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-f57a05f [2019-01-07 18:18:48,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 18:18:48,756 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 18:18:48,768 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 18:18:48,768 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 18:18:48,769 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 18:18:48,771 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 18:18:48,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 18:18:48,775 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 18:18:48,775 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 18:18:48,776 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-07 18:18:48,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-07 18:18:48,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-07 18:18:48,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-07 18:18:48,780 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-07 18:18:48,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-07 18:18:48,782 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-07 18:18:48,784 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-07 18:18:48,786 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-07 18:18:48,788 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-07 18:18:48,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-07 18:18:48,791 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-07 18:18:48,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-07 18:18:48,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-07 18:18:48,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-07 18:18:48,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-07 18:18:48,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-07 18:18:48,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-07 18:18:48,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-07 18:18:48,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-07 18:18:48,801 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-07 18:18:48,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-07 18:18:48,802 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-07 18:18:48,802 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-07 18:18:48,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-07 18:18:48,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-07 18:18:48,808 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 [2019-01-07 18:18:48,830 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 18:18:48,830 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 18:18:48,831 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 18:18:48,836 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 18:18:48,836 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 18:18:48,836 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 18:18:48,836 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 18:18:48,837 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 18:18:48,837 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-07 18:18:48,837 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 18:18:48,837 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-07 18:18:48,837 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-07 18:18:48,838 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 18:18:48,838 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 18:18:48,839 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 18:18:48,840 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 18:18:48,841 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 18:18:48,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 18:18:48,841 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 18:18:48,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 18:18:48,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 18:18:48,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 18:18:48,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 18:18:48,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 18:18:48,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 18:18:48,843 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 18:18:48,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 18:18:48,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 18:18:48,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 18:18:48,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 18:18:48,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 18:18:48,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 18:18:48,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 18:18:48,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 18:18:48,847 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 18:18:48,847 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 18:18:48,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 18:18:48,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 18:18:48,848 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 18:18:48,848 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 18:18:48,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 18:18:48,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 18:18:48,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 18:18:48,906 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 18:18:48,907 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 18:18:48,908 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2019-01-07 18:18:48,908 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2019-01-07 18:18:48,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 18:18:48,955 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 18:18:48,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 18:18:48,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 18:18:48,956 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 18:18:48,974 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:48,986 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:48,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 18:18:48,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 18:18:48,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 18:18:48,996 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 18:18:49,007 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:49,007 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:49,009 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:49,009 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:49,014 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:49,016 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:49,017 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 07.01 06:18:48" (1/1) ... [2019-01-07 18:18:49,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 18:18:49,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 18:18:49,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 18:18:49,019 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 18:18:49,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:18:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 18:18:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 18:18:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 18:18:49,596 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 18:18:49,596 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-07 18:18:49,597 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 06:18:49 BoogieIcfgContainer [2019-01-07 18:18:49,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 18:18:49,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-07 18:18:49,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-07 18:18:49,602 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-07 18:18:49,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 06:18:48" (1/2) ... [2019-01-07 18:18:49,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc7d507 and model type invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 06:18:49, skipping insertion in model container [2019-01-07 18:18:49,608 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 07.01 06:18:49" (2/2) ... [2019-01-07 18:18:49,610 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string.i_4.bpl [2019-01-07 18:18:49,621 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-07 18:18:49,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-07 18:18:49,649 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-07 18:18:49,687 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-07 18:18:49,688 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-07 18:18:49,688 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-07 18:18:49,688 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-07 18:18:49,688 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-07 18:18:49,689 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-07 18:18:49,689 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-07 18:18:49,689 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-07 18:18:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-01-07 18:18:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-07 18:18:49,717 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:49,718 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-07 18:18:49,721 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:49,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:49,727 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2019-01-07 18:18:49,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:49,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:49,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:18:49,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:49,779 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:49,957 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 [2019-01-07 18:18:49,962 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 [2019-01-07 18:18:49,972 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 [2019-01-07 18:18:49,972 INFO L273 TraceCheckUtils]: 3: Hoare triple {11#false} assume !false; {11#false} is VALID [2019-01-07 18:18:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:49,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 18:18:49,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-07 18:18:49,976 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:18:49,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-07 18:18:49,983 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:18:49,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2019-01-07 18:18:50,044 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:50,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-07 18:18:50,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-07 18:18:50,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-07 18:18:50,056 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-01-07 18:18:50,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:50,187 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-01-07 18:18:50,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-07 18:18:50,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-07 18:18:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:18:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:18:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-01-07 18:18:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-07 18:18:50,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-01-07 18:18:50,198 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 12 transitions. [2019-01-07 18:18:50,281 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:50,291 INFO L225 Difference]: With dead ends: 10 [2019-01-07 18:18:50,291 INFO L226 Difference]: Without dead ends: 6 [2019-01-07 18:18:50,294 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 [2019-01-07 18:18:50,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-01-07 18:18:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-01-07 18:18:50,388 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:18:50,389 INFO L82 GeneralOperation]: Start isEquivalent. First operand 6 states. Second operand 6 states. [2019-01-07 18:18:50,389 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-01-07 18:18:50,390 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-01-07 18:18:50,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:50,392 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-01-07 18:18:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-07 18:18:50,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:50,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:50,393 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2019-01-07 18:18:50,393 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2019-01-07 18:18:50,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:50,395 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2019-01-07 18:18:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-07 18:18:50,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:50,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:50,396 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:18:50,396 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:18:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-07 18:18:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-01-07 18:18:50,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 4 [2019-01-07 18:18:50,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:18:50,400 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-01-07 18:18:50,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-07 18:18:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-01-07 18:18:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-07 18:18:50,401 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:50,401 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-07 18:18:50,402 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:50,402 INFO L82 PathProgramCache]: Analyzing trace with hash 28791948, now seen corresponding path program 1 times [2019-01-07 18:18:50,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:50,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:50,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:18:50,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:50,404 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:50,671 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 [2019-01-07 18:18:50,680 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 [2019-01-07 18:18:50,682 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 [2019-01-07 18:18:50,682 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 [2019-01-07 18:18:50,683 INFO L273 TraceCheckUtils]: 4: Hoare triple {53#false} assume !false; {53#false} is VALID [2019-01-07 18:18:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:50,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-07 18:18:50,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-07 18:18:50,684 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-07 18:18:50,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-07 18:18:50,686 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:18:50,686 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2019-01-07 18:18:50,772 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:50,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-07 18:18:50,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-07 18:18:50,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-07 18:18:50,773 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2019-01-07 18:18:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:51,003 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-01-07 18:18:51,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-07 18:18:51,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-07 18:18:51,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:18:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-07 18:18:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-01-07 18:18:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-07 18:18:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-01-07 18:18:51,008 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 12 transitions. [2019-01-07 18:18:51,035 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:51,036 INFO L225 Difference]: With dead ends: 11 [2019-01-07 18:18:51,036 INFO L226 Difference]: Without dead ends: 7 [2019-01-07 18:18:51,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-07 18:18:51,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-01-07 18:18:51,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-01-07 18:18:51,053 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:18:51,053 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2019-01-07 18:18:51,054 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-01-07 18:18:51,054 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-01-07 18:18:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:51,055 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-01-07 18:18:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-07 18:18:51,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:51,056 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:51,056 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2019-01-07 18:18:51,056 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2019-01-07 18:18:51,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:51,058 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-01-07 18:18:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-07 18:18:51,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:51,059 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:51,059 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:18:51,059 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:18:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-07 18:18:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-01-07 18:18:51,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2019-01-07 18:18:51,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:18:51,061 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-01-07 18:18:51,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-07 18:18:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-07 18:18:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-07 18:18:51,062 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:51,062 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-07 18:18:51,063 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash 894131125, now seen corresponding path program 1 times [2019-01-07 18:18:51,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:51,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:51,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:18:51,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:51,065 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:51,538 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 [2019-01-07 18:18:51,542 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 [2019-01-07 18:18:51,543 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 [2019-01-07 18:18:51,548 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 [2019-01-07 18:18:51,549 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 [2019-01-07 18:18:51,550 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-01-07 18:18:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:51,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:51,551 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:18:51,552 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2019-01-07 18:18:51,554 INFO L207 CegarAbsIntRunner]: [0], [5], [7], [12], [14], [16] [2019-01-07 18:18:51,589 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-01-07 18:18:51,589 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 18:18:51,854 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 18:18:51,856 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. [2019-01-07 18:18:51,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:51,863 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-01-07 18:18:51,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:51,863 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 [2019-01-07 18:18:51,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:18:51,875 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:18:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:51,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:18:52,382 WARN L181 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-01-07 18:18:52,583 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 [2019-01-07 18:18:52,586 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:18:52,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:18:52,597 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:18:52,615 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:18:52,616 WARN L385 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)) [2019-01-07 18:18:52,616 WARN L386 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)) [2019-01-07 18:18:52,816 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 [2019-01-07 18:18:52,817 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 [2019-01-07 18:18:52,818 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 [2019-01-07 18:18:52,820 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 [2019-01-07 18:18:52,822 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 [2019-01-07 18:18:52,822 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-01-07 18:18:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:52,823 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:18:52,932 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 [2019-01-07 18:18:52,936 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:18:52,940 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:18:52,941 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:18:52,944 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:18:52,944 WARN L385 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))))) [2019-01-07 18:18:52,944 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:18:53,076 INFO L273 TraceCheckUtils]: 5: Hoare triple {104#false} assume !false; {104#false} is VALID [2019-01-07 18:18:53,091 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 [2019-01-07 18:18:53,105 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 [2019-01-07 18:18:53,107 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 [2019-01-07 18:18:53,109 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 [2019-01-07 18:18:53,110 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 [2019-01-07 18:18:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:53,131 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:18:53,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2019-01-07 18:18:53,132 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:18:53,132 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2019-01-07 18:18:53,133 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:18:53,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2019-01-07 18:18:53,155 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:53,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-07 18:18:53,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-07 18:18:53,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-01-07 18:18:53,156 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 10 states. [2019-01-07 18:18:53,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:53,612 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-01-07 18:18:53,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-07 18:18:53,612 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2019-01-07 18:18:53,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:18:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-07 18:18:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2019-01-07 18:18:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-07 18:18:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2019-01-07 18:18:53,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 14 transitions. [2019-01-07 18:18:53,641 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:53,642 INFO L225 Difference]: With dead ends: 12 [2019-01-07 18:18:53,643 INFO L226 Difference]: Without dead ends: 8 [2019-01-07 18:18:53,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-01-07 18:18:53,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-07 18:18:53,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-07 18:18:53,659 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:18:53,660 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states. Second operand 8 states. [2019-01-07 18:18:53,660 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2019-01-07 18:18:53,660 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2019-01-07 18:18:53,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:53,662 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-01-07 18:18:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-07 18:18:53,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:53,663 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:53,663 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2019-01-07 18:18:53,663 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2019-01-07 18:18:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:53,664 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-01-07 18:18:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-07 18:18:53,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:53,665 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:53,665 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:18:53,665 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:18:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-07 18:18:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-01-07 18:18:53,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2019-01-07 18:18:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:18:53,667 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-01-07 18:18:53,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-07 18:18:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-07 18:18:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-07 18:18:53,667 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:53,668 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-01-07 18:18:53,668 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:53,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:53,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1949841836, now seen corresponding path program 2 times [2019-01-07 18:18:53,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:53,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:53,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:18:53,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:53,670 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:53,784 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 [2019-01-07 18:18:53,786 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 [2019-01-07 18:18:53,787 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 [2019-01-07 18:18:53,788 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 [2019-01-07 18:18:53,790 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 [2019-01-07 18:18:53,792 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 [2019-01-07 18:18:53,792 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-01-07 18:18:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:53,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:53,793 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:18:53,793 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:18:53,794 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:18:53,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:53,794 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 [2019-01-07 18:18:53,805 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:18:53,805 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:18:53,825 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-07 18:18:53,826 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:18:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:53,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:18:54,059 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 [2019-01-07 18:18:54,061 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 [2019-01-07 18:18:54,062 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 [2019-01-07 18:18:54,063 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 [2019-01-07 18:18:54,065 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 [2019-01-07 18:18:54,065 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 [2019-01-07 18:18:54,066 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-01-07 18:18:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:54,066 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:18:54,118 INFO L273 TraceCheckUtils]: 6: Hoare triple {205#false} assume !false; {205#false} is VALID [2019-01-07 18:18:54,119 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 [2019-01-07 18:18:54,120 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 [2019-01-07 18:18:54,121 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 [2019-01-07 18:18:54,122 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 [2019-01-07 18:18:54,123 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 [2019-01-07 18:18:54,124 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 [2019-01-07 18:18:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:54,146 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:18:54,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2019-01-07 18:18:54,146 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:18:54,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-01-07 18:18:54,147 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:18:54,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2019-01-07 18:18:54,164 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:54,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-07 18:18:54,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-07 18:18:54,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-07 18:18:54,165 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 5 states. [2019-01-07 18:18:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:54,286 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-07 18:18:54,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-07 18:18:54,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-01-07 18:18:54,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:18:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-07 18:18:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2019-01-07 18:18:54,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-07 18:18:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2019-01-07 18:18:54,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 12 transitions. [2019-01-07 18:18:54,314 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:54,315 INFO L225 Difference]: With dead ends: 11 [2019-01-07 18:18:54,316 INFO L226 Difference]: Without dead ends: 9 [2019-01-07 18:18:54,316 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 [2019-01-07 18:18:54,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-07 18:18:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-07 18:18:54,400 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:18:54,400 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9 states. Second operand 9 states. [2019-01-07 18:18:54,400 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2019-01-07 18:18:54,401 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2019-01-07 18:18:54,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:54,402 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-01-07 18:18:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-07 18:18:54,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:54,402 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:54,402 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states. Second operand 9 states. [2019-01-07 18:18:54,403 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 9 states. [2019-01-07 18:18:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:54,404 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-01-07 18:18:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-07 18:18:54,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:54,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:54,404 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:18:54,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:18:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-07 18:18:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-01-07 18:18:54,406 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2019-01-07 18:18:54,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:18:54,406 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-01-07 18:18:54,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-07 18:18:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-07 18:18:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-07 18:18:54,406 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:54,407 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2019-01-07 18:18:54,407 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:54,407 INFO L82 PathProgramCache]: Analyzing trace with hash 315556586, now seen corresponding path program 3 times [2019-01-07 18:18:54,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:54,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:54,409 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:18:54,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:54,409 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:54,886 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 [2019-01-07 18:18:54,887 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 [2019-01-07 18:18:54,889 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 [2019-01-07 18:18:54,891 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 [2019-01-07 18:18:54,897 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 [2019-01-07 18:18:54,898 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 [2019-01-07 18:18:54,903 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 [2019-01-07 18:18:54,903 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-01-07 18:18:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:54,904 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:54,904 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:18:54,905 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:18:54,905 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:18:54,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:54,905 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 [2019-01-07 18:18:54,916 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:18:54,917 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:18:54,934 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:18:54,935 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:18:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:54,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:18:55,062 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 [2019-01-07 18:18:55,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:18:55,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:18:55,075 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:18:55,077 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:18:55,077 WARN L385 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)) [2019-01-07 18:18:55,078 WARN L386 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))) [2019-01-07 18:18:55,150 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 [2019-01-07 18:18:55,151 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 [2019-01-07 18:18:55,151 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 [2019-01-07 18:18:55,153 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 [2019-01-07 18:18:55,154 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 [2019-01-07 18:18:55,155 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 [2019-01-07 18:18:55,157 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 [2019-01-07 18:18:55,157 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-01-07 18:18:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-07 18:18:55,159 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:18:55,408 WARN L181 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-01-07 18:18:55,412 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 [2019-01-07 18:18:55,414 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:18:55,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:18:55,430 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:18:55,577 INFO L273 TraceCheckUtils]: 7: Hoare triple {305#false} assume !false; {305#false} is VALID [2019-01-07 18:18:55,578 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 [2019-01-07 18:18:55,579 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 [2019-01-07 18:18:55,580 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 [2019-01-07 18:18:55,581 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 [2019-01-07 18:18:55,582 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 [2019-01-07 18:18:55,582 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 [2019-01-07 18:18:55,583 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 [2019-01-07 18:18:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-07 18:18:55,602 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:18:55,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14 [2019-01-07 18:18:55,602 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:18:55,603 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-01-07 18:18:55,603 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:18:55,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2019-01-07 18:18:55,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:55,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-07 18:18:55,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-07 18:18:55,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-01-07 18:18:55,622 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 11 states. [2019-01-07 18:18:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:56,519 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-01-07 18:18:56,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-07 18:18:56,520 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-01-07 18:18:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:18:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-07 18:18:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2019-01-07 18:18:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-07 18:18:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2019-01-07 18:18:56,524 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 21 transitions. [2019-01-07 18:18:56,558 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:56,559 INFO L225 Difference]: With dead ends: 17 [2019-01-07 18:18:56,560 INFO L226 Difference]: Without dead ends: 11 [2019-01-07 18:18:56,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2019-01-07 18:18:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-07 18:18:56,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-07 18:18:56,605 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:18:56,605 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states. Second operand 11 states. [2019-01-07 18:18:56,605 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-01-07 18:18:56,605 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-01-07 18:18:56,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:56,607 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-07 18:18:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-07 18:18:56,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:56,608 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:56,608 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states. Second operand 11 states. [2019-01-07 18:18:56,608 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-01-07 18:18:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:56,609 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-07 18:18:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-07 18:18:56,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:56,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:56,610 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:18:56,610 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:18:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-07 18:18:56,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-01-07 18:18:56,612 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2019-01-07 18:18:56,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:18:56,612 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-01-07 18:18:56,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-07 18:18:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-07 18:18:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-07 18:18:56,613 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:56,613 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1] [2019-01-07 18:18:56,614 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:56,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:56,614 INFO L82 PathProgramCache]: Analyzing trace with hash -175395819, now seen corresponding path program 4 times [2019-01-07 18:18:56,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:56,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:56,616 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:18:56,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:56,616 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:56,877 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 [2019-01-07 18:18:56,879 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 [2019-01-07 18:18:56,881 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 [2019-01-07 18:18:56,882 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 [2019-01-07 18:18:56,884 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 [2019-01-07 18:18:56,886 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 [2019-01-07 18:18:56,887 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 [2019-01-07 18:18:56,889 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 [2019-01-07 18:18:56,890 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 [2019-01-07 18:18:56,891 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-01-07 18:18:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:56,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:56,893 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:18:56,893 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:18:56,893 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:18:56,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:56,894 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 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 [2019-01-07 18:18:56,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:18:56,903 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:18:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:56,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:18:57,272 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 [2019-01-07 18:18:57,277 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:18:57,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:18:57,286 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:18:57,289 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:18:57,289 WARN L385 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)) [2019-01-07 18:18:57,290 WARN L386 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)) [2019-01-07 18:18:57,343 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 [2019-01-07 18:18:57,344 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 [2019-01-07 18:18:57,346 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 [2019-01-07 18:18:57,369 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 [2019-01-07 18:18:57,386 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 [2019-01-07 18:18:57,401 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 [2019-01-07 18:18:57,416 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 [2019-01-07 18:18:57,431 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 [2019-01-07 18:18:57,440 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 [2019-01-07 18:18:57,441 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-01-07 18:18:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:57,442 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:18:57,505 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 [2019-01-07 18:18:57,507 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:18:57,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:18:57,511 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:18:57,514 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:18:57,514 WARN L385 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))))) [2019-01-07 18:18:57,514 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:18:57,576 INFO L273 TraceCheckUtils]: 9: Hoare triple {450#false} assume !false; {450#false} is VALID [2019-01-07 18:18:57,577 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 [2019-01-07 18:18:57,579 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 [2019-01-07 18:18:57,580 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 [2019-01-07 18:18:57,581 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 [2019-01-07 18:18:57,582 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 [2019-01-07 18:18:57,584 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 [2019-01-07 18:18:57,585 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 [2019-01-07 18:18:57,586 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 [2019-01-07 18:18:57,588 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 [2019-01-07 18:18:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:57,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:18:57,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2019-01-07 18:18:57,617 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:18:57,618 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2019-01-07 18:18:57,618 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:18:57,618 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2019-01-07 18:18:57,645 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:57,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-07 18:18:57,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-07 18:18:57,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-01-07 18:18:57,646 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 16 states. [2019-01-07 18:18:58,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:58,604 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-01-07 18:18:58,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-07 18:18:58,605 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2019-01-07 18:18:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:18:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-07 18:18:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-01-07 18:18:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-07 18:18:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-01-07 18:18:58,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 18 transitions. [2019-01-07 18:18:58,644 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:58,645 INFO L225 Difference]: With dead ends: 18 [2019-01-07 18:18:58,645 INFO L226 Difference]: Without dead ends: 12 [2019-01-07 18:18:58,647 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 [2019-01-07 18:18:58,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-07 18:18:58,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-07 18:18:58,753 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:18:58,754 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2019-01-07 18:18:58,754 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2019-01-07 18:18:58,754 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2019-01-07 18:18:58,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:58,756 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-01-07 18:18:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-01-07 18:18:58,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:58,757 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:58,757 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2019-01-07 18:18:58,757 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2019-01-07 18:18:58,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:58,759 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2019-01-07 18:18:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-01-07 18:18:58,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:58,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:58,759 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:18:58,760 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:18:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-07 18:18:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-01-07 18:18:58,761 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2019-01-07 18:18:58,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:18:58,761 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-01-07 18:18:58,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-07 18:18:58,762 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-01-07 18:18:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-07 18:18:58,762 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:58,762 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1] [2019-01-07 18:18:58,763 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:58,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:58,763 INFO L82 PathProgramCache]: Analyzing trace with hash 375043724, now seen corresponding path program 5 times [2019-01-07 18:18:58,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:58,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:58,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:18:58,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:58,764 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:58,926 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 [2019-01-07 18:18:58,927 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 [2019-01-07 18:18:58,928 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 [2019-01-07 18:18:58,929 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 [2019-01-07 18:18:58,931 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 [2019-01-07 18:18:58,936 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 [2019-01-07 18:18:58,937 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 [2019-01-07 18:18:58,944 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 [2019-01-07 18:18:58,945 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 [2019-01-07 18:18:58,946 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 [2019-01-07 18:18:58,946 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-01-07 18:18:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:58,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:58,947 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:18:58,947 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:18:58,947 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:18:58,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:58,947 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 [2019-01-07 18:18:58,957 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:18:58,958 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:18:58,999 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-01-07 18:18:58,999 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:18:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:59,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:18:59,090 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 [2019-01-07 18:18:59,092 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 [2019-01-07 18:18:59,093 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 [2019-01-07 18:18:59,095 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 [2019-01-07 18:18:59,096 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 [2019-01-07 18:18:59,097 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 [2019-01-07 18:18:59,098 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 [2019-01-07 18:18:59,099 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 [2019-01-07 18:18:59,101 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 [2019-01-07 18:18:59,117 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 [2019-01-07 18:18:59,117 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-01-07 18:18:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:59,118 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:18:59,221 INFO L273 TraceCheckUtils]: 10: Hoare triple {613#false} assume !false; {613#false} is VALID [2019-01-07 18:18:59,222 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 [2019-01-07 18:18:59,223 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 [2019-01-07 18:18:59,224 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 [2019-01-07 18:18:59,227 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 [2019-01-07 18:18:59,228 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 [2019-01-07 18:18:59,229 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 [2019-01-07 18:18:59,229 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 [2019-01-07 18:18:59,230 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 [2019-01-07 18:18:59,231 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 [2019-01-07 18:18:59,232 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 [2019-01-07 18:18:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:59,253 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:18:59,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2019-01-07 18:18:59,254 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:18:59,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-01-07 18:18:59,254 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:18:59,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2019-01-07 18:18:59,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:59,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-07 18:18:59,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-07 18:18:59,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-07 18:18:59,274 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 7 states. [2019-01-07 18:18:59,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:59,486 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-07 18:18:59,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-07 18:18:59,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-01-07 18:18:59,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:18:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-07 18:18:59,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-01-07 18:18:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-07 18:18:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-01-07 18:18:59,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 16 transitions. [2019-01-07 18:18:59,509 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:18:59,510 INFO L225 Difference]: With dead ends: 15 [2019-01-07 18:18:59,510 INFO L226 Difference]: Without dead ends: 13 [2019-01-07 18:18:59,511 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 [2019-01-07 18:18:59,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-07 18:18:59,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-01-07 18:18:59,613 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:18:59,613 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2019-01-07 18:18:59,613 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2019-01-07 18:18:59,613 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2019-01-07 18:18:59,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:59,615 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-01-07 18:18:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-01-07 18:18:59,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:59,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:59,616 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2019-01-07 18:18:59,616 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2019-01-07 18:18:59,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:18:59,617 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-01-07 18:18:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-01-07 18:18:59,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:18:59,617 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:18:59,617 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:18:59,618 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:18:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-07 18:18:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-01-07 18:18:59,618 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2019-01-07 18:18:59,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:18:59,619 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-01-07 18:18:59,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-07 18:18:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-01-07 18:18:59,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-07 18:18:59,619 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:18:59,619 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1] [2019-01-07 18:18:59,620 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:18:59,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:18:59,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1258544630, now seen corresponding path program 6 times [2019-01-07 18:18:59,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:18:59,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:59,621 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:18:59,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:18:59,621 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:18:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:59,929 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 [2019-01-07 18:18:59,931 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 [2019-01-07 18:18:59,932 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 [2019-01-07 18:18:59,933 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 [2019-01-07 18:18:59,934 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 [2019-01-07 18:18:59,935 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 [2019-01-07 18:18:59,937 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 [2019-01-07 18:18:59,938 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 [2019-01-07 18:18:59,939 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 [2019-01-07 18:18:59,941 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 [2019-01-07 18:18:59,942 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 [2019-01-07 18:18:59,942 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-01-07 18:18:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:18:59,944 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:59,944 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:18:59,944 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:18:59,944 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:18:59,944 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:18:59,945 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 [2019-01-07 18:18:59,955 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:18:59,955 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:18:59,964 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:18:59,965 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:18:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:18:59,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:00,162 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 [2019-01-07 18:19:00,166 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:00,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:00,176 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:19:00,177 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:00,178 WARN L385 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)) [2019-01-07 18:19:00,178 WARN L386 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)) [2019-01-07 18:19:00,253 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 [2019-01-07 18:19:00,253 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 [2019-01-07 18:19:00,254 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 [2019-01-07 18:19:00,254 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 [2019-01-07 18:19:00,254 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 [2019-01-07 18:19:00,258 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 [2019-01-07 18:19:00,259 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 [2019-01-07 18:19:00,260 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 [2019-01-07 18:19:00,260 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 [2019-01-07 18:19:00,262 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 [2019-01-07 18:19:00,263 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 [2019-01-07 18:19:00,264 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-01-07 18:19:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-01-07 18:19:00,265 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:00,408 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 [2019-01-07 18:19:00,412 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:00,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:00,433 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:19:00,435 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:00,435 WARN L385 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)) [2019-01-07 18:19:00,435 WARN L386 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)) [2019-01-07 18:19:00,646 INFO L273 TraceCheckUtils]: 11: Hoare triple {767#false} assume !false; {767#false} is VALID [2019-01-07 18:19:00,648 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 [2019-01-07 18:19:00,649 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 [2019-01-07 18:19:00,650 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 [2019-01-07 18:19:00,651 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 [2019-01-07 18:19:00,653 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 [2019-01-07 18:19:00,654 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 [2019-01-07 18:19:00,654 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 [2019-01-07 18:19:00,655 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 [2019-01-07 18:19:00,655 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 [2019-01-07 18:19:00,655 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 [2019-01-07 18:19:00,655 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 [2019-01-07 18:19:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-01-07 18:19:00,676 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:00,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 22 [2019-01-07 18:19:00,676 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:00,677 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2019-01-07 18:19:00,677 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:00,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2019-01-07 18:19:00,696 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:00,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-07 18:19:00,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-07 18:19:00,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2019-01-07 18:19:00,698 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 17 states. [2019-01-07 18:19:02,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:02,016 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-01-07 18:19:02,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-01-07 18:19:02,016 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 12 [2019-01-07 18:19:02,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 18:19:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2019-01-07 18:19:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 18:19:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2019-01-07 18:19:02,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 27 transitions. [2019-01-07 18:19:02,064 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:02,065 INFO L225 Difference]: With dead ends: 23 [2019-01-07 18:19:02,065 INFO L226 Difference]: Without dead ends: 15 [2019-01-07 18:19:02,066 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2019-01-07 18:19:02,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-07 18:19:02,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-01-07 18:19:02,240 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:02,240 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2019-01-07 18:19:02,240 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2019-01-07 18:19:02,240 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2019-01-07 18:19:02,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:02,242 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-07 18:19:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-01-07 18:19:02,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:02,243 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:02,243 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2019-01-07 18:19:02,243 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2019-01-07 18:19:02,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:02,244 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-07 18:19:02,244 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-01-07 18:19:02,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:02,245 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:02,245 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:02,245 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-07 18:19:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-01-07 18:19:02,246 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2019-01-07 18:19:02,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:02,247 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-01-07 18:19:02,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-07 18:19:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-01-07 18:19:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-07 18:19:02,247 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:02,247 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1] [2019-01-07 18:19:02,248 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:02,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:02,248 INFO L82 PathProgramCache]: Analyzing trace with hash -400886667, now seen corresponding path program 7 times [2019-01-07 18:19:02,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:02,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:02,249 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:02,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:02,250 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:02,610 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 [2019-01-07 18:19:02,611 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 [2019-01-07 18:19:02,612 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 [2019-01-07 18:19:02,613 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 [2019-01-07 18:19:02,615 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 [2019-01-07 18:19:02,617 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 [2019-01-07 18:19:02,619 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 [2019-01-07 18:19:02,620 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 [2019-01-07 18:19:02,621 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 [2019-01-07 18:19:02,621 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 [2019-01-07 18:19:02,622 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 [2019-01-07 18:19:02,623 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 [2019-01-07 18:19:02,624 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 [2019-01-07 18:19:02,624 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-01-07 18:19:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:02,626 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:02,626 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:02,626 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:02,627 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:02,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:02,627 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 [2019-01-07 18:19:02,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:02,636 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:19:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:02,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:02,923 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 [2019-01-07 18:19:02,925 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:02,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:02,930 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:19:02,933 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:02,933 WARN L385 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)) [2019-01-07 18:19:02,933 WARN L386 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))) [2019-01-07 18:19:02,970 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 [2019-01-07 18:19:02,971 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 [2019-01-07 18:19:02,972 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 [2019-01-07 18:19:02,973 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 [2019-01-07 18:19:02,973 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 [2019-01-07 18:19:02,974 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 [2019-01-07 18:19:02,975 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 [2019-01-07 18:19:02,978 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 [2019-01-07 18:19:02,979 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 [2019-01-07 18:19:02,979 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 [2019-01-07 18:19:02,980 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 [2019-01-07 18:19:02,981 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 [2019-01-07 18:19:02,981 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 [2019-01-07 18:19:02,982 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-01-07 18:19:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:02,983 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:03,017 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 [2019-01-07 18:19:03,037 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:03,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:03,042 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:19:03,044 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:03,044 WARN L385 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))))) [2019-01-07 18:19:03,044 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:19:03,139 INFO L273 TraceCheckUtils]: 13: Hoare triple {976#false} assume !false; {976#false} is VALID [2019-01-07 18:19:03,140 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 [2019-01-07 18:19:03,141 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 [2019-01-07 18:19:03,142 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 [2019-01-07 18:19:03,142 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 [2019-01-07 18:19:03,143 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 [2019-01-07 18:19:03,150 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 [2019-01-07 18:19:03,151 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 [2019-01-07 18:19:03,152 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 [2019-01-07 18:19:03,153 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 [2019-01-07 18:19:03,153 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 [2019-01-07 18:19:03,154 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 [2019-01-07 18:19:03,155 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 [2019-01-07 18:19:03,156 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 [2019-01-07 18:19:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:03,178 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:03,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 21 [2019-01-07 18:19:03,178 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:03,179 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2019-01-07 18:19:03,179 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:03,179 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2019-01-07 18:19:03,205 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:03,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-01-07 18:19:03,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-01-07 18:19:03,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2019-01-07 18:19:03,207 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 22 states. [2019-01-07 18:19:04,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:04,608 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-01-07 18:19:04,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-01-07 18:19:04,608 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 14 [2019-01-07 18:19:04,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:04,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-07 18:19:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-01-07 18:19:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-07 18:19:04,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-01-07 18:19:04,611 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 22 transitions. [2019-01-07 18:19:04,644 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:04,644 INFO L225 Difference]: With dead ends: 24 [2019-01-07 18:19:04,645 INFO L226 Difference]: Without dead ends: 16 [2019-01-07 18:19:04,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=740, Unknown=0, NotChecked=0, Total=870 [2019-01-07 18:19:04,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-07 18:19:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-07 18:19:04,755 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:04,755 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2019-01-07 18:19:04,756 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2019-01-07 18:19:04,756 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2019-01-07 18:19:04,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:04,757 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-07 18:19:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-07 18:19:04,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:04,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:04,758 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2019-01-07 18:19:04,758 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2019-01-07 18:19:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:04,760 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-07 18:19:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-07 18:19:04,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:04,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:04,760 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:04,761 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-07 18:19:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-01-07 18:19:04,762 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2019-01-07 18:19:04,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:04,762 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-01-07 18:19:04,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-01-07 18:19:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-07 18:19:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-07 18:19:04,763 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:04,763 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1] [2019-01-07 18:19:04,763 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:04,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:04,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1662915732, now seen corresponding path program 8 times [2019-01-07 18:19:04,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:04,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:04,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:04,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:04,765 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:04,928 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 [2019-01-07 18:19:04,930 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 [2019-01-07 18:19:04,931 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 [2019-01-07 18:19:04,932 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 [2019-01-07 18:19:04,939 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 [2019-01-07 18:19:04,940 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 [2019-01-07 18:19:04,941 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 [2019-01-07 18:19:04,942 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 [2019-01-07 18:19:04,942 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 [2019-01-07 18:19:04,943 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 [2019-01-07 18:19:04,944 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 [2019-01-07 18:19:04,945 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 [2019-01-07 18:19:04,946 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 [2019-01-07 18:19:04,947 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 [2019-01-07 18:19:04,947 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-01-07 18:19:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:04,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:04,949 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:04,949 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:04,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:04,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:04,950 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 [2019-01-07 18:19:04,962 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:19:04,962 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:19:05,025 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-01-07 18:19:05,025 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:05,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:05,453 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 [2019-01-07 18:19:05,454 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 [2019-01-07 18:19:05,454 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 [2019-01-07 18:19:05,456 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 [2019-01-07 18:19:05,458 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 [2019-01-07 18:19:05,459 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 [2019-01-07 18:19:05,460 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 [2019-01-07 18:19:05,460 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 [2019-01-07 18:19:05,462 