:43,616 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2019-01-31 14:39:43,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:43,617 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2019-01-31 14:39:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-01-31 14:39:43,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:39:43,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:39:43,618 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2019-01-31 14:39:43,618 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2019-01-31 14:39:43,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:43,620 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2019-01-31 14:39:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-01-31 14:39:43,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:39:43,620 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:39:43,620 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:39:43,620 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:39:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-01-31 14:39:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2019-01-31 14:39:43,621 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 70 [2019-01-31 14:39:43,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:39:43,622 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2019-01-31 14:39:43,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 106 states. [2019-01-31 14:39:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-01-31 14:39:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-01-31 14:39:43,622 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:39:43,622 INFO L402 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1, 1] [2019-01-31 14:39:43,622 INFO L423 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:39:43,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:39:43,623 INFO L82 PathProgramCache]: Analyzing trace with hash -227129428, now seen corresponding path program 50 times [2019-01-31 14:39:43,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:39:43,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:39:43,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:39:43,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:39:43,624 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:39:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:39:45,674 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 [2019-01-31 14:39:45,675 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 [2019-01-31 14:39:45,676 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 [2019-01-31 14:39:45,677 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 [2019-01-31 14:39:45,678 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 [2019-01-31 14:39:45,679 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 [2019-01-31 14:39:45,680 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 [2019-01-31 14:39:45,681 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 [2019-01-31 14:39:45,682 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 [2019-01-31 14:39:45,683 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 [2019-01-31 14:39:45,684 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 [2019-01-31 14:39:45,685 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 [2019-01-31 14:39:45,685 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 [2019-01-31 14:39:45,686 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 [2019-01-31 14:39:45,687 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 [2019-01-31 14:39:45,688 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 [2019-01-31 14:39:45,689 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 [2019-01-31 14:39:45,690 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 [2019-01-31 14:39:45,691 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 [2019-01-31 14:39:45,692 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 [2019-01-31 14:39:45,693 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 [2019-01-31 14:39:45,694 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 [2019-01-31 14:39:45,695 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 [2019-01-31 14:39:45,696 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 [2019-01-31 14:39:45,696 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 [2019-01-31 14:39:45,697 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 [2019-01-31 14:39:45,698 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 [2019-01-31 14:39:45,699 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 [2019-01-31 14:39:45,700 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 [2019-01-31 14:39:45,701 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 [2019-01-31 14:39:45,702 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 [2019-01-31 14:39:45,703 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 [2019-01-31 14:39:45,704 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 [2019-01-31 14:39:45,705 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 [2019-01-31 14:39:45,706 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 [2019-01-31 14:39:45,707 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 [2019-01-31 14:39:45,707 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 [2019-01-31 14:39:45,708 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 [2019-01-31 14:39:45,709 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 [2019-01-31 14:39:45,710 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 [2019-01-31 14:39:45,711 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 [2019-01-31 14:39:45,712 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 [2019-01-31 14:39:45,713 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 [2019-01-31 14:39:45,714 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 [2019-01-31 14:39:45,715 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 [2019-01-31 14:39:45,716 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 [2019-01-31 14:39:45,717 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 [2019-01-31 14:39:45,717 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 [2019-01-31 14:39:45,718 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 [2019-01-31 14:39:45,719 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 [2019-01-31 14:39:45,720 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 [2019-01-31 14:39:45,721 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 [2019-01-31 14:39:45,722 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 [2019-01-31 14:39:45,723 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 [2019-01-31 14:39:45,724 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 [2019-01-31 14:39:45,725 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 [2019-01-31 14:39:45,726 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 [2019-01-31 14:39:45,727 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 [2019-01-31 14:39:45,727 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 [2019-01-31 14:39:45,728 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 [2019-01-31 14:39:45,729 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 [2019-01-31 14:39:45,730 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 [2019-01-31 14:39:45,731 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 [2019-01-31 14:39:45,732 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 [2019-01-31 14:39:45,733 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 [2019-01-31 14:39:45,734 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 [2019-01-31 14:39:45,735 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 [2019-01-31 14:39:45,736 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 [2019-01-31 14:39:45,737 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 [2019-01-31 14:39:45,737 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 [2019-01-31 14:39:45,737 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-01-31 14:39:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:39:45,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:39:45,744 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:39:45,744 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:39:45,744 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:39:45,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:39:45,744 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 [2019-01-31 14:39:45,754 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:39:45,754 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:39:45,940 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2019-01-31 14:39:45,940 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:39:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:39:45,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:39:46,305 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 [2019-01-31 14:39:46,307 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 [2019-01-31 14:39:46,307 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 [2019-01-31 14:39:46,308 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 [2019-01-31 14:39:46,309 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 [2019-01-31 14:39:46,309 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 [2019-01-31 14:39:46,310 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 [2019-01-31 14:39:46,311 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 [2019-01-31 14:39:46,312 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 [2019-01-31 14:39:46,313 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 [2019-01-31 14:39:46,314 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 [2019-01-31 14:39:46,315 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 [2019-01-31 14:39:46,316 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 [2019-01-31 14:39:46,317 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 [2019-01-31 14:39:46,336 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 [2019-01-31 14:39:46,345 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 [2019-01-31 14:39:46,357 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 [2019-01-31 14:39:46,360 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 [2019-01-31 14:39:46,362 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 [2019-01-31 14:39:46,362 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 [2019-01-31 14:39:46,363 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 [2019-01-31 14:39:46,363 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 [2019-01-31 14:39:46,365 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 [2019-01-31 14:39:46,365 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 [2019-01-31 14:39:46,366 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 [2019-01-31 14:39:46,367 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 [2019-01-31 14:39:46,368 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 [2019-01-31 14:39:46,369 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 [2019-01-31 14:39:46,370 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 [2019-01-31 14:39:46,371 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 [2019-01-31 14:39:46,372 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 [2019-01-31 14:39:46,373 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 [2019-01-31 14:39:46,374 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 [2019-01-31 14:39:46,374 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 [2019-01-31 14:39:46,375 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 [2019-01-31 14:39:46,376 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 [2019-01-31 14:39:46,377 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 [2019-01-31 14:39:46,378 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 [2019-01-31 14:39:46,379 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 [2019-01-31 14:39:46,380 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 [2019-01-31 14:39:46,381 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 [2019-01-31 14:39:46,382 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 [2019-01-31 14:39:46,383 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 [2019-01-31 14:39:46,384 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 [2019-01-31 14:39:46,384 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 [2019-01-31 14:39:46,385 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 [2019-01-31 14:39:46,386 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 [2019-01-31 14:39:46,387 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 [2019-01-31 14:39:46,388 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 [2019-01-31 14:39:46,389 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 [2019-01-31 14:39:46,390 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 [2019-01-31 14:39:46,391 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 [2019-01-31 14:39:46,392 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 [2019-01-31 14:39:46,393 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 [2019-01-31 14:39:46,394 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 [2019-01-31 14:39:46,394 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 [2019-01-31 14:39:46,395 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 [2019-01-31 14:39:46,396 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 [2019-01-31 14:39:46,397 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 [2019-01-31 14:39:46,398 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 [2019-01-31 14:39:46,399 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 [2019-01-31 14:39:46,400 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 [2019-01-31 14:39:46,401 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 [2019-01-31 14:39:46,402 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 [2019-01-31 14:39:46,403 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 [2019-01-31 14:39:46,404 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 [2019-01-31 14:39:46,404 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 [2019-01-31 14:39:46,405 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 [2019-01-31 14:39:46,406 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 [2019-01-31 14:39:46,407 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 [2019-01-31 14:39:46,407 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-01-31 14:39:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:39:46,413 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:39:47,689 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-01-31 14:39:47,689 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 [2019-01-31 14:39:47,690 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 [2019-01-31 14:39:47,690 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 [2019-01-31 14:39:47,691 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 [2019-01-31 14:39:47,692 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 [2019-01-31 14:39:47,693 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 [2019-01-31 14:39:47,694 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 [2019-01-31 14:39:47,695 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 [2019-01-31 14:39:47,696 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 [2019-01-31 14:39:47,697 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 [2019-01-31 14:39:47,698 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 [2019-01-31 14:39:47,699 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 [2019-01-31 14:39:47,699 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 [2019-01-31 14:39:47,700 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 [2019-01-31 14:39:47,701 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 [2019-01-31 14:39:47,702 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 [2019-01-31 14:39:47,703 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 [2019-01-31 14:39:47,704 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 [2019-01-31 14:39:47,705 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 [2019-01-31 14:39:47,706 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 [2019-01-31 14:39:47,707 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 [2019-01-31 14:39:47,708 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 [2019-01-31 14:39:47,709 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 [2019-01-31 14:39:47,709 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 [2019-01-31 14:39:47,710 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 [2019-01-31 14:39:47,711 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 [2019-01-31 14:39:47,712 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 [2019-01-31 14:39:47,713 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 [2019-01-31 14:39:47,714 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 [2019-01-31 14:39:47,715 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 [2019-01-31 14:39:47,716 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 [2019-01-31 14:39:47,717 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 [2019-01-31 14:39:47,718 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 [2019-01-31 14:39:47,719 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 [2019-01-31 14:39:47,720 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 [2019-01-31 14:39:47,720 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 [2019-01-31 14:39:47,721 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 [2019-01-31 14:39:47,722 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 [2019-01-31 14:39:47,723 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 [2019-01-31 14:39:47,724 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 [2019-01-31 14:39:47,725 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 [2019-01-31 14:39:47,726 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 [2019-01-31 14:39:47,727 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 [2019-01-31 14:39:47,728 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 [2019-01-31 14:39:47,729 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 [2019-01-31 14:39:47,730 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 [2019-01-31 14:39:47,730 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 [2019-01-31 14:39:47,731 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 [2019-01-31 14:39:47,732 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 [2019-01-31 14:39:47,733 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 [2019-01-31 14:39:47,734 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 [2019-01-31 14:39:47,735 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 [2019-01-31 14:39:47,736 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 [2019-01-31 14:39:47,737 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 [2019-01-31 14:39:47,738 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 [2019-01-31 14:39:47,739 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 [2019-01-31 14:39:47,740 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 [2019-01-31 14:39:47,741 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 [2019-01-31 14:39:47,741 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 [2019-01-31 14:39:47,742 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 [2019-01-31 14:39:47,743 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 [2019-01-31 14:39:47,744 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 [2019-01-31 14:39:47,745 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 [2019-01-31 14:39:47,746 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 [2019-01-31 14:39:47,747 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 [2019-01-31 14:39:47,748 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 [2019-01-31 14:39:47,749 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 [2019-01-31 14:39:47,750 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 [2019-01-31 14:39:47,751 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 [2019-01-31 14:39:47,751 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 [2019-01-31 14:39:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:39:47,776 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:39:47,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 36 [2019-01-31 14:39:47,776 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:39:47,777 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2019-01-31 14:39:47,777 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:39:47,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states. [2019-01-31 14:39:47,863 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:39:47,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-01-31 14:39:47,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-01-31 14:39:47,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2019-01-31 14:39:47,865 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 37 states. [2019-01-31 14:39:51,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:51,107 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-01-31 14:39:51,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-01-31 14:39:51,107 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2019-01-31 14:39:51,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:39:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-31 14:39:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2019-01-31 14:39:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-31 14:39:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2019-01-31 14:39:51,109 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states and 76 transitions. [2019-01-31 14:39:51,178 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:39:51,179 INFO L225 Difference]: With dead ends: 75 [2019-01-31 14:39:51,179 INFO L226 Difference]: Without dead ends: 73 [2019-01-31 14:39:51,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 107 SyntacticMatches, 68 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2244 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1890, Invalid=3080, Unknown=0, NotChecked=0, Total=4970 [2019-01-31 14:39:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-31 14:39:53,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-01-31 14:39:53,807 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:39:53,807 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2019-01-31 14:39:53,808 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2019-01-31 14:39:53,808 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2019-01-31 14:39:53,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:53,809 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2019-01-31 14:39:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-01-31 14:39:53,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:39:53,810 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:39:53,810 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2019-01-31 14:39:53,810 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2019-01-31 14:39:53,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:39:53,811 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2019-01-31 14:39:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-01-31 14:39:53,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:39:53,812 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:39:53,812 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:39:53,812 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:39:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-31 14:39:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2019-01-31 14:39:53,813 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 71 [2019-01-31 14:39:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:39:53,813 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2019-01-31 14:39:53,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-01-31 14:39:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-01-31 14:39:53,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-01-31 14:39:53,813 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:39:53,813 INFO L402 BasicCegarLoop]: trace histogram [34, 34, 1, 1, 1, 1] [2019-01-31 14:39:53,814 INFO L423 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:39:53,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:39:53,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1548924138, now seen corresponding path program 51 times [2019-01-31 14:39:53,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:39:53,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:39:53,815 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:39:53,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:39:53,815 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:39:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:39:56,814 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 [2019-01-31 14:39:56,815 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 [2019-01-31 14:39:56,816 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 [2019-01-31 14:39:56,817 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 [2019-01-31 14:39:56,818 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 [2019-01-31 14:39:56,819 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 [2019-01-31 14:39:56,820 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 [2019-01-31 14:39:56,821 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 [2019-01-31 14:39:56,822 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 [2019-01-31 14:39:56,823 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 [2019-01-31 14:39:56,824 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 [2019-01-31 14:39:56,825 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 [2019-01-31 14:39:56,826 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 [2019-01-31 14:39:56,827 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 [2019-01-31 14:39:56,828 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 [2019-01-31 14:39:56,829 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 [2019-01-31 14:39:56,830 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 [2019-01-31 14:39:56,831 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 [2019-01-31 14:39:56,832 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 [2019-01-31 14:39:56,833 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 [2019-01-31 14:39:56,834 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 [2019-01-31 14:39:56,835 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 [2019-01-31 14:39:56,836 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 [2019-01-31 14:39:56,837 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 [2019-01-31 14:39:56,838 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 [2019-01-31 14:39:56,839 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 [2019-01-31 14:39:56,840 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 [2019-01-31 14:39:56,841 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 [2019-01-31 14:39:56,842 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 [2019-01-31 14:39:56,843 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 [2019-01-31 14:39:56,844 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 [2019-01-31 14:39:56,845 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 [2019-01-31 14:39:56,846 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 [2019-01-31 14:39:56,847 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 [2019-01-31 14:39:56,849 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 [2019-01-31 14:39:56,850 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 [2019-01-31 14:39:56,851 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 [2019-01-31 14:39:56,852 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 [2019-01-31 14:39:56,853 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 [2019-01-31 14:39:56,854 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 [2019-01-31 14:39:56,855 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 [2019-01-31 14:39:56,856 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 [2019-01-31 14:39:56,857 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 [2019-01-31 14:39:56,858 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 [2019-01-31 14:39:56,859 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 [2019-01-31 14:39:56,860 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 [2019-01-31 14:39:56,861 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 [2019-01-31 14:39:56,862 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 [2019-01-31 14:39:56,863 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 [2019-01-31 14:39:56,864 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 [2019-01-31 14:39:56,865 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 [2019-01-31 14:39:56,866 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 [2019-01-31 14:39:56,867 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 [2019-01-31 14:39:56,868 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 [2019-01-31 14:39:56,869 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 [2019-01-31 14:39:56,870 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 [2019-01-31 14:39:56,871 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 [2019-01-31 14:39:56,872 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 [2019-01-31 14:39:56,873 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 [2019-01-31 14:39:56,874 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 [2019-01-31 14:39:56,875 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 [2019-01-31 14:39:56,876 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 [2019-01-31 14:39:56,877 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 [2019-01-31 14:39:56,878 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 [2019-01-31 14:39:56,879 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 [2019-01-31 14:39:56,880 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 [2019-01-31 14:39:56,881 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 [2019-01-31 14:39:56,882 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 [2019-01-31 14:39:56,883 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 [2019-01-31 14:39:56,884 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 [2019-01-31 14:39:56,885 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 [2019-01-31 14:39:56,885 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-01-31 14:39:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:39:56,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:39:56,894 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:39:56,895 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:39:56,895 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:39:56,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:39:56,895 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 [2019-01-31 14:39:56,909 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:39:56,909 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:39:56,958 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:39:56,958 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:39:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:39:57,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:40:00,395 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 [2019-01-31 14:40:00,397 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:40:00,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:40:00,405 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:40:00,408 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:40:00,408 WARN L398 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)) [2019-01-31 14:40:00,408 WARN L399 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))) [2019-01-31 14:40:00,522 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 [2019-01-31 14:40:00,522 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,523 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,524 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,525 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 [2019-01-31 14:40:00,526 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 [2019-01-31 14:40:00,526 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 [2019-01-31 14:40:00,526 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 [2019-01-31 14:40:00,526 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 [2019-01-31 14:40:00,526 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 [2019-01-31 14:40:00,527 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 [2019-01-31 14:40:00,528 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 [2019-01-31 14:40:00,528 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 [2019-01-31 14:40:00,529 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 [2019-01-31 14:40:00,530 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 [2019-01-31 14:40:00,531 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 [2019-01-31 14:40:00,533 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 [2019-01-31 14:40:00,534 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 [2019-01-31 14:40:00,535 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 [2019-01-31 14:40:00,536 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 [2019-01-31 14:40:00,537 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 [2019-01-31 14:40:00,538 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 [2019-01-31 14:40:00,539 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 [2019-01-31 14:40:00,540 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 [2019-01-31 14:40:00,541 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 [2019-01-31 14:40:00,542 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 [2019-01-31 14:40:00,543 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 [2019-01-31 14:40:00,544 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 [2019-01-31 14:40:00,545 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 [2019-01-31 14:40:00,546 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 [2019-01-31 14:40:00,548 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 [2019-01-31 14:40:00,549 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 [2019-01-31 14:40:00,550 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 [2019-01-31 14:40:00,551 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 [2019-01-31 14:40:00,552 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 [2019-01-31 14:40:00,553 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 [2019-01-31 14:40:00,554 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 [2019-01-31 14:40:00,555 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 [2019-01-31 14:40:00,556 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 [2019-01-31 14:40:00,557 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 [2019-01-31 14:40:00,558 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 [2019-01-31 14:40:00,559 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 [2019-01-31 14:40:00,560 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 [2019-01-31 14:40:00,562 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 [2019-01-31 14:40:00,563 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 [2019-01-31 14:40:00,563 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-01-31 14:40:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2019-01-31 14:40:00,572 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:40:00,710 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 [2019-01-31 14:40:00,712 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:40:00,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:40:00,724 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:40:04,662 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-01-31 14:40:04,663 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 [2019-01-31 14:40:04,664 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 [2019-01-31 14:40:04,666 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 [2019-01-31 14:40:04,667 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 [2019-01-31 14:40:04,668 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 [2019-01-31 14:40:04,669 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 [2019-01-31 14:40:04,670 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 [2019-01-31 14:40:04,671 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 [2019-01-31 14:40:04,672 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 [2019-01-31 14:40:04,673 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 [2019-01-31 14:40:04,674 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 [2019-01-31 14:40:04,675 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 [2019-01-31 14:40:04,676 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 [2019-01-31 14:40:04,677 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 [2019-01-31 14:40:04,679 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 [2019-01-31 14:40:04,680 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 [2019-01-31 14:40:04,681 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 [2019-01-31 14:40:04,682 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 [2019-01-31 14:40:04,683 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 [2019-01-31 14:40:04,684 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 [2019-01-31 14:40:04,685 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 [2019-01-31 14:40:04,686 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 [2019-01-31 14:40:04,687 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 [2019-01-31 14:40:04,688 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 [2019-01-31 14:40:04,689 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 [2019-01-31 14:40:04,691 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 [2019-01-31 14:40:04,692 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 [2019-01-31 14:40:04,693 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 [2019-01-31 14:40:04,694 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 [2019-01-31 14:40:04,695 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 [2019-01-31 14:40:04,696 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 [2019-01-31 14:40:04,697 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 [2019-01-31 14:40:04,698 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 [2019-01-31 14:40:04,699 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 [2019-01-31 14:40:04,700 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 [2019-01-31 14:40:04,701 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 [2019-01-31 14:40:04,702 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 [2019-01-31 14:40:04,702 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 [2019-01-31 14:40:04,702 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 [2019-01-31 14:40:04,702 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 [2019-01-31 14:40:04,702 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 [2019-01-31 14:40:04,702 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 [2019-01-31 14:40:04,703 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 [2019-01-31 14:40:04,703 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 [2019-01-31 14:40:04,703 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 [2019-01-31 14:40:04,703 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 [2019-01-31 14:40:04,703 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 [2019-01-31 14:40:04,703 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 [2019-01-31 14:40:04,704 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 [2019-01-31 14:40:04,704 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 [2019-01-31 14:40:04,704 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 [2019-01-31 14:40:04,704 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 [2019-01-31 14:40:04,704 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 [2019-01-31 14:40:04,704 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,705 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 [2019-01-31 14:40:04,706 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 [2019-01-31 14:40:04,706 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 [2019-01-31 14:40:04,706 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 [2019-01-31 14:40:04,706 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 [2019-01-31 14:40:04,706 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 [2019-01-31 14:40:04,706 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 [2019-01-31 14:40:04,706 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 [2019-01-31 14:40:04,707 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 [2019-01-31 14:40:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2019-01-31 14:40:04,734 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:40:04,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 37, 37] total 142 [2019-01-31 14:40:04,734 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:40:04,735 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2019-01-31 14:40:04,735 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:40:04,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states. [2019-01-31 14:40:04,841 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:40:04,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 107 states [2019-01-31 14:40:04,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2019-01-31 14:40:04,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2662, Invalid=17360, Unknown=0, NotChecked=0, Total=20022 [2019-01-31 14:40:04,843 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 107 states. [2019-01-31 14:40:32,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:40:32,084 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2019-01-31 14:40:32,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2019-01-31 14:40:32,085 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2019-01-31 14:40:32,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:40:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-31 14:40:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2019-01-31 14:40:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-31 14:40:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2019-01-31 14:40:32,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 117 transitions. [2019-01-31 14:40:32,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:40:32,230 INFO L225 Difference]: With dead ends: 113 [2019-01-31 14:40:32,230 INFO L226 Difference]: Without dead ends: 75 [2019-01-31 14:40:32,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2626 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=4225, Invalid=28355, Unknown=0, NotChecked=0, Total=32580 [2019-01-31 14:40:32,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-31 14:40:34,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-01-31 14:40:34,609 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:40:34,609 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2019-01-31 14:40:34,609 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2019-01-31 14:40:34,609 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2019-01-31 14:40:34,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:40:34,610 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-01-31 14:40:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-01-31 14:40:34,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:40:34,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:40:34,611 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2019-01-31 14:40:34,611 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2019-01-31 14:40:34,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:40:34,611 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-01-31 14:40:34,611 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-01-31 14:40:34,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:40:34,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:40:34,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:40:34,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:40:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-01-31 14:40:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2019-01-31 14:40:34,613 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 72 [2019-01-31 14:40:34,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:40:34,613 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2019-01-31 14:40:34,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 107 states. [2019-01-31 14:40:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-01-31 14:40:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-01-31 14:40:34,613 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:40:34,613 INFO L402 BasicCegarLoop]: trace histogram [35, 35, 1, 1, 1, 1] [2019-01-31 14:40:34,613 INFO L423 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:40:34,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:40:34,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1198231019, now seen corresponding path program 52 times [2019-01-31 14:40:34,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:40:34,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:40:34,614 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:40:34,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:40:34,615 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:40:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:40:38,090 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 [2019-01-31 14:40:38,091 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 [2019-01-31 14:40:38,092 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 [2019-01-31 14:40:38,093 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 [2019-01-31 14:40:38,094 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 [2019-01-31 14:40:38,095 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 [2019-01-31 14:40:38,096 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 [2019-01-31 14:40:38,097 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 [2019-01-31 14:40:38,098 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 [2019-01-31 14:40:38,099 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 [2019-01-31 14:40:38,100 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 [2019-01-31 14:40:38,101 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 [2019-01-31 