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 [2019-01-07 18:19:05,463 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 [2019-01-07 18:19:05,465 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 [2019-01-07 18:19:05,467 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 [2019-01-07 18:19:05,470 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 [2019-01-07 18:19:05,470 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 [2019-01-07 18:19:05,470 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-01-07 18:19:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:05,471 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:05,784 INFO L273 TraceCheckUtils]: 14: Hoare triple {1201#false} assume !false; {1201#false} is VALID [2019-01-07 18:19:05,785 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 [2019-01-07 18:19:05,786 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 [2019-01-07 18:19:05,786 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 [2019-01-07 18:19:05,787 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 [2019-01-07 18:19:05,788 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 [2019-01-07 18:19:05,789 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 [2019-01-07 18:19:05,792 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 [2019-01-07 18:19:05,793 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 [2019-01-07 18:19:05,794 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 [2019-01-07 18:19:05,795 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 [2019-01-07 18:19:05,797 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 [2019-01-07 18:19:05,801 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 [2019-01-07 18:19:05,803 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 [2019-01-07 18:19:05,821 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 [2019-01-07 18:19:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:05,841 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:05,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2019-01-07 18:19:05,841 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:05,841 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-01-07 18:19:05,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:05,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2019-01-07 18:19:05,869 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:05,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-07 18:19:05,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-07 18:19:05,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-07 18:19:05,871 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 9 states. [2019-01-07 18:19:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:06,183 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-07 18:19:06,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-07 18:19:06,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-01-07 18:19:06,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-07 18:19:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-01-07 18:19:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-07 18:19:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-01-07 18:19:06,186 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 20 transitions. [2019-01-07 18:19:06,217 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:06,218 INFO L225 Difference]: With dead ends: 19 [2019-01-07 18:19:06,218 INFO L226 Difference]: Without dead ends: 17 [2019-01-07 18:19:06,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 12 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2019-01-07 18:19:06,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-07 18:19:06,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-07 18:19:06,356 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:06,356 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2019-01-07 18:19:06,356 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-01-07 18:19:06,356 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-01-07 18:19:06,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:06,358 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-01-07 18:19:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-07 18:19:06,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:06,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:06,359 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2019-01-07 18:19:06,359 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2019-01-07 18:19:06,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:06,360 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-01-07 18:19:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-07 18:19:06,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:06,360 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:06,361 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:06,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 18:19:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-01-07 18:19:06,361 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 15 [2019-01-07 18:19:06,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:06,362 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-01-07 18:19:06,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-07 18:19:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-07 18:19:06,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-07 18:19:06,363 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:06,363 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1] [2019-01-07 18:19:06,363 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:06,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:06,363 INFO L82 PathProgramCache]: Analyzing trace with hash -10778326, now seen corresponding path program 9 times [2019-01-07 18:19:06,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:06,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:06,364 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:06,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:06,364 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:06,692 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 [2019-01-07 18:19:06,693 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 [2019-01-07 18:19:06,694 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 [2019-01-07 18:19:06,695 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 [2019-01-07 18:19:06,696 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 [2019-01-07 18:19:06,698 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 [2019-01-07 18:19:06,699 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 [2019-01-07 18:19:06,700 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 [2019-01-07 18:19:06,702 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 [2019-01-07 18:19:06,703 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 [2019-01-07 18:19:06,704 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 [2019-01-07 18:19:06,706 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 [2019-01-07 18:19:06,707 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 [2019-01-07 18:19:06,708 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 [2019-01-07 18:19:06,709 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 [2019-01-07 18:19:06,710 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-01-07 18:19:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:06,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:06,711 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:06,711 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:06,711 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:06,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:06,712 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 [2019-01-07 18:19:06,722 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:19:06,722 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:19:06,734 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:19:06,735 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:06,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:06,952 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 [2019-01-07 18:19:06,954 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:06,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:06,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:19:06,999 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:06,999 WARN L385 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))) [2019-01-07 18:19:06,999 WARN L386 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))) [2019-01-07 18:19:07,042 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 [2019-01-07 18:19:07,042 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 [2019-01-07 18:19:07,042 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 [2019-01-07 18:19:07,042 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 [2019-01-07 18:19:07,042 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 [2019-01-07 18:19:07,042 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 [2019-01-07 18:19:07,043 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 [2019-01-07 18:19:07,050 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 [2019-01-07 18:19:07,051 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 [2019-01-07 18:19:07,052 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 [2019-01-07 18:19:07,053 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 [2019-01-07 18:19:07,054 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 [2019-01-07 18:19:07,055 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 [2019-01-07 18:19:07,056 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 [2019-01-07 18:19:07,058 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 [2019-01-07 18:19:07,058 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-01-07 18:19:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-01-07 18:19:07,059 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:07,146 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 [2019-01-07 18:19:07,148 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:07,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:07,160 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:19:07,391 INFO L273 TraceCheckUtils]: 15: Hoare triple {1409#false} assume !false; {1409#false} is VALID [2019-01-07 18:19:07,392 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 [2019-01-07 18:19:07,393 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 [2019-01-07 18:19:07,394 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 [2019-01-07 18:19:07,394 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 [2019-01-07 18:19:07,395 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 [2019-01-07 18:19:07,397 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 [2019-01-07 18:19:07,398 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 [2019-01-07 18:19:07,399 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 [2019-01-07 18:19:07,400 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 [2019-01-07 18:19:07,400 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 [2019-01-07 18:19:07,400 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 [2019-01-07 18:19:07,400 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 [2019-01-07 18:19:07,401 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 [2019-01-07 18:19:07,401 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 [2019-01-07 18:19:07,401 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 [2019-01-07 18:19:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-01-07 18:19:07,421 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:07,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2019-01-07 18:19:07,421 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:07,422 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2019-01-07 18:19:07,422 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:07,422 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2019-01-07 18:19:07,447 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:07,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-01-07 18:19:07,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-01-07 18:19:07,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2019-01-07 18:19:07,449 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 23 states. [2019-01-07 18:19:09,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:09,183 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2019-01-07 18:19:09,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-01-07 18:19:09,183 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 16 [2019-01-07 18:19:09,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-07 18:19:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-01-07 18:19:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-07 18:19:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-01-07 18:19:09,186 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 33 transitions. [2019-01-07 18:19:09,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:09,229 INFO L225 Difference]: With dead ends: 29 [2019-01-07 18:19:09,229 INFO L226 Difference]: Without dead ends: 19 [2019-01-07 18:19:09,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=277, Invalid=1363, Unknown=0, NotChecked=0, Total=1640 [2019-01-07 18:19:09,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-01-07 18:19:09,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-01-07 18:19:09,363 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:09,363 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2019-01-07 18:19:09,364 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2019-01-07 18:19:09,364 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2019-01-07 18:19:09,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:09,365 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-07 18:19:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-07 18:19:09,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:09,366 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:09,366 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2019-01-07 18:19:09,366 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2019-01-07 18:19:09,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:09,367 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-07 18:19:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-07 18:19:09,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:09,368 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:09,368 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:09,368 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-07 18:19:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-01-07 18:19:09,369 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2019-01-07 18:19:09,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:09,369 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-01-07 18:19:09,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-01-07 18:19:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-07 18:19:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-07 18:19:09,370 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:09,370 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1] [2019-01-07 18:19:09,370 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:09,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:09,370 INFO L82 PathProgramCache]: Analyzing trace with hash 701707477, now seen corresponding path program 10 times [2019-01-07 18:19:09,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:09,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:09,371 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:09,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:09,372 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:09,758 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 [2019-01-07 18:19:09,759 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 [2019-01-07 18:19:09,762 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 [2019-01-07 18:19:09,764 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 [2019-01-07 18:19:09,765 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 [2019-01-07 18:19:09,766 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 [2019-01-07 18:19:09,767 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 [2019-01-07 18:19:09,768 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 [2019-01-07 18:19:09,769 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 [2019-01-07 18:19:09,771 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 [2019-01-07 18:19:09,772 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 [2019-01-07 18:19:09,773 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 [2019-01-07 18:19:09,774 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 [2019-01-07 18:19:09,775 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 [2019-01-07 18:19:09,776 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 [2019-01-07 18:19:09,777 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 [2019-01-07 18:19:09,779 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 [2019-01-07 18:19:09,779 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-01-07 18:19:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:09,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:09,781 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:09,781 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:09,781 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:09,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:09,781 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 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 [2019-01-07 18:19:09,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:09,792 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:19:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:09,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:10,267 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 [2019-01-07 18:19:10,269 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:10,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:10,275 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:19:10,277 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:10,277 WARN L385 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)) [2019-01-07 18:19:10,277 WARN L386 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)) [2019-01-07 18:19:10,331 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 [2019-01-07 18:19:10,331 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 [2019-01-07 18:19:10,333 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 [2019-01-07 18:19:10,334 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 [2019-01-07 18:19:10,335 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 [2019-01-07 18:19:10,336 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 [2019-01-07 18:19:10,337 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 [2019-01-07 18:19:10,338 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 [2019-01-07 18:19:10,340 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 [2019-01-07 18:19:10,341 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 [2019-01-07 18:19:10,342 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 [2019-01-07 18:19:10,344 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 [2019-01-07 18:19:10,346 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 [2019-01-07 18:19:10,347 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 [2019-01-07 18:19:10,348 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 [2019-01-07 18:19:10,348 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 [2019-01-07 18:19:10,350 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 [2019-01-07 18:19:10,350 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-01-07 18:19:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:10,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:10,404 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 [2019-01-07 18:19:10,406 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:10,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:10,411 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:19:10,413 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:10,413 WARN L385 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))))) [2019-01-07 18:19:10,413 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:19:10,699 INFO L273 TraceCheckUtils]: 17: Hoare triple {1682#false} assume !false; {1682#false} is VALID [2019-01-07 18:19:10,701 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 [2019-01-07 18:19:10,701 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 [2019-01-07 18:19:10,703 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 [2019-01-07 18:19:10,704 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 [2019-01-07 18:19:10,705 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 [2019-01-07 18:19:10,706 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 [2019-01-07 18:19:10,711 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 [2019-01-07 18:19:10,711 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 [2019-01-07 18:19:10,713 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 [2019-01-07 18:19:10,713 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 [2019-01-07 18:19:10,714 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 [2019-01-07 18:19:10,715 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 [2019-01-07 18:19:10,717 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 [2019-01-07 18:19:10,718 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 [2019-01-07 18:19:10,719 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 [2019-01-07 18:19:10,720 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 [2019-01-07 18:19:10,725 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 [2019-01-07 18:19:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:10,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:10,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2019-01-07 18:19:10,746 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:10,746 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2019-01-07 18:19:10,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:10,746 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2019-01-07 18:19:10,778 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:10,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-01-07 18:19:10,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-01-07 18:19:10,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2019-01-07 18:19:10,779 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 28 states. [2019-01-07 18:19:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:12,640 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-01-07 18:19:12,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-07 18:19:12,640 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 18 [2019-01-07 18:19:12,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-01-07 18:19:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-01-07 18:19:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-01-07 18:19:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-01-07 18:19:12,643 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 26 transitions. [2019-01-07 18:19:12,672 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:12,673 INFO L225 Difference]: With dead ends: 30 [2019-01-07 18:19:12,673 INFO L226 Difference]: Without dead ends: 20 [2019-01-07 18:19:12,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=168, Invalid=1238, Unknown=0, NotChecked=0, Total=1406 [2019-01-07 18:19:12,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-07 18:19:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-07 18:19:12,803 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:12,803 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 20 states. [2019-01-07 18:19:12,804 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2019-01-07 18:19:12,804 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2019-01-07 18:19:12,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:12,805 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-01-07 18:19:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-07 18:19:12,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:12,806 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:12,806 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2019-01-07 18:19:12,806 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2019-01-07 18:19:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:12,807 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-01-07 18:19:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-07 18:19:12,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:12,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:12,808 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:12,808 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:12,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-07 18:19:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-01-07 18:19:12,809 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 18 [2019-01-07 18:19:12,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:12,809 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-01-07 18:19:12,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-01-07 18:19:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-07 18:19:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-07 18:19:12,810 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:12,810 INFO L402 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1, 1] [2019-01-07 18:19:12,810 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:12,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1547184052, now seen corresponding path program 11 times [2019-01-07 18:19:12,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:12,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:12,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:12,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:12,812 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:13,002 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 [2019-01-07 18:19:13,003 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 [2019-01-07 18:19:13,004 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 [2019-01-07 18:19:13,005 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 [2019-01-07 18:19:13,006 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 [2019-01-07 18:19:13,007 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 [2019-01-07 18:19:13,008 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 [2019-01-07 18:19:13,009 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 [2019-01-07 18:19:13,010 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 [2019-01-07 18:19:13,011 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 [2019-01-07 18:19:13,012 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 [2019-01-07 18:19:13,013 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 [2019-01-07 18:19:13,014 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 [2019-01-07 18:19:13,015 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 [2019-01-07 18:19:13,016 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 [2019-01-07 18:19:13,017 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 [2019-01-07 18:19:13,018 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 [2019-01-07 18:19:13,018 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 [2019-01-07 18:19:13,019 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-01-07 18:19:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:13,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:13,020 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:13,021 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:13,021 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:13,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:13,021 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 [2019-01-07 18:19:13,031 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:19:13,031 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:19:13,052 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-01-07 18:19:13,053 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:13,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:13,171 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 [2019-01-07 18:19:13,173 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 [2019-01-07 18:19:13,174 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 [2019-01-07 18:19:13,175 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 [2019-01-07 18:19:13,180 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 [2019-01-07 18:19:13,182 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 [2019-01-07 18:19:13,183 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 [2019-01-07 18:19:13,184 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 [2019-01-07 18:19:13,184 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 [2019-01-07 18:19:13,185 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 [2019-01-07 18:19:13,186 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 [2019-01-07 18:19:13,187 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 [2019-01-07 18:19:13,188 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 [2019-01-07 18:19:13,189 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 [2019-01-07 18:19:13,190 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 [2019-01-07 18:19:13,191 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 [2019-01-07 18:19:13,192 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 [2019-01-07 18:19:13,193 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 [2019-01-07 18:19:13,193 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-01-07 18:19:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:13,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:13,375 INFO L273 TraceCheckUtils]: 18: Hoare triple {1969#false} assume !false; {1969#false} is VALID [2019-01-07 18:19:13,379 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 [2019-01-07 18:19:13,380 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 [2019-01-07 18:19:13,380 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 [2019-01-07 18:19:13,381 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 [2019-01-07 18:19:13,382 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 [2019-01-07 18:19:13,382 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 [2019-01-07 18:19:13,383 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 [2019-01-07 18:19:13,383 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 [2019-01-07 18:19:13,386 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 [2019-01-07 18:19:13,387 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 [2019-01-07 18:19:13,388 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 [2019-01-07 18:19:13,388 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 [2019-01-07 18:19:13,389 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 [2019-01-07 18:19:13,390 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 [2019-01-07 18:19:13,391 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 [2019-01-07 18:19:13,392 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 [2019-01-07 18:19:13,393 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 [2019-01-07 18:19:13,394 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 [2019-01-07 18:19:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:13,415 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:13,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 10 [2019-01-07 18:19:13,415 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:13,415 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-01-07 18:19:13,416 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:13,416 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2019-01-07 18:19:13,436 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:13,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-07 18:19:13,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-07 18:19:13,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-01-07 18:19:13,437 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 11 states. [2019-01-07 18:19:14,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:14,096 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-07 18:19:14,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-07 18:19:14,096 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-01-07 18:19:14,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-07 18:19:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-01-07 18:19:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-07 18:19:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-01-07 18:19:14,098 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 24 transitions. [2019-01-07 18:19:14,119 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:14,120 INFO L225 Difference]: With dead ends: 23 [2019-01-07 18:19:14,120 INFO L226 Difference]: Without dead ends: 21 [2019-01-07 18:19:14,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 29 SyntacticMatches, 16 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2019-01-07 18:19:14,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-07 18:19:14,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-07 18:19:14,273 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:14,273 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2019-01-07 18:19:14,273 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2019-01-07 18:19:14,273 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2019-01-07 18:19:14,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:14,274 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-07 18:19:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-07 18:19:14,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:14,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:14,275 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2019-01-07 18:19:14,275 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2019-01-07 18:19:14,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:14,275 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-07 18:19:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-07 18:19:14,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:14,276 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:14,276 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:14,276 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-07 18:19:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-07 18:19:14,276 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2019-01-07 18:19:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:14,277 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-07 18:19:14,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-07 18:19:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-07 18:19:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-07 18:19:14,277 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:14,277 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1] [2019-01-07 18:19:14,277 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:14,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:14,278 INFO L82 PathProgramCache]: Analyzing trace with hash -718063542, now seen corresponding path program 12 times [2019-01-07 18:19:14,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:14,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:14,278 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:14,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:14,279 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:14,700 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 [2019-01-07 18:19:14,702 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 [2019-01-07 18:19:14,703 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 [2019-01-07 18:19:14,704 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 [2019-01-07 18:19:14,716 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 [2019-01-07 18:19:14,717 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 [2019-01-07 18:19:14,718 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 [2019-01-07 18:19:14,718 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 [2019-01-07 18:19:14,719 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 [2019-01-07 18:19:14,721 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 [2019-01-07 18:19:14,722 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 [2019-01-07 18:19:14,723 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 [2019-01-07 18:19:14,724 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 [2019-01-07 18:19:14,725 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 [2019-01-07 18:19:14,726 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 [2019-01-07 18:19:14,727 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 [2019-01-07 18:19:14,728 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 [2019-01-07 18:19:14,729 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 [2019-01-07 18:19:14,730 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 [2019-01-07 18:19:14,731 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-01-07 18:19:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:14,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:14,732 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:14,732 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:14,733 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:14,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:14,733 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 [2019-01-07 18:19:14,741 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:19:14,741 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:19:14,755 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:19:14,756 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:14,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:15,040 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 [2019-01-07 18:19:15,041 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:15,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:15,048 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:19:15,050 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:15,051 WARN L385 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))) [2019-01-07 18:19:15,051 WARN L386 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))) [2019-01-07 18:19:15,095 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 [2019-01-07 18:19:15,095 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 [2019-01-07 18:19:15,096 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 [2019-01-07 18:19:15,096 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 [2019-01-07 18:19:15,096 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 [2019-01-07 18:19:15,096 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 [2019-01-07 18:19:15,096 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 [2019-01-07 18:19:15,097 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 [2019-01-07 18:19:15,097 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 [2019-01-07 18:19:15,097 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 [2019-01-07 18:19:15,098 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 [2019-01-07 18:19:15,099 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 [2019-01-07 18:19:15,099 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 [2019-01-07 18:19:15,100 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 [2019-01-07 18:19:15,101 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 [2019-01-07 18:19:15,102 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 [2019-01-07 18:19:15,103 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 [2019-01-07 18:19:15,104 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 [2019-01-07 18:19:15,105 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 [2019-01-07 18:19:15,106 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-01-07 18:19:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-01-07 18:19:15,107 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:15,255 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 [2019-01-07 18:19:15,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:15,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:15,268 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:19:15,271 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:15,271 WARN L385 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)) [2019-01-07 18:19:15,272 WARN L386 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)) [2019-01-07 18:19:15,878 INFO L273 TraceCheckUtils]: 19: Hoare triple {2231#false} assume !false; {2231#false} is VALID [2019-01-07 18:19:15,879 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 [2019-01-07 18:19:15,880 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 [2019-01-07 18:19:15,881 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 [2019-01-07 18:19:15,881 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 [2019-01-07 18:19:15,882 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 [2019-01-07 18:19:15,884 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 [2019-01-07 18:19:15,885 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 [2019-01-07 18:19:15,886 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 [2019-01-07 18:19:15,887 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 [2019-01-07 18:19:15,888 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 [2019-01-07 18:19:15,889 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 [2019-01-07 18:19:15,889 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 [2019-01-07 18:19:15,889 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 [2019-01-07 18:19:15,889 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 [2019-01-07 18:19:15,889 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 [2019-01-07 18:19:15,890 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 [2019-01-07 18:19:15,890 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 [2019-01-07 18:19:15,890 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 [2019-01-07 18:19:15,890 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 [2019-01-07 18:19:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-01-07 18:19:15,910 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:15,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 11] total 38 [2019-01-07 18:19:15,910 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:15,910 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2019-01-07 18:19:15,910 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:15,911 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2019-01-07 18:19:15,943 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:15,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-01-07 18:19:15,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-01-07 18:19:15,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1188, Unknown=0, NotChecked=0, Total=1406 [2019-01-07 18:19:15,945 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 29 states. [2019-01-07 18:19:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:18,449 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2019-01-07 18:19:18,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-01-07 18:19:18,449 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 20 [2019-01-07 18:19:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:18,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-07 18:19:18,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2019-01-07 18:19:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-07 18:19:18,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2019-01-07 18:19:18,454 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 39 transitions. [2019-01-07 18:19:18,504 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:18,505 INFO L225 Difference]: With dead ends: 35 [2019-01-07 18:19:18,505 INFO L226 Difference]: Without dead ends: 23 [2019-01-07 18:19:18,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=403, Invalid=2147, Unknown=0, NotChecked=0, Total=2550 [2019-01-07 18:19:18,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-01-07 18:19:18,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-01-07 18:19:18,677 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:18,677 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2019-01-07 18:19:18,678 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2019-01-07 18:19:18,678 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2019-01-07 18:19:18,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:18,679 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-07 18:19:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-07 18:19:18,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:18,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:18,680 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2019-01-07 18:19:18,681 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2019-01-07 18:19:18,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:18,681 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-07 18:19:18,681 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-07 18:19:18,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:18,682 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:18,682 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:18,682 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-07 18:19:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-01-07 18:19:18,683 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2019-01-07 18:19:18,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:18,683 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-01-07 18:19:18,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-01-07 18:19:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-07 18:19:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-07 18:19:18,684 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:18,684 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1] [2019-01-07 18:19:18,684 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:18,684 INFO L82 PathProgramCache]: Analyzing trace with hash -317821643, now seen corresponding path program 13 times [2019-01-07 18:19:18,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:18,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:18,685 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:18,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:18,686 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:19,178 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 [2019-01-07 18:19:19,179 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 [2019-01-07 18:19:19,180 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 [2019-01-07 18:19:19,181 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 [2019-01-07 18:19:19,182 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 [2019-01-07 18:19:19,184 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 [2019-01-07 18:19:19,185 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 [2019-01-07 18:19:19,186 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 [2019-01-07 18:19:19,187 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 [2019-01-07 18:19:19,188 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 [2019-01-07 18:19:19,189 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 [2019-01-07 18:19:19,190 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 [2019-01-07 18:19:19,191 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 [2019-01-07 18:19:19,192 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 [2019-01-07 18:19:19,193 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 [2019-01-07 18:19:19,194 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 [2019-01-07 18:19:19,195 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 [2019-01-07 18:19:19,197 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 [2019-01-07 18:19:19,198 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 [2019-01-07 18:19:19,199 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 [2019-01-07 18:19:19,200 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 [2019-01-07 18:19:19,200 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-01-07 18:19:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:19,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:19,202 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:19,202 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:19,202 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:19,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:19,203 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 [2019-01-07 18:19:19,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:19,214 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:19:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:19,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:19,707 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 [2019-01-07 18:19:19,709 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:19,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:19,717 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:19:19,719 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:19,719 WARN L385 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)) [2019-01-07 18:19:19,720 WARN L386 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))) [2019-01-07 18:19:19,779 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 [2019-01-07 18:19:19,780 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 [2019-01-07 18:19:19,780 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 [2019-01-07 18:19:19,781 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 [2019-01-07 18:19:19,782 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 [2019-01-07 18:19:19,783 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 [2019-01-07 18:19:19,784 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 [2019-01-07 18:19:19,785 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 [2019-01-07 18:19:19,786 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 [2019-01-07 18:19:19,787 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 [2019-01-07 18:19:19,788 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 [2019-01-07 18:19:19,789 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 [2019-01-07 18:19:19,790 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 [2019-01-07 18:19:19,807 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 [2019-01-07 18:19:19,808 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 [2019-01-07 18:19:19,809 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 [2019-01-07 18:19:19,809 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 [2019-01-07 18:19:19,810 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 [2019-01-07 18:19:19,810 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 [2019-01-07 18:19:19,811 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 [2019-01-07 18:19:19,811 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 [2019-01-07 18:19:19,812 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-01-07 18:19:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:19,814 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:19,902 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 [2019-01-07 18:19:19,903 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:19,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:19,908 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:19:19,910 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:19,910 WARN L385 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))))) [2019-01-07 18:19:19,910 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:19:20,041 INFO L273 TraceCheckUtils]: 21: Hoare triple {2568#false} assume !false; {2568#false} is VALID [2019-01-07 18:19:20,042 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 [2019-01-07 18:19:20,043 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 [2019-01-07 18:19:20,044 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 [2019-01-07 18:19:20,046 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 [2019-01-07 18:19:20,047 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 [2019-01-07 18:19:20,048 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 [2019-01-07 18:19:20,049 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 [2019-01-07 18:19:20,050 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 [2019-01-07 18:19:20,051 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 [2019-01-07 18:19:20,052 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 [2019-01-07 18:19:20,053 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 [2019-01-07 18:19:20,054 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 [2019-01-07 18:19:20,055 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 [2019-01-07 18:19:20,056 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 [2019-01-07 18:19:20,057 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 [2019-01-07 18:19:20,058 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 [2019-01-07 18:19:20,059 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 [2019-01-07 18:19:20,060 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 [2019-01-07 18:19:20,061 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 [2019-01-07 18:19:20,062 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 [2019-01-07 18:19:20,063 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 [2019-01-07 18:19:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:20,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:20,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 33 [2019-01-07 18:19:20,084 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:20,084 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2019-01-07 18:19:20,085 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:20,085 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states. [2019-01-07 18:19:20,122 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:20,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-01-07 18:19:20,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-01-07 18:19:20,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2019-01-07 18:19:20,123 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 34 states. [2019-01-07 18:19:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:22,570 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2019-01-07 18:19:22,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-01-07 18:19:22,570 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 22 [2019-01-07 18:19:22,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-07 18:19:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-01-07 18:19:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-07 18:19:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-01-07 18:19:22,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 30 transitions. [2019-01-07 18:19:22,612 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:22,613 INFO L225 Difference]: With dead ends: 36 [2019-01-07 18:19:22,613 INFO L226 Difference]: Without dead ends: 24 [2019-01-07 18:19:22,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 25 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=206, Invalid=1864, Unknown=0, NotChecked=0, Total=2070 [2019-01-07 18:19:22,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-07 18:19:22,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-01-07 18:19:22,828 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:22,829 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 24 states. [2019-01-07 18:19:22,829 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2019-01-07 18:19:22,829 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2019-01-07 18:19:22,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:22,830 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-01-07 18:19:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-01-07 18:19:22,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:22,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:22,831 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2019-01-07 18:19:22,831 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2019-01-07 18:19:22,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:22,832 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-01-07 18:19:22,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-01-07 18:19:22,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:22,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:22,833 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:22,833 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-01-07 18:19:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-01-07 18:19:22,834 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2019-01-07 18:19:22,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:22,834 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-01-07 18:19:22,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-01-07 18:19:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-01-07 18:19:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-07 18:19:22,835 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:22,835 INFO L402 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1, 1] [2019-01-07 18:19:22,835 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:22,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:22,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1283882284, now seen corresponding path program 14 times [2019-01-07 18:19:22,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:22,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:22,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:22,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:22,836 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:23,253 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 [2019-01-07 18:19:23,254 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 [2019-01-07 18:19:23,254 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 [2019-01-07 18:19:23,255 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 [2019-01-07 18:19:23,256 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 [2019-01-07 18:19:23,257 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 [2019-01-07 18:19:23,258 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 [2019-01-07 18:19:23,259 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 [2019-01-07 18:19:23,260 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 [2019-01-07 18:19:23,262 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 [2019-01-07 18:19:23,263 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 [2019-01-07 18:19:23,264 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 [2019-01-07 18:19:23,265 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 [2019-01-07 18:19:23,265 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 [2019-01-07 18:19:23,266 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 [2019-01-07 18:19:23,267 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 [2019-01-07 18:19:23,268 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 [2019-01-07 18:19:23,269 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 [2019-01-07 18:19:23,270 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 [2019-01-07 18:19:23,271 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 [2019-01-07 18:19:23,272 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 [2019-01-07 18:19:23,273 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 [2019-01-07 18:19:23,273 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-01-07 18:19:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:23,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:23,274 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:23,275 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:23,275 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:23,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:23,275 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 [2019-01-07 18:19:23,287 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:19:23,287 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:19:23,318 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-01-07 18:19:23,319 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:23,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:23,472 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 [2019-01-07 18:19:23,473 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 [2019-01-07 18:19:23,474 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 [2019-01-07 18:19:23,475 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 [2019-01-07 18:19:23,476 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 [2019-01-07 18:19:23,477 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 [2019-01-07 18:19:23,478 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 [2019-01-07 18:19:23,479 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 [2019-01-07 18:19:23,480 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 [2019-01-07 18:19:23,481 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 [2019-01-07 18:19:23,482 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 [2019-01-07 18:19:23,483 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 [2019-01-07 18:19:23,484 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 [2019-01-07 18:19:23,485 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 [2019-01-07 18:19:23,486 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 [2019-01-07 18:19:23,487 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 [2019-01-07 18:19:23,488 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 [2019-01-07 18:19:23,489 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 [2019-01-07 18:19:23,490 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 [2019-01-07 18:19:23,491 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 [2019-01-07 18:19:23,492 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 [2019-01-07 18:19:23,492 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 [2019-01-07 18:19:23,492 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-01-07 18:19:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:23,493 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:23,835 INFO L273 TraceCheckUtils]: 22: Hoare triple {2917#false} assume !false; {2917#false} is VALID [2019-01-07 18:19:23,835 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 [2019-01-07 18:19:23,836 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 [2019-01-07 18:19:23,837 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 [2019-01-07 18:19:23,838 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 [2019-01-07 18:19:23,838 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 [2019-01-07 18:19:23,840 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 [2019-01-07 18:19:23,841 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 [2019-01-07 18:19:23,842 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 [2019-01-07 18:19:23,843 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 [2019-01-07 18:19:23,844 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 [2019-01-07 18:19:23,845 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 [2019-01-07 18:19:23,846 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 [2019-01-07 18:19:23,847 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 [2019-01-07 18:19:23,848 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 [2019-01-07 18:19:23,849 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 [2019-01-07 18:19:23,850 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 [2019-01-07 18:19:23,851 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 [2019-01-07 18:19:23,852 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 [2019-01-07 18:19:23,854 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 [2019-01-07 18:19:23,855 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 [2019-01-07 18:19:23,856 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 [2019-01-07 18:19:23,857 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 [2019-01-07 18:19:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:23,879 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:23,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 12 [2019-01-07 18:19:23,879 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:23,879 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2019-01-07 18:19:23,879 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:23,880 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2019-01-07 18:19:23,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:23,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-07 18:19:23,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-07 18:19:23,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-07 18:19:23,911 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 13 states. [2019-01-07 18:19:24,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:24,494 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-01-07 18:19:24,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-01-07 18:19:24,495 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2019-01-07 18:19:24,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-07 18:19:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2019-01-07 18:19:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-07 18:19:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2019-01-07 18:19:24,497 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 28 transitions. [2019-01-07 18:19:24,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:24,525 INFO L225 Difference]: With dead ends: 27 [2019-01-07 18:19:24,525 INFO L226 Difference]: Without dead ends: 25 [2019-01-07 18:19:24,526 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 [2019-01-07 18:19:24,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-01-07 18:19:24,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-01-07 18:19:24,808 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:24,808 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2019-01-07 18:19:24,808 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2019-01-07 18:19:24,808 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2019-01-07 18:19:24,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:24,809 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-07 18:19:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-01-07 18:19:24,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:24,810 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:24,810 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2019-01-07 18:19:24,810 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2019-01-07 18:19:24,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:24,811 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-07 18:19:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-01-07 18:19:24,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:24,811 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:24,812 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:24,812 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-07 18:19:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-01-07 18:19:24,812 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 23 [2019-01-07 18:19:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:24,813 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-01-07 18:19:24,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-07 18:19:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-01-07 18:19:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-07 18:19:24,813 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:24,814 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1] [2019-01-07 18:19:24,814 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:24,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:24,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1145646954, now seen corresponding path program 15 times [2019-01-07 18:19:24,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:24,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:24,815 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:24,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:24,815 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:26,121 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 [2019-01-07 18:19:26,122 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 [2019-01-07 18:19:26,124 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 [2019-01-07 18:19:26,125 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 [2019-01-07 18:19:26,126 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 [2019-01-07 18:19:26,127 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 [2019-01-07 18:19:26,128 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 [2019-01-07 18:19:26,129 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 [2019-01-07 18:19:26,130 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 [2019-01-07 18:19:26,131 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 [2019-01-07 18:19:26,133 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 [2019-01-07 18:19:26,134 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 [2019-01-07 18:19:26,135 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 [2019-01-07 18:19:26,136 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 [2019-01-07 18:19:26,137 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 [2019-01-07 18:19:26,138 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 [2019-01-07 18:19:26,139 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 [2019-01-07 18:19:26,141 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 [2019-01-07 18:19:26,142 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 [2019-01-07 18:19:26,143 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 [2019-01-07 18:19:26,144 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 [2019-01-07 18:19:26,145 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 [2019-01-07 18:19:26,146 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 [2019-01-07 18:19:26,147 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-01-07 18:19:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:26,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:26,149 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:26,149 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:26,149 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:26,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:26,149 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 [2019-01-07 18:19:26,159 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:19:26,160 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:19:26,174 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:19:26,174 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:26,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:26,575 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 [2019-01-07 18:19:26,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:26,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:26,583 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:19:26,585 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:26,586 WARN L385 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)))) [2019-01-07 18:19:26,586 WARN L386 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))) [2019-01-07 18:19:26,635 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 [2019-01-07 18:19:26,635 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 [2019-01-07 18:19:26,635 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 [2019-01-07 18:19:26,635 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 [2019-01-07 18:19:26,636 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 [2019-01-07 18:19:26,636 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 [2019-01-07 18:19:26,636 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 [2019-01-07 18:19:26,636 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 [2019-01-07 18:19:26,636 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 [2019-01-07 18:19:26,637 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 [2019-01-07 18:19:26,637 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 [2019-01-07 18:19:26,638 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 [2019-01-07 18:19:26,638 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 [2019-01-07 18:19:26,639 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 [2019-01-07 18:19:26,640 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 [2019-01-07 18:19:26,641 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 [2019-01-07 18:19:26,642 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 [2019-01-07 18:19:26,643 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 [2019-01-07 18:19:26,644 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 [2019-01-07 18:19:26,645 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 [2019-01-07 18:19:26,646 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 [2019-01-07 18:19:26,647 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 [2019-01-07 18:19:26,648 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 [2019-01-07 18:19:26,648 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-01-07 18:19:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-01-07 18:19:26,650 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:26,735 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 [2019-01-07 18:19:26,737 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:26,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:26,748 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:19:26,751 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:26,751 WARN L385 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)) [2019-01-07 18:19:26,751 WARN L386 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)) [2019-01-07 18:19:27,233 INFO L273 TraceCheckUtils]: 23: Hoare triple {3233#false} assume !false; {3233#false} is VALID [2019-01-07 18:19:27,235 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 [2019-01-07 18:19:27,236 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 [2019-01-07 18:19:27,237 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 [2019-01-07 18:19:27,238 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 [2019-01-07 18:19:27,239 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 [2019-01-07 18:19:27,241 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 [2019-01-07 18:19:27,264 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 [2019-01-07 18:19:27,265 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 [2019-01-07 18:19:27,266 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 [2019-01-07 18:19:27,266 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 [2019-01-07 18:19:27,267 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 [2019-01-07 18:19:27,268 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 [2019-01-07 18:19:27,269 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 [2019-01-07 18:19:27,269 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 [2019-01-07 18:19:27,269 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 [2019-01-07 18:19:27,269 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 [2019-01-07 18:19:27,270 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 [2019-01-07 18:19:27,270 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 [2019-01-07 18:19:27,270 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 [2019-01-07 18:19:27,270 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 [2019-01-07 18:19:27,270 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 [2019-01-07 18:19:27,271 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 [2019-01-07 18:19:27,271 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 [2019-01-07 18:19:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-01-07 18:19:27,290 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:27,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 46 [2019-01-07 18:19:27,290 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:27,291 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2019-01-07 18:19:27,291 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:27,291 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2019-01-07 18:19:27,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:27,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-01-07 18:19:27,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-01-07 18:19:27,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1760, Unknown=0, NotChecked=0, Total=2070 [2019-01-07 18:19:27,330 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 35 states. [2019-01-07 18:19:31,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:31,522 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2019-01-07 18:19:31,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-01-07 18:19:31,522 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 24 [2019-01-07 18:19:31,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-07 18:19:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2019-01-07 18:19:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-07 18:19:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2019-01-07 18:19:31,525 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 38 states and 45 transitions. [2019-01-07 18:19:31,581 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:31,582 INFO L225 Difference]: With dead ends: 41 [2019-01-07 18:19:31,582 INFO L226 Difference]: Without dead ends: 27 [2019-01-07 18:19:31,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=553, Invalid=3107, Unknown=0, NotChecked=0, Total=3660 [2019-01-07 18:19:31,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-07 18:19:31,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-07 18:19:31,887 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:31,887 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2019-01-07 18:19:31,887 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2019-01-07 18:19:31,887 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2019-01-07 18:19:31,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:31,888 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-01-07 18:19:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-01-07 18:19:31,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:31,889 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:31,889 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2019-01-07 18:19:31,889 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2019-01-07 18:19:31,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:31,890 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-01-07 18:19:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-01-07 18:19:31,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:31,891 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:31,891 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:31,891 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-07 18:19:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-01-07 18:19:31,892 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2019-01-07 