14:40:38,102 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 [2019-01-31 14:40:38,103 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 [2019-01-31 14:40:38,104 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 [2019-01-31 14:40:38,105 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 [2019-01-31 14:40:38,106 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 [2019-01-31 14:40:38,107 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 [2019-01-31 14:40:38,108 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 [2019-01-31 14:40:38,109 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 [2019-01-31 14:40:38,110 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 [2019-01-31 14:40:38,111 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 [2019-01-31 14:40:38,112 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 [2019-01-31 14:40:38,113 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 [2019-01-31 14:40:38,114 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 [2019-01-31 14:40:38,115 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 [2019-01-31 14:40:38,116 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 [2019-01-31 14:40:38,117 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 [2019-01-31 14:40:38,118 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 [2019-01-31 14:40:38,119 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 [2019-01-31 14:40:38,120 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 [2019-01-31 14:40:38,121 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 [2019-01-31 14:40:38,122 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 [2019-01-31 14:40:38,123 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 [2019-01-31 14:40:38,124 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 [2019-01-31 14:40:38,125 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 [2019-01-31 14:40:38,126 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 [2019-01-31 14:40:38,127 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 [2019-01-31 14:40:38,128 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 [2019-01-31 14:40:38,129 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 [2019-01-31 14:40:38,130 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 [2019-01-31 14:40:38,131 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 [2019-01-31 14:40:38,132 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 [2019-01-31 14:40:38,134 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 [2019-01-31 14:40:38,135 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 [2019-01-31 14:40:38,136 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 [2019-01-31 14:40:38,137 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 [2019-01-31 14:40:38,138 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 [2019-01-31 14:40:38,139 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 [2019-01-31 14:40:38,140 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 [2019-01-31 14:40:38,141 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 [2019-01-31 14:40:38,142 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 [2019-01-31 14:40:38,143 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 [2019-01-31 14:40:38,144 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 [2019-01-31 14:40:38,145 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 [2019-01-31 14:40:38,146 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 [2019-01-31 14:40:38,147 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 [2019-01-31 14:40:38,148 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 [2019-01-31 14:40:38,149 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 [2019-01-31 14:40:38,150 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 [2019-01-31 14:40:38,151 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 [2019-01-31 14:40:38,152 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 [2019-01-31 14:40:38,153 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 [2019-01-31 14:40:38,154 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 [2019-01-31 14:40:38,155 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 [2019-01-31 14:40:38,156 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 [2019-01-31 14:40:38,157 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 [2019-01-31 14:40:38,158 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 [2019-01-31 14:40:38,159 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 [2019-01-31 14:40:38,160 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 [2019-01-31 14:40:38,161 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 [2019-01-31 14:40:38,162 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 [2019-01-31 14:40:38,163 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 [2019-01-31 14:40:38,163 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-01-31 14:40:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:40:38,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:40:38,173 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:40:38,173 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:40:38,173 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:40:38,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:40:38,173 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 [2019-01-31 14:40:38,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:40:38,182 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:40:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:40:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:40:38,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:40:41,784 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 [2019-01-31 14:40:41,786 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:40:41,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:40:41,793 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:40:41,795 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:40:41,796 WARN L398 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)) [2019-01-31 14:40:41,796 WARN L399 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)) [2019-01-31 14:40:41,897 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 [2019-01-31 14:40:41,898 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 [2019-01-31 14:40:41,899 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 [2019-01-31 14:40:41,900 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 [2019-01-31 14:40:41,901 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 [2019-01-31 14:40:41,902 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 [2019-01-31 14:40:41,903 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 [2019-01-31 14:40:41,904 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 [2019-01-31 14:40:41,905 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 [2019-01-31 14:40:41,906 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 [2019-01-31 14:40:41,907 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 [2019-01-31 14:40:41,908 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 [2019-01-31 14:40:41,909 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 [2019-01-31 14:40:41,910 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 [2019-01-31 14:40:41,911 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 [2019-01-31 14:40:41,912 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 [2019-01-31 14:40:41,913 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 [2019-01-31 14:40:41,914 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 [2019-01-31 14:40:41,915 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 [2019-01-31 14:40:41,916 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 [2019-01-31 14:40:41,917 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 [2019-01-31 14:40:41,918 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 [2019-01-31 14:40:41,919 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 [2019-01-31 14:40:41,920 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 [2019-01-31 14:40:41,921 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 [2019-01-31 14:40:41,922 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 [2019-01-31 14:40:41,923 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 [2019-01-31 14:40:41,924 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 [2019-01-31 14:40:41,925 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 [2019-01-31 14:40:41,926 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 [2019-01-31 14:40:41,927 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 [2019-01-31 14:40:41,928 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 [2019-01-31 14:40:41,929 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 [2019-01-31 14:40:41,930 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 [2019-01-31 14:40:41,933 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 [2019-01-31 14:40:41,934 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 [2019-01-31 14:40:41,934 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 [2019-01-31 14:40:41,935 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 [2019-01-31 14:40:41,935 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 [2019-01-31 14:40:41,936 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 [2019-01-31 14:40:41,937 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 [2019-01-31 14:40:41,938 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 [2019-01-31 14:40:41,939 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 [2019-01-31 14:40:41,939 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 [2019-01-31 14:40:41,940 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 [2019-01-31 14:40:41,941 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 [2019-01-31 14:40:41,942 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 [2019-01-31 14:40:41,943 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 [2019-01-31 14:40:41,944 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 [2019-01-31 14:40:41,945 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 [2019-01-31 14:40:41,945 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 [2019-01-31 14:40:41,946 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 [2019-01-31 14:40:41,947 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 [2019-01-31 14:40:41,948 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 [2019-01-31 14:40:41,949 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 [2019-01-31 14:40:41,950 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 [2019-01-31 14:40:41,950 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 [2019-01-31 14:40:41,951 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 [2019-01-31 14:40:41,952 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 [2019-01-31 14:40:41,954 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 [2019-01-31 14:40:41,955 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 [2019-01-31 14:40:41,955 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 [2019-01-31 14:40:41,956 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 [2019-01-31 14:40:41,957 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 [2019-01-31 14:40:41,957 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 [2019-01-31 14:40:41,958 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 [2019-01-31 14:40:41,959 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 [2019-01-31 14:40:41,960 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 [2019-01-31 14:40:41,961 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 [2019-01-31 14:40:41,962 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 [2019-01-31 14:40:41,962 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 [2019-01-31 14:40:41,964 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 [2019-01-31 14:40:41,965 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 [2019-01-31 14:40:41,965 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-01-31 14:40:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:40:41,976 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:40:42,008 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 [2019-01-31 14:40:42,010 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:40:42,012 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:40:42,012 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:40:42,015 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:40:42,015 WARN L398 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))))) [2019-01-31 14:40:42,015 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:40:43,398 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-01-31 14:40:43,399 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 [2019-01-31 14:40:43,400 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 [2019-01-31 14:40:43,400 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 [2019-01-31 14:40:43,401 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 [2019-01-31 14:40:43,402 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 [2019-01-31 14:40:43,403 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 [2019-01-31 14:40:43,404 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 [2019-01-31 14:40:43,405 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 [2019-01-31 14:40:43,406 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 [2019-01-31 14:40:43,407 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 [2019-01-31 14:40:43,408 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 [2019-01-31 14:40:43,409 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 [2019-01-31 14:40:43,410 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 [2019-01-31 14:40:43,411 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 [2019-01-31 14:40:43,412 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 [2019-01-31 14:40:43,413 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 [2019-01-31 14:40:43,414 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 [2019-01-31 14:40:43,415 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 [2019-01-31 14:40:43,416 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 [2019-01-31 14:40:43,417 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 [2019-01-31 14:40:43,418 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 [2019-01-31 14:40:43,419 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 [2019-01-31 14:40:43,420 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 [2019-01-31 14:40:43,421 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 [2019-01-31 14:40:43,422 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 [2019-01-31 14:40:43,423 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 [2019-01-31 14:40:43,424 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 [2019-01-31 14:40:43,425 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 [2019-01-31 14:40:43,426 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 [2019-01-31 14:40:43,427 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 [2019-01-31 14:40:43,428 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 [2019-01-31 14:40:43,429 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 [2019-01-31 14:40:43,430 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 [2019-01-31 14:40:43,431 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 [2019-01-31 14:40:43,432 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 [2019-01-31 14:40:43,433 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 [2019-01-31 14:40:43,434 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 [2019-01-31 14:40:43,435 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 [2019-01-31 14:40:43,436 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 [2019-01-31 14:40:43,437 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 [2019-01-31 14:40:43,438 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 [2019-01-31 14:40:43,439 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 [2019-01-31 14:40:43,440 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 [2019-01-31 14:40:43,441 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 [2019-01-31 14:40:43,442 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 [2019-01-31 14:40:43,443 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 [2019-01-31 14:40:43,444 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 [2019-01-31 14:40:43,445 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 [2019-01-31 14:40:43,446 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 [2019-01-31 14:40:43,447 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 [2019-01-31 14:40:43,448 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 [2019-01-31 14:40:43,449 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 [2019-01-31 14:40:43,450 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 [2019-01-31 14:40:43,451 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 [2019-01-31 14:40:43,452 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 [2019-01-31 14:40:43,453 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 [2019-01-31 14:40:43,454 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 [2019-01-31 14:40:43,455 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 [2019-01-31 14:40:43,456 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 [2019-01-31 14:40:43,457 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 [2019-01-31 14:40:43,458 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 [2019-01-31 14:40:43,459 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 [2019-01-31 14:40:43,460 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 [2019-01-31 14:40:43,461 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 [2019-01-31 14:40:43,462 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 [2019-01-31 14:40:43,463 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 [2019-01-31 14:40:43,464 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 [2019-01-31 14:40:43,465 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 [2019-01-31 14:40:43,466 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 [2019-01-31 14:40:43,467 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 [2019-01-31 14:40:43,468 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 [2019-01-31 14:40:43,469 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 [2019-01-31 14:40:43,469 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 [2019-01-31 14:40:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:40:43,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:40:43,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73, 73] total 111 [2019-01-31 14:40:43,497 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:40:43,498 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2019-01-31 14:40:43,498 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:40:43,498 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 112 states. [2019-01-31 14:40:43,608 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:40:43,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 112 states [2019-01-31 14:40:43,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2019-01-31 14:40:43,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=12101, Unknown=0, NotChecked=0, Total=12432 [2019-01-31 14:40:43,609 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 112 states. [2019-01-31 14:41:06,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:41:06,513 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2019-01-31 14:41:06,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-01-31 14:41:06,513 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2019-01-31 14:41:06,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:41:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-01-31 14:41:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2019-01-31 14:41:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-01-31 14:41:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2019-01-31 14:41:06,516 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 82 transitions. [2019-01-31 14:41:06,614 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:41:06,616 INFO L225 Difference]: With dead ends: 114 [2019-01-31 14:41:06,616 INFO L226 Difference]: Without dead ends: 76 [2019-01-31 14:41:06,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 83 SyntacticMatches, 26 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3645 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=700, Invalid=21650, Unknown=0, NotChecked=0, Total=22350 [2019-01-31 14:41:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-31 14:41:08,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-01-31 14:41:08,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:41:08,985 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 76 states. [2019-01-31 14:41:08,985 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2019-01-31 14:41:08,985 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2019-01-31 14:41:08,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:41:08,986 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2019-01-31 14:41:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-01-31 14:41:08,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:41:08,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:41:08,987 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2019-01-31 14:41:08,987 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2019-01-31 14:41:08,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:41:08,988 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2019-01-31 14:41:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-01-31 14:41:08,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:41:08,988 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:41:08,989 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:41:08,989 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:41:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-31 14:41:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2019-01-31 14:41:08,989 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 74 [2019-01-31 14:41:08,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:41:08,990 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2019-01-31 14:41:08,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 112 states. [2019-01-31 14:41:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-01-31 14:41:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-01-31 14:41:08,990 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:41:08,990 INFO L402 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1, 1] [2019-01-31 14:41:08,990 INFO L423 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:41:08,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:41:08,991 INFO L82 PathProgramCache]: Analyzing trace with hash -2146155380, now seen corresponding path program 53 times [2019-01-31 14:41:08,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:41:08,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:41:08,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:41:08,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:41:08,992 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:41:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:41:10,522 