18:19:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:31,892 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-01-07 18:19:31,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-01-07 18:19:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-01-07 18:19:31,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-07 18:19:31,892 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:31,893 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 1, 1, 1, 1] [2019-01-07 18:19:31,893 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:31,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:31,893 INFO L82 PathProgramCache]: Analyzing trace with hash 430349717, now seen corresponding path program 16 times [2019-01-07 18:19:31,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:31,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:31,894 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:31,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:31,894 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:32,534 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 [2019-01-07 18:19:32,535 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 [2019-01-07 18:19:32,536 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 [2019-01-07 18:19:32,537 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 [2019-01-07 18:19:32,538 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 [2019-01-07 18:19:32,539 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 [2019-01-07 18:19:32,540 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 [2019-01-07 18:19:32,541 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 [2019-01-07 18:19:32,542 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 [2019-01-07 18:19:32,543 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 [2019-01-07 18:19:32,544 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 [2019-01-07 18:19:32,546 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 [2019-01-07 18:19:32,547 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 [2019-01-07 18:19:32,548 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 [2019-01-07 18:19:32,549 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 [2019-01-07 18:19:32,550 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 [2019-01-07 18:19:32,551 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 [2019-01-07 18:19:32,552 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 [2019-01-07 18:19:32,553 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 [2019-01-07 18:19:32,554 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 [2019-01-07 18:19:32,555 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 [2019-01-07 18:19:32,556 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 [2019-01-07 18:19:32,557 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 [2019-01-07 18:19:32,558 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 [2019-01-07 18:19:32,559 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 [2019-01-07 18:19:32,560 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-01-07 18:19:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:32,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:32,562 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:32,562 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:32,562 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:32,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:32,562 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 [2019-01-07 18:19:32,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:32,572 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:19:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:32,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:33,225 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 [2019-01-07 18:19:33,230 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:33,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:33,236 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:19:33,238 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:33,239 WARN L385 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)) [2019-01-07 18:19:33,239 WARN L386 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)) [2019-01-07 18:19:33,285 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 [2019-01-07 18:19:33,286 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 [2019-01-07 18:19:33,287 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 [2019-01-07 18:19:33,288 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 [2019-01-07 18:19:33,290 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 [2019-01-07 18:19:33,291 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 [2019-01-07 18:19:33,292 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 [2019-01-07 18:19:33,293 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 [2019-01-07 18:19:33,294 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 [2019-01-07 18:19:33,295 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 [2019-01-07 18:19:33,296 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 [2019-01-07 18:19:33,297 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 [2019-01-07 18:19:33,298 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 [2019-01-07 18:19:33,299 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 [2019-01-07 18:19:33,300 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 [2019-01-07 18:19:33,301 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 [2019-01-07 18:19:33,301 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 [2019-01-07 18:19:33,302 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 [2019-01-07 18:19:33,303 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 [2019-01-07 18:19:33,304 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 [2019-01-07 18:19:33,305 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 [2019-01-07 18:19:33,306 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 [2019-01-07 18:19:33,307 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 [2019-01-07 18:19:33,308 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 [2019-01-07 18:19:33,309 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 [2019-01-07 18:19:33,309 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-01-07 18:19:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:33,311 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:33,343 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 [2019-01-07 18:19:33,344 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:33,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:33,349 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:19:33,351 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:33,351 WARN L385 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))))) [2019-01-07 18:19:33,351 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:19:33,511 INFO L273 TraceCheckUtils]: 25: Hoare triple {3634#false} assume !false; {3634#false} is VALID [2019-01-07 18:19:33,512 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 [2019-01-07 18:19:33,513 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 [2019-01-07 18:19:33,514 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 [2019-01-07 18:19:33,515 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 [2019-01-07 18:19:33,516 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 [2019-01-07 18:19:33,517 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 [2019-01-07 18:19:33,518 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 [2019-01-07 18:19:33,519 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 [2019-01-07 18:19:33,520 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 [2019-01-07 18:19:33,521 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 [2019-01-07 18:19:33,522 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 [2019-01-07 18:19:33,524 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 [2019-01-07 18:19:33,525 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 [2019-01-07 18:19:33,526 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 [2019-01-07 18:19:33,527 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 [2019-01-07 18:19:33,528 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 [2019-01-07 18:19:33,529 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 [2019-01-07 18:19:33,530 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 [2019-01-07 18:19:33,531 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 [2019-01-07 18:19:33,532 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 [2019-01-07 18:19:33,533 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 [2019-01-07 18:19:33,534 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 [2019-01-07 18:19:33,535 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 [2019-01-07 18:19:33,536 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 [2019-01-07 18:19:33,537 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 [2019-01-07 18:19:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:33,557 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:33,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 39 [2019-01-07 18:19:33,557 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:33,558 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2019-01-07 18:19:33,558 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:33,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 40 states. [2019-01-07 18:19:33,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:33,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-01-07 18:19:33,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-01-07 18:19:33,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1445, Unknown=0, NotChecked=0, Total=1560 [2019-01-07 18:19:33,603 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 40 states. [2019-01-07 18:19:36,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:36,872 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-01-07 18:19:36,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-01-07 18:19:36,872 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 26 [2019-01-07 18:19:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-07 18:19:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-01-07 18:19:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-07 18:19:36,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-01-07 18:19:36,875 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 34 transitions. [2019-01-07 18:19:36,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:36,915 INFO L225 Difference]: With dead ends: 42 [2019-01-07 18:19:36,915 INFO L226 Difference]: Without dead ends: 28 [2019-01-07 18:19:36,918 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 [2019-01-07 18:19:36,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-01-07 18:19:37,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-01-07 18:19:37,188 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:37,188 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2019-01-07 18:19:37,188 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2019-01-07 18:19:37,188 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2019-01-07 18:19:37,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:37,189 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-01-07 18:19:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-01-07 18:19:37,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:37,190 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:37,190 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2019-01-07 18:19:37,190 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2019-01-07 18:19:37,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:37,191 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-01-07 18:19:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-01-07 18:19:37,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:37,192 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:37,192 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:37,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-01-07 18:19:37,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-01-07 18:19:37,193 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 26 [2019-01-07 18:19:37,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:37,194 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-01-07 18:19:37,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-01-07 18:19:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-01-07 18:19:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-07 18:19:37,194 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:37,194 INFO L402 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1, 1] [2019-01-07 18:19:37,195 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:37,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:37,195 INFO L82 PathProgramCache]: Analyzing trace with hash -568862196, now seen corresponding path program 17 times [2019-01-07 18:19:37,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:37,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:37,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:37,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:37,196 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:37,428 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 [2019-01-07 18:19:37,429 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 [2019-01-07 18:19:37,430 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 [2019-01-07 18:19:37,430 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 [2019-01-07 18:19:37,431 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 [2019-01-07 18:19:37,431 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 [2019-01-07 18:19:37,432 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 [2019-01-07 18:19:37,432 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 [2019-01-07 18:19:37,433 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 [2019-01-07 18:19:37,434 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 [2019-01-07 18:19:37,435 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 [2019-01-07 18:19:37,436 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 [2019-01-07 18:19:37,437 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 [2019-01-07 18:19:37,438 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 [2019-01-07 18:19:37,439 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 [2019-01-07 18:19:37,440 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 [2019-01-07 18:19:37,459 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 [2019-01-07 18:19:37,468 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 [2019-01-07 18:19:37,483 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 [2019-01-07 18:19:37,492 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 [2019-01-07 18:19:37,505 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 [2019-01-07 18:19:37,512 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 [2019-01-07 18:19:37,513 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 [2019-01-07 18:19:37,514 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 [2019-01-07 18:19:37,514 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 [2019-01-07 18:19:37,517 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 [2019-01-07 18:19:37,517 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-01-07 18:19:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:37,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:37,518 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:37,518 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:37,519 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:37,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:37,519 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-01-07 18:19:37,527 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:19:37,528 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:19:37,567 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2019-01-07 18:19:37,567 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:37,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:37,851 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 [2019-01-07 18:19:37,870 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 [2019-01-07 18:19:37,884 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 [2019-01-07 18:19:37,888 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 [2019-01-07 18:19:37,888 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 [2019-01-07 18:19:37,889 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 [2019-01-07 18:19:37,890 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 [2019-01-07 18:19:37,890 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 [2019-01-07 18:19:37,891 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 [2019-01-07 18:19:37,891 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 [2019-01-07 18:19:37,892 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 [2019-01-07 18:19:37,893 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 [2019-01-07 18:19:37,894 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 [2019-01-07 18:19:37,895 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 [2019-01-07 18:19:37,896 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 [2019-01-07 18:19:37,897 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 [2019-01-07 18:19:37,898 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 [2019-01-07 18:19:37,899 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 [2019-01-07 18:19:37,900 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 [2019-01-07 18:19:37,901 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 [2019-01-07 18:19:37,902 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 [2019-01-07 18:19:37,903 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 [2019-01-07 18:19:37,904 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 [2019-01-07 18:19:37,905 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 [2019-01-07 18:19:37,906 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 [2019-01-07 18:19:37,906 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 [2019-01-07 18:19:37,906 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-01-07 18:19:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:37,908 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:38,296 INFO L273 TraceCheckUtils]: 26: Hoare triple {4045#false} assume !false; {4045#false} is VALID [2019-01-07 18:19:38,297 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 [2019-01-07 18:19:38,298 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 [2019-01-07 18:19:38,298 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 [2019-01-07 18:19:38,299 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 [2019-01-07 18:19:38,299 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 [2019-01-07 18:19:38,300 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 [2019-01-07 18:19:38,300 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 [2019-01-07 18:19:38,301 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 [2019-01-07 18:19:38,302 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 [2019-01-07 18:19:38,303 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 [2019-01-07 18:19:38,304 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 [2019-01-07 18:19:38,305 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 [2019-01-07 18:19:38,306 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 [2019-01-07 18:19:38,307 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 [2019-01-07 18:19:38,308 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 [2019-01-07 18:19:38,309 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 [2019-01-07 18:19:38,310 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 [2019-01-07 18:19:38,311 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 [2019-01-07 18:19:38,312 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 [2019-01-07 18:19:38,313 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 [2019-01-07 18:19:38,313 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 [2019-01-07 18:19:38,314 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 [2019-01-07 18:19:38,315 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 [2019-01-07 18:19:38,316 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 [2019-01-07 18:19:38,317 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 [2019-01-07 18:19:38,318 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 [2019-01-07 18:19:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:38,340 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:38,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 14 [2019-01-07 18:19:38,340 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:38,341 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2019-01-07 18:19:38,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:38,341 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2019-01-07 18:19:38,372 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:38,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-07 18:19:38,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-07 18:19:38,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2019-01-07 18:19:38,373 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 15 states. [2019-01-07 18:19:39,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:39,074 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-07 18:19:39,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-01-07 18:19:39,075 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2019-01-07 18:19:39,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-07 18:19:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-01-07 18:19:39,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-01-07 18:19:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-01-07 18:19:39,077 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 32 transitions. [2019-01-07 18:19:39,483 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:39,484 INFO L225 Difference]: With dead ends: 31 [2019-01-07 18:19:39,484 INFO L226 Difference]: Without dead ends: 29 [2019-01-07 18:19:39,485 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 [2019-01-07 18:19:39,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-01-07 18:19:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-01-07 18:19:39,831 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:39,831 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2019-01-07 18:19:39,831 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2019-01-07 18:19:39,831 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2019-01-07 18:19:39,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:39,833 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-01-07 18:19:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-07 18:19:39,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:39,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:39,834 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2019-01-07 18:19:39,834 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2019-01-07 18:19:39,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:39,834 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-01-07 18:19:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-07 18:19:39,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:39,834 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:39,835 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:39,835 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:39,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-07 18:19:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-01-07 18:19:39,835 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 27 [2019-01-07 18:19:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:39,835 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-01-07 18:19:39,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-07 18:19:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-07 18:19:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-07 18:19:39,836 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:39,836 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 1, 1, 1, 1] [2019-01-07 18:19:39,836 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:39,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash -454857078, now seen corresponding path program 18 times [2019-01-07 18:19:39,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:39,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:39,837 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:39,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:39,838 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:40,457 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 [2019-01-07 18:19:40,458 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 [2019-01-07 18:19:40,459 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 [2019-01-07 18:19:40,460 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 [2019-01-07 18:19:40,461 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 [2019-01-07 18:19:40,462 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 [2019-01-07 18:19:40,463 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 [2019-01-07 18:19:40,464 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 [2019-01-07 18:19:40,465 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 [2019-01-07 18:19:40,466 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 [2019-01-07 18:19:40,467 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 [2019-01-07 18:19:40,469 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 [2019-01-07 18:19:40,470 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 [2019-01-07 18:19:40,471 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 [2019-01-07 18:19:40,472 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 [2019-01-07 18:19:40,473 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 [2019-01-07 18:19:40,474 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 [2019-01-07 18:19:40,475 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 [2019-01-07 18:19:40,476 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 [2019-01-07 18:19:40,477 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 [2019-01-07 18:19:40,478 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 [2019-01-07 18:19:40,479 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 [2019-01-07 18:19:40,480 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 [2019-01-07 18:19:40,481 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 [2019-01-07 18:19:40,482 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 [2019-01-07 18:19:40,483 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 [2019-01-07 18:19:40,484 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 [2019-01-07 18:19:40,485 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-01-07 18:19:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:40,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:40,487 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:40,487 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:40,487 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:40,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:40,488 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 [2019-01-07 18:19:40,496 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:19:40,497 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:19:40,516 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:19:40,516 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:40,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:41,245 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 [2019-01-07 18:19:41,246 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:41,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:41,259 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:19:41,261 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:41,261 WARN L385 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)) [2019-01-07 18:19:41,261 WARN L386 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)) [2019-01-07 18:19:41,343 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 [2019-01-07 18:19:41,343 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 [2019-01-07 18:19:41,343 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 [2019-01-07 18:19:41,343 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 [2019-01-07 18:19:41,343 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 [2019-01-07 18:19:41,343 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 [2019-01-07 18:19:41,344 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 [2019-01-07 18:19:41,344 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 [2019-01-07 18:19:41,344 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 [2019-01-07 18:19:41,344 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 [2019-01-07 18:19:41,344 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 [2019-01-07 18:19:41,344 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 [2019-01-07 18:19:41,344 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 [2019-01-07 18:19:41,345 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 [2019-01-07 18:19:41,350 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 [2019-01-07 18:19:41,352 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 [2019-01-07 18:19:41,352 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 [2019-01-07 18:19:41,354 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 [2019-01-07 18:19:41,357 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 [2019-01-07 18:19:41,359 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 [2019-01-07 18:19:41,359 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 [2019-01-07 18:19:41,361 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 [2019-01-07 18:19:41,364 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 [2019-01-07 18:19:41,367 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 [2019-01-07 18:19:41,367 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 [2019-01-07 18:19:41,368 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 [2019-01-07 18:19:41,369 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 [2019-01-07 18:19:41,369 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-01-07 18:19:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-01-07 18:19:41,371 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:41,463 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 [2019-01-07 18:19:41,465 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:41,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:41,478 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:19:41,481 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:41,481 WARN L385 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)) [2019-01-07 18:19:41,481 WARN L386 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)) [2019-01-07 18:19:42,135 INFO L273 TraceCheckUtils]: 27: Hoare triple {4415#false} assume !false; {4415#false} is VALID [2019-01-07 18:19:42,137 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 [2019-01-07 18:19:42,138 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 [2019-01-07 18:19:42,139 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 [2019-01-07 18:19:42,140 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 [2019-01-07 18:19:42,142 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 [2019-01-07 18:19:42,143 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 [2019-01-07 18:19:42,144 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 [2019-01-07 18:19:42,145 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 [2019-01-07 18:19:42,146 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 [2019-01-07 18:19:42,147 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 [2019-01-07 18:19:42,149 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 [2019-01-07 18:19:42,150 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 [2019-01-07 18:19:42,151 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 [2019-01-07 18:19:42,152 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 [2019-01-07 18:19:42,152 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 [2019-01-07 18:19:42,153 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 [2019-01-07 18:19:42,153 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 [2019-01-07 18:19:42,153 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 [2019-01-07 18:19:42,153 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 [2019-01-07 18:19:42,154 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 [2019-01-07 18:19:42,154 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 [2019-01-07 18:19:42,154 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 [2019-01-07 18:19:42,155 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 [2019-01-07 18:19:42,155 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 [2019-01-07 18:19:42,155 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 [2019-01-07 18:19:42,155 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 [2019-01-07 18:19:42,155 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 [2019-01-07 18:19:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-01-07 18:19:42,175 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:42,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 15] total 54 [2019-01-07 18:19:42,176 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:42,176 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2019-01-07 18:19:42,176 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:42,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2019-01-07 18:19:42,598 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:42,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-01-07 18:19:42,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-01-07 18:19:42,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2444, Unknown=0, NotChecked=0, Total=2862 [2019-01-07 18:19:42,600 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 41 states. [2019-01-07 18:19:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:47,296 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-01-07 18:19:47,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-01-07 18:19:47,296 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 28 [2019-01-07 18:19:47,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-07 18:19:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2019-01-07 18:19:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-07 18:19:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2019-01-07 18:19:47,300 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 51 transitions. [2019-01-07 18:19:47,374 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:47,375 INFO L225 Difference]: With dead ends: 47 [2019-01-07 18:19:47,375 INFO L226 Difference]: Without dead ends: 31 [2019-01-07 18:19:47,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=727, Invalid=4243, Unknown=0, NotChecked=0, Total=4970 [2019-01-07 18:19:47,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-07 18:19:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-01-07 18:19:47,722 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:47,722 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2019-01-07 18:19:47,722 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2019-01-07 18:19:47,722 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2019-01-07 18:19:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:47,723 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-07 18:19:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-07 18:19:47,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:47,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:47,724 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2019-01-07 18:19:47,724 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2019-01-07 18:19:47,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:47,725 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-07 18:19:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-07 18:19:47,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:47,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:47,726 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:47,726 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:47,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-07 18:19:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-01-07 18:19:47,727 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 28 [2019-01-07 18:19:47,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:47,727 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-01-07 18:19:47,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-01-07 18:19:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-01-07 18:19:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-07 18:19:47,728 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:47,728 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 1, 1, 1, 1] [2019-01-07 18:19:47,729 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:47,729 INFO L82 PathProgramCache]: Analyzing trace with hash -319437323, now seen corresponding path program 19 times [2019-01-07 18:19:47,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:47,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:47,730 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:47,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:47,730 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:49,061 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 [2019-01-07 18:19:49,063 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 [2019-01-07 18:19:49,064 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 [2019-01-07 18:19:49,065 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 [2019-01-07 18:19:49,066 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 [2019-01-07 18:19:49,067 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 [2019-01-07 18:19:49,068 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 [2019-01-07 18:19:49,069 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 [2019-01-07 18:19:49,070 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 [2019-01-07 18:19:49,071 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 [2019-01-07 18:19:49,072 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 [2019-01-07 18:19:49,073 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 [2019-01-07 18:19:49,074 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 [2019-01-07 18:19:49,075 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 [2019-01-07 18:19:49,076 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 [2019-01-07 18:19:49,077 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 [2019-01-07 18:19:49,078 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 [2019-01-07 18:19:49,079 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 [2019-01-07 18:19:49,080 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 [2019-01-07 18:19:49,081 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 [2019-01-07 18:19:49,083 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 [2019-01-07 18:19:49,084 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 [2019-01-07 18:19:49,085 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 [2019-01-07 18:19:49,086 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 [2019-01-07 18:19:49,087 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 [2019-01-07 18:19:49,088 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 [2019-01-07 18:19:49,089 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 [2019-01-07 18:19:49,090 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 [2019-01-07 18:19:49,091 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 [2019-01-07 18:19:49,091 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-01-07 18:19:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:49,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:49,094 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:49,094 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:49,094 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:49,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:49,095 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 [2019-01-07 18:19:49,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:49,105 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:19:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:49,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:50,400 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 [2019-01-07 18:19:50,401 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:50,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:50,407 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:19:50,409 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:50,409 WARN L385 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)) [2019-01-07 18:19:50,410 WARN L386 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))) [2019-01-07 18:19:50,462 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 [2019-01-07 18:19:50,463 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 [2019-01-07 18:19:50,464 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 [2019-01-07 18:19:50,465 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 [2019-01-07 18:19:50,466 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 [2019-01-07 18:19:50,467 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 [2019-01-07 18:19:50,468 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 [2019-01-07 18:19:50,469 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 [2019-01-07 18:19:50,470 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 [2019-01-07 18:19:50,471 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 [2019-01-07 18:19:50,472 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 [2019-01-07 18:19:50,473 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 [2019-01-07 18:19:50,474 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 [2019-01-07 18:19:50,475 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 [2019-01-07 18:19:50,476 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 [2019-01-07 18:19:50,477 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 [2019-01-07 18:19:50,478 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 [2019-01-07 18:19:50,479 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 [2019-01-07 18:19:50,480 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 [2019-01-07 18:19:50,480 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 [2019-01-07 18:19:50,481 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 [2019-01-07 18:19:50,482 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 [2019-01-07 18:19:50,483 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 [2019-01-07 18:19:50,484 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 [2019-01-07 18:19:50,485 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 [2019-01-07 18:19:50,486 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 [2019-01-07 18:19:50,486 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 [2019-01-07 18:19:50,488 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 [2019-01-07 18:19:50,489 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 [2019-01-07 18:19:50,489 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-01-07 18:19:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:50,492 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:50,533 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 [2019-01-07 18:19:50,535 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:19:50,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:19:50,538 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:19:50,540 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:19:50,540 WARN L385 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))))) [2019-01-07 18:19:50,540 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:19:50,817 INFO L273 TraceCheckUtils]: 29: Hoare triple {4880#false} assume !false; {4880#false} is VALID [2019-01-07 18:19:50,819 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 [2019-01-07 18:19:50,820 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 [2019-01-07 18:19:50,821 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 [2019-01-07 18:19:50,822 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 [2019-01-07 18:19:50,823 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 [2019-01-07 18:19:50,824 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 [2019-01-07 18:19:50,825 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 [2019-01-07 18:19:50,826 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 [2019-01-07 18:19:50,827 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 [2019-01-07 18:19:50,828 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 [2019-01-07 18:19:50,829 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 [2019-01-07 18:19:50,830 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 [2019-01-07 18:19:50,831 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 [2019-01-07 18:19:50,832 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 [2019-01-07 18:19:50,833 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 [2019-01-07 18:19:50,834 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 [2019-01-07 18:19:50,835 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 [2019-01-07 18:19:50,836 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 [2019-01-07 18:19:50,837 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 [2019-01-07 18:19:50,838 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 [2019-01-07 18:19:50,839 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 [2019-01-07 18:19:50,840 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 [2019-01-07 18:19:50,841 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 [2019-01-07 18:19:50,842 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 [2019-01-07 18:19:50,843 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 [2019-01-07 18:19:50,844 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 [2019-01-07 18:19:50,845 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 [2019-01-07 18:19:50,846 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 [2019-01-07 18:19:50,847 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 [2019-01-07 18:19:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:50,868 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:50,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 45 [2019-01-07 18:19:50,869 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:50,869 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2019-01-07 18:19:50,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:50,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 46 states. [2019-01-07 18:19:50,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:50,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-01-07 18:19:50,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-01-07 18:19:50,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1937, Unknown=0, NotChecked=0, Total=2070 [2019-01-07 18:19:50,915 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 46 states. [2019-01-07 18:19:54,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:54,984 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-01-07 18:19:54,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-01-07 18:19:54,984 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 30 [2019-01-07 18:19:54,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-07 18:19:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-01-07 18:19:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-07 18:19:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-01-07 18:19:54,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states and 38 transitions. [2019-01-07 18:19:55,027 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:55,028 INFO L225 Difference]: With dead ends: 48 [2019-01-07 18:19:55,028 INFO L226 Difference]: Without dead ends: 32 [2019-01-07 18:19:55,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 35 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=282, Invalid=3500, Unknown=0, NotChecked=0, Total=3782 [2019-01-07 18:19:55,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-07 18:19:55,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-01-07 18:19:55,463 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:55,463 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 32 states. [2019-01-07 18:19:55,463 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2019-01-07 18:19:55,463 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2019-01-07 18:19:55,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:55,464 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-01-07 18:19:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-07 18:19:55,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:55,465 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:55,465 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2019-01-07 18:19:55,465 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2019-01-07 18:19:55,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:55,466 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-01-07 18:19:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-07 18:19:55,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:55,467 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:55,467 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:55,467 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-01-07 18:19:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-01-07 18:19:55,468 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 30 [2019-01-07 18:19:55,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:55,468 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-01-07 18:19:55,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-01-07 18:19:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-07 18:19:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-07 18:19:55,469 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:55,469 INFO L402 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1, 1] [2019-01-07 18:19:55,469 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:55,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:55,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1693839084, now seen corresponding path program 20 times [2019-01-07 18:19:55,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:55,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:55,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:19:55,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:55,471 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:56,241 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 [2019-01-07 18:19:56,243 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 [2019-01-07 18:19:56,243 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 [2019-01-07 18:19:56,244 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 [2019-01-07 18:19:56,245 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 [2019-01-07 18:19:56,246 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 [2019-01-07 18:19:56,248 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 [2019-01-07 18:19:56,249 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 [2019-01-07 18:19:56,250 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 [2019-01-07 18:19:56,250 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 [2019-01-07 18:19:56,251 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 [2019-01-07 18:19:56,252 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 [2019-01-07 18:19:56,253 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 [2019-01-07 18:19:56,254 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 [2019-01-07 18:19:56,255 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 [2019-01-07 18:19:56,256 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 [2019-01-07 18:19:56,257 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 [2019-01-07 18:19:56,258 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 [2019-01-07 18:19:56,259 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 [2019-01-07 18:19:56,260 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 [2019-01-07 18:19:56,261 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 [2019-01-07 18:19:56,262 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 [2019-01-07 18:19:56,263 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 [2019-01-07 18:19:56,264 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 [2019-01-07 18:19:56,266 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 [2019-01-07 18:19:56,267 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 [2019-01-07 18:19:56,268 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 [2019-01-07 18:19:56,269 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 [2019-01-07 18:19:56,270 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 [2019-01-07 18:19:56,270 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 [2019-01-07 18:19:56,271 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-01-07 18:19:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:56,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:56,272 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:56,273 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:56,273 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:56,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:56,273 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 [2019-01-07 18:19:56,283 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:19:56,283 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:19:56,327 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-01-07 18:19:56,327 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:56,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:19:56,655 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 [2019-01-07 18:19:56,655 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 [2019-01-07 18:19:56,658 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 [2019-01-07 18:19:56,659 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 [2019-01-07 18:19:56,660 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 [2019-01-07 18:19:56,661 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 [2019-01-07 18:19:56,662 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 [2019-01-07 18:19:56,663 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 [2019-01-07 18:19:56,664 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 [2019-01-07 18:19:56,665 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 [2019-01-07 18:19:56,666 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 [2019-01-07 18:19:56,667 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 [2019-01-07 18:19:56,668 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 [2019-01-07 18:19:56,669 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 [2019-01-07 18:19:56,670 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 [2019-01-07 18:19:56,671 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 [2019-01-07 18:19:56,672 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 [2019-01-07 18:19:56,673 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 [2019-01-07 18:19:56,674 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 [2019-01-07 18:19:56,675 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 [2019-01-07 18:19:56,676 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 [2019-01-07 18:19:56,677 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 [2019-01-07 18:19:56,678 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 [2019-01-07 18:19:56,679 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 [2019-01-07 18:19:56,680 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 [2019-01-07 18:19:56,681 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 [2019-01-07 18:19:56,682 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 [2019-01-07 18:19:56,683 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 [2019-01-07 18:19:56,684 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 [2019-01-07 18:19:56,684 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 [2019-01-07 18:19:56,685 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-01-07 18:19:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:56,686 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:19:57,109 INFO L273 TraceCheckUtils]: 30: Hoare triple {5353#false} assume !false; {5353#false} is VALID [2019-01-07 18:19:57,109 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 [2019-01-07 18:19:57,110 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 [2019-01-07 18:19:57,111 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 [2019-01-07 18:19:57,112 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 [2019-01-07 18:19:57,113 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 [2019-01-07 18:19:57,114 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 [2019-01-07 18:19:57,115 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 [2019-01-07 18:19:57,116 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 [2019-01-07 18:19:57,117 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 [2019-01-07 18:19:57,118 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 [2019-01-07 18:19:57,119 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 [2019-01-07 18:19:57,120 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 [2019-01-07 18:19:57,121 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 [2019-01-07 18:19:57,122 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 [2019-01-07 18:19:57,123 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 [2019-01-07 18:19:57,124 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 [2019-01-07 18:19:57,125 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 [2019-01-07 18:19:57,125 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 [2019-01-07 18:19:57,126 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 [2019-01-07 18:19:57,127 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 [2019-01-07 18:19:57,128 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 [2019-01-07 18:19:57,129 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 [2019-01-07 18:19:57,130 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 [2019-01-07 18:19:57,131 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 [2019-01-07 18:19:57,132 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 [2019-01-07 18:19:57,133 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 [2019-01-07 18:19:57,134 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 [2019-01-07 18:19:57,135 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 [2019-01-07 18:19:57,136 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 [2019-01-07 18:19:57,137 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 [2019-01-07 18:19:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:57,157 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:19:57,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 16 [2019-01-07 18:19:57,158 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:19:57,158 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2019-01-07 18:19:57,158 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:19:57,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2019-01-07 18:19:57,211 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:57,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-07 18:19:57,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-07 18:19:57,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2019-01-07 18:19:57,213 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2019-01-07 18:19:57,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:57,990 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-07 18:19:57,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-01-07 18:19:57,990 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2019-01-07 18:19:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:19:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 18:19:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-01-07 18:19:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-07 18:19:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2019-01-07 18:19:57,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 36 transitions. [2019-01-07 18:19:58,035 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:19:58,036 INFO L225 Difference]: With dead ends: 35 [2019-01-07 18:19:58,036 INFO L226 Difference]: Without dead ends: 33 [2019-01-07 18:19:58,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 47 SyntacticMatches, 28 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2019-01-07 18:19:58,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-07 18:19:58,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-07 18:19:58,420 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:19:58,420 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2019-01-07 18:19:58,420 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2019-01-07 18:19:58,420 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2019-01-07 18:19:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:58,421 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-01-07 18:19:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-01-07 18:19:58,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:58,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:58,422 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2019-01-07 18:19:58,422 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2019-01-07 18:19:58,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:19:58,423 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-01-07 18:19:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-01-07 18:19:58,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:19:58,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:19:58,424 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:19:58,424 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:19:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-07 18:19:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-01-07 18:19:58,424 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 31 [2019-01-07 18:19:58,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:19:58,425 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-01-07 18:19:58,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-07 18:19:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-01-07 18:19:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-07 18:19:58,425 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:19:58,425 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1] [2019-01-07 18:19:58,426 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:19:58,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:19:58,426 INFO L82 PathProgramCache]: Analyzing trace with hash 969405866, now seen corresponding path program 21 times [2019-01-07 18:19:58,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:19:58,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:58,427 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:19:58,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:19:58,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:19:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:59,424 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 [2019-01-07 18:19:59,426 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 [2019-01-07 18:19:59,427 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 [2019-01-07 18:19:59,428 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 [2019-01-07 18:19:59,429 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 [2019-01-07 18:19:59,430 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 [2019-01-07 18:19:59,431 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 [2019-01-07 18:19:59,432 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 [2019-01-07 18:19:59,433 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 [2019-01-07 18:19:59,434 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 [2019-01-07 18:19:59,435 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 [2019-01-07 18:19:59,436 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 [2019-01-07 18:19:59,437 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 [2019-01-07 18:19:59,438 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 [2019-01-07 18:19:59,439 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 [2019-01-07 18:19:59,440 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 [2019-01-07 18:19:59,441 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 [2019-01-07 18:19:59,443 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 [2019-01-07 18:19:59,444 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 [2019-01-07 18:19:59,445 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 [2019-01-07 18:19:59,446 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 [2019-01-07 18:19:59,447 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 [2019-01-07 18:19:59,448 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 [2019-01-07 18:19:59,449 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 [2019-01-07 18:19:59,450 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 [2019-01-07 18:19:59,451 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 [2019-01-07 18:19:59,452 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 [2019-01-07 18:19:59,453 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 [2019-01-07 18:19:59,454 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 [2019-01-07 18:19:59,455 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 [2019-01-07 18:19:59,456 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 [2019-01-07 18:19:59,456 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-01-07 18:19:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:19:59,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:59,459 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:19:59,459 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:19:59,459 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:19:59,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:19:59,459 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 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 [2019-01-07 18:19:59,467 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:19:59,467 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:19:59,487 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:19:59,487 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:19:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:19:59,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:20:00,235 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 [2019-01-07 18:20:00,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:00,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:00,263 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:20:00,274 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:00,274 WARN L385 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))) [2019-01-07 18:20:00,274 WARN L386 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))) [2019-01-07 18:20:00,430 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 [2019-01-07 18:20:00,431 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 [2019-01-07 18:20:00,431 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 [2019-01-07 18:20:00,431 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 [2019-01-07 18:20:00,431 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 [2019-01-07 18:20:00,432 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 [2019-01-07 18:20:00,432 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 [2019-01-07 18:20:00,432 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 [2019-01-07 18:20:00,432 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 [2019-01-07 18:20:00,432 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 [2019-01-07 18:20:00,432 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 [2019-01-07 18:20:00,433 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 [2019-01-07 18:20:00,433 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 [2019-01-07 18:20:00,433 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 [2019-01-07 18:20:00,433 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 [2019-01-07 18:20:00,433 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 [2019-01-07 18:20:00,434 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 [2019-01-07 18:20:00,435 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 [2019-01-07 18:20:00,435 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 [2019-01-07 18:20:00,436 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 [2019-01-07 18:20:00,437 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 [2019-01-07 18:20:00,437 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 [2019-01-07 18:20:00,438 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 [2019-01-07 18:20:00,439 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 [2019-01-07 18:20:00,440 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 [2019-01-07 18:20:00,441 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 [2019-01-07 18:20:00,442 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 [2019-01-07 18:20:00,443 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 [2019-01-07 18:20:00,444 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 [2019-01-07 18:20:00,445 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 [2019-01-07 18:20:00,447 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 [2019-01-07 18:20:00,447 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-01-07 18:20:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-01-07 18:20:00,449 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:20:00,560 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 [2019-01-07 18:20:00,562 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:00,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:00,574 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:20:00,578 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:00,578 WARN L385 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)) [2019-01-07 18:20:00,579 WARN L386 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)) [2019-01-07 18:20:02,209 INFO L273 TraceCheckUtils]: 31: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2019-01-07 18:20:02,211 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 [2019-01-07 18:20:02,212 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 [2019-01-07 18:20:02,213 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 [2019-01-07 18:20:02,214 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 [2019-01-07 18:20:02,215 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 [2019-01-07 18:20:02,217 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 [2019-01-07 18:20:02,218 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 [2019-01-07 18:20:02,219 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 [2019-01-07 18:20:02,220 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 [2019-01-07 18:20:02,221 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 [2019-01-07 18:20:02,222 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 [2019-01-07 18:20:02,223 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 [2019-01-07 18:20:02,224 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 [2019-01-07 18:20:02,225 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 [2019-01-07 18:20:02,226 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 [2019-01-07 18:20:02,227 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 [2019-01-07 18:20:02,228 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 [2019-01-07 18:20:02,228 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 [2019-01-07 18:20:02,228 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 [2019-01-07 18:20:02,228 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 [2019-01-07 18:20:02,228 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 [2019-01-07 18:20:02,229 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 [2019-01-07 18:20:02,229 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 [2019-01-07 18:20:02,229 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 [2019-01-07 18:20:02,229 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 [2019-01-07 18:20:02,229 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 [2019-01-07 18:20:02,230 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 [2019-01-07 18:20:02,230 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 [2019-01-07 18:20:02,230 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 [2019-01-07 18:20:02,230 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 [2019-01-07 18:20:02,230 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 [2019-01-07 18:20:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-01-07 18:20:02,251 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:20:02,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 17, 17] total 62 [2019-01-07 18:20:02,251 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:20:02,251 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2019-01-07 18:20:02,252 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:20:02,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states. [2019-01-07 18:20:02,300 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:02,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-01-07 18:20:02,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-01-07 18:20:02,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=3240, Unknown=0, NotChecked=0, Total=3782 [2019-01-07 18:20:02,303 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 47 states. [2019-01-07 18:20:07,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:07,936 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-07 18:20:07,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-01-07 18:20:07,937 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 32 [2019-01-07 18:20:07,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:20:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-07 18:20:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2019-01-07 18:20:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-07 18:20:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2019-01-07 18:20:07,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 57 transitions. [2019-01-07 18:20:08,165 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:08,166 INFO L225 Difference]: With dead ends: 53 [2019-01-07 18:20:08,166 INFO L226 Difference]: Without dead ends: 35 [2019-01-07 18:20:08,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=925, Invalid=5555, Unknown=0, NotChecked=0, Total=6480 [2019-01-07 18:20:08,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-07 18:20:08,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-07 18:20:08,601 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:20:08,601 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2019-01-07 18:20:08,601 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2019-01-07 18:20:08,602 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2019-01-07 18:20:08,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:08,603 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-07 18:20:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-01-07 18:20:08,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:08,603 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:08,603 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2019-01-07 18:20:08,603 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2019-01-07 18:20:08,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:08,604 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-01-07 18:20:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-01-07 18:20:08,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:08,604 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:08,605 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:20:08,605 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:20:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-07 18:20:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2019-01-07 18:20:08,605 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2019-01-07 18:20:08,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:20:08,605 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2019-01-07 18:20:08,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-01-07 18:20:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-01-07 18:20:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-07 18:20:08,606 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:20:08,606 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 1, 1, 1, 1] [2019-01-07 18:20:08,606 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:20:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:20:08,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1714035115, now seen corresponding path program 22 times [2019-01-07 18:20:08,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:20:08,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:08,607 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:20:08,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:08,607 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:20:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:09,566 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 [2019-01-07 18:20:09,567 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 [2019-01-07 18:20:09,567 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 [2019-01-07 18:20:09,568 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 [2019-01-07 18:20:09,569 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 [2019-01-07 18:20:09,569 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 [2019-01-07 18:20:09,570 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 [2019-01-07 18:20:09,571 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 [2019-01-07 18:20:09,572 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 [2019-01-07 18:20:09,573 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 [2019-01-07 18:20:09,574 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 [2019-01-07 18:20:09,575 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 [2019-01-07 18:20:09,576 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 [2019-01-07 18:20:09,577 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 [2019-01-07 18:20:09,578 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 [2019-01-07 18:20:09,580 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 [2019-01-07 18:20:09,581 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 [2019-01-07 18:20:09,582 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 [2019-01-07 18:20:09,586 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 [2019-01-07 18:20:09,587 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 [2019-01-07 18:20:09,588 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 [2019-01-07 18:20:09,589 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 [2019-01-07 18:20:09,590 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 [2019-01-07 18:20:09,591 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 [2019-01-07 18:20:09,592 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 [2019-01-07 18:20:09,593 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 [2019-01-07 18:20:09,594 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 [2019-01-07 18:20:09,595 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 [2019-01-07 18:20:09,596 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 [2019-01-07 18:20:09,597 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 [2019-01-07 18:20:09,598 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 [2019-01-07 18:20:09,599 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 [2019-01-07 18:20:09,601 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 [2019-01-07 18:20:09,601 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-01-07 18:20:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:09,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:09,604 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:20:09,604 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:20:09,604 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:20:09,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:09,604 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 [2019-01-07 18:20:09,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:20:09,612 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:20:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:09,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:20:10,550 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 [2019-01-07 18:20:10,553 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:10,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:10,559 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:20:10,561 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:10,561 WARN L385 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)) [2019-01-07 18:20:10,561 WARN L386 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))) [2019-01-07 18:20:10,619 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 [2019-01-07 18:20:10,620 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 [2019-01-07 18:20:10,620 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 [2019-01-07 18:20:10,621 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 [2019-01-07 18:20:10,621 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 [2019-01-07 18:20:10,622 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 [2019-01-07 18:20:10,623 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 [2019-01-07 18:20:10,624 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 [2019-01-07 18:20:10,625 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 [2019-01-07 18:20:10,626 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 [2019-01-07 18:20:10,627 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 [2019-01-07 18:20:10,628 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 [2019-01-07 18:20:10,629 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 [2019-01-07 18:20:10,630 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 [2019-01-07 18:20:10,632 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 [2019-01-07 18:20:10,633 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 [2019-01-07 18:20:10,634 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 [2019-01-07 18:20:10,634 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 [2019-01-07 18:20:10,635 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 [2019-01-07 18:20:10,636 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 [2019-01-07 18:20:10,637 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 [2019-01-07 18:20:10,638 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 [2019-01-07 18:20:10,639 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 [2019-01-07 18:20:10,640 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 [2019-01-07 18:20:10,641 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 [2019-01-07 18:20:10,641 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 [2019-01-07 18:20:10,642 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 [2019-01-07 18:20:10,643 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 [2019-01-07 18:20:10,644 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 [2019-01-07 18:20:10,645 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 [2019-01-07 18:20:10,646 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 [2019-01-07 18:20:10,647 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 [2019-01-07 18:20:10,648 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 [2019-01-07 18:20:10,648 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-01-07 18:20:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:10,652 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:20:10,684 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 [2019-01-07 18:20:10,686 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:10,690 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:10,690 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:20:10,692 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:10,693 WARN L385 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))))) [2019-01-07 18:20:10,693 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:20:10,971 INFO L273 TraceCheckUtils]: 33: Hoare triple {6306#false} assume !false; {6306#false} is VALID [2019-01-07 18:20:10,972 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 [2019-01-07 18:20:10,973 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 [2019-01-07 18:20:10,973 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 [2019-01-07 18:20:10,974 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 [2019-01-07 18:20:10,974 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 [2019-01-07 18:20:10,975 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 [2019-01-07 18:20:10,976 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 [2019-01-07 18:20:10,977 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 [2019-01-07 18:20:10,978 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 [2019-01-07 18:20:10,979 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 [2019-01-07 18:20:10,980 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 [2019-01-07 18:20:10,981 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 [2019-01-07 18:20:10,982 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 [2019-01-07 18:20:10,983 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 [2019-01-07 18:20:10,984 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 [2019-01-07 18:20:10,985 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 [2019-01-07 18:20:10,986 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 [2019-01-07 18:20:10,987 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 [2019-01-07 18:20:10,988 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 [2019-01-07 18:20:10,989 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 [2019-01-07 18:20:10,990 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 [2019-01-07 18:20:10,991 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 [2019-01-07 18:20:10,992 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 [2019-01-07 18:20:10,993 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 [2019-01-07 18:20:10,994 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 [2019-01-07 18:20:10,995 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 [2019-01-07 18:20:10,996 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 [2019-01-07 18:20:10,997 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 [2019-01-07 18:20:10,998 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 [2019-01-07 18:20:10,999 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 [2019-01-07 18:20:11,000 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 [2019-01-07 18:20:11,001 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 [2019-01-07 18:20:11,002 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 [2019-01-07 18:20:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:11,023 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:20:11,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 51 [2019-01-07 18:20:11,024 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:20:11,024 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2019-01-07 18:20:11,024 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:20:11,024 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 52 states. [2019-01-07 18:20:11,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:11,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-01-07 18:20:11,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-01-07 18:20:11,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=2501, Unknown=0, NotChecked=0, Total=2652 [2019-01-07 18:20:11,086 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 52 states. [2019-01-07 18:20:16,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:16,773 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2019-01-07 18:20:16,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-01-07 18:20:16,773 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 34 [2019-01-07 18:20:16,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:20:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-07 18:20:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2019-01-07 18:20:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-07 18:20:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2019-01-07 18:20:16,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states and 42 transitions. [2019-01-07 18:20:16,827 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:16,828 INFO L225 Difference]: With dead ends: 54 [2019-01-07 18:20:16,828 INFO L226 Difference]: Without dead ends: 36 [2019-01-07 18:20:16,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 39 SyntacticMatches, 10 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=320, Invalid=4510, Unknown=0, NotChecked=0, Total=4830 [2019-01-07 18:20:16,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-01-07 18:20:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-01-07 18:20:17,573 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:20:17,574 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2019-01-07 18:20:17,574 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2019-01-07 18:20:17,574 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2019-01-07 18:20:17,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:17,575 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-01-07 18:20:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-01-07 18:20:17,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:17,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:17,576 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2019-01-07 18:20:17,576 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2019-01-07 18:20:17,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:17,576 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-01-07 18:20:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-01-07 18:20:17,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:17,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:17,577 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:20:17,577 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:20:17,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-01-07 18:20:17,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2019-01-07 18:20:17,577 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 34 [2019-01-07 18:20:17,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:20:17,577 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2019-01-07 18:20:17,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-01-07 18:20:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2019-01-07 18:20:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-07 18:20:17,578 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:20:17,578 INFO L402 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1, 1] [2019-01-07 18:20:17,578 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:20:17,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:20:17,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1394260940, now seen corresponding path program 23 times [2019-01-07 18:20:17,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:20:17,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:17,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:20:17,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:17,579 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:20:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:17,901 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 [2019-01-07 18:20:17,901 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 [2019-01-07 18:20:17,902 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 [2019-01-07 18:20:17,903 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 [2019-01-07 18:20:17,903 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 [2019-01-07 18:20:17,904 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 [2019-01-07 18:20:17,905 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 [2019-01-07 18:20:17,906 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 [2019-01-07 18:20:17,907 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 [2019-01-07 18:20:17,908 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 [2019-01-07 18:20:17,909 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 [2019-01-07 18:20:17,910 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 [2019-01-07 18:20:17,911 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 [2019-01-07 18:20:17,911 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 [2019-01-07 18:20:17,912 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 [2019-01-07 18:20:17,913 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 [2019-01-07 18:20:17,914 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 [2019-01-07 18:20:17,915 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 [2019-01-07 18:20:17,916 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 [2019-01-07 18:20:17,917 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 [2019-01-07 18:20:17,918 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 [2019-01-07 18:20:17,919 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 [2019-01-07 18:20:17,920 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 [2019-01-07 18:20:17,921 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 [2019-01-07 18:20:17,922 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 [2019-01-07 18:20:17,923 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 [2019-01-07 18:20:17,924 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 [2019-01-07 18:20:17,925 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 [2019-01-07 18:20:17,926 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 [2019-01-07 18:20:17,926 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 [2019-01-07 18:20:17,927 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 [2019-01-07 18:20:17,928 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 [2019-01-07 18:20:17,929 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 [2019-01-07 18:20:17,930 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 [2019-01-07 18:20:17,930 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-01-07 18:20:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:17,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:17,933 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:20:17,933 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:20:17,933 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:20:17,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:17,934 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 [2019-01-07 18:20:17,950 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:20:17,950 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:20:17,999 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-01-07 18:20:17,999 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:20:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:18,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:20:18,218 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 [2019-01-07 18:20:18,219 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 [2019-01-07 18:20:18,220 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 [2019-01-07 18:20:18,221 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 [2019-01-07 18:20:18,222 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 [2019-01-07 18:20:18,223 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 [2019-01-07 18:20:18,224 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 [2019-01-07 18:20:18,225 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 [2019-01-07 18:20:18,226 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 [2019-01-07 18:20:18,227 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 [2019-01-07 18:20:18,228 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 [2019-01-07 18:20:18,229 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 [2019-01-07 18:20:18,229 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 [2019-01-07 18:20:18,230 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 [2019-01-07 18:20:18,231 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 [2019-01-07 18:20:18,232 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 [2019-01-07 18:20:18,233 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 [2019-01-07 18:20:18,234 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 [2019-01-07 18:20:18,235 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 [2019-01-07 18:20:18,236 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 [2019-01-07 18:20:18,237 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 [2019-01-07 18:20:18,238 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 [2019-01-07 18:20:18,239 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 [2019-01-07 18:20:18,240 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 [2019-01-07 18:20:18,241 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 [2019-01-07 18:20:18,242 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 [2019-01-07 18:20:18,243 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 [2019-01-07 18:20:18,244 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 [2019-01-07 18:20:18,244 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 [2019-01-07 18:20:18,245 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 [2019-01-07 18:20:18,246 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 [2019-01-07 18:20:18,247 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 [2019-01-07 18:20:18,248 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 [2019-01-07 18:20:18,249 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 [2019-01-07 18:20:18,249 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-01-07 18:20:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:18,251 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:20:18,676 INFO L273 TraceCheckUtils]: 34: Hoare triple {6841#false} assume !false; {6841#false} is VALID [2019-01-07 18:20:18,677 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 [2019-01-07 18:20:18,677 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 [2019-01-07 18:20:18,678 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 [2019-01-07 18:20:18,678 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 [2019-01-07 18:20:18,679 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 [2019-01-07 18:20:18,680 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 [2019-01-07 18:20:18,681 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 [2019-01-07 18:20:18,682 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 [2019-01-07 18:20:18,683 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 [2019-01-07 18:20:18,684 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 [2019-01-07 18:20:18,685 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 [2019-01-07 18:20:18,686 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 [2019-01-07 18:20:18,687 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 [2019-01-07 18:20:18,688 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 [2019-01-07 18:20:18,688 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 [2019-01-07 18:20:18,689 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 [2019-01-07 18:20:18,690 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 [2019-01-07 18:20:18,691 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 [2019-01-07 18:20:18,692 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 [2019-01-07 18:20:18,693 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 [2019-01-07 18:20:18,694 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 [2019-01-07 18:20:18,695 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 [2019-01-07 18:20:18,696 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 [2019-01-07 18:20:18,697 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 [2019-01-07 18:20:18,698 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 [2019-01-07 18:20:18,699 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 [2019-01-07 18:20:18,700 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 [2019-01-07 18:20:18,701 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 [2019-01-07 18:20:18,702 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 [2019-01-07 18:20:18,703 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 [2019-01-07 18:20:18,704 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 [2019-01-07 18:20:18,705 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 [2019-01-07 18:20:18,706 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 [2019-01-07 18:20:18,706 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 [2019-01-07 18:20:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 120 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:18,729 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:20:18,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 18 [2019-01-07 18:20:18,729 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:20:18,730 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2019-01-07 18:20:18,730 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:20:18,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2019-01-07 18:20:18,777 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:18,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-01-07 18:20:18,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-01-07 18:20:18,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2019-01-07 18:20:18,778 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 19 states. [2019-01-07 18:20:19,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:19,779 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-01-07 18:20:19,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-01-07 18:20:19,779 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 35 [2019-01-07 18:20:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:20:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-07 18:20:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2019-01-07 18:20:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-07 18:20:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2019-01-07 18:20:19,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 40 transitions. [2019-01-07 18:20:19,816 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:19,816 INFO L225 Difference]: With dead ends: 39 [2019-01-07 18:20:19,816 INFO L226 Difference]: Without dead ends: 37 [2019-01-07 18:20:19,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 53 SyntacticMatches, 32 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=459, Invalid=731, Unknown=0, NotChecked=0, Total=1190 [2019-01-07 18:20:19,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-01-07 18:20:20,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-01-07 18:20:20,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:20:20,322 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2019-01-07 18:20:20,323 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2019-01-07 18:20:20,323 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2019-01-07 18:20:20,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:20,324 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-01-07 18:20:20,324 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-01-07 18:20:20,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:20,324 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:20,324 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2019-01-07 18:20:20,325 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2019-01-07 18:20:20,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:20,325 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-01-07 18:20:20,325 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-01-07 18:20:20,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:20,326 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:20,326 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:20:20,326 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:20:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-07 18:20:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2019-01-07 18:20:20,326 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 35 [2019-01-07 18:20:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:20:20,327 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2019-01-07 18:20:20,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-01-07 18:20:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-01-07 18:20:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-07 18:20:20,327 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:20:20,327 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 1, 1, 1, 1] [2019-01-07 18:20:20,327 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:20:20,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:20:20,327 INFO L82 PathProgramCache]: Analyzing trace with hash 272417994, now seen corresponding path program 24 times [2019-01-07 18:20:20,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:20:20,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:20,328 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:20:20,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:20,328 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:20:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:21,513 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 [2019-01-07 18:20:21,514 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 [2019-01-07 18:20:21,516 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 [2019-01-07 18:20:21,517 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 [2019-01-07 18:20:21,518 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 [2019-01-07 18:20:21,519 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 [2019-01-07 18:20:21,520 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 [2019-01-07 18:20:21,521 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 [2019-01-07 18:20:21,522 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 [2019-01-07 18:20:21,523 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 [2019-01-07 18:20:21,524 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 [2019-01-07 18:20:21,525 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 [2019-01-07 18:20:21,526 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 [2019-01-07 18:20:21,527 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 [2019-01-07 18:20:21,528 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 [2019-01-07 18:20:21,529 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 [2019-01-07 18:20:21,530 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 [2019-01-07 18:20:21,531 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 [2019-01-07 18:20:21,532 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 [2019-01-07 18:20:21,533 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 [2019-01-07 18:20:21,534 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 [2019-01-07 18:20:21,535 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 [2019-01-07 18:20:21,536 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 [2019-01-07 18:20:21,537 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 [2019-01-07 18:20:21,538 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 [2019-01-07 18:20:21,539 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 [2019-01-07 18:20:21,540 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 [2019-01-07 18:20:21,541 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 [2019-01-07 18:20:21,542 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 [2019-01-07 18:20:21,543 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 [2019-01-07 18:20:21,544 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 [2019-01-07 18:20:21,545 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 [2019-01-07 18:20:21,546 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 [2019-01-07 18:20:21,548 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 [2019-01-07 18:20:21,549 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 [2019-01-07 18:20:21,549 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-01-07 18:20:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:21,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:21,553 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:20:21,553 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:20:21,553 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:20:21,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:21,553 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 [2019-01-07 18:20:21,563 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:20:21,564 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:20:21,589 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:20:21,589 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:20:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:21,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:20:22,778 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 [2019-01-07 18:20:22,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:22,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:22,786 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:20:22,793 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:22,793 WARN L385 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)) [2019-01-07 18:20:22,793 WARN L386 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)) [2019-01-07 18:20:22,858 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,859 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,860 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 [2019-01-07 18:20:22,861 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 [2019-01-07 18:20:22,862 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 [2019-01-07 18:20:22,862 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 [2019-01-07 18:20:22,863 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 [2019-01-07 18:20:22,863 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 [2019-01-07 18:20:22,864 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 [2019-01-07 18:20:22,865 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 [2019-01-07 18:20:22,866 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 [2019-01-07 18:20:22,867 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 [2019-01-07 18:20:22,868 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 [2019-01-07 18:20:22,869 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 [2019-01-07 18:20:22,870 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 [2019-01-07 18:20:22,871 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 [2019-01-07 18:20:22,872 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 [2019-01-07 18:20:22,873 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 [2019-01-07 18:20:22,874 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 [2019-01-07 18:20:22,876 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 [2019-01-07 18:20:22,877 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 [2019-01-07 18:20:22,877 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-01-07 18:20:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-07 18:20:22,881 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:20:22,986 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 [2019-01-07 18:20:22,988 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:23,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:23,000 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:20:23,003 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:23,003 WARN L385 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)) [2019-01-07 18:20:23,003 WARN L386 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)) [2019-01-07 18:20:24,047 INFO L273 TraceCheckUtils]: 35: Hoare triple {7319#false} assume !false; {7319#false} is VALID [2019-01-07 18:20:24,049 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 [2019-01-07 18:20:24,050 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 [2019-01-07 18:20:24,051 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 [2019-01-07 18:20:24,052 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 [2019-01-07 18:20:24,053 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 [2019-01-07 18:20:24,055 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 [2019-01-07 18:20:24,056 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 [2019-01-07 18:20:24,057 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 [2019-01-07 18:20:24,058 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 [2019-01-07 18:20:24,059 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 [2019-01-07 18:20:24,060 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 [2019-01-07 18:20:24,062 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 [2019-01-07 18:20:24,063 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 [2019-01-07 18:20:24,064 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 [2019-01-07 18:20:24,065 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 [2019-01-07 18:20:24,066 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 [2019-01-07 18:20:24,067 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 [2019-01-07 18:20:24,068 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 [2019-01-07 18:20:24,069 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 [2019-01-07 18:20:24,069 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 [2019-01-07 18:20:24,069 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 [2019-01-07 18:20:24,069 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 [2019-01-07 18:20:24,069 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 [2019-01-07 18:20:24,070 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 [2019-01-07 18:20:24,070 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 [2019-01-07 18:20:24,070 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 [2019-01-07 18:20:24,070 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 [2019-01-07 18:20:24,070 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 [2019-01-07 18:20:24,070 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 [2019-01-07 18:20:24,071 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 [2019-01-07 18:20:24,071 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 [2019-01-07 18:20:24,071 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 [2019-01-07 18:20:24,071 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 [2019-01-07 18:20:24,071 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 [2019-01-07 18:20:24,071 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 [2019-01-07 18:20:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-07 18:20:24,092 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:20:24,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 19, 19] total 70 [2019-01-07 18:20:24,092 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:20:24,093 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2019-01-07 18:20:24,093 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:20:24,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states. [2019-01-07 18:20:24,150 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:24,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2019-01-07 18:20:24,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2019-01-07 18:20:24,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=682, Invalid=4148, Unknown=0, NotChecked=0, Total=4830 [2019-01-07 18:20:24,151 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 53 states. [2019-01-07 18:20:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:31,283 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2019-01-07 18:20:31,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2019-01-07 18:20:31,283 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 36 [2019-01-07 18:20:31,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:20:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-07 18:20:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2019-01-07 18:20:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-07 18:20:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2019-01-07 18:20:31,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 63 transitions. [2019-01-07 18:20:31,359 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:31,360 INFO L225 Difference]: With dead ends: 59 [2019-01-07 18:20:31,360 INFO L226 Difference]: Without dead ends: 39 [2019-01-07 18:20:31,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1147, Invalid=7043, Unknown=0, NotChecked=0, Total=8190 [2019-01-07 18:20:31,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-01-07 18:20:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-01-07 18:20:31,893 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:20:31,893 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2019-01-07 18:20:31,894 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2019-01-07 18:20:31,894 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2019-01-07 18:20:31,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:31,895 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-01-07 18:20:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-01-07 18:20:31,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:31,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:31,896 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2019-01-07 18:20:31,896 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2019-01-07 18:20:31,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:31,897 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-01-07 18:20:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-01-07 18:20:31,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:31,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:31,897 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:20:31,898 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:20:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-07 18:20:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-01-07 18:20:31,898 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 36 [2019-01-07 18:20:31,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:20:31,899 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-01-07 18:20:31,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 53 states. [2019-01-07 18:20:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-01-07 18:20:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-07 18:20:31,899 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:20:31,899 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 1, 1, 1, 1] [2019-01-07 18:20:31,900 INFO L423 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:20:31,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:20:31,900 INFO L82 PathProgramCache]: Analyzing trace with hash -392102219, now seen corresponding path program 25 times [2019-01-07 18:20:31,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:20:31,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:31,901 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:20:31,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:31,901 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:20:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:33,317 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 [2019-01-07 18:20:33,319 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 [2019-01-07 18:20:33,320 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 [2019-01-07 18:20:33,321 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 [2019-01-07 18:20:33,322 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 [2019-01-07 18:20:33,323 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 [2019-01-07 18:20:33,324 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 [2019-01-07 18:20:33,325 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 [2019-01-07 18:20:33,326 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 [2019-01-07 18:20:33,327 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 [2019-01-07 18:20:33,328 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 [2019-01-07 18:20:33,329 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 [2019-01-07 18:20:33,330 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 [2019-01-07 18:20:33,331 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 [2019-01-07 18:20:33,332 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 [2019-01-07 18:20:33,333 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 [2019-01-07 18:20:33,334 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 [2019-01-07 18:20:33,335 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 [2019-01-07 18:20:33,336 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 [2019-01-07 18:20:33,337 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 [2019-01-07 18:20:33,338 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 [2019-01-07 18:20:33,339 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 [2019-01-07 18:20:33,340 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 [2019-01-07 18:20:33,341 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 [2019-01-07 18:20:33,342 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 [2019-01-07 18:20:33,356 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 [2019-01-07 18:20:33,356 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 [2019-01-07 18:20:33,357 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 [2019-01-07 18:20:33,358 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 [2019-01-07 18:20:33,358 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 [2019-01-07 18:20:33,359 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 [2019-01-07 18:20:33,360 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 [2019-01-07 18:20:33,361 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 [2019-01-07 18:20:33,362 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 [2019-01-07 18:20:33,363 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 [2019-01-07 18:20:33,364 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 [2019-01-07 18:20:33,365 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 [2019-01-07 18:20:33,366 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-01-07 18:20:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:33,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:33,370 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:20:33,370 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:20:33,370 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:20:33,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:33,370 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 [2019-01-07 18:20:33,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:20:33,379 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:20:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:33,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:20:34,624 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 [2019-01-07 18:20:34,626 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:34,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:34,632 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:20:34,634 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:34,634 WARN L385 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)) [2019-01-07 18:20:34,635 WARN L386 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)) [2019-01-07 18:20:34,693 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 [2019-01-07 18:20:34,694 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 [2019-01-07 18:20:34,695 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 [2019-01-07 18:20:34,696 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 [2019-01-07 18:20:34,697 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 [2019-01-07 18:20:34,698 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 [2019-01-07 18:20:34,699 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 [2019-01-07 18:20:34,700 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 [2019-01-07 18:20:34,701 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 [2019-01-07 18:20:34,702 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 [2019-01-07 18:20:34,703 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 [2019-01-07 18:20:34,704 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 [2019-01-07 18:20:34,705 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 [2019-01-07 18:20:34,706 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 [2019-01-07 18:20:34,707 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 [2019-01-07 18:20:34,708 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 [2019-01-07 18:20:34,709 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 [2019-01-07 18:20:34,710 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 [2019-01-07 18:20:34,711 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 [2019-01-07 18:20:34,712 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 [2019-01-07 18:20:34,713 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 [2019-01-07 18:20:34,714 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 [2019-01-07 18:20:34,715 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 [2019-01-07 18:20:34,716 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 [2019-01-07 18:20:34,717 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 [2019-01-07 18:20:34,717 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 [2019-01-07 18:20:34,718 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 [2019-01-07 18:20:34,719 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 [2019-01-07 18:20:34,720 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 [2019-01-07 18:20:34,721 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 [2019-01-07 18:20:34,722 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 [2019-01-07 18:20:34,722 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 [2019-01-07 18:20:34,723 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 [2019-01-07 18:20:34,724 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 [2019-01-07 18:20:34,725 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 [2019-01-07 18:20:34,726 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 [2019-01-07 18:20:34,727 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 [2019-01-07 18:20:34,728 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-01-07 18:20:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:34,731 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:20:34,760 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 [2019-01-07 18:20:34,762 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:34,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:34,766 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:20:34,768 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:34,768 WARN L385 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))))) [2019-01-07 18:20:34,768 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:20:35,113 INFO L273 TraceCheckUtils]: 37: Hoare triple {7912#false} assume !false; {7912#false} is VALID [2019-01-07 18:20:35,114 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 [2019-01-07 18:20:35,115 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 [2019-01-07 18:20:35,116 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 [2019-01-07 18:20:35,117 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 [2019-01-07 18:20:35,118 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 [2019-01-07 18:20:35,119 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 [2019-01-07 18:20:35,120 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 [2019-01-07 18:20:35,121 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 [2019-01-07 18:20:35,122 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 [2019-01-07 18:20:35,123 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 [2019-01-07 18:20:35,124 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 [2019-01-07 18:20:35,125 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 [2019-01-07 18:20:35,126 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 [2019-01-07 18:20:35,127 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 [2019-01-07 18:20:35,128 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 [2019-01-07 18:20:35,129 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 [2019-01-07 18:20:35,130 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 [2019-01-07 18:20:35,132 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 [2019-01-07 18:20:35,133 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 [2019-01-07 18:20:35,134 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 [2019-01-07 18:20:35,135 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 [2019-01-07 18:20:35,136 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 [2019-01-07 18:20:35,137 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 [2019-01-07 18:20:35,138 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 [2019-01-07 18:20:35,139 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 [2019-01-07 18:20:35,140 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 [2019-01-07 18:20:35,141 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 [2019-01-07 18:20:35,142 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 [2019-01-07 18:20:35,143 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 [2019-01-07 18:20:35,144 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 [2019-01-07 18:20:35,145 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 [2019-01-07 18:20:35,146 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 [2019-01-07 18:20:35,147 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 [2019-01-07 18:20:35,148 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 [2019-01-07 18:20:35,149 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 [2019-01-07 18:20:35,150 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 [2019-01-07 18:20:35,151 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 [2019-01-07 18:20:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:35,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:20:35,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 57 [2019-01-07 18:20:35,173 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:20:35,173 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2019-01-07 18:20:35,174 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:20:35,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 58 states. [2019-01-07 18:20:35,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:35,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 58 states [2019-01-07 18:20:35,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2019-01-07 18:20:35,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=3137, Unknown=0, NotChecked=0, Total=3306 [2019-01-07 18:20:35,233 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 58 states. [2019-01-07 18:20:41,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:41,880 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-07 18:20:41,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-01-07 18:20:41,880 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 38 [2019-01-07 18:20:41,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:20:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-07 18:20:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-01-07 18:20:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-07 18:20:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-01-07 18:20:41,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 46 transitions. [2019-01-07 18:20:41,935 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:41,936 INFO L225 Difference]: With dead ends: 60 [2019-01-07 18:20:41,936 INFO L226 Difference]: Without dead ends: 40 [2019-01-07 18:20:41,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 43 SyntacticMatches, 12 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=358, Invalid=5648, Unknown=0, NotChecked=0, Total=6006 [2019-01-07 18:20:41,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-07 18:20:42,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-01-07 18:20:42,542 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:20:42,542 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 40 states. [2019-01-07 18:20:42,542 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2019-01-07 18:20:42,542 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2019-01-07 18:20:42,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:42,543 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-01-07 18:20:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-01-07 18:20:42,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:42,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:42,544 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2019-01-07 18:20:42,544 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2019-01-07 18:20:42,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:42,545 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-01-07 18:20:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-01-07 18:20:42,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:42,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:42,546 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:20:42,546 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:20:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-07 18:20:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-01-07 18:20:42,547 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 38 [2019-01-07 18:20:42,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:20:42,547 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-01-07 18:20:42,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 58 states. [2019-01-07 18:20:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-01-07 18:20:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-07 18:20:42,548 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:20:42,548 INFO L402 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1, 1] [2019-01-07 18:20:42,548 INFO L423 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:20:42,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:20:42,548 INFO L82 PathProgramCache]: Analyzing trace with hash 536887468, now seen corresponding path program 26 times [2019-01-07 18:20:42,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:20:42,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:42,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:20:42,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:42,549 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:20:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:42,893 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 [2019-01-07 18:20:42,894 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 [2019-01-07 18:20:42,895 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 [2019-01-07 18:20:42,896 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 [2019-01-07 18:20:42,897 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 [2019-01-07 18:20:42,898 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 [2019-01-07 18:20:42,899 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 [2019-01-07 18:20:42,900 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 [2019-01-07 18:20:42,901 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 [2019-01-07 18:20:42,902 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 [2019-01-07 18:20:42,903 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 [2019-01-07 18:20:42,904 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 [2019-01-07 18:20:42,905 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 [2019-01-07 18:20:42,906 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 [2019-01-07 18:20:42,907 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 [2019-01-07 18:20:42,908 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 [2019-01-07 18:20:42,908 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 [2019-01-07 18:20:42,909 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 [2019-01-07 18:20:42,910 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 [2019-01-07 18:20:42,911 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 [2019-01-07 18:20:42,912 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 [2019-01-07 18:20:42,913 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 [2019-01-07 18:20:42,914 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 [2019-01-07 18:20:42,915 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 [2019-01-07 18:20:42,916 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 [2019-01-07 18:20:42,917 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 [2019-01-07 18:20:42,918 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 [2019-01-07 18:20:42,919 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 [2019-01-07 18:20:42,920 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 [2019-01-07 18:20:42,921 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 [2019-01-07 18:20:42,922 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 [2019-01-07 18:20:42,923 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 [2019-01-07 18:20:42,924 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 [2019-01-07 18:20:42,925 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 [2019-01-07 18:20:42,925 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 [2019-01-07 18:20:42,926 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 [2019-01-07 18:20:42,927 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 [2019-01-07 18:20:42,928 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 [2019-01-07 18:20:42,928 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-01-07 18:20:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:42,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:42,931 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:20:42,931 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:20:42,931 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:20:42,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:42,931 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 [2019-01-07 18:20:42,941 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:20:42,941 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:20:43,006 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-01-07 18:20:43,006 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:20:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:43,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:20:43,202 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 [2019-01-07 18:20:43,203 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 [2019-01-07 18:20:43,204 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 [2019-01-07 18:20:43,205 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 [2019-01-07 18:20:43,206 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 [2019-01-07 18:20:43,207 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 [2019-01-07 18:20:43,208 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 [2019-01-07 18:20:43,209 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 [2019-01-07 18:20:43,210 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 [2019-01-07 18:20:43,211 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 [2019-01-07 18:20:43,212 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 [2019-01-07 18:20:43,212 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 [2019-01-07 18:20:43,213 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 [2019-01-07 18:20:43,214 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 [2019-01-07 18:20:43,215 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 [2019-01-07 18:20:43,216 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 [2019-01-07 18:20:43,217 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 [2019-01-07 18:20:43,218 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 [2019-01-07 18:20:43,219 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 [2019-01-07 18:20:43,220 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 [2019-01-07 18:20:43,221 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 [2019-01-07 18:20:43,222 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 [2019-01-07 18:20:43,223 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 [2019-01-07 18:20:43,224 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 [2019-01-07 18:20:43,225 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 [2019-01-07 18:20:43,226 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 [2019-01-07 18:20:43,227 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 [2019-01-07 18:20:43,228 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 [2019-01-07 18:20:43,229 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 [2019-01-07 18:20:43,230 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 [2019-01-07 18:20:43,231 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 [2019-01-07 18:20:43,232 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 [2019-01-07 18:20:43,233 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 [2019-01-07 18:20:43,234 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 [2019-01-07 18:20:43,234 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 [2019-01-07 18:20:43,235 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 [2019-01-07 18:20:43,236 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 [2019-01-07 18:20:43,237 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 [2019-01-07 18:20:43,237 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-01-07 18:20:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:43,239 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:20:43,713 INFO L273 TraceCheckUtils]: 38: Hoare triple {8509#false} assume !false; {8509#false} is VALID [2019-01-07 18:20:43,713 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 [2019-01-07 18:20:43,714 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 [2019-01-07 18:20:43,714 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 [2019-01-07 18:20:43,715 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 [2019-01-07 18:20:43,716 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 [2019-01-07 18:20:43,717 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 [2019-01-07 18:20:43,718 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 [2019-01-07 18:20:43,719 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 [2019-01-07 18:20:43,720 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 [2019-01-07 18:20:43,721 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 [2019-01-07 18:20:43,721 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 [2019-01-07 18:20:43,722 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 [2019-01-07 18:20:43,723 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 [2019-01-07 18:20:43,724 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 [2019-01-07 18:20:43,725 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 [2019-01-07 18:20:43,726 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 [2019-01-07 18:20:43,727 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 [2019-01-07 18:20:43,728 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 [2019-01-07 18:20:43,729 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 [2019-01-07 18:20:43,730 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 [2019-01-07 18:20:43,731 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 [2019-01-07 18:20:43,732 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 [2019-01-07 18:20:43,733 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 [2019-01-07 18:20:43,734 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 [2019-01-07 18:20:43,735 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 [2019-01-07 18:20:43,736 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 [2019-01-07 18:20:43,737 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 [2019-01-07 18:20:43,737 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 [2019-01-07 18:20:43,738 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 [2019-01-07 18:20:43,739 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 [2019-01-07 18:20:43,740 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 [2019-01-07 18:20:43,741 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 [2019-01-07 18:20:43,742 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 [2019-01-07 18:20:43,743 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 [2019-01-07 18:20:43,744 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 [2019-01-07 18:20:43,745 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 [2019-01-07 18:20:43,746 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 [2019-01-07 18:20:43,747 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 [2019-01-07 18:20:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:43,768 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:20:43,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 20 [2019-01-07 18:20:43,769 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:20:43,769 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2019-01-07 18:20:43,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:20:43,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states. [2019-01-07 18:20:43,815 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:43,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-01-07 18:20:43,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-01-07 18:20:43,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2019-01-07 18:20:43,816 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 21 states. [2019-01-07 18:20:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:44,900 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-01-07 18:20:44,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-01-07 18:20:44,901 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2019-01-07 18:20:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:20:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-07 18:20:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2019-01-07 18:20:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-07 18:20:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2019-01-07 18:20:44,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states and 44 transitions. [2019-01-07 18:20:44,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:44,945 INFO L225 Difference]: With dead ends: 43 [2019-01-07 18:20:44,945 INFO L226 Difference]: Without dead ends: 41 [2019-01-07 18:20:44,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 59 SyntacticMatches, 36 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=570, Invalid=912, Unknown=0, NotChecked=0, Total=1482 [2019-01-07 18:20:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-01-07 18:20:45,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-01-07 18:20:45,597 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:20:45,597 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2019-01-07 18:20:45,597 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2019-01-07 18:20:45,597 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2019-01-07 18:20:45,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:45,598 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-01-07 18:20:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-01-07 18:20:45,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:45,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:45,599 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2019-01-07 18:20:45,599 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2019-01-07 18:20:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:45,600 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-01-07 18:20:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-01-07 18:20:45,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:20:45,600 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:20:45,600 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:20:45,600 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:20:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-07 18:20:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2019-01-07 18:20:45,601 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 39 [2019-01-07 18:20:45,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:20:45,601 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2019-01-07 18:20:45,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-01-07 18:20:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-01-07 18:20:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-07 18:20:45,602 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:20:45,602 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 1, 1, 1, 1] [2019-01-07 18:20:45,602 INFO L423 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:20:45,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:20:45,602 INFO L82 PathProgramCache]: Analyzing trace with hash -536355862, now seen corresponding path program 27 times [2019-01-07 18:20:45,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:20:45,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:45,603 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:20:45,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:20:45,603 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:20:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:47,345 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 [2019-01-07 18:20:47,346 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 [2019-01-07 18:20:47,347 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 [2019-01-07 18:20:47,348 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 [2019-01-07 18:20:47,348 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 [2019-01-07 18:20:47,349 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 [2019-01-07 18:20:47,350 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 [2019-01-07 18:20:47,351 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 [2019-01-07 18:20:47,352 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 [2019-01-07 18:20:47,353 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 [2019-01-07 18:20:47,354 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 [2019-01-07 18:20:47,355 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 [2019-01-07 18:20:47,356 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 [2019-01-07 18:20:47,357 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 [2019-01-07 18:20:47,358 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 [2019-01-07 18:20:47,359 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 [2019-01-07 18:20:47,360 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 [2019-01-07 18:20:47,361 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 [2019-01-07 18:20:47,362 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 [2019-01-07 18:20:47,363 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 [2019-01-07 18:20:47,364 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 [2019-01-07 18:20:47,366 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 [2019-01-07 18:20:47,367 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 [2019-01-07 18:20:47,368 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 [2019-01-07 18:20:47,369 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 [2019-01-07 18:20:47,370 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 [2019-01-07 18:20:47,371 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 [2019-01-07 18:20:47,372 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 [2019-01-07 18:20:47,373 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 [2019-01-07 18:20:47,374 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 [2019-01-07 18:20:47,375 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 [2019-01-07 18:20:47,376 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 [2019-01-07 18:20:47,377 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 [2019-01-07 18:20:47,378 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 [2019-01-07 18:20:47,379 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 [2019-01-07 18:20:47,380 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 [2019-01-07 18:20:47,381 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 [2019-01-07 18:20:47,382 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 [2019-01-07 18:20:47,383 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 [2019-01-07 18:20:47,383 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-01-07 18:20:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:20:47,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:47,387 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:20:47,387 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:20:47,387 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:20:47,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:20:47,387 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 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 [2019-01-07 18:20:47,396 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:20:47,397 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:20:47,421 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:20:47,421 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:20:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:20:47,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:20:48,551 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 [2019-01-07 18:20:48,552 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:48,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:48,558 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:20:48,561 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:20:48,561 WARN L385 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)) [2019-01-07 18:20:48,561 WARN L386 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)) [2019-01-07 18:20:48,628 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 [2019-01-07 18:20:48,628 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 [2019-01-07 18:20:48,628 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 [2019-01-07 18:20:48,628 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 [2019-01-07 18:20:48,628 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,629 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 [2019-01-07 18:20:48,630 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 [2019-01-07 18:20:48,630 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 [2019-01-07 18:20:48,630 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 [2019-01-07 18:20:48,630 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 [2019-01-07 18:20:48,630 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 [2019-01-07 18:20:48,631 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 [2019-01-07 18:20:48,631 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 [2019-01-07 18:20:48,632 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 [2019-01-07 18:20:48,633 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 [2019-01-07 18:20:48,633 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 [2019-01-07 18:20:48,634 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 [2019-01-07 18:20:48,634 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 [2019-01-07 18:20:48,635 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 [2019-01-07 18:20:48,637 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 [2019-01-07 18:20:48,638 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 [2019-01-07 18:20:48,639 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 [2019-01-07 18:20:48,640 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 [2019-01-07 18:20:48,641 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 [2019-01-07 18:20:48,642 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 [2019-01-07 18:20:48,643 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 [2019-01-07 18:20:48,644 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 [2019-01-07 18:20:48,645 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 [2019-01-07 18:20:48,646 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 [2019-01-07 18:20:48,647 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 [2019-01-07 18:20:48,649 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 [2019-01-07 18:20:48,649 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-01-07 18:20:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-01-07 18:20:48,653 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:20:48,752 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 [2019-01-07 18:20:48,754 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:20:48,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:20:48,768 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:20:50,952 INFO L273 TraceCheckUtils]: 39: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2019-01-07 18:20:50,953 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 [2019-01-07 18:20:50,954 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 [2019-01-07 18:20:50,955 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 [2019-01-07 18:20:50,955 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 [2019-01-07 18:20:50,956 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 [2019-01-07 18:20:50,958 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 [2019-01-07 18:20:50,959 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 [2019-01-07 18:20:50,960 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 [2019-01-07 18:20:50,961 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 [2019-01-07 18:20:50,962 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 [2019-01-07 18:20:50,964 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 [2019-01-07 18:20:50,965 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 [2019-01-07 18:20:50,966 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 [2019-01-07 18:20:50,967 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 [2019-01-07 18:20:50,968 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 [2019-01-07 18:20:50,970 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 [2019-01-07 