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 [2019-01-31 14:41:10,523 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 [2019-01-31 14:41:10,524 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 [2019-01-31 14:41:10,525 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 [2019-01-31 14:41:10,526 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 [2019-01-31 14:41:10,527 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 [2019-01-31 14:41:10,528 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 [2019-01-31 14:41:10,529 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 [2019-01-31 14:41:10,530 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 [2019-01-31 14:41:10,531 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 [2019-01-31 14:41:10,532 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 [2019-01-31 14:41:10,533 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 [2019-01-31 14:41:10,534 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 [2019-01-31 14:41:10,534 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 [2019-01-31 14:41:10,535 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 [2019-01-31 14:41:10,536 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 [2019-01-31 14:41:10,537 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 [2019-01-31 14:41:10,538 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 [2019-01-31 14:41:10,539 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 [2019-01-31 14:41:10,540 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 [2019-01-31 14:41:10,541 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 [2019-01-31 14:41:10,542 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 [2019-01-31 14:41:10,543 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 [2019-01-31 14:41:10,544 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 [2019-01-31 14:41:10,545 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 [2019-01-31 14:41:10,545 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 [2019-01-31 14:41:10,546 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 [2019-01-31 14:41:10,547 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 [2019-01-31 14:41:10,548 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 [2019-01-31 14:41:10,549 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 [2019-01-31 14:41:10,550 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 [2019-01-31 14:41:10,551 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 [2019-01-31 14:41:10,552 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 [2019-01-31 14:41:10,553 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 [2019-01-31 14:41:10,554 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 [2019-01-31 14:41:10,555 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 [2019-01-31 14:41:10,556 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 [2019-01-31 14:41:10,557 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 [2019-01-31 14:41:10,557 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 [2019-01-31 14:41:10,558 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 [2019-01-31 14:41:10,559 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 [2019-01-31 14:41:10,560 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 [2019-01-31 14:41:10,561 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 [2019-01-31 14:41:10,562 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 [2019-01-31 14:41:10,563 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 [2019-01-31 14:41:10,564 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 [2019-01-31 14:41:10,565 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 [2019-01-31 14:41:10,566 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 [2019-01-31 14:41:10,567 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 [2019-01-31 14:41:10,567 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 [2019-01-31 14:41:10,568 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 [2019-01-31 14:41:10,569 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 [2019-01-31 14:41:10,570 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 [2019-01-31 14:41:10,571 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 [2019-01-31 14:41:10,572 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 [2019-01-31 14:41:10,573 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 [2019-01-31 14:41:10,574 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 [2019-01-31 14:41:10,575 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 [2019-01-31 14:41:10,576 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 [2019-01-31 14:41:10,577 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 [2019-01-31 14:41:10,578 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 [2019-01-31 14:41:10,578 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 [2019-01-31 14:41:10,579 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 [2019-01-31 14:41:10,580 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 [2019-01-31 14:41:10,581 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 [2019-01-31 14:41:10,582 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 [2019-01-31 14:41:10,583 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 [2019-01-31 14:41:10,584 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 [2019-01-31 14:41:10,585 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 [2019-01-31 14:41:10,586 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 [2019-01-31 14:41:10,587 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 [2019-01-31 14:41:10,588 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 [2019-01-31 14:41:10,588 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 [2019-01-31 14:41:10,589 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 [2019-01-31 14:41:10,589 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-01-31 14:41:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:41:10,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:41:10,595 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:41:10,595 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:41:10,595 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:41:10,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:41:10,595 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 [2019-01-31 14:41:10,603 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:41:10,604 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:41:10,811 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2019-01-31 14:41:10,812 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:41:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:41:10,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:41:11,196 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 [2019-01-31 14:41:11,197 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 [2019-01-31 14:41:11,198 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 [2019-01-31 14:41:11,199 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 [2019-01-31 14:41:11,200 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 [2019-01-31 14:41:11,201 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 [2019-01-31 14:41:11,202 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 [2019-01-31 14:41:11,203 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 [2019-01-31 14:41:11,203 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 [2019-01-31 14:41:11,204 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 [2019-01-31 14:41:11,205 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 [2019-01-31 14:41:11,206 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 [2019-01-31 14:41:11,207 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 [2019-01-31 14:41:11,208 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 [2019-01-31 14:41:11,209 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 [2019-01-31 14:41:11,210 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 [2019-01-31 14:41:11,211 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 [2019-01-31 14:41:11,211 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 [2019-01-31 14:41:11,212 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 [2019-01-31 14:41:11,213 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 [2019-01-31 14:41:11,214 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 [2019-01-31 14:41:11,215 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 [2019-01-31 14:41:11,216 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 [2019-01-31 14:41:11,217 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 [2019-01-31 14:41:11,218 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 [2019-01-31 14:41:11,218 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 [2019-01-31 14:41:11,219 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 [2019-01-31 14:41:11,220 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 [2019-01-31 14:41:11,221 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 [2019-01-31 14:41:11,222 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 [2019-01-31 14:41:11,223 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 [2019-01-31 14:41:11,224 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 [2019-01-31 14:41:11,225 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 [2019-01-31 14:41:11,226 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 [2019-01-31 14:41:11,227 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 [2019-01-31 14:41:11,228 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 [2019-01-31 14:41:11,228 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 [2019-01-31 14:41:11,229 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 [2019-01-31 14:41:11,230 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 [2019-01-31 14:41:11,231 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 [2019-01-31 14:41:11,232 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 [2019-01-31 14:41:11,233 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 [2019-01-31 14:41:11,234 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 [2019-01-31 14:41:11,235 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 [2019-01-31 14:41:11,236 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 [2019-01-31 14:41:11,237 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 [2019-01-31 14:41:11,238 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 [2019-01-31 14:41:11,239 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 [2019-01-31 14:41:11,239 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 [2019-01-31 14:41:11,240 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 [2019-01-31 14:41:11,241 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 [2019-01-31 14:41:11,242 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 [2019-01-31 14:41:11,243 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 [2019-01-31 14:41:11,244 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 [2019-01-31 14:41:11,245 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 [2019-01-31 14:41:11,245 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 [2019-01-31 14:41:11,246 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 [2019-01-31 14:41:11,247 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 [2019-01-31 14:41:11,248 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 [2019-01-31 14:41:11,249 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 [2019-01-31 14:41:11,250 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 [2019-01-31 14:41:11,251 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 [2019-01-31 14:41:11,252 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 [2019-01-31 14:41:11,253 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 [2019-01-31 14:41:11,253 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 [2019-01-31 14:41:11,254 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 [2019-01-31 14:41:11,255 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 [2019-01-31 14:41:11,256 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 [2019-01-31 14:41:11,257 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 [2019-01-31 14:41:11,258 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 [2019-01-31 14:41:11,258 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 [2019-01-31 14:41:11,259 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 [2019-01-31 14:41:11,260 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 [2019-01-31 14:41:11,261 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 [2019-01-31 14:41:11,261 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-01-31 14:41:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:41:11,267 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:41:12,704 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-01-31 14:41:12,704 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 [2019-01-31 14:41:12,705 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 [2019-01-31 14:41:12,706 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 [2019-01-31 14:41:12,707 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 [2019-01-31 14:41:12,708 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 [2019-01-31 14:41:12,709 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 [2019-01-31 14:41:12,713 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 [2019-01-31 14:41:12,714 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 [2019-01-31 14:41:12,715 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 [2019-01-31 14:41:12,715 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 [2019-01-31 14:41:12,720 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 [2019-01-31 14:41:12,720 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 [2019-01-31 14:41:12,722 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 [2019-01-31 14:41:12,722 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 [2019-01-31 14:41:12,724 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 [2019-01-31 14:41:12,724 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 [2019-01-31 14:41:12,726 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 [2019-01-31 14:41:12,727 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 [2019-01-31 14:41:12,728 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 [2019-01-31 14:41:12,728 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 [2019-01-31 14:41:12,730 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 [2019-01-31 14:41:12,731 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 [2019-01-31 14:41:12,732 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 [2019-01-31 14:41:12,732 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 [2019-01-31 14:41:12,737 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 [2019-01-31 14:41:12,737 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 [2019-01-31 14:41:12,739 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 [2019-01-31 14:41:12,739 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 [2019-01-31 14:41:12,740 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 [2019-01-31 14:41:12,741 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 [2019-01-31 14:41:12,742 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 [2019-01-31 14:41:12,743 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 [2019-01-31 14:41:12,744 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 [2019-01-31 14:41:12,744 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 [2019-01-31 14:41:12,748 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 [2019-01-31 14:41:12,749 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 [2019-01-31 14:41:12,750 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 [2019-01-31 14:41:12,750 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 [2019-01-31 14:41:12,751 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 [2019-01-31 14:41:12,751 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 [2019-01-31 14:41:12,752 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 [2019-01-31 14:41:12,753 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 [2019-01-31 14:41:12,754 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 [2019-01-31 14:41:12,754 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 [2019-01-31 14:41:12,755 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 [2019-01-31 14:41:12,756 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 [2019-01-31 14:41:12,757 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 [2019-01-31 14:41:12,758 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 [2019-01-31 14:41:12,759 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 [2019-01-31 14:41:12,760 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 [2019-01-31 14:41:12,760 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 [2019-01-31 14:41:12,761 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 [2019-01-31 14:41:12,762 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 [2019-01-31 14:41:12,763 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 [2019-01-31 14:41:12,764 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 [2019-01-31 14:41:12,765 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 [2019-01-31 14:41:12,765 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 [2019-01-31 14:41:12,766 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 [2019-01-31 14:41:12,767 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 [2019-01-31 14:41:12,768 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 [2019-01-31 14:41:12,769 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 [2019-01-31 14:41:12,770 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 [2019-01-31 14:41:12,771 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 [2019-01-31 14:41:12,771 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 [2019-01-31 14:41:12,772 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 [2019-01-31 14:41:12,773 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 [2019-01-31 14:41:12,774 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 [2019-01-31 14:41:12,775 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 [2019-01-31 14:41:12,776 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 [2019-01-31 14:41:12,777 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 [2019-01-31 14:41:12,778 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 [2019-01-31 14:41:12,779 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 [2019-01-31 14:41:12,779 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 [2019-01-31 14:41:12,780 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 [2019-01-31 14:41:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:41:12,806 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:41:12,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 38 [2019-01-31 14:41:12,807 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:41:12,807 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2019-01-31 14:41:12,807 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:41:12,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states. [2019-01-31 14:41:12,894 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:41:12,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-01-31 14:41:12,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-01-31 14:41:12,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2019-01-31 14:41:12,895 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 39 states. [2019-01-31 14:41:16,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:41:16,380 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-01-31 14:41:16,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2019-01-31 14:41:16,381 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2019-01-31 14:41:16,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:41:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-31 14:41:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-01-31 14:41:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-31 14:41:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-01-31 14:41:16,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 75 states and 80 transitions. [2019-01-31 14:41:16,457 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:41:16,459 INFO L225 Difference]: With dead ends: 79 [2019-01-31 14:41:16,459 INFO L226 Difference]: Without dead ends: 77 [2019-01-31 14:41:16,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 113 SyntacticMatches, 72 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2520 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2109, Invalid=3441, Unknown=0, NotChecked=0, Total=5550 [2019-01-31 14:41:16,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-01-31 14:41:19,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-01-31 14:41:19,428 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:41:19,428 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand 77 states. [2019-01-31 14:41:19,429 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2019-01-31 14:41:19,429 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2019-01-31 14:41:19,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:41:19,430 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2019-01-31 14:41:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-01-31 14:41:19,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:41:19,431 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:41:19,431 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2019-01-31 14:41:19,431 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2019-01-31 14:41:19,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:41:19,432 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2019-01-31 14:41:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-01-31 14:41:19,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:41:19,432 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:41:19,433 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:41:19,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:41:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-31 14:41:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2019-01-31 14:41:19,434 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 75 [2019-01-31 14:41:19,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:41:19,434 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2019-01-31 14:41:19,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-01-31 14:41:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-01-31 14:41:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-01-31 14:41:19,435 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:41:19,435 INFO L402 BasicCegarLoop]: trace histogram [36, 36, 1, 1, 1, 1] [2019-01-31 14:41:19,435 INFO L423 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:41:19,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:41:19,435 INFO L82 PathProgramCache]: Analyzing trace with hash -2106305526, now seen corresponding path program 54 times [2019-01-31 14:41:19,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:41:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:41:19,436 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:41:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:41:19,436 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:41:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:41:23,411 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 [2019-01-31 14:41:23,412 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 [2019-01-31 14:41:23,414 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 [2019-01-31 14:41:23,415 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 [2019-01-31 14:41:23,416 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 [2019-01-31 14:41:23,417 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 [2019-01-31 14:41:23,418 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 [2019-01-31 14:41:23,419 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 [2019-01-31 14:41:23,420 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 [2019-01-31 14:41:23,421 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 [2019-01-31 14:41:23,422 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 [2019-01-31 14:41:23,422 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 [2019-01-31 14:41:23,423 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 [2019-01-31 14:41:23,424 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 [2019-01-31 14:41:23,425 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 [2019-01-31 14:41:23,426 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 [2019-01-31 14:41:23,427 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 [2019-01-31 14:41:23,428 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 [2019-01-31 14:41:23,429 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 [2019-01-31 14:41:23,430 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 [2019-01-31 14:41:23,431 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 [2019-01-31 14:41:23,432 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 [2019-01-31 14:41:23,433 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 [2019-01-31 14:41:23,434 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 [2019-01-31 14:41:23,435 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 [2019-01-31 14:41:23,436 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 [2019-01-31 14:41:23,437 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 [2019-01-31 14:41:23,438 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 [2019-01-31 14:41:23,439 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 [2019-01-31 14:41:23,440 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 [2019-01-31 14:41:23,441 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 [2019-01-31 14:41:23,442 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 [2019-01-31 14:41:23,443 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 [2019-01-31 14:41:23,444 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 [2019-01-31 14:41:23,445 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 [2019-01-31 14:41:23,447 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 [2019-01-31 14:41:23,448 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 [2019-01-31 14:41:23,449 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 [2019-01-31 14:41:23,450 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 [2019-01-31 14:41:23,451 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 [2019-01-31 14:41:23,452 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 [2019-01-31 14:41:23,453 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 [2019-01-31 14:41:23,454 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 [2019-01-31 14:41:23,455 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 [2019-01-31 14:41:23,456 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 [2019-01-31 14:41:23,457 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 [2019-01-31 14:41:23,458 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 [2019-01-31 14:41:23,459 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 [2019-01-31 14:41:23,460 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 [2019-01-31 14:41:23,461 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 [2019-01-31 14:41:23,462 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 [2019-01-31 14:41:23,463 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 [2019-01-31 14:41:23,464 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 [2019-01-31 14:41:23,465 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 [2019-01-31 14:41:23,466 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 [2019-01-31 14:41:23,467 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 [2019-01-31 14:41:23,468 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 [2019-01-31 14:41:23,469 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 [2019-01-31 14:41:23,470 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 [2019-01-31 14:41:23,471 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 [2019-01-31 14:41:23,472 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 [2019-01-31 14:41:23,473 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 [2019-01-31 14:41:23,474 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 [2019-01-31 14:41:23,475 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 [2019-01-31 14:41:23,476 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 [2019-01-31 14:41:23,477 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 [2019-01-31 14:41:23,478 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 [2019-01-31 14:41:23,479 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 [2019-01-31 14:41:23,480 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 [2019-01-31 14:41:23,481 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 [2019-01-31 14:41:23,482 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 [2019-01-31 14:41:23,483 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 [2019-01-31 14:41:23,484 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 [2019-01-31 14:41:23,485 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 [2019-01-31 14:41:23,486 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 [2019-01-31 14:41:23,486 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-01-31 14:41:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:41:23,496 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:41:23,496 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:41:23,496 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:41:23,496 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:41:23,496 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:41:23,496 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 [2019-01-31 14:41:23,505 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:41:23,505 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:41:23,549 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:41:23,549 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:41:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:41:23,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:41:27,423 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 [2019-01-31 14:41:27,424 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:41:27,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:41:27,430 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:41:27,432 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:41:27,433 WARN L398 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)) [2019-01-31 14:41:27,433 WARN L399 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))) [2019-01-31 14:41:27,546 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 [2019-01-31 14:41:27,546 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 [2019-01-31 14:41:27,546 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 [2019-01-31 14:41:27,546 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 [2019-01-31 14:41:27,546 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 [2019-01-31 14:41:27,547 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 [2019-01-31 14:41:27,547 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 [2019-01-31 14:41:27,547 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 [2019-01-31 14:41:27,547 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 [2019-01-31 14:41:27,547 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 [2019-01-31 14:41:27,547 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,548 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,549 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 [2019-01-31 14:41:27,550 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 [2019-01-31 14:41:27,550 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 [2019-01-31 14:41:27,550 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 [2019-01-31 14:41:27,550 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 [2019-01-31 14:41:27,550 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 [2019-01-31 14:41:27,550 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 [2019-01-31 14:41:27,550 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 [2019-01-31 14:41:27,551 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 [2019-01-31 14:41:27,551 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 [2019-01-31 14:41:27,552 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 [2019-01-31 14:41:27,553 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 [2019-01-31 14:41:27,553 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 [2019-01-31 14:41:27,554 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 [2019-01-31 14:41:27,555 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 [2019-01-31 14:41:27,556 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 [2019-01-31 14:41:27,557 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 [2019-01-31 14:41:27,558 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 [2019-01-31 14:41:27,559 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 [2019-01-31 14:41:27,560 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 [2019-01-31 14:41:27,561 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 [2019-01-31 14:41:27,562 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 [2019-01-31 14:41:27,563 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 [2019-01-31 14:41:27,564 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 [2019-01-31 14:41:27,566 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 [2019-01-31 14:41:27,567 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 [2019-01-31 14:41:27,568 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 [2019-01-31 14:41:27,569 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 [2019-01-31 14:41:27,570 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 [2019-01-31 14:41:27,571 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 [2019-01-31 14:41:27,572 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 [2019-01-31 14:41:27,573 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 [2019-01-31 14:41:27,574 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 [2019-01-31 14:41:27,575 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 [2019-01-31 14:41:27,576 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 [2019-01-31 14:41:27,577 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 [2019-01-31 14:41:27,578 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 [2019-01-31 14:41:27,579 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 [2019-01-31 14:41:27,580 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 [2019-01-31 14:41:27,581 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 [2019-01-31 14:41:27,582 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 [2019-01-31 14:41:27,583 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 [2019-01-31 14:41:27,585 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 [2019-01-31 14:41:27,586 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 [2019-01-31 14:41:27,587 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 [2019-01-31 14:41:27,588 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 [2019-01-31 14:41:27,588 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-01-31 14:41:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2019-01-31 14:41:27,596 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:41:27,740 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 [2019-01-31 14:41:27,742 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:41:27,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:41:27,753 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:41:32,187 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-01-31 14:41:32,189 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 [2019-01-31 14:41:32,190 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 [2019-01-31 14:41:32,191 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 [2019-01-31 14:41:32,192 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 [2019-01-31 14:41:32,193 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 [2019-01-31 14:41:32,194 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 [2019-01-31 14:41:32,195 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 [2019-01-31 14:41:32,196 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 [2019-01-31 14:41:32,198 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 [2019-01-31 14:41:32,199 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 [2019-01-31 14:41:32,200 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 [2019-01-31 14:41:32,201 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 [2019-01-31 14:41:32,202 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 [2019-01-31 14:41:32,203 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 [2019-01-31 14:41:32,204 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 [2019-01-31 14:41:32,205 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 [2019-01-31 14:41:32,206 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 [2019-01-31 14:41:32,207 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 [2019-01-31 14:41:32,208 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 [2019-01-31 14:41:32,210 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 [2019-01-31 14:41:32,211 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 [2019-01-31 14:41:32,212 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 [2019-01-31 14:41:32,213 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 [2019-01-31 14:41:32,214 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 [2019-01-31 14:41:32,215 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 [2019-01-31 14:41:32,216 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 [2019-01-31 14:41:32,217 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 [2019-01-31 14:41:32,218 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 [2019-01-31 14:41:32,220 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 [2019-01-31 14:41:32,221 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 [2019-01-31 14:41:32,222 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 [2019-01-31 14:41:32,223 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 [2019-01-31 14:41:32,224 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 [2019-01-31 14:41:32,225 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 [2019-01-31 14:41:32,226 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 [2019-01-31 14:41:32,227 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 [2019-01-31 14:41:32,228 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 [2019-01-31 14:41:32,229 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 [2019-01-31 14:41:32,229 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 [2019-01-31 14:41:32,230 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 [2019-01-31 14:41:32,230 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 [2019-01-31 14:41:32,230 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 [2019-01-31 14:41:32,230 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 [2019-01-31 14:41:32,230 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 [2019-01-31 14:41:32,230 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 [2019-01-31 14:41:32,231 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 [2019-01-31 14:41:32,231 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 [2019-01-31 14:41:32,231 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 [2019-01-31 14:41:32,231 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 [2019-01-31 14:41:32,231 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 [2019-01-31 14:41:32,231 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,232 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,233 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 [2019-01-31 14:41:32,234 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 [2019-01-31 14:41:32,234 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 [2019-01-31 14:41:32,234 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 [2019-01-31 14:41:32,234 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 [2019-01-31 14:41:32,234 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 [2019-01-31 14:41:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2019-01-31 14:41:32,260 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:41:32,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 39, 39] total 150 [2019-01-31 14:41:32,260 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:41:32,261 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2019-01-31 14:41:32,261 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:41:32,261 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 113 states. [2019-01-31 14:41:32,370 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:41:32,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 113 states [2019-01-31 14:41:32,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2019-01-31 14:41:32,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2962, Invalid=19388, Unknown=0, NotChecked=0, Total=22350 [2019-01-31 14:41:32,372 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 113 states. [2019-01-31 14:42:02,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:42:02,420 INFO L93 Difference]: Finished difference Result 119 states and 123 transitions. [2019-01-31 14:42:02,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2019-01-31 14:42:02,420 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2019-01-31 14:42:02,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:42:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-01-31 14:42:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2019-01-31 14:42:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-01-31 14:42:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2019-01-31 14:42:02,423 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 116 states and 123 transitions. [2019-01-31 14:42:02,564 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:42:02,565 INFO L225 Difference]: With dead ends: 119 [2019-01-31 14:42:02,565 INFO L226 Difference]: Without dead ends: 79 [2019-01-31 14:42:02,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2924 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=4687, Invalid=31603, Unknown=0, NotChecked=0, Total=36290 [2019-01-31 14:42:02,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-01-31 14:42:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-01-31 14:42:05,086 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:42:05,086 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 79 states. [2019-01-31 14:42:05,087 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2019-01-31 14:42:05,087 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2019-01-31 14:42:05,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:42:05,088 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-01-31 14:42:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-01-31 14:42:05,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:42:05,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:42:05,089 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2019-01-31 14:42:05,089 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2019-01-31 14:42:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:42:05,090 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-01-31 14:42:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-01-31 14:42:05,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:42:05,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:42:05,091 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:42:05,091 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:42:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-31 14:42:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2019-01-31 14:42:05,092 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 76 [2019-01-31 14:42:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:42:05,092 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2019-01-31 14:42:05,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 113 states. [2019-01-31 14:42:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-01-31 14:42:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-01-31 14:42:05,092 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:42:05,092 INFO L402 BasicCegarLoop]: trace histogram [37, 37, 1, 1, 1, 1] [2019-01-31 14:42:05,093 INFO L423 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:42:05,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:42:05,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1075627403, now seen corresponding path program 55 times [2019-01-31 14:42:05,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:42:05,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:42:05,093 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:42:05,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:42:05,094 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:42:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:42:08,810 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 [2019-01-31 14:42:08,812 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 [2019-01-31 14:42:08,813 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 [2019-01-31 14:42:08,813 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 [2019-01-31 14:42:08,814 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 [2019-01-31 14:42:08,816 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 [2019-01-31 14:42:08,817 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 [2019-01-31 14:42:08,818 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 [2019-01-31 14:42:08,819 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 [2019-01-31 14:42:08,819 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 [2019-01-31 14:42:08,820 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 [2019-01-31 14:42:08,821 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 [2019-01-31 14:42:08,821 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 [2019-01-31 14:42:08,822 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 [2019-01-31 14:42:08,823 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 [2019-01-31 14:42:08,824 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 [2019-01-31 14:42:08,825 