18:20:50,971 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 [2019-01-07 18:20:50,972 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 [2019-01-07 18:20:50,973 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 [2019-01-07 18:20:50,974 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 [2019-01-07 18:20:50,975 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 [2019-01-07 18:20:50,975 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 [2019-01-07 18:20:50,975 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 [2019-01-07 18:20:50,975 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 [2019-01-07 18:20:50,975 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 [2019-01-07 18:20:50,976 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 [2019-01-07 18:20:50,976 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 [2019-01-07 18:20:50,976 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 [2019-01-07 18:20:50,976 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 [2019-01-07 18:20:50,976 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,977 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 [2019-01-07 18:20:50,978 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 [2019-01-07 18:20:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-01-07 18:20:51,001 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:20:51,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 21, 21] total 78 [2019-01-07 18:20:51,001 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:20:51,001 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2019-01-07 18:20:51,001 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:20:51,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states. [2019-01-07 18:20:51,064 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:51,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-01-07 18:20:51,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-01-07 18:20:51,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=838, Invalid=5168, Unknown=0, NotChecked=0, Total=6006 [2019-01-07 18:20:51,066 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 59 states. [2019-01-07 18:20:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:20:59,803 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2019-01-07 18:20:59,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-01-07 18:20:59,804 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 40 [2019-01-07 18:20:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:20:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-07 18:20:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2019-01-07 18:20:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-07 18:20:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2019-01-07 18:20:59,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 62 states and 69 transitions. [2019-01-07 18:20:59,892 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:20:59,893 INFO L225 Difference]: With dead ends: 65 [2019-01-07 18:20:59,893 INFO L226 Difference]: Without dead ends: 43 [2019-01-07 18:20:59,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1393, Invalid=8707, Unknown=0, NotChecked=0, Total=10100 [2019-01-07 18:20:59,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-07 18:21:00,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-07 18:21:00,710 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:21:00,711 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2019-01-07 18:21:00,711 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2019-01-07 18:21:00,711 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2019-01-07 18:21:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:00,712 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-01-07 18:21:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-01-07 18:21:00,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:00,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:00,713 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2019-01-07 18:21:00,713 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2019-01-07 18:21:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:00,714 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-01-07 18:21:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-01-07 18:21:00,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:00,714 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:00,714 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:21:00,714 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:21:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-07 18:21:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2019-01-07 18:21:00,715 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 40 [2019-01-07 18:21:00,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:21:00,715 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2019-01-07 18:21:00,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-01-07 18:21:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-01-07 18:21:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-07 18:21:00,716 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:21:00,716 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 1, 1, 1, 1] [2019-01-07 18:21:00,716 INFO L423 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:21:00,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:21:00,716 INFO L82 PathProgramCache]: Analyzing trace with hash -684650731, now seen corresponding path program 28 times [2019-01-07 18:21:00,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:21:00,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:00,717 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:21:00,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:00,717 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:21:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:02,005 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 [2019-01-07 18:21:02,006 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 [2019-01-07 18:21:02,007 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 [2019-01-07 18:21:02,008 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 [2019-01-07 18:21:02,009 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 [2019-01-07 18:21:02,010 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 [2019-01-07 18:21:02,011 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 [2019-01-07 18:21:02,012 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 [2019-01-07 18:21:02,013 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 [2019-01-07 18:21:02,014 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 [2019-01-07 18:21:02,015 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 [2019-01-07 18:21:02,016 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 [2019-01-07 18:21:02,017 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 [2019-01-07 18:21:02,018 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 [2019-01-07 18:21:02,019 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 [2019-01-07 18:21:02,020 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 [2019-01-07 18:21:02,021 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 [2019-01-07 18:21:02,022 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 [2019-01-07 18:21:02,024 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 [2019-01-07 18:21:02,025 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 [2019-01-07 18:21:02,026 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 [2019-01-07 18:21:02,027 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 [2019-01-07 18:21:02,028 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 [2019-01-07 18:21:02,029 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 [2019-01-07 18:21:02,030 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 [2019-01-07 18:21:02,031 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 [2019-01-07 18:21:02,032 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 [2019-01-07 18:21:02,033 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 [2019-01-07 18:21:02,034 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 [2019-01-07 18:21:02,035 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 [2019-01-07 18:21:02,036 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 [2019-01-07 18:21:02,037 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 [2019-01-07 18:21:02,038 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 [2019-01-07 18:21:02,039 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 [2019-01-07 18:21:02,040 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 [2019-01-07 18:21:02,041 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 [2019-01-07 18:21:02,042 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 [2019-01-07 18:21:02,043 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 [2019-01-07 18:21:02,044 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 [2019-01-07 18:21:02,045 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 [2019-01-07 18:21:02,046 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 [2019-01-07 18:21:02,047 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-01-07 18:21:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:02,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:02,050 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:21:02,051 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:21:02,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:21:02,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:02,051 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 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 [2019-01-07 18:21:02,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:21:02,060 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:21:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:02,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:21:03,446 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 [2019-01-07 18:21:03,448 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:03,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:03,453 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:21:03,455 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:03,456 WARN L385 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)) [2019-01-07 18:21:03,456 WARN L386 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)) [2019-01-07 18:21:03,517 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 [2019-01-07 18:21:03,518 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 [2019-01-07 18:21:03,519 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 [2019-01-07 18:21:03,520 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 [2019-01-07 18:21:03,521 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 [2019-01-07 18:21:03,522 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 [2019-01-07 18:21:03,523 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 [2019-01-07 18:21:03,524 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 [2019-01-07 18:21:03,525 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 [2019-01-07 18:21:03,526 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 [2019-01-07 18:21:03,527 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 [2019-01-07 18:21:03,528 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 [2019-01-07 18:21:03,529 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 [2019-01-07 18:21:03,530 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 [2019-01-07 18:21:03,531 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 [2019-01-07 18:21:03,532 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 [2019-01-07 18:21:03,533 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 [2019-01-07 18:21:03,534 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 [2019-01-07 18:21:03,535 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 [2019-01-07 18:21:03,536 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 [2019-01-07 18:21:03,537 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 [2019-01-07 18:21:03,538 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 [2019-01-07 18:21:03,539 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 [2019-01-07 18:21:03,540 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 [2019-01-07 18:21:03,541 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 [2019-01-07 18:21:03,541 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 [2019-01-07 18:21:03,542 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 [2019-01-07 18:21:03,543 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 [2019-01-07 18:21:03,544 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 [2019-01-07 18:21:03,545 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 [2019-01-07 18:21:03,546 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 [2019-01-07 18:21:03,547 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 [2019-01-07 18:21:03,547 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 [2019-01-07 18:21:03,548 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 [2019-01-07 18:21:03,549 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 [2019-01-07 18:21:03,550 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 [2019-01-07 18:21:03,551 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 [2019-01-07 18:21:03,552 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 [2019-01-07 18:21:03,553 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 [2019-01-07 18:21:03,554 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 [2019-01-07 18:21:03,555 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 [2019-01-07 18:21:03,555 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-01-07 18:21:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:03,560 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:21:03,590 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 [2019-01-07 18:21:03,592 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:03,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:03,596 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:21:03,598 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:03,598 WARN L385 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))))) [2019-01-07 18:21:03,599 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:21:04,024 INFO L273 TraceCheckUtils]: 41: Hoare triple {9698#false} assume !false; {9698#false} is VALID [2019-01-07 18:21:04,026 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 [2019-01-07 18:21:04,027 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 [2019-01-07 18:21:04,028 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 [2019-01-07 18:21:04,029 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 [2019-01-07 18:21:04,030 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 [2019-01-07 18:21:04,031 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 [2019-01-07 18:21:04,032 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 [2019-01-07 18:21:04,033 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 [2019-01-07 18:21:04,034 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 [2019-01-07 18:21:04,035 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 [2019-01-07 18:21:04,036 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 [2019-01-07 18:21:04,037 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 [2019-01-07 18:21:04,038 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 [2019-01-07 18:21:04,039 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 [2019-01-07 18:21:04,040 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 [2019-01-07 18:21:04,041 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 [2019-01-07 18:21:04,042 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 [2019-01-07 18:21:04,050 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 [2019-01-07 18:21:04,051 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 [2019-01-07 18:21:04,052 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 [2019-01-07 18:21:04,052 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 [2019-01-07 18:21:04,053 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 [2019-01-07 18:21:04,054 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 [2019-01-07 18:21:04,054 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 [2019-01-07 18:21:04,055 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 [2019-01-07 18:21:04,056 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 [2019-01-07 18:21:04,057 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 [2019-01-07 18:21:04,058 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 [2019-01-07 18:21:04,059 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 [2019-01-07 18:21:04,060 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 [2019-01-07 18:21:04,061 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 [2019-01-07 18:21:04,062 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 [2019-01-07 18:21:04,063 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 [2019-01-07 18:21:04,064 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 [2019-01-07 18:21:04,065 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 [2019-01-07 18:21:04,066 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 [2019-01-07 18:21:04,067 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 [2019-01-07 18:21:04,068 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 [2019-01-07 18:21:04,069 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 [2019-01-07 18:21:04,070 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 [2019-01-07 18:21:04,071 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 [2019-01-07 18:21:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:04,094 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:21:04,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 63 [2019-01-07 18:21:04,094 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:21:04,095 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2019-01-07 18:21:04,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:21:04,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 64 states. [2019-01-07 18:21:04,159 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:04,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 64 states [2019-01-07 18:21:04,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2019-01-07 18:21:04,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3845, Unknown=0, NotChecked=0, Total=4032 [2019-01-07 18:21:04,161 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 64 states. [2019-01-07 18:21:12,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:12,495 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2019-01-07 18:21:12,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-01-07 18:21:12,496 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 42 [2019-01-07 18:21:12,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:21:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-07 18:21:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-01-07 18:21:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-07 18:21:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-01-07 18:21:12,499 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 45 states and 50 transitions. [2019-01-07 18:21:12,629 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:12,630 INFO L225 Difference]: With dead ends: 66 [2019-01-07 18:21:12,630 INFO L226 Difference]: Without dead ends: 44 [2019-01-07 18:21:12,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 47 SyntacticMatches, 14 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=396, Invalid=6914, Unknown=0, NotChecked=0, Total=7310 [2019-01-07 18:21:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-07 18:21:13,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-01-07 18:21:13,336 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:21:13,336 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 44 states. [2019-01-07 18:21:13,336 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2019-01-07 18:21:13,336 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2019-01-07 18:21:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:13,337 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-01-07 18:21:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-01-07 18:21:13,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:13,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:13,338 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2019-01-07 18:21:13,338 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2019-01-07 18:21:13,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:13,339 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-01-07 18:21:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-01-07 18:21:13,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:13,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:13,339 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:21:13,339 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:21:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-01-07 18:21:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2019-01-07 18:21:13,340 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 42 [2019-01-07 18:21:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:21:13,340 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2019-01-07 18:21:13,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 64 states. [2019-01-07 18:21:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2019-01-07 18:21:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-01-07 18:21:13,341 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:21:13,341 INFO L402 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1, 1] [2019-01-07 18:21:13,341 INFO L423 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:21:13,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:21:13,342 INFO L82 PathProgramCache]: Analyzing trace with hash -392135284, now seen corresponding path program 29 times [2019-01-07 18:21:13,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:21:13,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:13,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:21:13,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:13,343 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:21:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:13,971 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 [2019-01-07 18:21:13,971 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 [2019-01-07 18:21:13,972 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 [2019-01-07 18:21:13,973 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 [2019-01-07 18:21:13,974 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 [2019-01-07 18:21:13,975 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 [2019-01-07 18:21:13,976 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 [2019-01-07 18:21:13,977 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 [2019-01-07 18:21:13,978 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 [2019-01-07 18:21:13,979 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 [2019-01-07 18:21:13,980 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 [2019-01-07 18:21:13,981 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 [2019-01-07 18:21:13,982 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 [2019-01-07 18:21:13,983 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 [2019-01-07 18:21:13,984 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 [2019-01-07 18:21:13,985 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 [2019-01-07 18:21:13,986 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 [2019-01-07 18:21:13,987 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 [2019-01-07 18:21:13,988 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 [2019-01-07 18:21:13,988 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 [2019-01-07 18:21:13,989 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 [2019-01-07 18:21:13,990 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 [2019-01-07 18:21:13,991 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 [2019-01-07 18:21:13,992 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 [2019-01-07 18:21:13,993 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 [2019-01-07 18:21:13,994 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 [2019-01-07 18:21:13,995 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 [2019-01-07 18:21:13,996 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 [2019-01-07 18:21:13,997 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 [2019-01-07 18:21:13,998 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 [2019-01-07 18:21:13,999 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 [2019-01-07 18:21:14,000 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 [2019-01-07 18:21:14,001 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 [2019-01-07 18:21:14,002 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 [2019-01-07 18:21:14,003 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 [2019-01-07 18:21:14,004 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 [2019-01-07 18:21:14,004 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 [2019-01-07 18:21:14,005 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 [2019-01-07 18:21:14,006 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 [2019-01-07 18:21:14,007 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 [2019-01-07 18:21:14,008 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 [2019-01-07 18:21:14,009 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 [2019-01-07 18:21:14,009 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-01-07 18:21:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:14,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:14,012 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:21:14,012 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:21:14,012 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:21:14,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:14,012 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 [2019-01-07 18:21:14,021 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:21:14,021 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:21:14,096 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-01-07 18:21:14,096 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:21:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:14,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:21:14,354 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 [2019-01-07 18:21:14,355 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 [2019-01-07 18:21:14,356 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 [2019-01-07 18:21:14,357 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 [2019-01-07 18:21:14,358 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 [2019-01-07 18:21:14,359 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 [2019-01-07 18:21:14,360 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 [2019-01-07 18:21:14,361 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 [2019-01-07 18:21:14,362 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 [2019-01-07 18:21:14,363 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 [2019-01-07 18:21:14,363 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 [2019-01-07 18:21:14,364 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 [2019-01-07 18:21:14,365 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 [2019-01-07 18:21:14,366 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 [2019-01-07 18:21:14,367 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 [2019-01-07 18:21:14,368 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 [2019-01-07 18:21:14,369 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 [2019-01-07 18:21:14,370 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 [2019-01-07 18:21:14,371 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 [2019-01-07 18:21:14,372 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 [2019-01-07 18:21:14,373 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 [2019-01-07 18:21:14,374 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 [2019-01-07 18:21:14,375 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 [2019-01-07 18:21:14,376 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 [2019-01-07 18:21:14,377 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 [2019-01-07 18:21:14,378 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 [2019-01-07 18:21:14,379 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 [2019-01-07 18:21:14,380 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 [2019-01-07 18:21:14,381 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 [2019-01-07 18:21:14,382 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 [2019-01-07 18:21:14,383 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 [2019-01-07 18:21:14,383 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 [2019-01-07 18:21:14,384 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 [2019-01-07 18:21:14,385 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 [2019-01-07 18:21:14,386 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 [2019-01-07 18:21:14,387 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 [2019-01-07 18:21:14,388 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 [2019-01-07 18:21:14,389 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 [2019-01-07 18:21:14,390 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 [2019-01-07 18:21:14,391 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 [2019-01-07 18:21:14,392 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 [2019-01-07 18:21:14,393 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 [2019-01-07 18:21:14,393 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-01-07 18:21:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:14,395 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:21:15,028 INFO L273 TraceCheckUtils]: 42: Hoare triple {10357#false} assume !false; {10357#false} is VALID [2019-01-07 18:21:15,029 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 [2019-01-07 18:21:15,029 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 [2019-01-07 18:21:15,030 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 [2019-01-07 18:21:15,030 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 [2019-01-07 18:21:15,031 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 [2019-01-07 18:21:15,032 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 [2019-01-07 18:21:15,033 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 [2019-01-07 18:21:15,034 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 [2019-01-07 18:21:15,035 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 [2019-01-07 18:21:15,036 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 [2019-01-07 18:21:15,037 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 [2019-01-07 18:21:15,038 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 [2019-01-07 18:21:15,039 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 [2019-01-07 18:21:15,040 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 [2019-01-07 18:21:15,040 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 [2019-01-07 18:21:15,041 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 [2019-01-07 18:21:15,042 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 [2019-01-07 18:21:15,043 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 [2019-01-07 18:21:15,044 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 [2019-01-07 18:21:15,045 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 [2019-01-07 18:21:15,046 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 [2019-01-07 18:21:15,047 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 [2019-01-07 18:21:15,048 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 [2019-01-07 18:21:15,049 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 [2019-01-07 18:21:15,050 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 [2019-01-07 18:21:15,051 INFO L273 TraceCheckUtils]: 16: Hoare triple {10373#(<= 15 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {10374#(<= 16 ULTIMATE.start_main_~i~6)} is VALID [2019-01-07 18:21:15,052 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 [2019-01-07 18:21:15,053 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 [2019-01-07 18:21:15,054 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 [2019-01-07 18:21:15,055 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 [2019-01-07 18:21:15,056 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 [2019-01-07 18:21:15,056 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 [2019-01-07 18:21:15,057 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 [2019-01-07 18:21:15,058 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 [2019-01-07 18:21:15,059 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 [2019-01-07 18:21:15,060 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 [2019-01-07 18:21:15,061 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 [2019-01-07 18:21:15,062 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 [2019-01-07 18:21:15,063 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 [2019-01-07 18:21:15,064 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 [2019-01-07 18:21:15,065 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 [2019-01-07 18:21:15,065 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 [2019-01-07 18:21:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 190 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:15,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:21:15,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 22 [2019-01-07 18:21:15,087 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:21:15,087 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2019-01-07 18:21:15,087 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:21:15,087 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2019-01-07 18:21:15,136 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:15,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-01-07 18:21:15,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-01-07 18:21:15,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2019-01-07 18:21:15,137 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 23 states. [2019-01-07 18:21:16,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:16,786 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-01-07 18:21:16,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-01-07 18:21:16,786 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2019-01-07 18:21:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:21:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-07 18:21:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-01-07 18:21:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-07 18:21:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-01-07 18:21:16,788 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 43 states and 48 transitions. [2019-01-07 18:21:16,832 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:16,833 INFO L225 Difference]: With dead ends: 47 [2019-01-07 18:21:16,833 INFO L226 Difference]: Without dead ends: 45 [2019-01-07 18:21:16,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 65 SyntacticMatches, 40 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=693, Invalid=1113, Unknown=0, NotChecked=0, Total=1806 [2019-01-07 18:21:16,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-01-07 18:21:17,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-01-07 18:21:17,623 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:21:17,623 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2019-01-07 18:21:17,623 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2019-01-07 18:21:17,624 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2019-01-07 18:21:17,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:17,625 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-01-07 18:21:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-01-07 18:21:17,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:17,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:17,626 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2019-01-07 18:21:17,626 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2019-01-07 18:21:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:17,627 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-01-07 18:21:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-01-07 18:21:17,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:17,627 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:17,627 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:21:17,628 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:21:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-01-07 18:21:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2019-01-07 18:21:17,628 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 43 [2019-01-07 18:21:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:21:17,628 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2019-01-07 18:21:17,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-01-07 18:21:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2019-01-07 18:21:17,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-01-07 18:21:17,629 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:21:17,629 INFO L402 BasicCegarLoop]: trace histogram [20, 20, 1, 1, 1, 1] [2019-01-07 18:21:17,629 INFO L423 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:21:17,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:21:17,629 INFO L82 PathProgramCache]: Analyzing trace with hash 728709898, now seen corresponding path program 30 times [2019-01-07 18:21:17,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:21:17,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:17,630 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:21:17,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:17,631 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:21:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:18,931 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 [2019-01-07 18:21:18,932 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 [2019-01-07 18:21:18,933 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 [2019-01-07 18:21:18,935 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 [2019-01-07 18:21:18,936 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 [2019-01-07 18:21:18,937 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 [2019-01-07 18:21:18,938 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 [2019-01-07 18:21:18,939 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 [2019-01-07 18:21:18,940 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 [2019-01-07 18:21:18,941 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 [2019-01-07 18:21:18,942 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 [2019-01-07 18:21:18,943 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 [2019-01-07 18:21:18,944 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 [2019-01-07 18:21:18,945 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 [2019-01-07 18:21:18,946 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 [2019-01-07 18:21:18,947 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 [2019-01-07 18:21:18,948 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 [2019-01-07 18:21:18,949 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 [2019-01-07 18:21:18,950 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 [2019-01-07 18:21:18,951 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 [2019-01-07 18:21:18,953 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 [2019-01-07 18:21:18,954 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 [2019-01-07 18:21:18,955 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 [2019-01-07 18:21:18,956 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 [2019-01-07 18:21:18,957 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 [2019-01-07 18:21:18,958 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 [2019-01-07 18:21:18,959 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 [2019-01-07 18:21:18,960 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 [2019-01-07 18:21:18,961 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 [2019-01-07 18:21:18,962 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 [2019-01-07 18:21:18,963 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 [2019-01-07 18:21:18,964 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 [2019-01-07 18:21:18,966 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 [2019-01-07 18:21:18,967 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 [2019-01-07 18:21:18,968 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 [2019-01-07 18:21:18,969 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 [2019-01-07 18:21:18,970 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 [2019-01-07 18:21:18,971 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 [2019-01-07 18:21:18,972 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 [2019-01-07 18:21:18,973 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 [2019-01-07 18:21:18,974 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 [2019-01-07 18:21:18,975 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 [2019-01-07 18:21:18,976 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 [2019-01-07 18:21:18,977 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-01-07 18:21:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:18,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:18,981 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:21:18,981 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:21:18,981 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:21:18,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:18,981 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 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 [2019-01-07 18:21:18,990 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:21:18,990 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:21:19,021 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:21:19,021 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:21:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:19,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:21:20,291 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 [2019-01-07 18:21:20,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:20,298 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:20,299 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:21:20,303 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:20,303 WARN L385 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)) [2019-01-07 18:21:20,303 WARN L386 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)) [2019-01-07 18:21:20,443 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 [2019-01-07 18:21:20,443 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 [2019-01-07 18:21:20,443 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 [2019-01-07 18:21:20,443 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 [2019-01-07 18:21:20,443 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,444 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 [2019-01-07 18:21:20,445 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 [2019-01-07 18:21:20,445 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 [2019-01-07 18:21:20,445 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 [2019-01-07 18:21:20,445 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 [2019-01-07 18:21:20,445 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 [2019-01-07 18:21:20,445 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 [2019-01-07 18:21:20,445 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 [2019-01-07 18:21:20,446 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 [2019-01-07 18:21:20,446 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 [2019-01-07 18:21:20,448 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 [2019-01-07 18:21:20,448 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 [2019-01-07 18:21:20,450 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 [2019-01-07 18:21:20,452 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 [2019-01-07 18:21:20,453 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 [2019-01-07 18:21:20,454 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 [2019-01-07 18:21:20,454 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 [2019-01-07 18:21:20,456 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 [2019-01-07 18:21:20,457 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 [2019-01-07 18:21:20,458 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 [2019-01-07 18:21:20,459 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 [2019-01-07 18:21:20,461 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 [2019-01-07 18:21:20,462 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 [2019-01-07 18:21:20,463 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 [2019-01-07 18:21:20,464 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 [2019-01-07 18:21:20,466 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 [2019-01-07 18:21:20,467 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 [2019-01-07 18:21:20,468 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 [2019-01-07 18:21:20,469 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 [2019-01-07 18:21:20,474 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 [2019-01-07 18:21:20,474 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-01-07 18:21:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-01-07 18:21:20,477 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:21:20,736 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 [2019-01-07 18:21:20,738 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:20,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:20,749 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:21:20,752 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:20,753 WARN L385 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)) [2019-01-07 18:21:20,753 WARN L386 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)) [2019-01-07 18:21:22,349 INFO L273 TraceCheckUtils]: 43: Hoare triple {10943#false} assume !false; {10943#false} is VALID [2019-01-07 18:21:22,351 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 [2019-01-07 18:21:22,352 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 [2019-01-07 18:21:22,353 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 [2019-01-07 18:21:22,355 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 [2019-01-07 18:21:22,356 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 [2019-01-07 18:21:22,357 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 [2019-01-07 18:21:22,358 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 [2019-01-07 18:21:22,359 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 [2019-01-07 18:21:22,360 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 [2019-01-07 18:21:22,362 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 [2019-01-07 18:21:22,363 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 [2019-01-07 18:21:22,364 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 [2019-01-07 18:21:22,365 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 [2019-01-07 18:21:22,367 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 [2019-01-07 18:21:22,368 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 [2019-01-07 18:21:22,369 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 [2019-01-07 18:21:22,370 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 [2019-01-07 18:21:22,371 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 [2019-01-07 18:21:22,373 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 [2019-01-07 18:21:22,374 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 [2019-01-07 18:21:22,375 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 [2019-01-07 18:21:22,376 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 [2019-01-07 18:21:22,376 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 [2019-01-07 18:21:22,377 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 [2019-01-07 18:21:22,377 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 [2019-01-07 18:21:22,377 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 [2019-01-07 18:21:22,377 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 [2019-01-07 18:21:22,377 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 [2019-01-07 18:21:22,378 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 [2019-01-07 18:21:22,378 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 [2019-01-07 18:21:22,378 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 [2019-01-07 18:21:22,378 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 [2019-01-07 18:21:22,378 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 [2019-01-07 18:21:22,378 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,379 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 [2019-01-07 18:21:22,380 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 [2019-01-07 18:21:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-01-07 18:21:22,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:21:22,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 23, 23] total 86 [2019-01-07 18:21:22,403 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:21:22,403 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2019-01-07 18:21:22,403 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:21:22,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states. [2019-01-07 18:21:22,533 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:22,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2019-01-07 18:21:22,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2019-01-07 18:21:22,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1010, Invalid=6300, Unknown=0, NotChecked=0, Total=7310 [2019-01-07 18:21:22,535 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 65 states. [2019-01-07 18:21:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:33,120 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2019-01-07 18:21:33,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2019-01-07 18:21:33,121 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 44 [2019-01-07 18:21:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:21:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-07 18:21:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-01-07 18:21:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-07 18:21:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-01-07 18:21:33,123 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 68 states and 75 transitions. [2019-01-07 18:21:33,212 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:33,213 INFO L225 Difference]: With dead ends: 71 [2019-01-07 18:21:33,213 INFO L226 Difference]: Without dead ends: 47 [2019-01-07 18:21:33,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1663, Invalid=10547, Unknown=0, NotChecked=0, Total=12210 [2019-01-07 18:21:33,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-01-07 18:21:34,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-01-07 18:21:34,085 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:21:34,085 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2019-01-07 18:21:34,085 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2019-01-07 18:21:34,085 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2019-01-07 18:21:34,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:34,086 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-01-07 18:21:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-01-07 18:21:34,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:34,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:34,087 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2019-01-07 18:21:34,087 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2019-01-07 18:21:34,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:34,087 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2019-01-07 18:21:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-01-07 18:21:34,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:34,088 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:34,088 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:21:34,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:21:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-07 18:21:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2019-01-07 18:21:34,089 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2019-01-07 18:21:34,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:21:34,089 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2019-01-07 18:21:34,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 65 states. [2019-01-07 18:21:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2019-01-07 18:21:34,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-01-07 18:21:34,090 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:21:34,090 INFO L402 BasicCegarLoop]: trace histogram [21, 21, 1, 1, 1, 1] [2019-01-07 18:21:34,090 INFO L423 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:21:34,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:21:34,091 INFO L82 PathProgramCache]: Analyzing trace with hash 954210165, now seen corresponding path program 31 times [2019-01-07 18:21:34,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:21:34,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:34,092 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:21:34,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:34,092 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:21:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:35,683 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 [2019-01-07 18:21:35,684 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 [2019-01-07 18:21:35,685 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 [2019-01-07 18:21:35,686 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 [2019-01-07 18:21:35,687 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 [2019-01-07 18:21:35,688 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 [2019-01-07 18:21:35,689 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 [2019-01-07 18:21:35,690 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 [2019-01-07 18:21:35,691 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 [2019-01-07 18:21:35,692 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 [2019-01-07 18:21:35,693 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 [2019-01-07 18:21:35,694 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 [2019-01-07 18:21:35,695 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 [2019-01-07 18:21:35,696 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 [2019-01-07 18:21:35,698 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 [2019-01-07 18:21:35,699 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 [2019-01-07 18:21:35,700 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 [2019-01-07 18:21:35,701 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 [2019-01-07 18:21:35,702 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 [2019-01-07 18:21:35,703 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 [2019-01-07 18:21:35,704 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 [2019-01-07 18:21:35,705 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 [2019-01-07 18:21:35,706 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 [2019-01-07 18:21:35,707 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 [2019-01-07 18:21:35,708 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 [2019-01-07 18:21:35,709 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 [2019-01-07 18:21:35,710 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 [2019-01-07 18:21:35,711 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 [2019-01-07 18:21:35,712 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 [2019-01-07 18:21:35,714 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 [2019-01-07 18:21:35,715 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 [2019-01-07 18:21:35,716 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 [2019-01-07 18:21:35,717 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 [2019-01-07 18:21:35,718 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 [2019-01-07 18:21:35,719 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 [2019-01-07 18:21:35,720 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 [2019-01-07 18:21:35,721 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 [2019-01-07 18:21:35,722 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 [2019-01-07 18:21:35,723 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 [2019-01-07 18:21:35,724 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 [2019-01-07 18:21:35,725 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 [2019-01-07 18:21:35,726 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 [2019-01-07 18:21:35,727 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 [2019-01-07 18:21:35,728 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 [2019-01-07 18:21:35,730 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 [2019-01-07 18:21:35,730 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-01-07 18:21:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:35,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:35,734 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:21:35,734 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:21:35,734 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:21:35,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:35,734 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 [2019-01-07 18:21:35,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:21:35,743 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:21:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:35,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:21:37,571 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 [2019-01-07 18:21:37,576 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:37,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:37,581 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:21:37,584 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:37,584 WARN L385 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)) [2019-01-07 18:21:37,584 WARN L386 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)) [2019-01-07 18:21:37,651 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 [2019-01-07 18:21:37,652 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 [2019-01-07 18:21:37,653 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 [2019-01-07 18:21:37,654 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 [2019-01-07 18:21:37,655 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 [2019-01-07 18:21:37,656 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 [2019-01-07 18:21:37,657 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 [2019-01-07 18:21:37,658 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 [2019-01-07 18:21:37,659 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 [2019-01-07 18:21:37,660 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 [2019-01-07 18:21:37,661 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 [2019-01-07 18:21:37,662 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 [2019-01-07 18:21:37,664 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 [2019-01-07 18:21:37,665 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 [2019-01-07 18:21:37,666 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 [2019-01-07 18:21:37,667 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 [2019-01-07 18:21:37,668 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 [2019-01-07 18:21:37,669 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 [2019-01-07 18:21:37,670 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 [2019-01-07 18:21:37,671 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 [2019-01-07 18:21:37,672 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 [2019-01-07 18:21:37,673 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 [2019-01-07 18:21:37,674 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 [2019-01-07 18:21:37,675 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 [2019-01-07 18:21:37,676 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 [2019-01-07 18:21:37,677 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 [2019-01-07 18:21:37,678 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 [2019-01-07 18:21:37,679 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 [2019-01-07 18:21:37,680 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 [2019-01-07 18:21:37,680 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 [2019-01-07 18:21:37,681 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 [2019-01-07 18:21:37,682 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 [2019-01-07 18:21:37,683 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 [2019-01-07 18:21:37,684 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 [2019-01-07 18:21:37,685 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 [2019-01-07 18:21:37,686 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 [2019-01-07 18:21:37,686 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 [2019-01-07 18:21:37,687 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 [2019-01-07 18:21:37,688 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 [2019-01-07 18:21:37,689 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 [2019-01-07 18:21:37,690 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 [2019-01-07 18:21:37,691 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 [2019-01-07 18:21:37,692 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 [2019-01-07 18:21:37,693 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 [2019-01-07 18:21:37,694 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 [2019-01-07 18:21:37,694 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-01-07 18:21:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:37,700 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:21:37,733 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 [2019-01-07 18:21:37,735 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:37,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:37,740 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:21:37,742 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:37,742 WARN L385 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))))) [2019-01-07 18:21:37,743 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:21:38,333 INFO L273 TraceCheckUtils]: 45: Hoare triple {11664#false} assume !false; {11664#false} is VALID [2019-01-07 18:21:38,335 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 [2019-01-07 18:21:38,335 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 [2019-01-07 18:21:38,336 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 [2019-01-07 18:21:38,337 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 [2019-01-07 18:21:38,338 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 [2019-01-07 18:21:38,339 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 [2019-01-07 18:21:38,340 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 [2019-01-07 18:21:38,341 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 [2019-01-07 18:21:38,342 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 [2019-01-07 18:21:38,343 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 [2019-01-07 18:21:38,345 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 [2019-01-07 18:21:38,347 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 [2019-01-07 18:21:38,348 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 [2019-01-07 18:21:38,349 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 [2019-01-07 18:21:38,349 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 [2019-01-07 18:21:38,350 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 [2019-01-07 18:21:38,352 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 [2019-01-07 18:21:38,353 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 [2019-01-07 18:21:38,354 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 [2019-01-07 18:21:38,355 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 [2019-01-07 18:21:38,356 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 [2019-01-07 18:21:38,357 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 [2019-01-07 18:21:38,358 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 [2019-01-07 18:21:38,359 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 [2019-01-07 18:21:38,360 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 [2019-01-07 18:21:38,362 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 [2019-01-07 18:21:38,363 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 [2019-01-07 18:21:38,364 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 [2019-01-07 18:21:38,365 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 [2019-01-07 18:21:38,366 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 [2019-01-07 18:21:38,367 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 [2019-01-07 18:21:38,368 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 [2019-01-07 18:21:38,369 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 [2019-01-07 18:21:38,370 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 [2019-01-07 18:21:38,371 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 [2019-01-07 18:21:38,372 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 [2019-01-07 18:21:38,373 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 [2019-01-07 18:21:38,374 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 [2019-01-07 18:21:38,375 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 [2019-01-07 18:21:38,376 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 [2019-01-07 18:21:38,378 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 [2019-01-07 18:21:38,379 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 [2019-01-07 18:21:38,380 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 [2019-01-07 18:21:38,381 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 [2019-01-07 18:21:38,382 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 [2019-01-07 18:21:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:38,405 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:21:38,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 69 [2019-01-07 18:21:38,405 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:21:38,406 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2019-01-07 18:21:38,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:21:38,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states. [2019-01-07 18:21:38,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:38,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 70 states [2019-01-07 18:21:38,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2019-01-07 18:21:38,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=4625, Unknown=0, NotChecked=0, Total=4830 [2019-01-07 18:21:38,478 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 70 states. [2019-01-07 18:21:47,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:47,973 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2019-01-07 18:21:47,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-01-07 18:21:47,974 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 46 [2019-01-07 18:21:47,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:21:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-07 18:21:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-01-07 18:21:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-07 18:21:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2019-01-07 18:21:47,975 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 49 states and 54 transitions. [2019-01-07 18:21:48,044 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:48,045 INFO L225 Difference]: With dead ends: 72 [2019-01-07 18:21:48,046 INFO L226 Difference]: Without dead ends: 48 [2019-01-07 18:21:48,047 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 51 SyntacticMatches, 16 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=434, Invalid=8308, Unknown=0, NotChecked=0, Total=8742 [2019-01-07 18:21:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-07 18:21:48,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-01-07 18:21:48,993 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:21:48,993 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand 48 states. [2019-01-07 18:21:48,993 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2019-01-07 18:21:48,993 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2019-01-07 18:21:48,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:48,994 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-01-07 18:21:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-01-07 18:21:48,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:48,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:48,995 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 48 states. [2019-01-07 18:21:48,995 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 48 states. [2019-01-07 18:21:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:48,996 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2019-01-07 18:21:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-01-07 18:21:48,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:48,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:48,996 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:21:48,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:21:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-07 18:21:48,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2019-01-07 18:21:48,997 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 46 [2019-01-07 18:21:48,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:21:48,997 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2019-01-07 18:21:48,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 70 states. [2019-01-07 18:21:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2019-01-07 18:21:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-07 18:21:48,997 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:21:48,997 INFO L402 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1, 1] [2019-01-07 18:21:48,998 INFO L423 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:21:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:21:48,998 INFO L82 PathProgramCache]: Analyzing trace with hash 259355244, now seen corresponding path program 32 times [2019-01-07 18:21:48,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:21:48,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:48,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:21:48,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:48,999 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:21:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:49,519 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 [2019-01-07 18:21:49,520 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 [2019-01-07 18:21:49,521 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 [2019-01-07 18:21:49,522 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 [2019-01-07 18:21:49,523 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 [2019-01-07 18:21:49,524 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 [2019-01-07 18:21:49,525 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 [2019-01-07 18:21:49,526 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 [2019-01-07 18:21:49,527 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 [2019-01-07 18:21:49,527 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 [2019-01-07 18:21:49,528 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 [2019-01-07 18:21:49,529 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 [2019-01-07 18:21:49,530 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 [2019-01-07 18:21:49,531 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 [2019-01-07 18:21:49,532 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 [2019-01-07 18:21:49,533 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 [2019-01-07 18:21:49,534 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 [2019-01-07 18:21:49,535 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 [2019-01-07 18:21:49,536 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 [2019-01-07 18:21:49,537 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 [2019-01-07 18:21:49,538 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 [2019-01-07 18:21:49,539 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 [2019-01-07 18:21:49,540 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 [2019-01-07 18:21:49,541 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 [2019-01-07 18:21:49,542 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 [2019-01-07 18:21:49,543 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 [2019-01-07 18:21:49,543 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 [2019-01-07 18:21:49,544 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 [2019-01-07 18:21:49,545 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 [2019-01-07 18:21:49,546 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 [2019-01-07 18:21:49,547 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 [2019-01-07 18:21:49,548 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 [2019-01-07 18:21:49,549 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 [2019-01-07 18:21:49,550 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 [2019-01-07 18:21:49,551 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 [2019-01-07 18:21:49,552 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 [2019-01-07 18:21:49,553 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 [2019-01-07 18:21:49,554 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 [2019-01-07 18:21:49,555 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 [2019-01-07 18:21:49,556 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 [2019-01-07 18:21:49,557 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 [2019-01-07 18:21:49,558 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 [2019-01-07 18:21:49,558 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 [2019-01-07 18:21:49,559 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 [2019-01-07 18:21:49,560 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 [2019-01-07 18:21:49,561 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 [2019-01-07 18:21:49,561 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-01-07 18:21:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:49,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:49,564 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:21:49,565 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:21:49,565 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:21:49,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:49,565 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 [2019-01-07 18:21:49,574 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:21:49,574 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:21:49,659 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-01-07 18:21:49,659 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:21:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:49,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:21:49,917 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 [2019-01-07 18:21:49,918 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 [2019-01-07 18:21:49,919 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 [2019-01-07 18:21:49,920 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 [2019-01-07 18:21:49,921 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 [2019-01-07 18:21:49,922 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 [2019-01-07 18:21:49,923 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 [2019-01-07 18:21:49,924 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 [2019-01-07 18:21:49,925 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 [2019-01-07 18:21:49,926 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 [2019-01-07 18:21:49,927 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 [2019-01-07 18:21:49,928 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 [2019-01-07 18:21:49,929 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 [2019-01-07 18:21:49,930 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 [2019-01-07 18:21:49,931 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 [2019-01-07 18:21:49,932 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 [2019-01-07 18:21:49,933 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 [2019-01-07 18:21:49,934 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 [2019-01-07 18:21:49,935 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 [2019-01-07 18:21:49,936 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 [2019-01-07 18:21:49,937 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 [2019-01-07 18:21:49,938 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 [2019-01-07 18:21:49,939 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 [2019-01-07 18:21:49,960 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 [2019-01-07 18:21:49,975 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 [2019-01-07 18:21:49,990 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 [2019-01-07 18:21:50,006 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 [2019-01-07 18:21:50,015 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 [2019-01-07 18:21:50,022 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 [2019-01-07 18:21:50,023 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 [2019-01-07 18:21:50,024 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 [2019-01-07 18:21:50,024 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 [2019-01-07 18:21:50,025 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 [2019-01-07 18:21:50,025 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 [2019-01-07 18:21:50,026 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 [2019-01-07 18:21:50,026 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 [2019-01-07 18:21:50,027 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 [2019-01-07 18:21:50,038 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 [2019-01-07 18:21:50,039 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 [2019-01-07 18:21:50,043 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 [2019-01-07 18:21:50,044 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 [2019-01-07 18:21:50,044 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 [2019-01-07 18:21:50,045 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 [2019-01-07 18:21:50,045 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 [2019-01-07 18:21:50,046 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 [2019-01-07 18:21:50,046 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 [2019-01-07 18:21:50,047 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-01-07 18:21:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:50,050 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:21:50,729 INFO L273 TraceCheckUtils]: 46: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2019-01-07 18:21:50,730 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 [2019-01-07 18:21:50,731 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 [2019-01-07 18:21:50,732 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 [2019-01-07 18:21:50,733 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 [2019-01-07 18:21:50,734 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 [2019-01-07 18:21:50,735 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 [2019-01-07 18:21:50,735 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 [2019-01-07 18:21:50,736 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 [2019-01-07 18:21:50,737 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 [2019-01-07 18:21:50,738 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 [2019-01-07 18:21:50,739 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 [2019-01-07 18:21:50,740 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 [2019-01-07 18:21:50,741 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 [2019-01-07 18:21:50,742 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 [2019-01-07 18:21:50,743 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 [2019-01-07 18:21:50,744 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 [2019-01-07 18:21:50,753 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 [2019-01-07 18:21:50,754 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 [2019-01-07 18:21:50,755 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 [2019-01-07 18:21:50,755 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 [2019-01-07 18:21:50,756 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 [2019-01-07 18:21:50,756 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 [2019-01-07 18:21:50,757 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 [2019-01-07 18:21:50,758 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 [2019-01-07 18:21:50,759 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 [2019-01-07 18:21:50,760 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 [2019-01-07 18:21:50,761 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 [2019-01-07 18:21:50,761 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 [2019-01-07 18:21:50,762 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 [2019-01-07 18:21:50,763 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 [2019-01-07 18:21:50,764 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 [2019-01-07 18:21:50,765 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 [2019-01-07 18:21:50,766 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 [2019-01-07 18:21:50,767 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 [2019-01-07 18:21:50,768 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 [2019-01-07 18:21:50,769 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 [2019-01-07 18:21:50,770 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 [2019-01-07 18:21:50,771 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 [2019-01-07 18:21:50,772 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 [2019-01-07 18:21:50,773 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 [2019-01-07 18:21:50,774 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 [2019-01-07 18:21:50,775 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 [2019-01-07 18:21:50,776 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 [2019-01-07 18:21:50,776 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 [2019-01-07 18:21:50,777 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 [2019-01-07 18:21:50,778 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 [2019-01-07 18:21:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 231 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:50,802 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:21:50,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 24 [2019-01-07 18:21:50,803 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:21:50,803 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2019-01-07 18:21:50,803 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:21:50,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2019-01-07 18:21:50,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:50,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-01-07 18:21:50,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-01-07 18:21:50,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2019-01-07 18:21:50,859 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 25 states. [2019-01-07 18:21:52,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:52,646 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-01-07 18:21:52,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-01-07 18:21:52,646 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 47 [2019-01-07 18:21:52,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:21:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-07 18:21:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-01-07 18:21:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-07 18:21:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2019-01-07 18:21:52,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 47 states and 52 transitions. [2019-01-07 18:21:52,695 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:52,696 INFO L225 Difference]: With dead ends: 51 [2019-01-07 18:21:52,696 INFO L226 Difference]: Without dead ends: 49 [2019-01-07 18:21:52,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 71 SyntacticMatches, 44 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2019-01-07 18:21:52,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-01-07 18:21:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-01-07 18:21:53,813 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:21:53,813 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2019-01-07 18:21:53,813 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2019-01-07 18:21:53,813 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2019-01-07 18:21:53,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:53,814 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-01-07 18:21:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-01-07 18:21:53,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:53,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:53,815 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2019-01-07 18:21:53,816 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2019-01-07 18:21:53,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:21:53,817 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2019-01-07 18:21:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-01-07 18:21:53,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:21:53,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:21:53,817 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:21:53,818 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:21:53,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-07 18:21:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2019-01-07 18:21:53,818 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 47 [2019-01-07 18:21:53,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:21:53,819 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2019-01-07 18:21:53,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-01-07 18:21:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-01-07 18:21:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-01-07 18:21:53,819 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:21:53,819 INFO L402 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1] [2019-01-07 18:21:53,819 INFO L423 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:21:53,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:21:53,820 INFO L82 PathProgramCache]: Analyzing trace with hash -549920214, now seen corresponding path program 33 times [2019-01-07 18:21:53,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:21:53,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:53,821 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:21:53,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:21:53,821 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:21:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:55,530 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 [2019-01-07 18:21:55,532 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 [2019-01-07 18:21:55,533 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 [2019-01-07 18:21:55,534 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 [2019-01-07 18:21:55,535 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 [2019-01-07 18:21:55,536 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 [2019-01-07 18:21:55,537 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 [2019-01-07 18:21:55,538 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 [2019-01-07 18:21:55,539 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 [2019-01-07 18:21:55,540 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 [2019-01-07 18:21:55,541 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 [2019-01-07 18:21:55,542 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 [2019-01-07 18:21:55,543 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 [2019-01-07 18:21:55,545 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 [2019-01-07 18:21:55,546 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 [2019-01-07 18:21:55,548 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 [2019-01-07 18:21:55,549 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 [2019-01-07 18:21:55,551 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 [2019-01-07 18:21:55,552 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 [2019-01-07 18:21:55,553 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 [2019-01-07 18:21:55,554 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 [2019-01-07 18:21:55,555 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 [2019-01-07 18:21:55,556 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 [2019-01-07 18:21:55,557 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 [2019-01-07 18:21:55,558 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 [2019-01-07 18:21:55,560 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 [2019-01-07 18:21:55,561 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 [2019-01-07 18:21:55,562 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 [2019-01-07 18:21:55,563 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 [2019-01-07 18:21:55,564 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 [2019-01-07 18:21:55,565 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 [2019-01-07 18:21:55,566 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 [2019-01-07 18:21:55,567 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 [2019-01-07 18:21:55,568 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 [2019-01-07 18:21:55,569 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 [2019-01-07 18:21:55,570 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 [2019-01-07 18:21:55,571 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 [2019-01-07 18:21:55,572 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 [2019-01-07 18:21:55,573 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 [2019-01-07 18:21:55,574 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 [2019-01-07 18:21:55,575 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 [2019-01-07 18:21:55,576 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 [2019-01-07 18:21:55,577 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 [2019-01-07 18:21:55,578 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 [2019-01-07 18:21:55,579 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 [2019-01-07 18:21:55,580 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 [2019-01-07 18:21:55,581 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 [2019-01-07 18:21:55,581 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-01-07 18:21:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:21:55,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:55,587 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:21:55,587 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:21:55,587 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:21:55,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:21:55,587 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 [2019-01-07 18:21:55,596 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:21:55,597 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:21:55,637 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:21:55,637 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:21:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:21:55,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:21:57,369 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 [2019-01-07 18:21:57,373 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:57,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:57,379 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:21:57,382 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:57,382 WARN L385 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)) [2019-01-07 18:21:57,383 WARN L386 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)) [2019-01-07 18:21:57,458 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,459 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,460 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 [2019-01-07 18:21:57,461 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 [2019-01-07 18:21:57,461 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 [2019-01-07 18:21:57,461 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 [2019-01-07 18:21:57,461 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 [2019-01-07 18:21:57,461 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 [2019-01-07 18:21:57,462 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 [2019-01-07 18:21:57,462 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 [2019-01-07 18:21:57,463 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 [2019-01-07 18:21:57,463 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 [2019-01-07 18:21:57,464 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 [2019-01-07 18:21:57,465 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 [2019-01-07 18:21:57,465 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 [2019-01-07 18:21:57,466 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 [2019-01-07 18:21:57,467 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 [2019-01-07 18:21:57,468 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 [2019-01-07 18:21:57,470 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 [2019-01-07 18:21:57,471 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 [2019-01-07 18:21:57,472 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 [2019-01-07 18:21:57,473 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 [2019-01-07 18:21:57,474 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 [2019-01-07 18:21:57,475 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 [2019-01-07 18:21:57,476 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 [2019-01-07 18:21:57,477 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 [2019-01-07 18:21:57,478 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 [2019-01-07 18:21:57,479 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 [2019-01-07 18:21:57,480 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 [2019-01-07 18:21:57,481 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 [2019-01-07 18:21:57,483 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 [2019-01-07 18:21:57,484 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 [2019-01-07 18:21:57,484 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-01-07 18:21:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-01-07 18:21:57,489 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:21:57,615 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 [2019-01-07 18:21:57,618 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:21:57,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:21:57,628 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:21:57,631 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:21:57,632 WARN L385 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)) [2019-01-07 18:21:57,632 WARN L386 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)) [2019-01-07 18:21:59,604 INFO L273 TraceCheckUtils]: 47: Hoare triple {13025#false} assume !false; {13025#false} is VALID [2019-01-07 18:21:59,605 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 [2019-01-07 18:21:59,607 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 [2019-01-07 18:21:59,608 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 [2019-01-07 18:21:59,609 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 [2019-01-07 18:21:59,610 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 [2019-01-07 18:21:59,611 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 [2019-01-07 18:21:59,612 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 [2019-01-07 18:21:59,614 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 [2019-01-07 18:21:59,615 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 [2019-01-07 18:21:59,616 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 [2019-01-07 18:21:59,617 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 [2019-01-07 18:21:59,634 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 [2019-01-07 18:21:59,635 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 [2019-01-07 18:21:59,635 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 [2019-01-07 18:21:59,636 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 [2019-01-07 18:21:59,637 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 [2019-01-07 18:21:59,637 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 [2019-01-07 18:21:59,638 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 [2019-01-07 18:21:59,640 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 [2019-01-07 18:21:59,641 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 [2019-01-07 18:21:59,642 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 [2019-01-07 18:21:59,643 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 [2019-01-07 18:21:59,644 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 [2019-01-07 18:21:59,645 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 [2019-01-07 18:21:59,646 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 [2019-01-07 18:21:59,646 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 [2019-01-07 18:21:59,646 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 [2019-01-07 18:21:59,646 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 [2019-01-07 18:21:59,646 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 [2019-01-07 18:21:59,647 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 [2019-01-07 18:21:59,647 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 [2019-01-07 18:21:59,647 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 [2019-01-07 18:21:59,647 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 [2019-01-07 18:21:59,647 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,648 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 [2019-01-07 18:21:59,649 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 [2019-01-07 18:21:59,649 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 [2019-01-07 18:21:59,649 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 [2019-01-07 18:21:59,649 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 [2019-01-07 18:21:59,649 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 [2019-01-07 18:21:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-01-07 18:21:59,671 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:21:59,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 25, 25] total 94 [2019-01-07 18:21:59,672 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:21:59,672 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2019-01-07 18:21:59,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:21:59,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states. [2019-01-07 18:21:59,747 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:21:59,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 71 states [2019-01-07 18:21:59,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2019-01-07 18:21:59,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1198, Invalid=7544, Unknown=0, NotChecked=0, Total=8742 [2019-01-07 18:21:59,749 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 71 states. [2019-01-07 18:22:12,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:12,429 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2019-01-07 18:22:12,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-01-07 18:22:12,429 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 48 [2019-01-07 18:22:12,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:22:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-07 18:22:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-01-07 18:22:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-07 18:22:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-01-07 18:22:12,431 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 74 states and 81 transitions. [2019-01-07 18:22:12,539 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:22:12,541 INFO L225 Difference]: With dead ends: 77 [2019-01-07 18:22:12,541 INFO L226 Difference]: Without dead ends: 51 [2019-01-07 18:22:12,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1957, Invalid=12563, Unknown=0, NotChecked=0, Total=14520 [2019-01-07 18:22:12,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-01-07 18:22:13,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-01-07 18:22:13,506 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:22:13,506 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 51 states. [2019-01-07 18:22:13,506 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2019-01-07 18:22:13,506 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2019-01-07 18:22:13,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:13,507 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-01-07 18:22:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-01-07 18:22:13,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:13,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:13,508 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2019-01-07 18:22:13,508 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2019-01-07 18:22:13,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:13,509 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2019-01-07 18:22:13,510 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-01-07 18:22:13,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:13,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:13,510 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:22:13,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:22:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-01-07 18:22:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2019-01-07 18:22:13,511 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 48 [2019-01-07 18:22:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:22:13,512 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2019-01-07 18:22:13,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 71 states. [2019-01-07 18:22:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-01-07 18:22:13,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-01-07 18:22:13,512 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:22:13,512 INFO L402 BasicCegarLoop]: trace histogram [23, 23, 1, 1, 1, 1] [2019-01-07 18:22:13,513 INFO L423 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:22:13,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:22:13,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1451759573, now seen corresponding path program 34 times [2019-01-07 18:22:13,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:22:13,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:13,514 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:22:13,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:13,514 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:22:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:15,784 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 [2019-01-07 18:22:15,785 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 [2019-01-07 18:22:15,786 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 [2019-01-07 18:22:15,787 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 [2019-01-07 18:22:15,788 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 [2019-01-07 18:22:15,789 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 [2019-01-07 18:22:15,792 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 [2019-01-07 18:22:15,793 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 [2019-01-07 18:22:15,794 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 [2019-01-07 18:22:15,795 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 [2019-01-07 18:22:15,796 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 [2019-01-07 18:22:15,797 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 [2019-01-07 18:22:15,799 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 [2019-01-07 18:22:15,800 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 [2019-01-07 18:22:15,801 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 [2019-01-07 18:22:15,802 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 [2019-01-07 18:22:15,803 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 [2019-01-07 18:22:15,804 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 [2019-01-07 18:22:15,805 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 [2019-01-07 18:22:15,806 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 [2019-01-07 18:22:15,807 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 [2019-01-07 18:22:15,808 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 [2019-01-07 18:22:15,809 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 [2019-01-07 18:22:15,810 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 [2019-01-07 18:22:15,811 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 [2019-01-07 18:22:15,812 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 [2019-01-07 18:22:15,813 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 [2019-01-07 18:22:15,814 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 [2019-01-07 18:22:15,815 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 [2019-01-07 18:22:15,816 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 [2019-01-07 18:22:15,817 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 [2019-01-07 18:22:15,818 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 [2019-01-07 18:22:15,819 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 [2019-01-07 18:22:15,820 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 [2019-01-07 18:22:15,821 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 [2019-01-07 18:22:15,822 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 [2019-01-07 18:22:15,823 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 [2019-01-07 18:22:15,824 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 [2019-01-07 18:22:15,825 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 [2019-01-07 18:22:15,826 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 [2019-01-07 18:22:15,827 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 [2019-01-07 18:22:15,828 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 [2019-01-07 18:22:15,829 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 [2019-01-07 18:22:15,830 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 [2019-01-07 18:22:15,831 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 [2019-01-07 18:22:15,832 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 [2019-01-07 18:22:15,833 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 [2019-01-07 18:22:15,834 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 [2019-01-07 18:22:15,836 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 [2019-01-07 18:22:15,836 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-01-07 18:22:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:15,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:15,840 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:22:15,840 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:22:15,840 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:22:15,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:15,841 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 [2019-01-07 18:22:15,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:22:15,849 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:22:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:15,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:22:17,939 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 [2019-01-07 18:22:17,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:22:17,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:22:17,948 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:22:17,950 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:22:17,951 WARN L385 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)) [2019-01-07 18:22:17,951 WARN L386 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)) [2019-01-07 18:22:18,023 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 [2019-01-07 18:22:18,024 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 [2019-01-07 18:22:18,025 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 [2019-01-07 18:22:18,026 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 [2019-01-07 18:22:18,028 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 [2019-01-07 18:22:18,029 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 [2019-01-07 18:22:18,030 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 [2019-01-07 18:22:18,031 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 [2019-01-07 18:22:18,032 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 [2019-01-07 18:22:18,033 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 [2019-01-07 18:22:18,034 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 [2019-01-07 18:22:18,035 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 [2019-01-07 18:22:18,036 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 [2019-01-07 18:22:18,037 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 [2019-01-07 18:22:18,038 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 [2019-01-07 18:22:18,039 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 [2019-01-07 18:22:18,040 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 [2019-01-07 18:22:18,041 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 [2019-01-07 18:22:18,042 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 [2019-01-07 18:22:18,043 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 [2019-01-07 18:22:18,047 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 [2019-01-07 18:22:18,048 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 [2019-01-07 18:22:18,048 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 [2019-01-07 18:22:18,049 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 [2019-01-07 18:22:18,050 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 [2019-01-07 18:22:18,050 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 [2019-01-07 18:22:18,051 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 [2019-01-07 18:22:18,052 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 [2019-01-07 18:22:18,053 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 [2019-01-07 18:22:18,054 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 [2019-01-07 18:22:18,055 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 [2019-01-07 18:22:18,055 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 [2019-01-07 18:22:18,056 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 [2019-01-07 18:22:18,057 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 [2019-01-07 18:22:18,058 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 [2019-01-07 18:22:18,059 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 [2019-01-07 18:22:18,060 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 [2019-01-07 18:22:18,061 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 [2019-01-07 18:22:18,062 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 [2019-01-07 18:22:18,062 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 [2019-01-07 18:22:18,063 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 [2019-01-07 18:22:18,064 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 [2019-01-07 18:22:18,065 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 [2019-01-07 18:22:18,066 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 [2019-01-07 18:22:18,067 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 [2019-01-07 18:22:18,068 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 [2019-01-07 18:22:18,069 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 [2019-01-07 18:22:18,070 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 [2019-01-07 18:22:18,071 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 [2019-01-07 18:22:18,072 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-01-07 18:22:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:18,077 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:22:18,109 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 [2019-01-07 18:22:18,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:22:18,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:22:18,115 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:22:18,118 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:22:18,118 WARN L385 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))))) [2019-01-07 18:22:18,118 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:22:18,746 INFO L273 TraceCheckUtils]: 49: Hoare triple {13810#false} assume !false; {13810#false} is VALID [2019-01-07 18:22:18,748 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 [2019-01-07 18:22:18,749 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 [2019-01-07 18:22:18,750 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 [2019-01-07 18:22:18,751 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 [2019-01-07 18:22:18,752 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 [2019-01-07 18:22:18,753 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 [2019-01-07 18:22:18,754 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 [2019-01-07 18:22:18,755 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 [2019-01-07 18:22:18,756 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 [2019-01-07 18:22:18,757 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 [2019-01-07 18:22:18,758 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 [2019-01-07 18:22:18,759 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 [2019-01-07 18:22:18,760 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 [2019-01-07 18:22:18,761 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 [2019-01-07 18:22:18,762 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 [2019-01-07 18:22:18,763 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 [2019-01-07 18:22:18,764 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 [2019-01-07 18:22:18,765 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 [2019-01-07 18:22:18,766 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 [2019-01-07 18:22:18,767 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 [2019-01-07 18:22:18,768 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 [2019-01-07 18:22:18,769 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 [2019-01-07 18:22:18,770 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 [2019-01-07 18:22:18,771 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 [2019-01-07 18:22:18,772 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 [2019-01-07 18:22:18,773 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 [2019-01-07 18:22:18,774 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 [2019-01-07 18:22:18,775 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 [2019-01-07 18:22:18,776 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 [2019-01-07 18:22:18,777 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 [2019-01-07 18:22:18,779 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 [2019-01-07 18:22:18,780 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 [2019-01-07 18:22:18,781 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 [2019-01-07 18:22:18,782 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 [2019-01-07 18:22:18,783 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 [2019-01-07 18:22:18,784 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 [2019-01-07 18:22:18,785 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 [2019-01-07 18:22:18,786 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 [2019-01-07 18:22:18,787 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 [2019-01-07 18:22:18,788 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 [2019-01-07 18:22:18,789 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 [2019-01-07 18:22:18,790 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 [2019-01-07 18:22:18,791 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 [2019-01-07 18:22:18,792 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 [2019-01-07 18:22:18,793 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 [2019-01-07 18:22:18,794 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 [2019-01-07 18:22:18,795 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 [2019-01-07 18:22:18,796 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 [2019-01-07 18:22:18,797 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 [2019-01-07 18:22:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:18,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:22:18,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 75 [2019-01-07 18:22:18,823 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:22:18,824 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2019-01-07 18:22:18,824 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:22:18,824 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 76 states. [2019-01-07 18:22:18,901 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:22:18,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 76 states [2019-01-07 18:22:18,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2019-01-07 18:22:18,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=5477, Unknown=0, NotChecked=0, Total=5700 [2019-01-07 18:22:18,902 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 76 states. [2019-01-07 18:22:29,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:29,025 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2019-01-07 18:22:29,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-01-07 18:22:29,026 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 50 [2019-01-07 18:22:29,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:22:29,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-07 18:22:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2019-01-07 18:22:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-07 18:22:29,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2019-01-07 18:22:29,028 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 53 states and 58 transitions. [2019-01-07 18:22:29,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:22:29,187 INFO L225 Difference]: With dead ends: 78 [2019-01-07 18:22:29,188 INFO L226 Difference]: Without dead ends: 52 [2019-01-07 18:22:29,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 55 SyntacticMatches, 18 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1665 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=472, Invalid=9830, Unknown=0, NotChecked=0, Total=10302 [2019-01-07 18:22:29,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-07 18:22:30,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-01-07 18:22:30,126 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:22:30,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 52 states. [2019-01-07 18:22:30,127 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2019-01-07 18:22:30,127 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2019-01-07 18:22:30,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:30,128 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-01-07 18:22:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-01-07 18:22:30,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:30,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:30,129 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2019-01-07 18:22:30,129 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2019-01-07 18:22:30,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:30,130 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2019-01-07 18:22:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-01-07 18:22:30,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:30,130 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:30,131 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:22:30,131 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:22:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-07 18:22:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2019-01-07 18:22:30,132 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 50 [2019-01-07 18:22:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:22:30,132 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2019-01-07 18:22:30,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 76 states. [2019-01-07 18:22:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-01-07 18:22:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-07 18:22:30,133 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:22:30,133 INFO L402 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1, 1] [2019-01-07 18:22:30,133 INFO L423 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:22:30,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:22:30,133 INFO L82 PathProgramCache]: Analyzing trace with hash -596041908, now seen corresponding path program 35 times [2019-01-07 18:22:30,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:22:30,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:30,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:22:30,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:30,134 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:22:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:30,638 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 [2019-01-07 18:22:30,639 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 [2019-01-07 18:22:30,640 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 [2019-01-07 18:22:30,641 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 [2019-01-07 18:22:30,642 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 [2019-01-07 18:22:30,643 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 [2019-01-07 18:22:30,644 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 [2019-01-07 18:22:30,644 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 [2019-01-07 18:22:30,645 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 [2019-01-07 18:22:30,646 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 [2019-01-07 18:22:30,647 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 [2019-01-07 18:22:30,648 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 [2019-01-07 18:22:30,649 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 [2019-01-07 18:22:30,650 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 [2019-01-07 18:22:30,651 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 [2019-01-07 18:22:30,652 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 [2019-01-07 18:22:30,652 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 [2019-01-07 18:22:30,653 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 [2019-01-07 18:22:30,654 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 [2019-01-07 18:22:30,655 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 [2019-01-07 18:22:30,656 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 [2019-01-07 18:22:30,657 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 [2019-01-07 18:22:30,658 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 [2019-01-07 18:22:30,659 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 [2019-01-07 18:22:30,659 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 [2019-01-07 18:22:30,660 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 [2019-01-07 18:22:30,661 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 [2019-01-07 18:22:30,662 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 [2019-01-07 18:22:30,663 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 [2019-01-07 18:22:30,664 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 [2019-01-07 18:22:30,665 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 [2019-01-07 18:22:30,666 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 [2019-01-07 18:22:30,667 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 [2019-01-07 18:22:30,668 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 [2019-01-07 18:22:30,668 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 [2019-01-07 18:22:30,669 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 [2019-01-07 18:22:30,670 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 [2019-01-07 18:22:30,671 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 [2019-01-07 18:22:30,672 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 [2019-01-07 18:22:30,673 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 [2019-01-07 18:22:30,674 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 [2019-01-07 18:22:30,675 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 [2019-01-07 18:22:30,675 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 [2019-01-07 18:22:30,676 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 [2019-01-07 18:22:30,677 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 [2019-01-07 18:22:30,678 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 [2019-01-07 18:22:30,679 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 [2019-01-07 18:22:30,680 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 [2019-01-07 18:22:30,681 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 [2019-01-07 18:22:30,681 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 [2019-01-07 18:22:30,681 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-01-07 18:22:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:30,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:30,684 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:22:30,684 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:22:30,684 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:22:30,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:30,685 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 [2019-01-07 18:22:30,692 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:22:30,693 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:22:30,795 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2019-01-07 18:22:30,795 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:22:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:30,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:22:31,086 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 [2019-01-07 18:22:31,087 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 [2019-01-07 18:22:31,088 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 [2019-01-07 18:22:31,089 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 [2019-01-07 18:22:31,090 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 [2019-01-07 18:22:31,091 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 [2019-01-07 18:22:31,091 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 [2019-01-07 18:22:31,092 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 [2019-01-07 18:22:31,093 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 [2019-01-07 18:22:31,094 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 [2019-01-07 18:22:31,095 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 [2019-01-07 18:22:31,096 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 [2019-01-07 18:22:31,097 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 [2019-01-07 18:22:31,098 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 [2019-01-07 18:22:31,098 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 [2019-01-07 18:22:31,099 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 [2019-01-07 18:22:31,100 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 [2019-01-07 18:22:31,101 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 [2019-01-07 18:22:31,102 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 [2019-01-07 18:22:31,103 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 [2019-01-07 18:22:31,104 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 [2019-01-07 18:22:31,105 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 [2019-01-07 18:22:31,105 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 [2019-01-07 18:22:31,106 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 [2019-01-07 18:22:31,107 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 [2019-01-07 18:22:31,108 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 [2019-01-07 18:22:31,109 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 [2019-01-07 18:22:31,110 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 [2019-01-07 18:22:31,111 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 [2019-01-07 18:22:31,112 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 [2019-01-07 18:22:31,112 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 [2019-01-07 18:22:31,113 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 [2019-01-07 18:22:31,114 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 [2019-01-07 18:22:31,115 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 [2019-01-07 18:22:31,116 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 [2019-01-07 18:22:31,117 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 [2019-01-07 18:22:31,118 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 [2019-01-07 18:22:31,119 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 [2019-01-07 18:22:31,119 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 [2019-01-07 18:22:31,120 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 [2019-01-07 18:22:31,121 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 [2019-01-07 18:22:31,122 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 [2019-01-07 18:22:31,123 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 [2019-01-07 18:22:31,124 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 [2019-01-07 18:22:31,125 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 [2019-01-07 18:22:31,125 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 [2019-01-07 18:22:31,126 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 [2019-01-07 18:22:31,127 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 [2019-01-07 18:22:31,128 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 [2019-01-07 18:22:31,129 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 [2019-01-07 18:22:31,129 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-01-07 18:22:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:31,132 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:22:31,949 INFO L273 TraceCheckUtils]: 50: Hoare triple {14593#false} assume !false; {14593#false} is VALID [2019-01-07 18:22:31,950 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 [2019-01-07 18:22:31,951 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 [2019-01-07 18:22:31,952 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 [2019-01-07 18:22:31,953 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 [2019-01-07 18:22:31,954 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 [2019-01-07 18:22:31,955 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 [2019-01-07 18:22:31,956 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 [2019-01-07 18:22:31,957 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 [2019-01-07 18:22:31,958 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 [2019-01-07 18:22:31,959 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 [2019-01-07 18:22:31,960 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 [2019-01-07 18:22:31,961 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 [2019-01-07 18:22:31,961 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 [2019-01-07 18:22:31,962 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 [2019-01-07 18:22:31,963 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 [2019-01-07 18:22:31,964 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 [2019-01-07 18:22:31,965 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 [2019-01-07 18:22:31,966 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 [2019-01-07 18:22:31,967 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 [2019-01-07 18:22:31,968 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 [2019-01-07 18:22:31,969 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 [2019-01-07 18:22:31,970 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 [2019-01-07 18:22:31,971 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 [2019-01-07 18:22:31,972 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 [2019-01-07 18:22:31,973 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 [2019-01-07 18:22:31,974 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 [2019-01-07 18:22:31,975 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 [2019-01-07 18:22:31,976 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 [2019-01-07 18:22:31,977 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 [2019-01-07 18:22:31,978 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 [2019-01-07 18:22:31,979 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 [2019-01-07 18:22:31,980 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 [2019-01-07 18:22:31,981 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 [2019-01-07 18:22:31,982 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 [2019-01-07 18:22:31,983 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 [2019-01-07 18:22:31,983 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 [2019-01-07 18:22:31,984 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 [2019-01-07 18:22:31,985 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 [2019-01-07 18:22:31,986 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 [2019-01-07 18:22:31,987 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 [2019-01-07 18:22:31,988 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 [2019-01-07 18:22:31,989 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 [2019-01-07 18:22:31,990 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 [2019-01-07 18:22:31,991 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 [2019-01-07 18:22:31,992 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 [2019-01-07 18:22:31,993 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 [2019-01-07 18:22:31,994 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 [2019-01-07 18:22:31,995 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 [2019-01-07 18:22:31,996 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 [2019-01-07 18:22:31,997 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 [2019-01-07 18:22:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 276 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:32,020 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:22:32,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 26 [2019-01-07 18:22:32,020 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:22:32,020 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2019-01-07 18:22:32,021 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:22:32,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states. [2019-01-07 18:22:32,081 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:22:32,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-01-07 18:22:32,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-01-07 18:22:32,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2019-01-07 18:22:32,082 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 27 states. [2019-01-07 18:22:33,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:33,999 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-01-07 18:22:33,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-01-07 18:22:33,999 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 51 [2019-01-07 18:22:33,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:22:33,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-07 18:22:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2019-01-07 18:22:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-07 18:22:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2019-01-07 18:22:34,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 51 states and 56 transitions. [2019-01-07 18:22:34,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:22:34,053 INFO L225 Difference]: With dead ends: 55 [2019-01-07 18:22:34,054 INFO L226 Difference]: Without dead ends: 53 [2019-01-07 18:22:34,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 77 SyntacticMatches, 48 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=975, Invalid=1575, Unknown=0, NotChecked=0, Total=2550 [2019-01-07 18:22:34,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-01-07 18:22:35,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-01-07 18:22:35,227 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:22:35,227 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2019-01-07 18:22:35,227 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2019-01-07 18:22:35,227 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2019-01-07 18:22:35,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:35,229 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-01-07 18:22:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-01-07 18:22:35,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:35,229 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:35,230 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2019-01-07 18:22:35,230 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2019-01-07 18:22:35,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:35,231 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2019-01-07 18:22:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-01-07 18:22:35,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:35,231 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:35,231 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:22:35,232 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:22:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-07 18:22:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2019-01-07 18:22:35,232 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 51 [2019-01-07 18:22:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:22:35,233 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2019-01-07 18:22:35,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-01-07 18:22:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-01-07 18:22:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-01-07 18:22:35,233 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:22:35,234 INFO L402 BasicCegarLoop]: trace histogram [24, 24, 1, 1, 1, 1] [2019-01-07 18:22:35,234 INFO L423 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:22:35,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:22:35,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1297428150, now seen corresponding path program 36 times [2019-01-07 18:22:35,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:22:35,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:35,235 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:22:35,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:35,235 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:22:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:37,231 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 [2019-01-07 18:22:37,232 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 [2019-01-07 18:22:37,233 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 [2019-01-07 18:22:37,233 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 [2019-01-07 18:22:37,234 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 [2019-01-07 18:22:37,235 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 [2019-01-07 18:22:37,235 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 [2019-01-07 18:22:37,236 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 [2019-01-07 18:22:37,237 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 [2019-01-07 18:22:37,238 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 [2019-01-07 18:22:37,239 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 [2019-01-07 18:22:37,241 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 [2019-01-07 18:22:37,242 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 [2019-01-07 18:22:37,243 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 [2019-01-07 18:22:37,244 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 [2019-01-07 18:22:37,245 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 [2019-01-07 18:22:37,246 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 [2019-01-07 18:22:37,247 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 [2019-01-07 18:22:37,248 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 [2019-01-07 18:22:37,249 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 [2019-01-07 18:22:37,250 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 [2019-01-07 18:22:37,251 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 [2019-01-07 18:22:37,252 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 [2019-01-07 18:22:37,253 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 [2019-01-07 18:22:37,254 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 [2019-01-07 18:22:37,255 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 [2019-01-07 18:22:37,256 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 [2019-01-07 18:22:37,257 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 [2019-01-07 18:22:37,258 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 [2019-01-07 18:22:37,259 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 [2019-01-07 18:22:37,260 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 [2019-01-07 18:22:37,261 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 [2019-01-07 18:22:37,262 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 [2019-01-07 18:22:37,263 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 [2019-01-07 18:22:37,264 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 [2019-01-07 18:22:37,265 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 [2019-01-07 18:22:37,266 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 [2019-01-07 18:22:37,267 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 [2019-01-07 18:22:37,269 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 [2019-01-07 18:22:37,270 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 [2019-01-07 18:22:37,271 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 [2019-01-07 18:22:37,272 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 [2019-01-07 18:22:37,273 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 [2019-01-07 18:22:37,274 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 [2019-01-07 18:22:37,275 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 [2019-01-07 18:22:37,276 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 [2019-01-07 18:22:37,277 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 [2019-01-07 18:22:37,278 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 [2019-01-07 18:22:37,279 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 [2019-01-07 18:22:37,280 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 [2019-01-07 18:22:37,281 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 [2019-01-07 18:22:37,281 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-01-07 18:22:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:37,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:37,286 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:22:37,286 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:22:37,286 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:22:37,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:37,286 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 [2019-01-07 18:22:37,296 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:22:37,296 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:22:37,327 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:22:37,327 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:22:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:37,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:22:39,245 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 [2019-01-07 18:22:39,254 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:22:39,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:22:39,259 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:22:39,262 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:22:39,262 WARN L385 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))) [2019-01-07 18:22:39,262 WARN L386 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))) [2019-01-07 18:22:39,348 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 [2019-01-07 18:22:39,348 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 [2019-01-07 18:22:39,348 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 [2019-01-07 18:22:39,348 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 [2019-01-07 18:22:39,349 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 [2019-01-07 18:22:39,349 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 [2019-01-07 18:22:39,349 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 [2019-01-07 18:22:39,349 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 [2019-01-07 18:22:39,349 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 [2019-01-07 18:22:39,349 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 [2019-01-07 18:22:39,350 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 [2019-01-07 18:22:39,350 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 [2019-01-07 18:22:39,350 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 [2019-01-07 18:22:39,350 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 [2019-01-07 18:22:39,350 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 [2019-01-07 18:22:39,350 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 [2019-01-07 18:22:39,350 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,351 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 [2019-01-07 18:22:39,352 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 [2019-01-07 18:22:39,353 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 [2019-01-07 18:22:39,353 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 [2019-01-07 18:22:39,354 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 [2019-01-07 18:22:39,354 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 [2019-01-07 18:22:39,355 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 [2019-01-07 18:22:39,356 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 [2019-01-07 18:22:39,357 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 [2019-01-07 18:22:39,358 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 [2019-01-07 18:22:39,359 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 [2019-01-07 18:22:39,360 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 [2019-01-07 18:22:39,362 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 [2019-01-07 18:22:39,363 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 [2019-01-07 18:22:39,364 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 [2019-01-07 18:22:39,365 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 [2019-01-07 18:22:39,366 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 [2019-01-07 18:22:39,367 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 [2019-01-07 18:22:39,368 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 [2019-01-07 18:22:39,369 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 [2019-01-07 18:22:39,370 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 [2019-01-07 18:22:39,371 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 [2019-01-07 18:22:39,372 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 [2019-01-07 18:22:39,373 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 [2019-01-07 18:22:39,374 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 [2019-01-07 18:22:39,375 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 [2019-01-07 18:22:39,377 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 [2019-01-07 18:22:39,377 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-01-07 18:22:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2019-01-07 18:22:39,382 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:22:39,495 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 [2019-01-07 18:22:39,496 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:22:39,508 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:22:39,508 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:22:41,573 INFO L273 TraceCheckUtils]: 51: Hoare triple {15287#false} assume !false; {15287#false} is VALID [2019-01-07 18:22:41,574 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 [2019-01-07 18:22:41,576 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 [2019-01-07 18:22:41,577 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 [2019-01-07 18:22:41,578 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 [2019-01-07 18:22:41,579 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 [2019-01-07 18:22:41,580 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 [2019-01-07 18:22:41,581 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 [2019-01-07 18:22:41,582 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 [2019-01-07 18:22:41,583 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 [2019-01-07 18:22:41,584 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 [2019-01-07 18:22:41,585 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 [2019-01-07 18:22:41,587 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 [2019-01-07 18:22:41,588 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 [2019-01-07 18:22:41,589 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 [2019-01-07 18:22:41,590 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 [2019-01-07 18:22:41,591 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 [2019-01-07 18:22:41,592 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 [2019-01-07 18:22:41,593 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 [2019-01-07 18:22:41,595 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 [2019-01-07 18:22:41,596 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 [2019-01-07 18:22:41,597 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 [2019-01-07 18:22:41,598 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 [2019-01-07 18:22:41,599 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 [2019-01-07 18:22:41,600 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 [2019-01-07 18:22:41,601 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 [2019-01-07 18:22:41,602 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 [2019-01-07 18:22:41,603 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 [2019-01-07 18:22:41,603 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 [2019-01-07 18:22:41,603 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 [2019-01-07 18:22:41,603 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 [2019-01-07 18:22:41,603 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 [2019-01-07 18:22:41,604 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 [2019-01-07 18:22:41,604 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 [2019-01-07 18:22:41,604 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 [2019-01-07 18:22:41,604 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 [2019-01-07 18:22:41,604 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 [2019-01-07 18:22:41,605 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 [2019-01-07 18:22:41,605 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 [2019-01-07 18:22:41,605 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 [2019-01-07 18:22:41,605 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 [2019-01-07 18:22:41,605 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 [2019-01-07 18:22:41,605 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 [2019-01-07 18:22:41,605 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,606 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 [2019-01-07 18:22:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2019-01-07 18:22:41,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:22:41,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 27, 27] total 102 [2019-01-07 18:22:41,630 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:22:41,630 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2019-01-07 18:22:41,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:22:41,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states. [2019-01-07 18:22:41,708 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:22:41,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 77 states [2019-01-07 18:22:41,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2019-01-07 18:22:41,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1402, Invalid=8900, Unknown=0, NotChecked=0, Total=10302 [2019-01-07 18:22:41,710 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 77 states. [2019-01-07 18:22:55,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:55,854 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2019-01-07 18:22:55,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2019-01-07 18:22:55,854 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 52 [2019-01-07 18:22:55,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:22:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-07 18:22:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-01-07 18:22:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-07 18:22:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-01-07 18:22:55,857 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 80 states and 87 transitions. [2019-01-07 18:22:55,960 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:22:55,961 INFO L225 Difference]: With dead ends: 83 [2019-01-07 18:22:55,961 INFO L226 Difference]: Without dead ends: 55 [2019-01-07 18:22:55,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=2275, Invalid=14755, Unknown=0, NotChecked=0, Total=17030 [2019-01-07 18:22:55,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-07 18:22:57,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-01-07 18:22:57,056 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:22:57,056 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2019-01-07 18:22:57,056 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2019-01-07 18:22:57,056 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2019-01-07 18:22:57,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:57,058 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-01-07 18:22:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-01-07 18:22:57,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:57,059 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:57,059 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2019-01-07 18:22:57,059 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2019-01-07 18:22:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:22:57,060 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-01-07 18:22:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-01-07 18:22:57,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:22:57,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:22:57,061 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:22:57,061 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:22:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-01-07 18:22:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2019-01-07 18:22:57,062 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 52 [2019-01-07 18:22:57,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:22:57,062 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2019-01-07 18:22:57,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 77 states. [2019-01-07 18:22:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2019-01-07 18:22:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-01-07 18:22:57,063 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:22:57,063 INFO L402 BasicCegarLoop]: trace histogram [25, 25, 1, 1, 1, 1] [2019-01-07 18:22:57,063 INFO L423 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:22:57,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:22:57,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1904013259, now seen corresponding path program 37 times [2019-01-07 18:22:57,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:22:57,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:57,064 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:22:57,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:22:57,064 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:22:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:59,134 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 [2019-01-07 18:22:59,135 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 [2019-01-07 18:22:59,136 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 [2019-01-07 18:22:59,137 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 [2019-01-07 18:22:59,138 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 [2019-01-07 18:22:59,139 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 [2019-01-07 18:22:59,140 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 [2019-01-07 18:22:59,141 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 [2019-01-07 18:22:59,142 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 [2019-01-07 18:22:59,143 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 [2019-01-07 18:22:59,144 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 [2019-01-07 18:22:59,145 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 [2019-01-07 18:22:59,146 