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 [2019-01-31 14:42:08,826 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 [2019-01-31 14:42:08,827 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 [2019-01-31 14:42:08,828 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 [2019-01-31 14:42:08,829 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 [2019-01-31 14:42:08,830 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 [2019-01-31 14:42:08,831 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 [2019-01-31 14:42:08,832 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 [2019-01-31 14:42:08,832 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 [2019-01-31 14:42:08,833 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 [2019-01-31 14:42:08,834 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 [2019-01-31 14:42:08,835 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 [2019-01-31 14:42:08,836 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 [2019-01-31 14:42:08,837 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 [2019-01-31 14:42:08,838 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 [2019-01-31 14:42:08,839 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 [2019-01-31 14:42:08,840 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 [2019-01-31 14:42:08,841 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 [2019-01-31 14:42:08,842 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 [2019-01-31 14:42:08,843 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 [2019-01-31 14:42:08,844 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 [2019-01-31 14:42:08,845 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 [2019-01-31 14:42:08,846 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 [2019-01-31 14:42:08,847 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 [2019-01-31 14:42:08,848 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 [2019-01-31 14:42:08,849 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 [2019-01-31 14:42:08,850 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 [2019-01-31 14:42:08,851 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 [2019-01-31 14:42:08,852 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 [2019-01-31 14:42:08,852 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 [2019-01-31 14:42:08,853 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 [2019-01-31 14:42:08,854 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 [2019-01-31 14:42:08,855 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 [2019-01-31 14:42:08,856 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 [2019-01-31 14:42:08,857 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 [2019-01-31 14:42:08,858 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 [2019-01-31 14:42:08,859 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 [2019-01-31 14:42:08,860 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 [2019-01-31 14:42:08,861 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 [2019-01-31 14:42:08,862 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 [2019-01-31 14:42:08,863 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 [2019-01-31 14:42:08,864 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 [2019-01-31 14:42:08,865 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 [2019-01-31 14:42:08,866 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 [2019-01-31 14:42:08,867 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 [2019-01-31 14:42:08,868 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 [2019-01-31 14:42:08,868 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 [2019-01-31 14:42:08,869 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 [2019-01-31 14:42:08,870 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 [2019-01-31 14:42:08,871 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 [2019-01-31 14:42:08,872 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 [2019-01-31 14:42:08,873 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 [2019-01-31 14:42:08,874 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 [2019-01-31 14:42:08,875 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 [2019-01-31 14:42:08,876 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 [2019-01-31 14:42:08,877 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 [2019-01-31 14:42:08,878 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 [2019-01-31 14:42:08,879 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 [2019-01-31 14:42:08,880 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 [2019-01-31 14:42:08,881 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 [2019-01-31 14:42:08,882 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 [2019-01-31 14:42:08,882 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-01-31 14:42:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:42:08,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:42:08,891 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:42:08,891 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:42:08,891 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:42:08,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:42:08,891 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 [2019-01-31 14:42:08,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:42:08,900 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-31 14:42:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:42:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:42:09,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:42:13,029 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 [2019-01-31 14:42:13,030 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:42:13,036 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:42:13,036 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-31 14:42:13,039 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:42:13,039 WARN L398 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)) [2019-01-31 14:42:13,039 WARN L399 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)) [2019-01-31 14:42:13,150 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 [2019-01-31 14:42:13,150 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 [2019-01-31 14:42:13,151 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 [2019-01-31 14:42:13,152 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 [2019-01-31 14:42:13,152 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 [2019-01-31 14:42:13,153 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 [2019-01-31 14:42:13,154 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 [2019-01-31 14:42:13,155 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 [2019-01-31 14:42:13,156 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 [2019-01-31 14:42:13,157 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 [2019-01-31 14:42:13,158 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 [2019-01-31 14:42:13,158 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 [2019-01-31 14:42:13,159 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 [2019-01-31 14:42:13,160 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 [2019-01-31 14:42:13,161 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 [2019-01-31 14:42:13,162 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 [2019-01-31 14:42:13,163 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 [2019-01-31 14:42:13,164 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 [2019-01-31 14:42:13,165 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 [2019-01-31 14:42:13,166 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 [2019-01-31 14:42:13,167 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 [2019-01-31 14:42:13,168 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 [2019-01-31 14:42:13,169 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 [2019-01-31 14:42:13,170 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 [2019-01-31 14:42:13,171 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 [2019-01-31 14:42:13,172 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 [2019-01-31 14:42:13,172 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 [2019-01-31 14:42:13,173 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 [2019-01-31 14:42:13,174 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 [2019-01-31 14:42:13,175 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 [2019-01-31 14:42:13,176 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 [2019-01-31 14:42:13,177 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 [2019-01-31 14:42:13,178 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 [2019-01-31 14:42:13,179 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 [2019-01-31 14:42:13,180 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 [2019-01-31 14:42:13,181 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 [2019-01-31 14:42:13,182 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 [2019-01-31 14:42:13,183 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 [2019-01-31 14:42:13,184 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 [2019-01-31 14:42:13,185 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 [2019-01-31 14:42:13,185 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 [2019-01-31 14:42:13,186 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 [2019-01-31 14:42:13,187 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 [2019-01-31 14:42:13,188 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 [2019-01-31 14:42:13,189 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 [2019-01-31 14:42:13,189 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 [2019-01-31 14:42:13,190 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 [2019-01-31 14:42:13,191 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 [2019-01-31 14:42:13,192 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 [2019-01-31 14:42:13,193 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 [2019-01-31 14:42:13,193 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 [2019-01-31 14:42:13,194 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 [2019-01-31 14:42:13,195 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 [2019-01-31 14:42:13,196 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 [2019-01-31 14:42:13,197 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 [2019-01-31 14:42:13,197 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 [2019-01-31 14:42:13,198 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 [2019-01-31 14:42:13,199 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 [2019-01-31 14:42:13,200 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 [2019-01-31 14:42:13,200 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 [2019-01-31 14:42:13,201 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 [2019-01-31 14:42:13,202 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 [2019-01-31 14:42:13,203 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 [2019-01-31 14:42:13,204 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 [2019-01-31 14:42:13,204 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 [2019-01-31 14:42:13,205 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 [2019-01-31 14:42:13,206 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 [2019-01-31 14:42:13,207 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 [2019-01-31 14:42:13,208 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 [2019-01-31 14:42:13,209 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 [2019-01-31 14:42:13,209 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 [2019-01-31 14:42:13,210 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 [2019-01-31 14:42:13,211 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 [2019-01-31 14:42:13,212 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 [2019-01-31 14:42:13,212 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 [2019-01-31 14:42:13,213 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 [2019-01-31 14:42:13,214 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 [2019-01-31 14:42:13,215 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-01-31 14:42:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:42:13,227 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:42:13,257 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 [2019-01-31 14:42:13,259 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:42:13,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:42:13,262 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-31 14:42:13,264 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:42:13,265 WARN L398 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))))) [2019-01-31 14:42:13,265 WARN L399 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-31 14:42:14,698 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-01-31 14:42:14,700 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 [2019-01-31 14:42:14,701 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 [2019-01-31 14:42:14,702 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 [2019-01-31 14:42:14,703 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 [2019-01-31 14:42:14,704 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 [2019-01-31 14:42:14,704 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 [2019-01-31 14:42:14,705 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 [2019-01-31 14:42:14,706 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 [2019-01-31 14:42:14,707 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 [2019-01-31 14:42:14,708 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 [2019-01-31 14:42:14,709 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 [2019-01-31 14:42:14,710 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 [2019-01-31 14:42:14,711 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 [2019-01-31 14:42:14,712 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 [2019-01-31 14:42:14,713 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 [2019-01-31 14:42:14,714 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 [2019-01-31 14:42:14,715 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 [2019-01-31 14:42:14,716 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 [2019-01-31 14:42:14,717 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 [2019-01-31 14:42:14,718 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 [2019-01-31 14:42:14,719 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 [2019-01-31 14:42:14,720 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 [2019-01-31 14:42:14,721 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 [2019-01-31 14:42:14,722 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 [2019-01-31 14:42:14,723 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 [2019-01-31 14:42:14,724 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 [2019-01-31 14:42:14,725 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 [2019-01-31 14:42:14,726 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 [2019-01-31 14:42:14,727 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 [2019-01-31 14:42:14,728 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 [2019-01-31 14:42:14,729 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 [2019-01-31 14:42:14,729 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 [2019-01-31 14:42:14,730 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 [2019-01-31 14:42:14,731 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 [2019-01-31 14:42:14,732 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 [2019-01-31 14:42:14,733 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 [2019-01-31 14:42:14,734 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 [2019-01-31 14:42:14,735 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 [2019-01-31 14:42:14,736 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 [2019-01-31 14:42:14,738 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 [2019-01-31 14:42:14,739 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 [2019-01-31 14:42:14,740 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 [2019-01-31 14:42:14,741 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 [2019-01-31 14:42:14,742 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 [2019-01-31 14:42:14,743 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 [2019-01-31 14:42:14,744 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 [2019-01-31 14:42:14,745 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 [2019-01-31 14:42:14,746 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 [2019-01-31 14:42:14,747 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 [2019-01-31 14:42:14,748 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 [2019-01-31 14:42:14,749 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 [2019-01-31 14:42:14,750 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 [2019-01-31 14:42:14,751 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 [2019-01-31 14:42:14,751 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 [2019-01-31 14:42:14,752 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 [2019-01-31 14:42:14,753 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 [2019-01-31 14:42:14,754 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 [2019-01-31 14:42:14,755 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 [2019-01-31 14:42:14,756 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 [2019-01-31 14:42:14,757 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 [2019-01-31 14:42:14,758 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 [2019-01-31 14:42:14,759 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 [2019-01-31 14:42:14,760 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 [2019-01-31 14:42:14,761 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 [2019-01-31 14:42:14,762 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 [2019-01-31 14:42:14,763 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 [2019-01-31 14:42:14,764 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 [2019-01-31 14:42:14,764 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 [2019-01-31 14:42:14,765 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 [2019-01-31 14:42:14,766 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 [2019-01-31 14:42:14,767 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 [2019-01-31 14:42:14,768 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 [2019-01-31 14:42:14,769 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 [2019-01-31 14:42:14,770 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 [2019-01-31 14:42:14,771 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 [2019-01-31 14:42:14,772 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 [2019-01-31 14:42:14,773 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 [2019-01-31 14:42:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:42:14,802 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:42:14,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 117 [2019-01-31 14:42:14,802 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:42:14,803 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2019-01-31 14:42:14,803 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:42:14,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 118 states. [2019-01-31 14:42:14,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:42:14,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 118 states [2019-01-31 14:42:14,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2019-01-31 14:42:14,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=13457, Unknown=0, NotChecked=0, Total=13806 [2019-01-31 14:42:14,915 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 118 states. [2019-01-31 14:42:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:42:43,363 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2019-01-31 14:42:43,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2019-01-31 14:42:43,363 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2019-01-31 14:42:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:42:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-01-31 14:42:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2019-01-31 14:42:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-01-31 14:42:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2019-01-31 14:42:43,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 81 states and 86 transitions. [2019-01-31 14:42:43,466 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:42:43,467 INFO L225 Difference]: With dead ends: 120 [2019-01-31 14:42:43,468 INFO L226 Difference]: Without dead ends: 80 [2019-01-31 14:42:43,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 89 SyntacticMatches, 26 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3995 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=738, Invalid=24068, Unknown=0, NotChecked=0, Total=24806 [2019-01-31 14:42:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-31 14:42:45,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-01-31 14:42:45,923 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:42:45,923 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2019-01-31 14:42:45,923 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2019-01-31 14:42:45,923 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2019-01-31 14:42:45,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:42:45,924 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2019-01-31 14:42:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-01-31 14:42:45,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:42:45,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:42:45,925 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2019-01-31 14:42:45,925 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2019-01-31 14:42:45,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:42:45,926 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2019-01-31 14:42:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-01-31 14:42:45,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:42:45,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:42:45,926 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:42:45,926 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:42:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-31 14:42:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2019-01-31 14:42:45,927 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 78 [2019-01-31 14:42:45,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:42:45,927 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2019-01-31 14:42:45,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 118 states. [2019-01-31 14:42:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-01-31 14:42:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-01-31 14:42:45,927 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:42:45,928 INFO L402 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1, 1] [2019-01-31 14:42:45,928 INFO