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 [2019-01-07 18:22:59,147 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 [2019-01-07 18:22:59,147 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 [2019-01-07 18:22:59,148 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 [2019-01-07 18:22:59,149 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 [2019-01-07 18:22:59,150 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 [2019-01-07 18:22:59,151 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 [2019-01-07 18:22:59,152 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 [2019-01-07 18:22:59,153 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 [2019-01-07 18:22:59,154 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 [2019-01-07 18:22:59,155 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 [2019-01-07 18:22:59,156 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 [2019-01-07 18:22:59,157 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 [2019-01-07 18:22:59,158 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 [2019-01-07 18:22:59,159 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 [2019-01-07 18:22:59,160 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 [2019-01-07 18:22:59,161 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 [2019-01-07 18:22:59,162 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 [2019-01-07 18:22:59,163 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 [2019-01-07 18:22:59,164 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 [2019-01-07 18:22:59,165 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 [2019-01-07 18:22:59,166 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 [2019-01-07 18:22:59,167 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 [2019-01-07 18:22:59,168 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 [2019-01-07 18:22:59,169 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 [2019-01-07 18:22:59,170 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 [2019-01-07 18:22:59,171 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 [2019-01-07 18:22:59,172 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 [2019-01-07 18:22:59,173 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 [2019-01-07 18:22:59,174 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 [2019-01-07 18:22:59,193 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 [2019-01-07 18:22:59,194 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 [2019-01-07 18:22:59,194 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 [2019-01-07 18:22:59,195 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 [2019-01-07 18:22:59,195 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 [2019-01-07 18:22:59,196 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 [2019-01-07 18:22:59,197 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 [2019-01-07 18:22:59,198 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 [2019-01-07 18:22:59,199 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 [2019-01-07 18:22:59,200 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 [2019-01-07 18:22:59,201 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 [2019-01-07 18:22:59,202 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-01-07 18:22:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:22:59,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:59,207 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:22:59,207 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:22:59,207 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:22:59,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:22:59,207 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 [2019-01-07 18:22:59,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:22:59,216 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:22:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:22:59,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:23:01,225 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 [2019-01-07 18:23:01,226 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:23:01,231 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:23:01,231 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:23:01,234 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:23:01,234 WARN L385 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)) [2019-01-07 18:23:01,234 WARN L386 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))) [2019-01-07 18:23:01,313 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 [2019-01-07 18:23:01,314 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 [2019-01-07 18:23:01,315 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 [2019-01-07 18:23:01,316 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 [2019-01-07 18:23:01,317 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 [2019-01-07 18:23:01,320 INFO L273 TraceCheckUtils]: 5: Hoare triple {16141#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {16142#(and (<= 5 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 5))} is VALID [2019-01-07 18:23:01,321 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 [2019-01-07 18:23:01,322 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 [2019-01-07 18:23:01,323 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 [2019-01-07 18:23:01,324 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 [2019-01-07 18:23:01,325 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 [2019-01-07 18:23:01,326 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 [2019-01-07 18:23:01,327 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 [2019-01-07 18:23:01,328 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 [2019-01-07 18:23:01,329 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 [2019-01-07 18:23:01,330 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 [2019-01-07 18:23:01,332 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 [2019-01-07 18:23:01,333 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 [2019-01-07 18:23:01,334 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 [2019-01-07 18:23:01,335 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 [2019-01-07 18:23:01,336 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 [2019-01-07 18:23:01,337 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 [2019-01-07 18:23:01,338 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 [2019-01-07 18:23:01,339 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 [2019-01-07 18:23:01,340 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 [2019-01-07 18:23:01,341 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 [2019-01-07 18:23:01,342 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 [2019-01-07 18:23:01,343 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 [2019-01-07 18:23:01,344 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 [2019-01-07 18:23:01,345 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 [2019-01-07 18:23:01,346 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 [2019-01-07 18:23:01,347 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 [2019-01-07 18:23:01,348 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 [2019-01-07 18:23:01,349 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 [2019-01-07 18:23:01,349 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 [2019-01-07 18:23:01,350 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 [2019-01-07 18:23:01,351 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 [2019-01-07 18:23:01,352 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 [2019-01-07 18:23:01,353 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 [2019-01-07 18:23:01,354 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 [2019-01-07 18:23:01,354 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 [2019-01-07 18:23:01,355 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 [2019-01-07 18:23:01,356 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 [2019-01-07 18:23:01,357 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 [2019-01-07 18:23:01,358 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 [2019-01-07 18:23:01,359 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 [2019-01-07 18:23:01,360 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 [2019-01-07 18:23:01,360 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 [2019-01-07 18:23:01,361 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 [2019-01-07 18:23:01,362 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 [2019-01-07 18:23:01,363 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 [2019-01-07 18:23:01,364 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 [2019-01-07 18:23:01,365 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 [2019-01-07 18:23:01,366 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-01-07 18:23:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:01,373 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:23:01,405 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 [2019-01-07 18:23:01,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:23:01,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:23:01,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:23:01,414 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:23:01,414 WARN L385 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))))) [2019-01-07 18:23:01,414 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:23:02,159 INFO L273 TraceCheckUtils]: 53: Hoare triple {16136#false} assume !false; {16136#false} is VALID [2019-01-07 18:23:02,160 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 [2019-01-07 18:23:02,161 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 [2019-01-07 18:23:02,162 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 [2019-01-07 18:23:02,162 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 [2019-01-07 18:23:02,163 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 [2019-01-07 18:23:02,164 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 [2019-01-07 18:23:02,165 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 [2019-01-07 18:23:02,166 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 [2019-01-07 18:23:02,167 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 [2019-01-07 18:23:02,168 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 [2019-01-07 18:23:02,170 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 [2019-01-07 18:23:02,171 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 [2019-01-07 18:23:02,172 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 [2019-01-07 18:23:02,173 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 [2019-01-07 18:23:02,195 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 [2019-01-07 18:23:02,197 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 [2019-01-07 18:23:02,198 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 [2019-01-07 18:23:02,199 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 [2019-01-07 18:23:02,199 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 [2019-01-07 18:23:02,200 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 [2019-01-07 18:23:02,201 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 [2019-01-07 18:23:02,202 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 [2019-01-07 18:23:02,203 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 [2019-01-07 18:23:02,204 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 [2019-01-07 18:23:02,205 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 [2019-01-07 18:23:02,206 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 [2019-01-07 18:23:02,207 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 [2019-01-07 18:23:02,228 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 [2019-01-07 18:23:02,242 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 [2019-01-07 18:23:02,258 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 [2019-01-07 18:23:02,273 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 [2019-01-07 18:23:02,282 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 [2019-01-07 18:23:02,295 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 [2019-01-07 18:23:02,304 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 [2019-01-07 18:23:02,319 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 [2019-01-07 18:23:02,328 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 [2019-01-07 18:23:02,345 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 [2019-01-07 18:23:02,354 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 [2019-01-07 18:23:02,366 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 [2019-01-07 18:23:02,379 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 [2019-01-07 18:23:02,392 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 [2019-01-07 18:23:02,404 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 [2019-01-07 18:23:02,418 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 [2019-01-07 18:23:02,427 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 [2019-01-07 18:23:02,439 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 [2019-01-07 18:23:02,447 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 [2019-01-07 18:23:02,449 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 [2019-01-07 18:23:02,449 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 [2019-01-07 18:23:02,451 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 [2019-01-07 18:23:02,452 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 [2019-01-07 18:23:02,453 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 [2019-01-07 18:23:02,454 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 [2019-01-07 18:23:02,455 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 [2019-01-07 18:23:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:02,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:23:02,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 81 [2019-01-07 18:23:02,479 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:23:02,479 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2019-01-07 18:23:02,479 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:23:02,480 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 82 states. [2019-01-07 18:23:02,570 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:23:02,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 82 states [2019-01-07 18:23:02,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2019-01-07 18:23:02,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=6401, Unknown=0, NotChecked=0, Total=6642 [2019-01-07 18:23:02,572 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 82 states. [2019-01-07 18:23:14,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:14,732 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2019-01-07 18:23:14,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-01-07 18:23:14,732 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 54 [2019-01-07 18:23:14,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:23:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-01-07 18:23:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2019-01-07 18:23:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-01-07 18:23:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2019-01-07 18:23:14,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 57 states and 62 transitions. [2019-01-07 18:23:14,807 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:23:14,808 INFO L225 Difference]: With dead ends: 84 [2019-01-07 18:23:14,808 INFO L226 Difference]: Without dead ends: 56 [2019-01-07 18:23:14,809 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 [2019-01-07 18:23:14,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-01-07 18:23:15,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-01-07 18:23:15,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:23:15,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2019-01-07 18:23:15,898 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2019-01-07 18:23:15,898 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2019-01-07 18:23:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:15,899 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-01-07 18:23:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-07 18:23:15,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:23:15,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:23:15,900 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2019-01-07 18:23:15,900 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2019-01-07 18:23:15,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:15,901 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-01-07 18:23:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-07 18:23:15,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:23:15,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:23:15,901 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:23:15,902 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:23:15,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-07 18:23:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2019-01-07 18:23:15,902 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 54 [2019-01-07 18:23:15,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:23:15,903 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2019-01-07 18:23:15,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 82 states. [2019-01-07 18:23:15,903 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-07 18:23:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-01-07 18:23:15,903 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:23:15,903 INFO L402 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1, 1] [2019-01-07 18:23:15,903 INFO L423 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:23:15,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:23:15,904 INFO L82 PathProgramCache]: Analyzing trace with hash 488997932, now seen corresponding path program 38 times [2019-01-07 18:23:15,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:23:15,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:23:15,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:23:15,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:23:15,905 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:23:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:23:16,631 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 [2019-01-07 18:23:16,632 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 [2019-01-07 18:23:16,632 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 [2019-01-07 18:23:16,633 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 [2019-01-07 18:23:16,634 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 [2019-01-07 18:23:16,635 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 [2019-01-07 18:23:16,636 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 [2019-01-07 18:23:16,637 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 [2019-01-07 18:23:16,637 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 [2019-01-07 18:23:16,638 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 [2019-01-07 18:23:16,639 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 [2019-01-07 18:23:16,640 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 [2019-01-07 18:23:16,641 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 [2019-01-07 18:23:16,642 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 [2019-01-07 18:23:16,643 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 [2019-01-07 18:23:16,644 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 [2019-01-07 18:23:16,645 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 [2019-01-07 18:23:16,646 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 [2019-01-07 18:23:16,647 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 [2019-01-07 18:23:16,648 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 [2019-01-07 18:23:16,649 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 [2019-01-07 18:23:16,650 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 [2019-01-07 18:23:16,651 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 [2019-01-07 18:23:16,651 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 [2019-01-07 18:23:16,652 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 [2019-01-07 18:23:16,653 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 [2019-01-07 18:23:16,654 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 [2019-01-07 18:23:16,655 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 [2019-01-07 18:23:16,656 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 [2019-01-07 18:23:16,657 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 [2019-01-07 18:23:16,658 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 [2019-01-07 18:23:16,659 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 [2019-01-07 18:23:16,660 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 [2019-01-07 18:23:16,661 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 [2019-01-07 18:23:16,662 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 [2019-01-07 18:23:16,663 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 [2019-01-07 18:23:16,664 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 [2019-01-07 18:23:16,665 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 [2019-01-07 18:23:16,666 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 [2019-01-07 18:23:16,666 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 [2019-01-07 18:23:16,667 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 [2019-01-07 18:23:16,668 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 [2019-01-07 18:23:16,669 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 [2019-01-07 18:23:16,670 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 [2019-01-07 18:23:16,671 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 [2019-01-07 18:23:16,672 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 [2019-01-07 18:23:16,673 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 [2019-01-07 18:23:16,674 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 [2019-01-07 18:23:16,675 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 [2019-01-07 18:23:16,676 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 [2019-01-07 18:23:16,677 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 [2019-01-07 18:23:16,678 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 [2019-01-07 18:23:16,678 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 [2019-01-07 18:23:16,679 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 [2019-01-07 18:23:16,679 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-01-07 18:23:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:16,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:23:16,683 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:23:16,683 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:23:16,683 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:23:16,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:23:16,684 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 [2019-01-07 18:23:16,692 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:23:16,692 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:23:16,809 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2019-01-07 18:23:16,809 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:23:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:23:16,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:23:17,129 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 [2019-01-07 18:23:17,130 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 [2019-01-07 18:23:17,131 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 [2019-01-07 18:23:17,132 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 [2019-01-07 18:23:17,133 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 [2019-01-07 18:23:17,134 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 [2019-01-07 18:23:17,135 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 [2019-01-07 18:23:17,135 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 [2019-01-07 18:23:17,136 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 [2019-01-07 18:23:17,137 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 [2019-01-07 18:23:17,138 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 [2019-01-07 18:23:17,139 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 [2019-01-07 18:23:17,140 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 [2019-01-07 18:23:17,141 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 [2019-01-07 18:23:17,142 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 [2019-01-07 18:23:17,143 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 [2019-01-07 18:23:17,144 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 [2019-01-07 18:23:17,145 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 [2019-01-07 18:23:17,146 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 [2019-01-07 18:23:17,147 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 [2019-01-07 18:23:17,147 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 [2019-01-07 18:23:17,148 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 [2019-01-07 18:23:17,149 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 [2019-01-07 18:23:17,150 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 [2019-01-07 18:23:17,151 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 [2019-01-07 18:23:17,152 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 [2019-01-07 18:23:17,153 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 [2019-01-07 18:23:17,154 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 [2019-01-07 18:23:17,155 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 [2019-01-07 18:23:17,156 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 [2019-01-07 18:23:17,157 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 [2019-01-07 18:23:17,158 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 [2019-01-07 18:23:17,159 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 [2019-01-07 18:23:17,160 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 [2019-01-07 18:23:17,161 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 [2019-01-07 18:23:17,161 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 [2019-01-07 18:23:17,162 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 [2019-01-07 18:23:17,163 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 [2019-01-07 18:23:17,164 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 [2019-01-07 18:23:17,165 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 [2019-01-07 18:23:17,166 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 [2019-01-07 18:23:17,167 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 [2019-01-07 18:23:17,168 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 [2019-01-07 18:23:17,169 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 [2019-01-07 18:23:17,170 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 [2019-01-07 18:23:17,171 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 [2019-01-07 18:23:17,172 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 [2019-01-07 18:23:17,172 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 [2019-01-07 18:23:17,173 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 [2019-01-07 18:23:17,174 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 [2019-01-07 18:23:17,175 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 [2019-01-07 18:23:17,176 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 [2019-01-07 18:23:17,177 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 [2019-01-07 18:23:17,178 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 [2019-01-07 18:23:17,178 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-01-07 18:23:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:17,181 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:23:18,117 INFO L273 TraceCheckUtils]: 54: Hoare triple {16981#false} assume !false; {16981#false} is VALID [2019-01-07 18:23:18,118 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 [2019-01-07 18:23:18,118 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 [2019-01-07 18:23:18,119 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 [2019-01-07 18:23:18,120 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 [2019-01-07 18:23:18,120 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 [2019-01-07 18:23:18,121 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 [2019-01-07 18:23:18,121 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 [2019-01-07 18:23:18,122 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 [2019-01-07 18:23:18,123 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 [2019-01-07 18:23:18,124 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 [2019-01-07 18:23:18,125 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 [2019-01-07 18:23:18,126 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 [2019-01-07 18:23:18,127 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 [2019-01-07 18:23:18,128 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 [2019-01-07 18:23:18,129 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 [2019-01-07 18:23:18,130 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 [2019-01-07 18:23:18,131 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 [2019-01-07 18:23:18,131 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 [2019-01-07 18:23:18,132 INFO L273 TraceCheckUtils]: 35: Hoare triple {17000#(<= 18 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {16999#(<= 17 ULTIMATE.start_main_~i~6)} is VALID [2019-01-07 18:23:18,133 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 [2019-01-07 18:23:18,134 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 [2019-01-07 18:23:18,135 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 [2019-01-07 18:23:18,136 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 [2019-01-07 18:23:18,137 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 [2019-01-07 18:23:18,138 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 [2019-01-07 18:23:18,139 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 [2019-01-07 18:23:18,140 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 [2019-01-07 18:23:18,141 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 [2019-01-07 18:23:18,142 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 [2019-01-07 18:23:18,143 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 [2019-01-07 18:23:18,144 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 [2019-01-07 18:23:18,145 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 [2019-01-07 18:23:18,145 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 [2019-01-07 18:23:18,146 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 [2019-01-07 18:23:18,147 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 [2019-01-07 18:23:18,148 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 [2019-01-07 18:23:18,149 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 [2019-01-07 18:23:18,150 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 [2019-01-07 18:23:18,151 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 [2019-01-07 18:23:18,152 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 [2019-01-07 18:23:18,153 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 [2019-01-07 18:23:18,154 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 [2019-01-07 18:23:18,155 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 [2019-01-07 18:23:18,156 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 [2019-01-07 18:23:18,157 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 [2019-01-07 18:23:18,158 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 [2019-01-07 18:23:18,159 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 [2019-01-07 18:23:18,160 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 [2019-01-07 18:23:18,160 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 [2019-01-07 18:23:18,161 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 [2019-01-07 18:23:18,162 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 [2019-01-07 18:23:18,163 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 [2019-01-07 18:23:18,164 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 [2019-01-07 18:23:18,165 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 [2019-01-07 18:23:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 325 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:18,189 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:23:18,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 28 [2019-01-07 18:23:18,189 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:23:18,190 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2019-01-07 18:23:18,190 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:23:18,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2019-01-07 18:23:18,256 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:23:18,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-01-07 18:23:18,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-01-07 18:23:18,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2019-01-07 18:23:18,257 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 29 states. [2019-01-07 18:23:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:20,408 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-01-07 18:23:20,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-01-07 18:23:20,408 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2019-01-07 18:23:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:23:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-07 18:23:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2019-01-07 18:23:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-07 18:23:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2019-01-07 18:23:20,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 60 transitions. [2019-01-07 18:23:20,471 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:23:20,472 INFO L225 Difference]: With dead ends: 59 [2019-01-07 18:23:20,473 INFO L226 Difference]: Without dead ends: 57 [2019-01-07 18:23:20,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 83 SyntacticMatches, 52 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1134, Invalid=1836, Unknown=0, NotChecked=0, Total=2970 [2019-01-07 18:23:20,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-07 18:23:21,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-07 18:23:21,785 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:23:21,785 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 57 states. [2019-01-07 18:23:21,785 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2019-01-07 18:23:21,785 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2019-01-07 18:23:21,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:21,786 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2019-01-07 18:23:21,786 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-07 18:23:21,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:23:21,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:23:21,787 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2019-01-07 18:23:21,787 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2019-01-07 18:23:21,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:21,788 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2019-01-07 18:23:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-07 18:23:21,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:23:21,788 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:23:21,789 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:23:21,789 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:23:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-07 18:23:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2019-01-07 18:23:21,789 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 55 [2019-01-07 18:23:21,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:23:21,790 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2019-01-07 18:23:21,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-01-07 18:23:21,790 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-07 18:23:21,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-07 18:23:21,790 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:23:21,790 INFO L402 BasicCegarLoop]: trace histogram [26, 26, 1, 1, 1, 1] [2019-01-07 18:23:21,790 INFO L423 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:23:21,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:23:21,791 INFO L82 PathProgramCache]: Analyzing trace with hash -2020931478, now seen corresponding path program 39 times [2019-01-07 18:23:21,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:23:21,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:23:21,792 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:23:21,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:23:21,792 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:23:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:23:24,025 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 [2019-01-07 18:23:24,027 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 [2019-01-07 18:23:24,027 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 [2019-01-07 18:23:24,029 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 [2019-01-07 18:23:24,030 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 [2019-01-07 18:23:24,031 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 [2019-01-07 18:23:24,032 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 [2019-01-07 18:23:24,033 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 [2019-01-07 18:23:24,034 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 [2019-01-07 18:23:24,035 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 [2019-01-07 18:23:24,036 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 [2019-01-07 18:23:24,037 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 [2019-01-07 18:23:24,038 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 [2019-01-07 18:23:24,039 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 [2019-01-07 18:23:24,040 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 [2019-01-07 18:23:24,041 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 [2019-01-07 18:23:24,042 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 [2019-01-07 18:23:24,044 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 [2019-01-07 18:23:24,045 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 [2019-01-07 18:23:24,050 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 [2019-01-07 18:23:24,051 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 [2019-01-07 18:23:24,052 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 [2019-01-07 18:23:24,052 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 [2019-01-07 18:23:24,054 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 [2019-01-07 18:23:24,056 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 [2019-01-07 18:23:24,057 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 [2019-01-07 18:23:24,059 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 [2019-01-07 18:23:24,059 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 [2019-01-07 18:23:24,061 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 [2019-01-07 18:23:24,062 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 [2019-01-07 18:23:24,063 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 [2019-01-07 18:23:24,064 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 [2019-01-07 18:23:24,065 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 [2019-01-07 18:23:24,066 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 [2019-01-07 18:23:24,067 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 [2019-01-07 18:23:24,068 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 [2019-01-07 18:23:24,070 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 [2019-01-07 18:23:24,071 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 [2019-01-07 18:23:24,072 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 [2019-01-07 18:23:24,073 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 [2019-01-07 18:23:24,074 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 [2019-01-07 18:23:24,075 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 [2019-01-07 18:23:24,076 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 [2019-01-07 18:23:24,077 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 [2019-01-07 18:23:24,082 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 [2019-01-07 18:23:24,082 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 [2019-01-07 18:23:24,087 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 [2019-01-07 18:23:24,087 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 [2019-01-07 18:23:24,090 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 [2019-01-07 18:23:24,091 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 [2019-01-07 18:23:24,093 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 [2019-01-07 18:23:24,093 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 [2019-01-07 18:23:24,095 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 [2019-01-07 18:23:24,096 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 [2019-01-07 18:23:24,097 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 [2019-01-07 18:23:24,097 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-01-07 18:23:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:24,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:23:24,102 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:23:24,102 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:23:24,102 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:23:24,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:23:24,103 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 [2019-01-07 18:23:24,111 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:23:24,111 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:23:24,147 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:23:24,148 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:23:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:23:24,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:23:26,125 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 [2019-01-07 18:23:26,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:23:26,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:23:26,134 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:23:26,137 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:23:26,137 WARN L385 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))) [2019-01-07 18:23:26,137 WARN L386 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))) [2019-01-07 18:23:26,226 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 [2019-01-07 18:23:26,226 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 [2019-01-07 18:23:26,226 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 [2019-01-07 18:23:26,227 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 [2019-01-07 18:23:26,227 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 [2019-01-07 18:23:26,227 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 [2019-01-07 18:23:26,227 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 [2019-01-07 18:23:26,227 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 [2019-01-07 18:23:26,227 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 [2019-01-07 18:23:26,228 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 [2019-01-07 18:23:26,228 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 [2019-01-07 18:23:26,228 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 [2019-01-07 18:23:26,228 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 [2019-01-07 18:23:26,228 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 [2019-01-07 18:23:26,229 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 [2019-01-07 18:23:26,229 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 [2019-01-07 18:23:26,229 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 [2019-01-07 18:23:26,229 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 [2019-01-07 18:23:26,229 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,230 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 [2019-01-07 18:23:26,231 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 [2019-01-07 18:23:26,232 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 [2019-01-07 18:23:26,232 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 [2019-01-07 18:23:26,233 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 [2019-01-07 18:23:26,233 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 [2019-01-07 18:23:26,234 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 [2019-01-07 18:23:26,235 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 [2019-01-07 18:23:26,236 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 [2019-01-07 18:23:26,237 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 [2019-01-07 18:23:26,238 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 [2019-01-07 18:23:26,239 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 [2019-01-07 18:23:26,240 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 [2019-01-07 18:23:26,241 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 [2019-01-07 18:23:26,242 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 [2019-01-07 18:23:26,243 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 [2019-01-07 18:23:26,244 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 [2019-01-07 18:23:26,245 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 [2019-01-07 18:23:26,247 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 [2019-01-07 18:23:26,248 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 [2019-01-07 18:23:26,249 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 [2019-01-07 18:23:26,250 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 [2019-01-07 18:23:26,251 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 [2019-01-07 18:23:26,252 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 [2019-01-07 18:23:26,253 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 [2019-01-07 18:23:26,254 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 [2019-01-07 18:23:26,255 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 [2019-01-07 18:23:26,256 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 [2019-01-07 18:23:26,258 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 [2019-01-07 18:23:26,258 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-01-07 18:23:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-01-07 18:23:26,262 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:23:26,386 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 [2019-01-07 18:23:26,388 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:23:26,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:23:26,400 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:23:28,795 INFO L273 TraceCheckUtils]: 55: Hoare triple {17729#false} assume !false; {17729#false} is VALID [2019-01-07 18:23:28,796 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 [2019-01-07 18:23:28,798 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 [2019-01-07 18:23:28,799 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 [2019-01-07 18:23:28,800 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 [2019-01-07 18:23:28,801 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 [2019-01-07 18:23:28,802 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 [2019-01-07 18:23:28,804 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 [2019-01-07 18:23:28,805 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 [2019-01-07 18:23:28,806 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 [2019-01-07 18:23:28,807 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 [2019-01-07 18:23:28,808 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 [2019-01-07 18:23:28,809 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 [2019-01-07 18:23:28,810 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 [2019-01-07 18:23:28,812 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 [2019-01-07 18:23:28,813 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 [2019-01-07 18:23:28,814 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 [2019-01-07 18:23:28,815 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 [2019-01-07 18:23:28,816 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 [2019-01-07 18:23:28,817 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 [2019-01-07 18:23:28,819 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 [2019-01-07 18:23:28,820 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 [2019-01-07 18:23:28,821 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 [2019-01-07 18:23:28,822 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 [2019-01-07 18:23:28,823 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 [2019-01-07 18:23:28,825 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 [2019-01-07 18:23:28,826 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 [2019-01-07 18:23:28,827 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 [2019-01-07 18:23:28,828 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 [2019-01-07 18:23:28,828 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 [2019-01-07 18:23:28,828 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 [2019-01-07 18:23:28,829 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 [2019-01-07 18:23:28,829 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 [2019-01-07 18:23:28,829 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 [2019-01-07 18:23:28,829 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 [2019-01-07 18:23:28,829 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 [2019-01-07 18:23:28,830 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 [2019-01-07 18:23:28,830 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 [2019-01-07 18:23:28,830 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 [2019-01-07 18:23:28,830 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 [2019-01-07 18:23:28,830 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 [2019-01-07 18:23:28,830 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,831 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 [2019-01-07 18:23:28,832 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 [2019-01-07 18:23:28,832 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 [2019-01-07 18:23:28,832 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 [2019-01-07 18:23:28,832 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 [2019-01-07 18:23:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-01-07 18:23:28,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:23:28,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 29, 29] total 110 [2019-01-07 18:23:28,856 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:23:28,856 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2019-01-07 18:23:28,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:23:28,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 83 states. [2019-01-07 18:23:28,999 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:23:28,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 83 states [2019-01-07 18:23:29,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2019-01-07 18:23:29,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1622, Invalid=10368, Unknown=0, NotChecked=0, Total=11990 [2019-01-07 18:23:29,000 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 83 states. [2019-01-07 18:23:45,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:45,327 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2019-01-07 18:23:45,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2019-01-07 18:23:45,328 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 56 [2019-01-07 18:23:45,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:23:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-07 18:23:45,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2019-01-07 18:23:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-07 18:23:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2019-01-07 18:23:45,330 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 86 states and 93 transitions. [2019-01-07 18:23:45,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:23:45,434 INFO L225 Difference]: With dead ends: 89 [2019-01-07 18:23:45,435 INFO L226 Difference]: Without dead ends: 59 [2019-01-07 18:23:45,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=2617, Invalid=17123, Unknown=0, NotChecked=0, Total=19740 [2019-01-07 18:23:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-07 18:23:46,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-07 18:23:46,653 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:23:46,654 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2019-01-07 18:23:46,654 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2019-01-07 18:23:46,654 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2019-01-07 18:23:46,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:46,655 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-01-07 18:23:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-01-07 18:23:46,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:23:46,655 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:23:46,656 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2019-01-07 18:23:46,656 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2019-01-07 18:23:46,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:23:46,656 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-01-07 18:23:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-01-07 18:23:46,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:23:46,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:23:46,657 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:23:46,657 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:23:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-07 18:23:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2019-01-07 18:23:46,658 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 56 [2019-01-07 18:23:46,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:23:46,658 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2019-01-07 18:23:46,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 83 states. [2019-01-07 18:23:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-01-07 18:23:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-07 18:23:46,659 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:23:46,659 INFO L402 BasicCegarLoop]: trace histogram [27, 27, 1, 1, 1, 1] [2019-01-07 18:23:46,659 INFO L423 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:23:46,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:23:46,660 INFO L82 PathProgramCache]: Analyzing trace with hash -190119787, now seen corresponding path program 40 times [2019-01-07 18:23:46,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:23:46,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:23:46,660 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:23:46,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:23:46,661 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:23:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:23:48,893 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 [2019-01-07 18:23:48,894 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 [2019-01-07 18:23:48,895 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 [2019-01-07 18:23:48,896 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 [2019-01-07 18:23:48,897 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 [2019-01-07 18:23:48,898 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 [2019-01-07 18:23:48,899 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 [2019-01-07 18:23:48,900 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 [2019-01-07 18:23:48,901 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 [2019-01-07 18:23:48,902 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 [2019-01-07 18:23:48,903 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 [2019-01-07 18:23:48,904 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 [2019-01-07 18:23:48,905 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 [2019-01-07 18:23:48,906 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 [2019-01-07 18:23:48,907 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 [2019-01-07 18:23:48,908 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 [2019-01-07 18:23:48,909 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 [2019-01-07 18:23:48,910 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 [2019-01-07 18:23:48,911 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 [2019-01-07 18:23:48,912 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 [2019-01-07 18:23:48,913 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 [2019-01-07 18:23:48,914 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 [2019-01-07 18:23:48,915 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 [2019-01-07 18:23:48,916 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 [2019-01-07 18:23:48,917 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 [2019-01-07 18:23:48,918 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 [2019-01-07 18:23:48,919 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 [2019-01-07 18:23:48,920 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 [2019-01-07 18:23:48,921 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 [2019-01-07 18:23:48,922 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 [2019-01-07 18:23:48,923 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 [2019-01-07 18:23:48,924 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 [2019-01-07 18:23:48,925 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 [2019-01-07 18:23:48,926 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 [2019-01-07 18:23:48,927 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 [2019-01-07 18:23:48,928 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 [2019-01-07 18:23:48,929 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 [2019-01-07 18:23:48,930 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 [2019-01-07 18:23:48,931 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 [2019-01-07 18:23:48,932 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 [2019-01-07 18:23:48,933 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 [2019-01-07 18:23:48,934 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 [2019-01-07 18:23:48,935 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 [2019-01-07 18:23:48,936 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 [2019-01-07 18:23:48,937 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 [2019-01-07 18:23:48,938 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 [2019-01-07 18:23:48,939 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 [2019-01-07 18:23:48,940 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 [2019-01-07 18:23:48,941 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 [2019-01-07 18:23:48,942 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 [2019-01-07 18:23:48,943 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 [2019-01-07 18:23:48,943 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 [2019-01-07 18:23:48,944 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 [2019-01-07 18:23:48,950 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 [2019-01-07 18:23:48,950 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 [2019-01-07 18:23:48,951 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 [2019-01-07 18:23:48,952 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 [2019-01-07 18:23:48,952 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-01-07 18:23:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:48,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:23:48,959 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:23:48,959 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:23:48,959 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:23:48,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:23:48,959 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 [2019-01-07 18:23:48,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:23:48,968 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:23:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:23:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:23:49,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:23:51,454 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 [2019-01-07 18:23:51,455 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:23:51,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:23:51,469 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:23:51,471 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:23:51,471 WARN L385 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)) [2019-01-07 18:23:51,471 WARN L386 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)) [2019-01-07 18:23:51,556 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 [2019-01-07 18:23:51,557 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 [2019-01-07 18:23:51,558 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 [2019-01-07 18:23:51,559 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 [2019-01-07 18:23:51,560 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 [2019-01-07 18:23:51,561 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 [2019-01-07 18:23:51,562 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 [2019-01-07 18:23:51,563 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 [2019-01-07 18:23:51,565 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 [2019-01-07 18:23:51,566 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 [2019-01-07 18:23:51,567 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 [2019-01-07 18:23:51,568 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 [2019-01-07 18:23:51,569 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 [2019-01-07 18:23:51,570 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 [2019-01-07 18:23:51,571 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 [2019-01-07 18:23:51,572 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 [2019-01-07 18:23:51,573 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 [2019-01-07 18:23:51,574 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 [2019-01-07 18:23:51,575 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 [2019-01-07 18:23:51,576 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 [2019-01-07 18:23:51,577 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 [2019-01-07 18:23:51,578 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 [2019-01-07 18:23:51,579 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 [2019-01-07 18:23:51,580 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 [2019-01-07 18:23:51,581 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 [2019-01-07 18:23:51,582 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 [2019-01-07 18:23:51,583 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 [2019-01-07 18:23:51,584 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 [2019-01-07 18:23:51,585 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 [2019-01-07 18:23:51,586 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 [2019-01-07 18:23:51,587 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 [2019-01-07 18:23:51,588 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 [2019-01-07 18:23:51,588 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 [2019-01-07 18:23:51,589 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 [2019-01-07 18:23:51,590 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 [2019-01-07 18:23:51,591 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 [2019-01-07 18:23:51,592 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 [2019-01-07 18:23:51,593 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 [2019-01-07 18:23:51,594 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 [2019-01-07 18:23:51,594 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 [2019-01-07 18:23:51,595 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 [2019-01-07 18:23:51,596 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 [2019-01-07 18:23:51,597 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 [2019-01-07 18:23:51,598 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 [2019-01-07 18:23:51,599 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 [2019-01-07 18:23:51,600 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 [2019-01-07 18:23:51,601 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 [2019-01-07 18:23:51,602 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 [2019-01-07 18:23:51,603 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 [2019-01-07 18:23:51,603 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 [2019-01-07 18:23:51,604 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 [2019-01-07 18:23:51,605 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 [2019-01-07 18:23:51,606 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 [2019-01-07 18:23:51,607 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 [2019-01-07 18:23:51,608 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 [2019-01-07 18:23:51,609 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 [2019-01-07 18:23:51,610 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 [2019-01-07 18:23:51,610 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-01-07 18:23:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:51,617 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:23:51,648 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 [2019-01-07 18:23:51,650 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:23:51,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:23:51,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:23:51,657 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:23:51,657 WARN L385 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))))) [2019-01-07 18:23:51,657 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:23:52,625 INFO L273 TraceCheckUtils]: 57: Hoare triple {18642#false} assume !false; {18642#false} is VALID [2019-01-07 18:23:52,626 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 [2019-01-07 18:23:52,627 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 [2019-01-07 18:23:52,628 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 [2019-01-07 18:23:52,630 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 [2019-01-07 18:23:52,631 INFO L273 TraceCheckUtils]: 52: Hoare triple {18694#(= (+ ULTIMATE.start_main_~j~6 4) ULTIMATE.start_main_~MAX~6)} assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; {18695#(= (+ ULTIMATE.start_main_~j~6 3) ULTIMATE.start_main_~MAX~6)} is VALID [2019-01-07 18:23:52,632 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 [2019-01-07 18:23:52,633 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 [2019-01-07 18:23:52,634 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 [2019-01-07 18:23:52,635 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 [2019-01-07 18:23:52,636 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 [2019-01-07 18:23:52,637 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 [2019-01-07 18:23:52,638 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 [2019-01-07 18:23:52,639 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 [2019-01-07 18:23:52,640 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 [2019-01-07 18:23:52,641 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 [2019-01-07 18:23:52,642 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 [2019-01-07 18:23:52,643 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 [2019-01-07 18:23:52,644 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 [2019-01-07 18:23:52,645 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 [2019-01-07 18:23:52,646 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 [2019-01-07 18:23:52,648 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 [2019-01-07 18:23:52,649 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 [2019-01-07 18:23:52,650 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 [2019-01-07 18:23:52,651 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 [2019-01-07 18:23:52,652 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 [2019-01-07 18:23:52,653 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 [2019-01-07 18:23:52,654 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 [2019-01-07 18:23:52,655 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 [2019-01-07 18:23:52,656 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 [2019-01-07 18:23:52,657 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 [2019-01-07 18:23:52,658 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 [2019-01-07 18:23:52,659 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 [2019-01-07 18:23:52,660 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 [2019-01-07 18:23:52,661 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 [2019-01-07 18:23:52,662 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 [2019-01-07 18:23:52,663 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 [2019-01-07 18:23:52,664 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 [2019-01-07 18:23:52,666 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 [2019-01-07 18:23:52,667 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 [2019-01-07 18:23:52,668 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 [2019-01-07 18:23:52,669 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 [2019-01-07 18:23:52,670 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 [2019-01-07 18:23:52,671 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 [2019-01-07 18:23:52,672 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 [2019-01-07 18:23:52,673 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 [2019-01-07 18:23:52,674 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 [2019-01-07 18:23:52,675 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 [2019-01-07 18:23:52,676 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 [2019-01-07 18:23:52,677 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 [2019-01-07 18:23:52,678 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 [2019-01-07 18:23:52,679 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 [2019-01-07 18:23:52,680 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 [2019-01-07 18:23:52,681 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 [2019-01-07 18:23:52,682 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 [2019-01-07 18:23:52,683 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 [2019-01-07 18:23:52,684 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 [2019-01-07 18:23:52,685 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 [2019-01-07 18:23:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:23:52,710 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:23:52,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 87 [2019-01-07 18:23:52,710 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:23:52,710 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2019-01-07 18:23:52,711 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:23:52,711 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 88 states. [2019-01-07 18:23:52,796 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:23:52,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 88 states [2019-01-07 18:23:52,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2019-01-07 18:23:52,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=7397, Unknown=0, NotChecked=0, Total=7656 [2019-01-07 18:23:52,798 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 88 states. [2019-01-07 18:24:07,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:07,612 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2019-01-07 18:24:07,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-01-07 18:24:07,612 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 58 [2019-01-07 18:24:07,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:24:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-01-07 18:24:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-01-07 18:24:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-01-07 18:24:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-01-07 18:24:07,615 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 61 states and 66 transitions. [2019-01-07 18:24:07,688 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:24:07,689 INFO L225 Difference]: With dead ends: 90 [2019-01-07 18:24:07,690 INFO L226 Difference]: Without dead ends: 60 [2019-01-07 18:24:07,691 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 [2019-01-07 18:24:07,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-07 18:24:09,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-07 18:24:09,000 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:24:09,000 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2019-01-07 18:24:09,000 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2019-01-07 18:24:09,000 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2019-01-07 18:24:09,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:09,002 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2019-01-07 18:24:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-07 18:24:09,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:24:09,002 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:24:09,002 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2019-01-07 18:24:09,003 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2019-01-07 18:24:09,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:09,004 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2019-01-07 18:24:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-07 18:24:09,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:24:09,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:24:09,004 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:24:09,004 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:24:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-07 18:24:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-01-07 18:24:09,005 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 58 [2019-01-07 18:24:09,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:24:09,005 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-01-07 18:24:09,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 88 states. [2019-01-07 18:24:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-07 18:24:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-01-07 18:24:09,006 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:24:09,006 INFO L402 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1, 1] [2019-01-07 18:24:09,006 INFO L423 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:24:09,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:24:09,006 INFO L82 PathProgramCache]: Analyzing trace with hash -998989556, now seen corresponding path program 41 times [2019-01-07 18:24:09,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:24:09,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:24:09,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:24:09,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:24:09,007 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:24:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:24:10,340 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 [2019-01-07 18:24:10,341 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 [2019-01-07 18:24:10,342 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 [2019-01-07 18:24:10,343 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 [2019-01-07 18:24:10,344 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 [2019-01-07 18:24:10,345 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 [2019-01-07 18:24:10,346 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 [2019-01-07 18:24:10,347 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 [2019-01-07 18:24:10,348 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 [2019-01-07 18:24:10,349 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 [2019-01-07 18:24:10,350 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 [2019-01-07 18:24:10,351 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 [2019-01-07 18:24:10,352 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 [2019-01-07 18:24:10,353 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 [2019-01-07 18:24:10,354 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 [2019-01-07 18:24:10,354 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 [2019-01-07 18:24:10,355 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 [2019-01-07 18:24:10,356 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 [2019-01-07 18:24:10,357 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 [2019-01-07 18:24:10,358 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 [2019-01-07 18:24:10,359 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 [2019-01-07 18:24:10,360 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 [2019-01-07 18:24:10,361 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 [2019-01-07 18:24:10,362 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 [2019-01-07 18:24:10,363 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 [2019-01-07 18:24:10,364 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 [2019-01-07 18:24:10,365 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 [2019-01-07 18:24:10,366 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 [2019-01-07 18:24:10,367 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 [2019-01-07 18:24:10,368 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 [2019-01-07 18:24:10,369 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 [2019-01-07 18:24:10,370 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 [2019-01-07 18:24:10,371 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 [2019-01-07 18:24:10,372 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 [2019-01-07 18:24:10,372 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 [2019-01-07 18:24:10,373 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 [2019-01-07 18:24:10,374 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 [2019-01-07 18:24:10,375 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 [2019-01-07 18:24:10,376 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 [2019-01-07 18:24:10,377 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 [2019-01-07 18:24:10,400 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 [2019-01-07 18:24:10,407 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 [2019-01-07 18:24:10,408 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 [2019-01-07 18:24:10,408 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 [2019-01-07 18:24:10,409 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 [2019-01-07 18:24:10,409 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 [2019-01-07 18:24:10,410 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 [2019-01-07 18:24:10,411 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 [2019-01-07 18:24:10,412 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 [2019-01-07 18:24:10,413 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 [2019-01-07 18:24:10,414 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 [2019-01-07 18:24:10,415 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 [2019-01-07 18:24:10,416 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 [2019-01-07 18:24:10,416 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 [2019-01-07 18:24:10,417 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 [2019-01-07 18:24:10,418 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 [2019-01-07 18:24:10,419 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 [2019-01-07 18:24:10,420 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 [2019-01-07 18:24:10,420 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-01-07 18:24:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:24:10,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:24:10,423 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:24:10,423 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:24:10,424 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:24:10,424 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:24:10,424 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 [2019-01-07 18:24:10,432 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:24:10,433 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:24:10,566 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-01-07 18:24:10,567 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:24:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:24:10,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:24:10,924 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 [2019-01-07 18:24:10,925 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 [2019-01-07 18:24:10,926 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 [2019-01-07 18:24:10,927 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 [2019-01-07 18:24:10,928 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 [2019-01-07 18:24:10,929 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 [2019-01-07 18:24:10,930 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 [2019-01-07 18:24:10,931 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 [2019-01-07 18:24:10,931 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 [2019-01-07 18:24:10,932 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 [2019-01-07 18:24:10,933 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 [2019-01-07 18:24:10,934 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 [2019-01-07 18:24:10,935 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 [2019-01-07 18:24:10,936 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 [2019-01-07 18:24:10,937 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 [2019-01-07 18:24:10,938 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 [2019-01-07 18:24:10,939 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 [2019-01-07 18:24:10,940 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 [2019-01-07 18:24:10,941 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 [2019-01-07 18:24:10,942 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 [2019-01-07 18:24:10,943 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 [2019-01-07 18:24:10,944 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 [2019-01-07 18:24:10,944 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 [2019-01-07 18:24:10,945 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 [2019-01-07 18:24:10,946 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 [2019-01-07 18:24:10,947 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 [2019-01-07 18:24:10,948 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 [2019-01-07 18:24:10,949 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 [2019-01-07 18:24:10,950 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 [2019-01-07 18:24:10,951 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 [2019-01-07 18:24:10,952 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 [2019-01-07 18:24:10,953 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 [2019-01-07 18:24:10,954 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 [2019-01-07 18:24:10,955 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 [2019-01-07 18:24:10,956 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 [2019-01-07 18:24:10,957 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 [2019-01-07 18:24:10,958 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 [2019-01-07 18:24:10,959 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 [2019-01-07 18:24:10,959 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 [2019-01-07 18:24:10,960 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 [2019-01-07 18:24:10,961 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 [2019-01-07 18:24:10,962 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 [2019-01-07 18:24:10,963 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 [2019-01-07 18:24:10,964 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 [2019-01-07 18:24:10,965 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 [2019-01-07 18:24:10,966 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 [2019-01-07 18:24:10,967 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 [2019-01-07 18:24:10,968 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 [2019-01-07 18:24:10,969 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 [2019-01-07 18:24:10,970 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 [2019-01-07 18:24:10,971 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 [2019-01-07 18:24:10,971 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 [2019-01-07 18:24:10,972 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 [2019-01-07 18:24:10,973 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 [2019-01-07 18:24:10,974 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 [2019-01-07 18:24:10,975 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 [2019-01-07 18:24:10,976 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 [2019-01-07 18:24:10,976 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 [2019-01-07 18:24:10,977 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-01-07 18:24:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:24:10,980 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:24:11,966 INFO L273 TraceCheckUtils]: 58: Hoare triple {19549#false} assume !false; {19549#false} is VALID [2019-01-07 18:24:11,967 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 [2019-01-07 18:24:11,967 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 [2019-01-07 18:24:11,968 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 [2019-01-07 18:24:11,968 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 [2019-01-07 18:24:11,969 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 [2019-01-07 18:24:11,970 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 [2019-01-07 18:24:11,971 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 [2019-01-07 18:24:11,972 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 [2019-01-07 18:24:11,973 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 [2019-01-07 18:24:11,974 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 [2019-01-07 18:24:11,974 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 [2019-01-07 18:24:11,975 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 [2019-01-07 18:24:11,976 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 [2019-01-07 18:24:11,977 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 [2019-01-07 18:24:11,978 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 [2019-01-07 18:24:11,979 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 [2019-01-07 18:24:11,980 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 [2019-01-07 18:24:11,981 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 [2019-01-07 18:24:11,982 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 [2019-01-07 18:24:11,983 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 [2019-01-07 18:24:11,984 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 [2019-01-07 18:24:11,985 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 [2019-01-07 18:24:11,986 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 [2019-01-07 18:24:11,986 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 [2019-01-07 18:24:11,987 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 [2019-01-07 18:24:11,988 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 [2019-01-07 18:24:11,989 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 [2019-01-07 18:24:11,990 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 [2019-01-07 18:24:11,991 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 [2019-01-07 18:24:11,992 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 [2019-01-07 18:24:11,993 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 [2019-01-07 18:24:11,994 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 [2019-01-07 18:24:11,995 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 [2019-01-07 18:24:11,996 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 [2019-01-07 18:24:11,997 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 [2019-01-07 18:24:11,998 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 [2019-01-07 18:24:11,998 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 [2019-01-07 18:24:11,999 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 [2019-01-07 18:24:12,000 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 [2019-01-07 18:24:12,001 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 [2019-01-07 18:24:12,002 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 [2019-01-07 18:24:12,003 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 [2019-01-07 18:24:12,004 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 [2019-01-07 18:24:12,005 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 [2019-01-07 18:24:12,006 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 [2019-01-07 18:24:12,007 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 [2019-01-07 18:24:12,008 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 [2019-01-07 18:24:12,009 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 [2019-01-07 18:24:12,010 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 [2019-01-07 18:24:12,010 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 [2019-01-07 18:24:12,011 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 [2019-01-07 18:24:12,012 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 [2019-01-07 18:24:12,013 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 [2019-01-07 18:24:12,014 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 [2019-01-07 18:24:12,015 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 [2019-01-07 18:24:12,016 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 [2019-01-07 18:24:12,017 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 [2019-01-07 18:24:12,018 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 [2019-01-07 18:24:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 378 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:24:12,041 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:24:12,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30 [2019-01-07 18:24:12,041 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:24:12,042 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2019-01-07 18:24:12,042 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:24:12,042 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states. [2019-01-07 18:24:12,113 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:24:12,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-01-07 18:24:12,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-01-07 18:24:12,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2019-01-07 18:24:12,114 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 31 states. [2019-01-07 18:24:14,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:14,251 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-01-07 18:24:14,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-01-07 18:24:14,251 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2019-01-07 18:24:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:24:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-07 18:24:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-01-07 18:24:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-07 18:24:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-01-07 18:24:14,253 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 59 states and 64 transitions. [2019-01-07 18:24:14,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:24:14,341 INFO L225 Difference]: With dead ends: 63 [2019-01-07 18:24:14,341 INFO L226 Difference]: Without dead ends: 61 [2019-01-07 18:24:14,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 89 SyntacticMatches, 56 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1305, Invalid=2117, Unknown=0, NotChecked=0, Total=3422 [2019-01-07 18:24:14,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-07 18:24:15,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-01-07 18:24:15,921 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:24:15,921 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2019-01-07 18:24:15,921 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2019-01-07 18:24:15,921 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2019-01-07 18:24:15,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:15,923 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2019-01-07 18:24:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-01-07 18:24:15,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:24:15,924 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:24:15,924 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2019-01-07 18:24:15,924 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2019-01-07 18:24:15,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:15,925 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2019-01-07 18:24:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-01-07 18:24:15,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:24:15,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:24:15,926 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:24:15,926 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:24:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-07 18:24:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2019-01-07 18:24:15,927 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 59 [2019-01-07 18:24:15,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:24:15,927 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2019-01-07 18:24:15,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-01-07 18:24:15,927 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2019-01-07 18:24:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-01-07 18:24:15,928 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:24:15,928 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 1, 1, 1, 1] [2019-01-07 18:24:15,928 INFO L423 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:24:15,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:24:15,928 INFO L82 PathProgramCache]: Analyzing trace with hash -903903350, now seen corresponding path program 42 times [2019-01-07 18:24:15,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:24:15,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:24:15,929 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:24:15,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:24:15,930 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:24:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:24:18,353 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 [2019-01-07 18:24:18,354 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 [2019-01-07 18:24:18,355 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 [2019-01-07 18:24:18,356 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 [2019-01-07 18:24:18,357 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 [2019-01-07 18:24:18,358 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 [2019-01-07 18:24:18,359 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 [2019-01-07 18:24:18,360 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 [2019-01-07 18:24:18,361 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 [2019-01-07 18:24:18,362 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 [2019-01-07 18:24:18,363 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 [2019-01-07 18:24:18,364 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 [2019-01-07 18:24:18,365 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 [2019-01-07 18:24:18,366 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 [2019-01-07 18:24:18,367 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 [2019-01-07 18:24:18,369 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 [2019-01-07 18:24:18,370 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 [2019-01-07 18:24:18,371 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 [2019-01-07 18:24:18,372 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 [2019-01-07 18:24:18,373 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 [2019-01-07 18:24:18,374 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 [2019-01-07 18:24:18,375 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 [2019-01-07 18:24:18,376 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 [2019-01-07 18:24:18,377 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 [2019-01-07 18:24:18,378 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 [2019-01-07 18:24:18,379 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 [2019-01-07 18:24:18,380 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 [2019-01-07 18:24:18,381 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 [2019-01-07 18:24:18,382 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 [2019-01-07 18:24:18,383 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 [2019-01-07 18:24:18,384 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 [2019-01-07 18:24:18,386 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 [2019-01-07 18:24:18,387 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 [2019-01-07 18:24:18,388 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 [2019-01-07 18:24:18,389 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 [2019-01-07 18:24:18,390 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 [2019-01-07 18:24:18,391 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 [2019-01-07 18:24:18,392 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 [2019-01-07 18:24:18,393 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 [2019-01-07 18:24:18,394 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 [2019-01-07 18:24:18,395 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 [2019-01-07 18:24:18,396 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 [2019-01-07 18:24:18,397 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 [2019-01-07 18:24:18,398 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 [2019-01-07 18:24:18,399 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 [2019-01-07 18:24:18,400 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 [2019-01-07 18:24:18,401 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 [2019-01-07 18:24:18,402 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 [2019-01-07 18:24:18,403 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 [2019-01-07 18:24:18,404 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 [2019-01-07 18:24:18,405 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 [2019-01-07 18:24:18,406 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 [2019-01-07 18:24:18,407 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 [2019-01-07 18:24:18,408 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 [2019-01-07 18:24:18,409 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 [2019-01-07 18:24:18,411 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 [2019-01-07 18:24:18,412 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 [2019-01-07 18:24:18,413 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 [2019-01-07 18:24:18,414 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 [2019-01-07 18:24:18,414 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-01-07 18:24:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:24:18,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:24:18,420 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:24:18,420 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:24:18,420 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:24:18,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:24:18,421 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 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 [2019-01-07 18:24:18,432 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:24:18,432 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:24:18,472 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:24:18,472 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:24:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:24:18,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:24:20,903 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 [2019-01-07 18:24:20,905 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:24:20,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:24:20,912 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:24:20,914 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:24:20,915 WARN L385 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)) [2019-01-07 18:24:20,915 WARN L386 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))) [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,010 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,011 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,012 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 [2019-01-07 18:24:21,013 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 [2019-01-07 18:24:21,013 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 [2019-01-07 18:24:21,013 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 [2019-01-07 18:24:21,014 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 [2019-01-07 18:24:21,014 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 [2019-01-07 18:24:21,015 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 [2019-01-07 18:24:21,016 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 [2019-01-07 18:24:21,017 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 [2019-01-07 18:24:21,018 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 [2019-01-07 18:24:21,019 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 [2019-01-07 18:24:21,020 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 [2019-01-07 18:24:21,021 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 [2019-01-07 18:24:21,022 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 [2019-01-07 18:24:21,023 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 [2019-01-07 18:24:21,024 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 [2019-01-07 18:24:21,025 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 [2019-01-07 18:24:21,026 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 [2019-01-07 18:24:21,027 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 [2019-01-07 18:24:21,028 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 [2019-01-07 18:24:21,029 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 [2019-01-07 18:24:21,030 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 [2019-01-07 18:24:21,031 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 [2019-01-07 18:24:21,032 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 [2019-01-07 18:24:21,033 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 [2019-01-07 18:24:21,034 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 [2019-01-07 18:24:21,035 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 [2019-01-07 18:24:21,036 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 [2019-01-07 18:24:21,037 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 [2019-01-07 18:24:21,038 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 [2019-01-07 18:24:21,039 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 [2019-01-07 18:24:21,040 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 [2019-01-07 18:24:21,041 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 [2019-01-07 18:24:21,042 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-01-07 18:24:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-01-07 18:24:21,047 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:24:21,175 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 [2019-01-07 18:24:21,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:24:21,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:24:21,188 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:24:21,190 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:24:21,190 WARN L385 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)) [2019-01-07 18:24:21,191 WARN L386 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)) [2019-01-07 18:24:23,843 INFO L273 TraceCheckUtils]: 59: Hoare triple {20351#false} assume !false; {20351#false} is VALID [2019-01-07 18:24:23,845 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 [2019-01-07 18:24:23,846 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 [2019-01-07 18:24:23,847 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 [2019-01-07 18:24:23,849 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 [2019-01-07 18:24:23,850 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 [2019-01-07 18:24:23,851 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 [2019-01-07 18:24:23,852 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 [2019-01-07 18:24:23,853 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 [2019-01-07 18:24:23,854 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 [2019-01-07 18:24:23,856 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 [2019-01-07 18:24:23,857 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 [2019-01-07 18:24:23,858 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 [2019-01-07 18:24:23,859 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 [2019-01-07 18:24:23,860 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 [2019-01-07 18:24:23,861 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 [2019-01-07 18:24:23,863 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 [2019-01-07 18:24:23,864 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 [2019-01-07 18:24:23,865 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 [2019-01-07 18:24:23,866 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 [2019-01-07 18:24:23,867 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 [2019-01-07 18:24:23,868 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 [2019-01-07 18:24:23,870 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 [2019-01-07 18:24:23,871 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 [2019-01-07 18:24:23,872 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 [2019-01-07 18:24:23,873 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 [2019-01-07 18:24:23,874 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 [2019-01-07 18:24:23,875 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 [2019-01-07 18:24:23,877 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 [2019-01-07 18:24:23,878 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 [2019-01-07 18:24:23,879 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 [2019-01-07 18:24:23,879 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 [2019-01-07 18:24:23,879 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 [2019-01-07 18:24:23,879 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 [2019-01-07 18:24:23,880 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 [2019-01-07 18:24:23,880 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 [2019-01-07 18:24:23,880 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 [2019-01-07 18:24:23,880 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 [2019-01-07 18:24:23,880 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 [2019-01-07 18:24:23,881 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 [2019-01-07 18:24:23,881 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 [2019-01-07 18:24:23,881 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 [2019-01-07 18:24:23,881 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 [2019-01-07 18:24:23,881 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 [2019-01-07 18:24:23,881 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,882 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 [2019-01-07 18:24:23,883 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 [2019-01-07 18:24:23,883 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 [2019-01-07 18:24:23,883 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 [2019-01-07 18:24:23,883 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 [2019-01-07 18:24:23,883 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 [2019-01-07 18:24:23,883 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 [2019-01-07 18:24:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-01-07 18:24:23,907 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:24:23,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 31, 31] total 118 [2019-01-07 18:24:23,908 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:24:23,908 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2019-01-07 18:24:23,908 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:24:23,908 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 89 states. [2019-01-07 18:24:23,995 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:24:23,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 89 states [2019-01-07 18:24:23,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2019-01-07 18:24:23,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1858, Invalid=11948, Unknown=0, NotChecked=0, Total=13806 [2019-01-07 18:24:23,996 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 89 states. [2019-01-07 18:24:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:41,578 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2019-01-07 18:24:41,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2019-01-07 18:24:41,579 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 60 [2019-01-07 18:24:41,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:24:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-01-07 18:24:41,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2019-01-07 18:24:41,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-01-07 18:24:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2019-01-07 18:24:41,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 92 states and 99 transitions. [2019-01-07 18:24:41,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:24:41,693 INFO L225 Difference]: With dead ends: 95 [2019-01-07 18:24:41,693 INFO L226 Difference]: Without dead ends: 63 [2019-01-07 18:24:41,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=2983, Invalid=19667, Unknown=0, NotChecked=0, Total=22650 [2019-01-07 18:24:41,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-01-07 18:24:43,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-01-07 18:24:43,130 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:24:43,130 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 63 states. [2019-01-07 18:24:43,130 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2019-01-07 18:24:43,130 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2019-01-07 18:24:43,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:43,131 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-01-07 18:24:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-01-07 18:24:43,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:24:43,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:24:43,132 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states. [2019-01-07 18:24:43,132 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states. [2019-01-07 18:24:43,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:24:43,133 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2019-01-07 18:24:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-01-07 18:24:43,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:24:43,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:24:43,133 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:24:43,133 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:24:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-07 18:24:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2019-01-07 18:24:43,134 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 60 [2019-01-07 18:24:43,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:24:43,135 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2019-01-07 18:24:43,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 89 states. [2019-01-07 18:24:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-01-07 18:24:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-01-07 18:24:43,135 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:24:43,135 INFO L402 BasicCegarLoop]: trace histogram [29, 29, 1, 1, 1, 1] [2019-01-07 18:24:43,135 INFO L423 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:24:43,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:24:43,136 INFO L82 PathProgramCache]: Analyzing trace with hash -228988683, now seen corresponding path program 43 times [2019-01-07 18:24:43,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:24:43,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:24:43,137 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:24:43,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:24:43,137 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:24:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:24:45,425 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 [2019-01-07 18:24:45,427 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 [2019-01-07 18:24:45,428 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 [2019-01-07 18:24:45,429 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 [2019-01-07 18:24:45,430 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 [2019-01-07 18:24:45,431 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 [2019-01-07 18:24:45,432 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 [2019-01-07 18:24:45,433 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 [2019-01-07 18:24:45,434 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 [2019-01-07 18:24:45,435 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 [2019-01-07 18:24:45,436 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 [2019-01-07 18:24:45,437 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 [2019-01-07 18:24:45,438 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 [2019-01-07 18:24:45,439 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 [2019-01-07 18:24:45,440 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 [2019-01-07 18:24:45,441 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 [2019-01-07 18:24:45,442 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 [2019-01-07 18:24:45,443 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 [2019-01-07 18:24:45,444 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 [2019-01-07 18:24:45,445 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 [2019-01-07 18:24:45,446 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 [2019-01-07 18:24:45,447 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 [2019-01-07 18:24:45,448 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 [2019-01-07 18:24:45,449 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 [2019-01-07 18:24:45,450 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 [2019-01-07 18:24:45,451 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 [2019-01-07 18:24:45,452 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 [2019-01-07 18:24:45,453 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 [2019-01-07 18:24:45,454 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 [2019-01-07 18:24:45,456 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 [2019-01-07 18:24:45,457 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 [2019-01-07 18:24:45,458 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 [2019-01-07 18:24:45,459 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 [2019-01-07 18:24:45,460 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 [2019-01-07 18:24:45,461 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 [2019-01-07 18:24:45,462 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 [2019-01-07 18:24:45,463 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 [2019-01-07 18:24:45,464 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 [2019-01-07 18:24:45,465 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 [2019-01-07 18:24:45,466 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 [2019-01-07 18:24:45,467 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 [2019-01-07 18:24:45,468 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 [2019-01-07 18:24:45,469 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 [2019-01-07 18:24:45,470 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 [2019-01-07 18:24:45,471 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 [2019-01-07 18:24:45,472 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 [2019-01-07 18:24:45,473 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 [2019-01-07 18:24:45,474 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 [2019-01-07 18:24:45,475 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 [2019-01-07 18:24:45,476 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 [2019-01-07 18:24:45,477 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 [2019-01-07 18:24:45,478 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 [2019-01-07 18:24:45,479 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 [2019-01-07 18:24:45,480 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 [2019-01-07 18:24:45,481 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 [2019-01-07 18:24:45,482 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 [2019-01-07 18:24:45,483 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 [2019-01-07 18:24:45,484 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 [2019-01-07 18:24:45,485 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 [2019-01-07 18:24:45,487 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 [2019-01-07 18:24:45,488 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 [2019-01-07 18:24:45,488 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-01-07 18:24:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:24:45,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:24:45,495 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:24:45,495 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:24:45,495 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:24:45,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:24:45,495 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 [2019-01-07 18:24:45,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:24:45,504 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:24:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:24:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:24:45,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:24:48,232 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 [2019-01-07 18:24:48,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:24:48,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:24:48,240 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:24:48,243 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:24:48,243 WARN L385 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)) [2019-01-07 18:24:48,243 WARN L386 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)) [2019-01-07 18:24:48,330 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 [2019-01-07 18:24:48,331 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 [2019-01-07 18:24:48,332 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 [2019-01-07 18:24:48,332 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 [2019-01-07 18:24:48,333 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 [2019-01-07 18:24:48,334 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 [2019-01-07 18:24:48,335 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 [2019-01-07 18:24:48,336 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 [2019-01-07 18:24:48,337 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 [2019-01-07 18:24:48,338 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 [2019-01-07 18:24:48,339 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 [2019-01-07 18:24:48,340 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 [2019-01-07 18:24:48,341 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 [2019-01-07 18:24:48,342 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 [2019-01-07 18:24:48,343 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 [2019-01-07 18:24:48,344 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 [2019-01-07 18:24:48,345 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 [2019-01-07 18:24:48,346 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 [2019-01-07 18:24:48,347 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 [2019-01-07 18:24:48,348 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 [2019-01-07 18:24:48,349 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 [2019-01-07 18:24:48,350 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 [2019-01-07 18:24:48,351 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 [2019-01-07 18:24:48,351 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 [2019-01-07 18:24:48,352 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 [2019-01-07 18:24:48,353 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 [2019-01-07 18:24:48,354 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 [2019-01-07 18:24:48,355 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 [2019-01-07 18:24:48,356 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 [2019-01-07 18:24:48,357 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 [2019-01-07 18:24:48,358 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 [2019-01-07 18:24:48,359 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 [2019-01-07 18:24:48,360 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 [2019-01-07 18:24:48,360 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 [2019-01-07 18:24:48,361 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 [2019-01-07 18:24:48,362 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 [2019-01-07 18:24:48,363 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 [2019-01-07 18:24:48,364 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 [2019-01-07 18:24:48,365 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 [2019-01-07 18:24:48,366 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 [2019-01-07 18:24:48,366 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 [2019-01-07 18:24:48,367 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 [2019-01-07 18:24:48,368 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 [2019-01-07 18:24:48,369 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 [2019-01-07 18:24:48,370 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 [2019-01-07 18:24:48,371 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 [2019-01-07 18:24:48,371 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 [2019-01-07 18:24:48,372 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 [2019-01-07 18:24:48,373 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 [2019-01-07 18:24:48,374 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 [2019-01-07 18:24:48,375 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 [2019-01-07 18:24:48,375 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 [2019-01-07 18:24:48,376 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 [2019-01-07 18:24:48,377 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 [2019-01-07 18:24:48,378 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 [2019-01-07 18:24:48,379 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 [2019-01-07 18:24:48,379 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 [2019-01-07 18:24:48,380 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 [2019-01-07 18:24:48,381 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 [2019-01-07 18:24:48,382 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 [2019-01-07 18:24:48,383 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 [2019-01-07 18:24:48,383 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-01-07 18:24:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:24:48,391 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:24:48,419 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 [2019-01-07 18:24:48,422 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:24:48,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:24:48,426 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:24:48,428 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:24:48,428 WARN L385 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))))) [2019-01-07 18:24:48,428 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:24:49,486 INFO L273 TraceCheckUtils]: 61: Hoare triple {21328#false} assume !false; {21328#false} is VALID [2019-01-07 18:24:49,487 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 [2019-01-07 18:24:49,488 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 [2019-01-07 18:24:49,489 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 [2019-01-07 18:24:49,490 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 [2019-01-07 18:24:49,491 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 [2019-01-07 18:24:49,492 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 [2019-01-07 18:24:49,493 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 [2019-01-07 18:24:49,494 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 [2019-01-07 18:24:49,495 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 [2019-01-07 18:24:49,496 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 [2019-01-07 18:24:49,497 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 [2019-01-07 18:24:49,498 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 [2019-01-07 18:24:49,499 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 [2019-01-07 18:24:49,500 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 [2019-01-07 18:24:49,501 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 [2019-01-07 18:24:49,502 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 [2019-01-07 18:24:49,503 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 [2019-01-07 18:24:49,504 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 [2019-01-07 18:24:49,505 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 [2019-01-07 18:24:49,506 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 [2019-01-07 18:24:49,507 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 [2019-01-07 18:24:49,508 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 [2019-01-07 18:24:49,510 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 [2019-01-07 18:24:49,511 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 [2019-01-07 18:24:49,512 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 [2019-01-07 18:24:49,513 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 [2019-01-07 18:24:49,514 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 [2019-01-07 18:24:49,515 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 [2019-01-07 18:24:49,516 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 [2019-01-07 18:24:49,517 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 [2019-01-07 18:24:49,518 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 [2019-01-07 18:24:49,519 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 [2019-01-07 18:24:49,520 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 [2019-01-07 18:24:49,521 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 [2019-01-07 18:24:49,522 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 [2019-01-07 18:24:49,523 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 [2019-01-07 18:24:49,524 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 [2019-01-07 18:24:49,525 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 [2019-01-07 18:24:49,526 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 [2019-01-07 18:24:49,527 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 [2019-01-07 18:24:49,528 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 [2019-01-07 18:24:49,529 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 [2019-01-07 18:24:49,530 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 [2019-01-07 18:24:49,531 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 [2019-01-07 18:24:49,532 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 [2019-01-07 18:24:49,533 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 [2019-01-07 18:24:49,534 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 [2019-01-07 18:24:49,535 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 [2019-01-07 18:24:49,536 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 [2019-01-07 18:24:49,537 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 [2019-01-07 18:24:49,538 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 [2019-01-07 18:24:49,539 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 [2019-01-07 18:24:49,540 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 [2019-01-07 18:24:49,541 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 [2019-01-07 18:24:49,542 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 [2019-01-07 18:24:49,543 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 [2019-01-07 18:24:49,544 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 [2019-01-07 18:24:49,545 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 [2019-01-07 18:24:49,546 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 [2019-01-07 18:24:49,547 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 [2019-01-07 18:24:49,548 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 [2019-01-07 18:24:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:24:49,574 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:24:49,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61, 61] total 93 [2019-01-07 18:24:49,574 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:24:49,574 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2019-01-07 18:24:49,575 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:24:49,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 94 states. [2019-01-07 18:24:49,664 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:24:49,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 94 states [2019-01-07 18:24:49,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2019-01-07 18:24:49,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=8465, Unknown=0, NotChecked=0, Total=8742 [2019-01-07 18:24:49,665 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 94 states. [2019-01-07 18:25:05,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:05,926 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2019-01-07 18:25:05,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-01-07 18:25:05,927 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 62 [2019-01-07 18:25:05,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:25:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-07 18:25:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-07 18:25:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-07 18:25:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-07 18:25:05,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 65 states and 70 transitions. [2019-01-07 18:25:05,999 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:25:06,001 INFO L225 Difference]: With dead ends: 96 [2019-01-07 18:25:06,001 INFO L226 Difference]: Without dead ends: 64 [2019-01-07 18:25:06,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 67 SyntacticMatches, 24 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2625 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=586, Invalid=15164, Unknown=0, NotChecked=0, Total=15750 [2019-01-07 18:25:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-07 18:25:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-01-07 18:25:07,799 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:25:07,799 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2019-01-07 18:25:07,799 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2019-01-07 18:25:07,800 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2019-01-07 18:25:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:07,801 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2019-01-07 18:25:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-01-07 18:25:07,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:25:07,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:25:07,801 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2019-01-07 18:25:07,802 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2019-01-07 18:25:07,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:07,802 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2019-01-07 18:25:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-01-07 18:25:07,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:25:07,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:25:07,803 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:25:07,803 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:25:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-07 18:25:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2019-01-07 18:25:07,803 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 62 [2019-01-07 18:25:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:25:07,804 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2019-01-07 18:25:07,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 94 states. [2019-01-07 18:25:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2019-01-07 18:25:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-01-07 18:25:07,804 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:25:07,804 INFO L402 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1, 1] [2019-01-07 18:25:07,804 INFO L423 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:25:07,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:25:07,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1965001236, now seen corresponding path program 44 times [2019-01-07 18:25:07,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:25:07,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:25:07,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:25:07,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:25:07,805 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:25:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:25:08,567 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 [2019-01-07 18:25:08,568 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 [2019-01-07 18:25:08,569 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 [2019-01-07 18:25:08,570 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 [2019-01-07 18:25:08,571 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 [2019-01-07 18:25:08,572 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 [2019-01-07 18:25:08,573 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 [2019-01-07 18:25:08,574 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 [2019-01-07 18:25:08,575 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 [2019-01-07 18:25:08,576 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 [2019-01-07 18:25:08,577 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 [2019-01-07 18:25:08,577 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 [2019-01-07 18:25:08,578 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 [2019-01-07 18:25:08,579 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 [2019-01-07 18:25:08,580 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 [2019-01-07 18:25:08,581 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 [2019-01-07 18:25:08,582 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 [2019-01-07 18:25:08,583 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 [2019-01-07 18:25:08,584 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 [2019-01-07 18:25:08,585 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 [2019-01-07 18:25:08,586 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 [2019-01-07 18:25:08,587 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 [2019-01-07 18:25:08,588 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 [2019-01-07 18:25:08,589 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 [2019-01-07 18:25:08,590 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 [2019-01-07 18:25:08,590 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 [2019-01-07 18:25:08,591 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 [2019-01-07 18:25:08,592 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 [2019-01-07 18:25:08,593 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 [2019-01-07 18:25:08,594 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 [2019-01-07 18:25:08,595 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 [2019-01-07 18:25:08,596 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 [2019-01-07 18:25:08,597 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 [2019-01-07 18:25:08,598 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 [2019-01-07 18:25:08,599 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 [2019-01-07 18:25:08,600 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 [2019-01-07 18:25:08,601 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 [2019-01-07 18:25:08,602 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 [2019-01-07 18:25:08,603 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 [2019-01-07 18:25:08,604 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 [2019-01-07 18:25:08,604 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 [2019-01-07 18:25:08,605 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 [2019-01-07 18:25:08,606 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 [2019-01-07 18:25:08,607 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 [2019-01-07 18:25:08,608 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 [2019-01-07 18:25:08,609 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 [2019-01-07 18:25:08,610 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 [2019-01-07 18:25:08,611 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 [2019-01-07 18:25:08,612 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 [2019-01-07 18:25:08,613 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 [2019-01-07 18:25:08,614 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 [2019-01-07 18:25:08,615 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 [2019-01-07 18:25:08,615 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 [2019-01-07 18:25:08,616 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 [2019-01-07 18:25:08,617 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 [2019-01-07 18:25:08,618 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 [2019-01-07 18:25:08,619 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 [2019-01-07 18:25:08,620 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 [2019-01-07 18:25:08,621 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 [2019-01-07 18:25:08,622 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 [2019-01-07 18:25:08,623 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 [2019-01-07 18:25:08,623 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 [2019-01-07 18:25:08,624 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-01-07 18:25:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:25:08,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:25:08,628 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:25:08,628 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:25:08,628 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:25:08,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:25:08,629 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 [2019-01-07 18:25:08,638 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:25:08,639 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:25:08,797 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2019-01-07 18:25:08,797 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:25:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:25:08,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:25:09,259 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 [2019-01-07 18:25:09,260 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 [2019-01-07 18:25:09,261 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 [2019-01-07 18:25:09,262 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 [2019-01-07 18:25:09,263 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 [2019-01-07 18:25:09,264 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 [2019-01-07 18:25:09,265 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 [2019-01-07 18:25:09,266 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 [2019-01-07 18:25:09,267 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 [2019-01-07 18:25:09,267 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 [2019-01-07 18:25:09,268 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 [2019-01-07 18:25:09,269 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 [2019-01-07 18:25:09,270 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 [2019-01-07 18:25:09,271 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 [2019-01-07 18:25:09,272 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 [2019-01-07 18:25:09,273 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 [2019-01-07 18:25:09,274 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 [2019-01-07 18:25:09,275 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 [2019-01-07 18:25:09,276 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 [2019-01-07 18:25:09,277 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 [2019-01-07 18:25:09,278 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 [2019-01-07 18:25:09,279 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 [2019-01-07 18:25:09,280 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 [2019-01-07 18:25:09,281 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 [2019-01-07 18:25:09,282 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 [2019-01-07 18:25:09,282 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 [2019-01-07 18:25:09,283 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 [2019-01-07 18:25:09,284 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 [2019-01-07 18:25:09,285 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 [2019-01-07 18:25:09,286 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 [2019-01-07 18:25:09,287 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 [2019-01-07 18:25:09,288 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 [2019-01-07 18:25:09,289 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 [2019-01-07 18:25:09,290 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 [2019-01-07 18:25:09,291 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 [2019-01-07 18:25:09,292 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 [2019-01-07 18:25:09,293 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 [2019-01-07 18:25:09,294 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 [2019-01-07 18:25:09,295 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 [2019-01-07 18:25:09,296 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 [2019-01-07 18:25:09,296 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 [2019-01-07 18:25:09,297 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 [2019-01-07 18:25:09,298 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 [2019-01-07 18:25:09,299 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 [2019-01-07 18:25:09,300 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 [2019-01-07 18:25:09,301 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 [2019-01-07 18:25:09,302 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 [2019-01-07 18:25:09,303 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 [2019-01-07 18:25:09,304 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 [2019-01-07 18:25:09,305 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 [2019-01-07 18:25:09,306 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 [2019-01-07 18:25:09,307 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 [2019-01-07 18:25:09,308 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 [2019-01-07 18:25:09,308 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 [2019-01-07 18:25:09,309 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 [2019-01-07 18:25:09,310 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 [2019-01-07 18:25:09,311 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 [2019-01-07 18:25:09,312 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 [2019-01-07 18:25:09,313 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 [2019-01-07 18:25:09,314 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 [2019-01-07 18:25:09,315 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 [2019-01-07 18:25:09,316 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 [2019-01-07 18:25:09,316 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-01-07 18:25:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:25:09,320 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:25:10,440 INFO L273 TraceCheckUtils]: 62: Hoare triple {22297#false} assume !false; {22297#false} is VALID [2019-01-07 18:25:10,441 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 [2019-01-07 18:25:10,442 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 [2019-01-07 18:25:10,442 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 [2019-01-07 18:25:10,443 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 [2019-01-07 18:25:10,444 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 [2019-01-07 18:25:10,444 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 [2019-01-07 18:25:10,445 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 [2019-01-07 18:25:10,446 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 [2019-01-07 18:25:10,447 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 [2019-01-07 18:25:10,448 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 [2019-01-07 18:25:10,449 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 [2019-01-07 18:25:10,450 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 [2019-01-07 18:25:10,451 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 [2019-01-07 18:25:10,452 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 [2019-01-07 18:25:10,453 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 [2019-01-07 18:25:10,454 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 [2019-01-07 18:25:10,455 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 [2019-01-07 18:25:10,455 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 [2019-01-07 18:25:10,456 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 [2019-01-07 18:25:10,457 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 [2019-01-07 18:25:10,458 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 [2019-01-07 18:25:10,459 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 [2019-01-07 18:25:10,460 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 [2019-01-07 18:25:10,461 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 [2019-01-07 18:25:10,462 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 [2019-01-07 18:25:10,463 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 [2019-01-07 18:25:10,464 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 [2019-01-07 18:25:10,465 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 [2019-01-07 18:25:10,466 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 [2019-01-07 18:25:10,467 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 [2019-01-07 18:25:10,468 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 [2019-01-07 18:25:10,468 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 [2019-01-07 18:25:10,469 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 [2019-01-07 18:25:10,470 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 [2019-01-07 18:25:10,471 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 [2019-01-07 18:25:10,472 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 [2019-01-07 18:25:10,473 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 [2019-01-07 18:25:10,474 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 [2019-01-07 18:25:10,475 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 [2019-01-07 18:25:10,476 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 [2019-01-07 18:25:10,477 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 [2019-01-07 18:25:10,478 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 [2019-01-07 18:25:10,479 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 [2019-01-07 18:25:10,480 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 [2019-01-07 18:25:10,481 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 [2019-01-07 18:25:10,482 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 [2019-01-07 18:25:10,482 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 [2019-01-07 18:25:10,483 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 [2019-01-07 18:25:10,484 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 [2019-01-07 18:25:10,485 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 [2019-01-07 18:25:10,486 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 [2019-01-07 18:25:10,487 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 [2019-01-07 18:25:10,488 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 [2019-01-07 18:25:10,489 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 [2019-01-07 18:25:10,490 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 [2019-01-07 18:25:10,491 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 [2019-01-07 18:25:10,492 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 [2019-01-07 18:25:10,493 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 [2019-01-07 18:25:10,493 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 [2019-01-07 18:25:10,494 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 [2019-01-07 18:25:10,495 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 [2019-01-07 18:25:10,496 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 [2019-01-07 18:25:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 435 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:25:10,520 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:25:10,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 32 [2019-01-07 18:25:10,520 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:25:10,520 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2019-01-07 18:25:10,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:25:10,521 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states. [2019-01-07 18:25:10,595 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:25:10,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-01-07 18:25:10,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-01-07 18:25:10,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2019-01-07 18:25:10,596 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 33 states. [2019-01-07 18:25:13,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:13,242 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-07 18:25:13,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-01-07 18:25:13,242 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 63 [2019-01-07 18:25:13,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:25:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-07 18:25:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-07 18:25:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-07 18:25:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-07 18:25:13,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 63 states and 68 transitions. [2019-01-07 18:25:13,313 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:25:13,314 INFO L225 Difference]: With dead ends: 67 [2019-01-07 18:25:13,314 INFO L226 Difference]: Without dead ends: 65 [2019-01-07 18:25:13,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 95 SyntacticMatches, 60 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2019-01-07 18:25:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-07 18:25:14,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-07 18:25:14,829 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:25:14,829 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2019-01-07 18:25:14,829 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2019-01-07 18:25:14,829 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2019-01-07 18:25:14,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:14,830 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-01-07 18:25:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-01-07 18:25:14,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:25:14,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:25:14,831 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2019-01-07 18:25:14,831 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2019-01-07 18:25:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:14,832 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-01-07 18:25:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-01-07 18:25:14,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:25:14,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:25:14,833 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:25:14,833 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:25:14,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-07 18:25:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2019-01-07 18:25:14,834 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 63 [2019-01-07 18:25:14,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:25:14,834 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2019-01-07 18:25:14,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-01-07 18:25:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2019-01-07 18:25:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-01-07 18:25:14,834 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:25:14,834 INFO L402 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1] [2019-01-07 18:25:14,835 INFO L423 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:25:14,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:25:14,835 INFO L82 PathProgramCache]: Analyzing trace with hash -785494358, now seen corresponding path program 45 times [2019-01-07 18:25:14,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:25:14,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:25:14,836 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:25:14,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:25:14,836 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:25:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:25:18,147 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 [2019-01-07 18:25:18,149 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 [2019-01-07 18:25:18,150 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 [2019-01-07 18:25:18,151 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 [2019-01-07 18:25:18,152 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 [2019-01-07 18:25:18,153 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 [2019-01-07 18:25:18,154 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 [2019-01-07 18:25:18,155 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 [2019-01-07 18:25:18,156 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 [2019-01-07 18:25:18,157 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 [2019-01-07 18:25:18,158 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 [2019-01-07 18:25:18,159 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 [2019-01-07 18:25:18,160 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 [2019-01-07 18:25:18,161 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 [2019-01-07 18:25:18,162 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 [2019-01-07 18:25:18,163 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 [2019-01-07 18:25:18,164 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 [2019-01-07 18:25:18,165 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 [2019-01-07 18:25:18,166 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 [2019-01-07 18:25:18,170 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 [2019-01-07 18:25:18,171 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 [2019-01-07 18:25:18,172 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 [2019-01-07 18:25:18,172 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 [2019-01-07 18:25:18,173 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 [2019-01-07 18:25:18,173 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 [2019-01-07 18:25:18,174 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 [2019-01-07 18:25:18,174 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 [2019-01-07 18:25:18,175 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 [2019-01-07 18:25:18,176 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 [2019-01-07 18:25:18,178 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 [2019-01-07 18:25:18,179 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 [2019-01-07 18:25:18,180 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 [2019-01-07 18:25:18,181 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 [2019-01-07 18:25:18,182 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 [2019-01-07 18:25:18,183 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 [2019-01-07 18:25:18,184 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 [2019-01-07 18:25:18,185 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 [2019-01-07 18:25:18,186 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 [2019-01-07 18:25:18,187 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 [2019-01-07 18:25:18,188 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 [2019-01-07 18:25:18,189 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 [2019-01-07 18:25:18,190