L423 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:42:45,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:42:45,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1169619308, now seen corresponding path program 56 times [2019-01-31 14:42:45,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:42:45,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:42:45,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-31 14:42:45,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:42:45,929 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:42:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:42:47,817 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 [2019-01-31 14:42:47,818 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 [2019-01-31 14:42:47,819 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 [2019-01-31 14:42:47,819 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 [2019-01-31 14:42:47,820 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 [2019-01-31 14:42:47,821 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 [2019-01-31 14:42:47,822 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 [2019-01-31 14:42:47,823 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 [2019-01-31 14:42:47,824 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 [2019-01-31 14:42:47,825 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 [2019-01-31 14:42:47,826 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 [2019-01-31 14:42:47,826 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 [2019-01-31 14:42:47,827 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 [2019-01-31 14:42:47,828 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 [2019-01-31 14:42:47,829 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 [2019-01-31 14:42:47,830 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 [2019-01-31 14:42:47,831 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 [2019-01-31 14:42:47,832 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 [2019-01-31 14:42:47,833 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 [2019-01-31 14:42:47,834 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 [2019-01-31 14:42:47,835 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 [2019-01-31 14:42:47,836 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 [2019-01-31 14:42:47,837 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 [2019-01-31 14:42:47,838 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 [2019-01-31 14:42:47,839 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 [2019-01-31 14:42:47,839 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 [2019-01-31 14:42:47,840 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 [2019-01-31 14:42:47,841 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 [2019-01-31 14:42:47,842 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 [2019-01-31 14:42:47,843 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 [2019-01-31 14:42:47,844 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 [2019-01-31 14:42:47,845 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 [2019-01-31 14:42:47,846 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 [2019-01-31 14:42:47,847 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 [2019-01-31 14:42:47,848 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 [2019-01-31 14:42:47,849 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 [2019-01-31 14:42:47,850 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 [2019-01-31 14:42:47,851 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 [2019-01-31 14:42:47,852 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 [2019-01-31 14:42:47,853 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 [2019-01-31 14:42:47,853 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 [2019-01-31 14:42:47,854 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 [2019-01-31 14:42:47,855 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 [2019-01-31 14:42:47,856 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 [2019-01-31 14:42:47,857 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 [2019-01-31 14:42:47,858 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 [2019-01-31 14:42:47,859 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 [2019-01-31 14:42:47,860 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 [2019-01-31 14:42:47,861 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 [2019-01-31 14:42:47,862 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 [2019-01-31 14:42:47,863 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 [2019-01-31 14:42:47,864 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 [2019-01-31 14:42:47,865 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 [2019-01-31 14:42:47,866 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 [2019-01-31 14:42:47,866 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 [2019-01-31 14:42:47,867 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 [2019-01-31 14:42:47,868 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 [2019-01-31 14:42:47,869 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 [2019-01-31 14:42:47,870 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 [2019-01-31 14:42:47,871 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 [2019-01-31 14:42:47,872 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 [2019-01-31 14:42:47,873 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 [2019-01-31 14:42:47,874 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 [2019-01-31 14:42:47,875 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 [2019-01-31 14:42:47,876 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 [2019-01-31 14:42:47,877 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 [2019-01-31 14:42:47,878 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 [2019-01-31 14:42:47,878 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 [2019-01-31 14:42:47,879 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 [2019-01-31 14:42:47,880 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 [2019-01-31 14:42:47,881 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 [2019-01-31 14:42:47,882 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 [2019-01-31 14:42:47,883 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 [2019-01-31 14:42:47,884 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 [2019-01-31 14:42:47,885 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 [2019-01-31 14:42:47,886 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 [2019-01-31 14:42:47,887 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 [2019-01-31 14:42:47,887 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 [2019-01-31 14:42:47,888 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-01-31 14:42:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:42:47,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:42:47,894 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:42:47,894 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:42:47,894 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:42:47,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:42:47,894 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 [2019-01-31 14:42:47,903 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-31 14:42:47,903 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-31 14:42:48,160 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2019-01-31 14:42:48,160 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:42:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:42:48,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:42:49,916 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 [2019-01-31 14:42:49,917 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 [2019-01-31 14:42:49,917 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 [2019-01-31 14:42:49,918 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 [2019-01-31 14:42:49,919 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 [2019-01-31 14:42:49,920 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 [2019-01-31 14:42:49,921 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 [2019-01-31 14:42:49,922 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 [2019-01-31 14:42:49,922 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 [2019-01-31 14:42:49,923 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 [2019-01-31 14:42:49,924 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 [2019-01-31 14:42:49,925 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 [2019-01-31 14:42:49,926 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 [2019-01-31 14:42:49,927 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 [2019-01-31 14:42:49,928 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 [2019-01-31 14:42:49,929 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 [2019-01-31 14:42:49,930 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 [2019-01-31 14:42:49,931 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 [2019-01-31 14:42:49,932 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 [2019-01-31 14:42:49,933 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 [2019-01-31 14:42:49,934 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 [2019-01-31 14:42:49,934 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 [2019-01-31 14:42:49,935 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 [2019-01-31 14:42:49,936 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 [2019-01-31 14:42:49,937 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 [2019-01-31 14:42:49,938 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 [2019-01-31 14:42:49,939 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 [2019-01-31 14:42:49,940 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 [2019-01-31 14:42:49,941 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 [2019-01-31 14:42:49,942 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 [2019-01-31 14:42:49,943 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 [2019-01-31 14:42:49,944 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 [2019-01-31 14:42:49,945 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 [2019-01-31 14:42:49,946 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 [2019-01-31 14:42:49,947 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 [2019-01-31 14:42:49,947 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 [2019-01-31 14:42:49,948 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 [2019-01-31 14:42:49,949 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 [2019-01-31 14:42:49,950 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 [2019-01-31 14:42:49,951 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 [2019-01-31 14:42:49,952 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 [2019-01-31 14:42:49,953 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 [2019-01-31 14:42:49,954 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 [2019-01-31 14:42:49,955 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 [2019-01-31 14:42:49,956 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 [2019-01-31 14:42:49,957 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 [2019-01-31 14:42:49,958 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 [2019-01-31 14:42:49,959 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 [2019-01-31 14:42:49,960 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 [2019-01-31 14:42:49,961 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 [2019-01-31 14:42:49,962 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 [2019-01-31 14:42:49,963 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 [2019-01-31 14:42:49,964 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 [2019-01-31 14:42:49,965 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 [2019-01-31 14:42:49,966 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 [2019-01-31 14:42:49,967 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 [2019-01-31 14:42:49,968 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 [2019-01-31 14:42:49,969 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 [2019-01-31 14:42:49,970 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 [2019-01-31 14:42:49,971 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 [2019-01-31 14:42:49,972 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 [2019-01-31 14:42:49,973 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 [2019-01-31 14:42:49,974 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 [2019-01-31 14:42:49,974 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 [2019-01-31 14:42:49,975 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 [2019-01-31 14:42:49,976 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 [2019-01-31 14:42:49,977 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 [2019-01-31 14:42:49,978 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 [2019-01-31 14:42:49,979 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 [2019-01-31 14:42:49,980 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 [2019-01-31 14:42:49,981 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 [2019-01-31 14:42:49,982 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 [2019-01-31 14:42:49,983 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 [2019-01-31 14:42:49,984 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 [2019-01-31 14:42:49,985 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 [2019-01-31 14:42:49,986 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 [2019-01-31 14:42:49,986 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 [2019-01-31 14:42:49,987 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 [2019-01-31 14:42:49,987 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-01-31 14:42:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:42:49,993 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:42:51,745 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-01-31 14:42:51,745 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 [2019-01-31 14:42:51,746 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 [2019-01-31 14:42:51,747 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 [2019-01-31 14:42:51,747 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 [2019-01-31 14:42:51,748 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 [2019-01-31 14:42:51,748 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 [2019-01-31 14:42:51,749 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 [2019-01-31 14:42:51,750 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 [2019-01-31 14:42:51,751 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 [2019-01-31 14:42:51,752 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 [2019-01-31 14:42:51,753 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 [2019-01-31 14:42:51,754 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 [2019-01-31 14:42:51,755 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 [2019-01-31 14:42:51,756 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 [2019-01-31 14:42:51,757 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 [2019-01-31 14:42:51,758 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 [2019-01-31 14:42:51,759 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 [2019-01-31 14:42:51,759 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 [2019-01-31 14:42:51,760 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 [2019-01-31 14:42:51,761 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 [2019-01-31 14:42:51,762 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 [2019-01-31 14:42:51,763 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 [2019-01-31 14:42:51,764 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 [2019-01-31 14:42:51,765 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 [2019-01-31 14:42:51,766 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 [2019-01-31 14:42:51,767 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 [2019-01-31 14:42:51,768 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 [2019-01-31 14:42:51,769 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 [2019-01-31 14:42:51,770 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 [2019-01-31 14:42:51,771 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 [2019-01-31 14:42:51,772 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 [2019-01-31 14:42:51,772 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 [2019-01-31 14:42:51,773 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 [2019-01-31 14:42:51,774 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 [2019-01-31 14:42:51,775 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 [2019-01-31 14:42:51,776 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 [2019-01-31 14:42:51,777 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 [2019-01-31 14:42:51,778 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 [2019-01-31 14:42:51,779 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 [2019-01-31 14:42:51,780 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 [2019-01-31 14:42:51,781 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 [2019-01-31 14:42:51,782 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 [2019-01-31 14:42:51,783 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 [2019-01-31 14:42:51,784 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 [2019-01-31 14:42:51,785 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 [2019-01-31 14:42:51,786 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 [2019-01-31 14:42:51,786 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 [2019-01-31 14:42:51,787 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 [2019-01-31 14:42:51,788 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 [2019-01-31 14:42:51,789 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 [2019-01-31 14:42:51,790 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 [2019-01-31 14:42:51,791 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 [2019-01-31 14:42:51,792 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 [2019-01-31 14:42:51,793 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 [2019-01-31 14:42:51,794 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 [2019-01-31 14:42:51,795 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 [2019-01-31 14:42:51,796 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 [2019-01-31 14:42:51,797 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 [2019-01-31 14:42:51,798 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 [2019-01-31 14:42:51,799 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 [2019-01-31 14:42:51,799 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 [2019-01-31 14:42:51,800 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 [2019-01-31 14:42:51,801 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 [2019-01-31 14:42:51,802 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 [2019-01-31 14:42:51,803 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 [2019-01-31 14:42:51,804 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 [2019-01-31 14:42:51,805 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 [2019-01-31 14:42:51,806 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 [2019-01-31 14:42:51,807 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 [2019-01-31 14:42:51,808 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 [2019-01-31 14:42:51,809 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 [2019-01-31 14:42:51,810 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 [2019-01-31 14:42:51,811 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 [2019-01-31 14:42:51,812 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 [2019-01-31 14:42:51,813 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 [2019-01-31 14:42:51,814 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 [2019-01-31 14:42:51,815 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 [2019-01-31 14:42:51,815 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 [2019-01-31 14:42:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:42:51,842 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:42:51,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 40 [2019-01-31 14:42:51,843 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:42:51,843 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2019-01-31 14:42:51,843 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:42:51,843 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2019-01-31 14:42:51,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:42:51,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-01-31 14:42:51,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-01-31 14:42:51,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2019-01-31 14:42:51,942 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 41 states. [2019-01-31 14:42:55,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:42:55,907 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-01-31 14:42:55,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2019-01-31 14:42:55,907 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2019-01-31 14:42:55,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:42:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-31 14:42:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2019-01-31 14:42:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-31 14:42:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2019-01-31 14:42:55,909 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 84 transitions. [2019-01-31 14:42:55,982 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:42:55,983 INFO L225 Difference]: With dead ends: 83 [2019-01-31 14:42:55,983 INFO L226 Difference]: Without dead ends: 81 [2019-01-31 14:42:55,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 119 SyntacticMatches, 76 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2340, Invalid=3822, Unknown=0, NotChecked=0, Total=6162 [2019-01-31 14:42:55,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-31 14:43:00,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-01-31 14:43:00,590 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:43:00,591 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2019-01-31 14:43:00,591 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2019-01-31 14:43:00,591 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2019-01-31 14:43:00,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:43:00,592 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2019-01-31 14:43:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-01-31 14:43:00,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:43:00,593 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:43:00,593 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2019-01-31 14:43:00,593 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2019-01-31 14:43:00,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:43:00,596 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2019-01-31 14:43:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-01-31 14:43:00,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:43:00,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:43:00,597 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:43:00,597 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:43:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-01-31 14:43:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2019-01-31 14:43:00,598 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 79 [2019-01-31 14:43:00,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:43:00,599 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2019-01-31 14:43:00,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-01-31 14:43:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-01-31 14:43:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-01-31 14:43:00,599 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:43:00,599 INFO L402 BasicCegarLoop]: trace histogram [38, 38, 1, 1, 1, 1] [2019-01-31 14:43:00,599 INFO L423 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:43:00,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:43:00,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1898461994, now seen corresponding path program 57 times [2019-01-31 14:43:00,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:43:00,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:43:00,600 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:43:00,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:43:00,601 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:43:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:43:04,703 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 [2019-01-31 14:43:04,705 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 [2019-01-31 14:43:04,706 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 [2019-01-31 14:43:04,707 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 [2019-01-31 14:43:04,708 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 [2019-01-31 14:43:04,709 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 [2019-01-31 14:43:04,710 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 [2019-01-31 14:43:04,711 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 [2019-01-31 14:43:04,712 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 [2019-01-31 14:43:04,713 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 [2019-01-31 14:43:04,714 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 [2019-01-31 14:43:04,715 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 [2019-01-31 14:43:04,716 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 [2019-01-31 14:43:04,717 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 [2019-01-31 14:43:04,718 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 [2019-01-31 14:43:04,719 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 [2019-01-31 14:43:04,720 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 [2019-01-31 14:43:04,721 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 [2019-01-31 14:43:04,722 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 [2019-01-31 14:43:04,723 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 [2019-01-31 14:43:04,724 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 [2019-01-31 14:43:04,725 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 [2019-01-31 14:43:04,726 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 [2019-01-31 14:43:04,727 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 [2019-01-31 14:43:04,728 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 [2019-01-31 14:43:04,729 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 [2019-01-31 14:43:04,730 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 [2019-01-31 14:43:04,731 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 [2019-01-31 14:43:04,732 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 [2019-01-31 14:43:04,733 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 [2019-01-31 14:43:04,734 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 [2019-01-31 14:43:04,735 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 [2019-01-31 14:43:04,736 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 [2019-01-31 14:43:04,737 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 [2019-01-31 14:43:04,738 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 [2019-01-31 14:43:04,739 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 [2019-01-31 14:43:04,740 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 [2019-01-31 14:43:04,741 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 [2019-01-31 14:43:04,742 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 [2019-01-31 14:43:04,743 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 [2019-01-31 14:43:04,744 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 [2019-01-31 14:43:04,745 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 [2019-01-31 14:43:04,746 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 [2019-01-31 14:43:04,747 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 [2019-01-31 14:43:04,748 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 [2019-01-31 14:43:04,749 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 [2019-01-31 14:43:04,750 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 [2019-01-31 14:43:04,751 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 [2019-01-31 14:43:04,752 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 [2019-01-31 14:43:04,753 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 [2019-01-31 14:43:04,754 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 [2019-01-31 14:43:04,755 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 [2019-01-31 14:43:04,756 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 [2019-01-31 14:43:04,757 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 [2019-01-31 14:43:04,758 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 [2019-01-31 14:43:04,759 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 [2019-01-31 14:43:04,760 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 [2019-01-31 14:43:04,761 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 [2019-01-31 14:43:04,762 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 [2019-01-31 14:43:04,763 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 [2019-01-31 14:43:04,764 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 [2019-01-31 14:43:04,765 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 [2019-01-31 14:43:04,766 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 [2019-01-31 14:43:04,767 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 [2019-01-31 14:43:04,768 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 [2019-01-31 14:43:04,769 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 [2019-01-31 14:43:04,770 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 [2019-01-31 14:43:04,771 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 [2019-01-31 14:43:04,772 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 [2019-01-31 14:43:04,773 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 [2019-01-31 14:43:04,774 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 [2019-01-31 14:43:04,775 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 [2019-01-31 14:43:04,776 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 [2019-01-31 14:43:04,777 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 [2019-01-31 14:43:04,778 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 [2019-01-31 14:43:04,779 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 [2019-01-31 14:43:04,780 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 [2019-01-31 14:43:04,781 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 [2019-01-31 14:43:04,783 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 [2019-01-31 14:43:04,783 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-01-31 14:43:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-31 14:43:04,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:43:04,793 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-31 14:43:04,793 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-31 14:43:04,793 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-31 14:43:04,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-31 14:43:04,793 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 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 [2019-01-31 14:43:04,802 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-31 14:43:04,802 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-31 14:43:04,851 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-31 14:43:04,852 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-31 14:43:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-31 14:43:04,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-31 14:43:09,096 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 [2019-01-31 14:43:09,098 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:43:09,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:43:09,103 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-31 14:43:09,106 WARN L397 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-31 14:43:09,106 WARN L398 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)) [2019-01-31 14:43:09,106 WARN L399 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))) [2019-01-31 14:43:09,229 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 [2019-01-31 14:43:09,229 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 [2019-01-31 14:43:09,229 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,230 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,231 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,232 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,233 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 [2019-01-31 14:43:09,234 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 [2019-01-31 14:43:09,234 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 [2019-01-31 14:43:09,235 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 [2019-01-31 14:43:09,236 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 [2019-01-31 14:43:09,236 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 [2019-01-31 14:43:09,238 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 [2019-01-31 14:43:09,239 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 [2019-01-31 14:43:09,240 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 [2019-01-31 14:43:09,241 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 [2019-01-31 14:43:09,242 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 [2019-01-31 14:43:09,243 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 [2019-01-31 14:43:09,244 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 [2019-01-31 14:43:09,245 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 [2019-01-31 14:43:09,246 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 [2019-01-31 14:43:09,247 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 [2019-01-31 14:43:09,248 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 [2019-01-31 14:43:09,249 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 [2019-01-31 14:43:09,250 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 [2019-01-31 14:43:09,251 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 [2019-01-31 14:43:09,252 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 [2019-01-31 14:43:09,253 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 [2019-01-31 14:43:09,254 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 [2019-01-31 14:43:09,255 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 [2019-01-31 14:43:09,257 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 [2019-01-31 14:43:09,258 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 [2019-01-31 14:43:09,259 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 [2019-01-31 14:43:09,260 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 [2019-01-31 14:43:09,261 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 [2019-01-31 14:43:09,262 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 [2019-01-31 14:43:09,263 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 [2019-01-31 14:43:09,264 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 [2019-01-31 14:43:09,265 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 [2019-01-31 14:43:09,266 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 [2019-01-31 14:43:09,267 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 [2019-01-31 14:43:09,268 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 [2019-01-31 14:43:09,269 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 [2019-01-31 14:43:09,270 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 [2019-01-31 14:43:09,272 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 [2019-01-31 14:43:09,273 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 [2019-01-31 14:43:09,274 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 [2019-01-31 14:43:09,274 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-01-31 14:43:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2019-01-31 14:43:09,284 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-31 14:43:09,431 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 [2019-01-31 14:43:09,434 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-31 14:43:09,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-31 14:43:09,446 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-31 14:43:14,141 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-01-31 14:43:14,142 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 [2019-01-31 14:43:14,143 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 [2019-01-31 14:43:14,145 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 [2019-01-31 14:43:14,146 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 [2019-01-31 14:43:14,147 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 [2019-01-31 14:43:14,148 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 [2019-01-31 14:43:14,149 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 [2019-01-31 14:43:14,150 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 [2019-01-31 14:43:14,151 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 [2019-01-31 14:43:14,152 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 [2019-01-31 14:43:14,153 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 [2019-01-31 14:43:14,154 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 [2019-01-31 14:43:14,155 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 [2019-01-31 14:43:14,157 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 [2019-01-31 14:43:14,158 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 [2019-01-31 14:43:14,159 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 [2019-01-31 14:43:14,160 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 [2019-01-31 14:43:14,161 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 [2019-01-31 14:43:14,162 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 [2019-01-31 14:43:14,163 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 [2019-01-31 14:43:14,164 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 [2019-01-31 14:43:14,166 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 [2019-01-31 14:43:14,167 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 [2019-01-31 14:43:14,168 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 [2019-01-31 14:43:14,169 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 [2019-01-31 14:43:14,170 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 [2019-01-31 14:43:14,171 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 [2019-01-31 14:43:14,173 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 [2019-01-31 14:43:14,174 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 [2019-01-31 14:43:14,175 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 [2019-01-31 14:43:14,176 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 [2019-01-31 14:43:14,177 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 [2019-01-31 14:43:14,178 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 [2019-01-31 14:43:14,179 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 [2019-01-31 14:43:14,181 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 [2019-01-31 14:43:14,182 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 [2019-01-31 14:43:14,183 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 [2019-01-31 14:43:14,184 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 [2019-01-31 14:43:14,185 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 [2019-01-31 14:43:14,186 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 [2019-01-31 14:43:14,186 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 [2019-01-31 14:43:14,187 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 [2019-01-31 14:43:14,187 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 [2019-01-31 14:43:14,187 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 [2019-01-31 14:43:14,187 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 [2019-01-31 14:43:14,187 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 [2019-01-31 14:43:14,187 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 [2019-01-31 14:43:14,188 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 [2019-01-31 14:43:14,188 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 [2019-01-31 14:43:14,188 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 [2019-01-31 14:43:14,188 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 [2019-01-31 14:43:14,188 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 [2019-01-31 14:43:14,188 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,189 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,190 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 [2019-01-31 14:43:14,191 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 [2019-01-31 14:43:14,191 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 [2019-01-31 14:43:14,191 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 [2019-01-31 14:43:14,191 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 [2019-01-31 14:43:14,191 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 [2019-01-31 14:43:14,191 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 [2019-01-31 14:43:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2019-01-31 14:43:14,219 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-31 14:43:14,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 41, 41] total 158 [2019-01-31 14:43:14,219 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-31 14:43:14,220 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2019-01-31 14:43:14,220 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-31 14:43:14,220 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 119 states. [2019-01-31 14:43:14,334 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:43:14,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 119 states [2019-01-31 14:43:14,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2019-01-31 14:43:14,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3278, Invalid=21528, Unknown=0, NotChecked=0, Total=24806 [2019-01-31 14:43:14,336 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 119 states. [2019-01-31 14:43:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:43:46,940 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2019-01-31 14:43:46,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2019-01-31 14:43:46,941 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2019-01-31 14:43:46,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-31 14:43:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-01-31 14:43:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2019-01-31 14:43:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-01-31 14:43:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2019-01-31 14:43:46,944 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 122 states and 129 transitions. [2019-01-31 14:43:47,090 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-31 14:43:47,091 INFO L225 Difference]: With dead ends: 125 [2019-01-31 14:43:47,092 INFO L226 Difference]: Without dead ends: 83 [2019-01-31 14:43:47,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=5173, Invalid=35027, Unknown=0, NotChecked=0, Total=40200 [2019-01-31 14:43:47,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-01-31 14:43:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-01-31 14:43:50,260 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-31 14:43:50,260 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2019-01-31 14:43:50,260 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2019-01-31 14:43:50,261 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2019-01-31 14:43:50,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:43:50,261 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-01-31 14:43:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-01-31 14:43:50,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:43:50,262 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:43:50,262 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2019-01-31 14:43:50,262 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2019-01-31 14:43:50,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-31 14:43:50,263 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-01-31 14:43:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-01-31 14:43:50,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-31 14:43:50,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-31 14:43:50,264 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-31 14:43:50,264 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-31 14:43:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-31 14:43:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2019-01-31 14:43:50,265 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 80 [2019-01-31 14:43:50,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-31 14:43:50,265 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2019-01-31 14:43:50,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 119 states. [2019-01-31 14:43:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-01-31 14:43:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-01-31 14:43:50,266 INFO L394 BasicCegarLoop]: Found error trace [2019-01-31 14:43:50,266 INFO L402 BasicCegarLoop]: trace histogram [39, 39, 1, 1, 1, 1] [2019-01-31 14:43:50,266 INFO L423 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-31 14:43:50,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-31 14:43:50,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1341848277, now seen corresponding path program 58 times [2019-01-31 14:43:50,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-31 14:43:50,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:43:50,267 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-31 14:43:50,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-31 14:43:50,267 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-31 14:43:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat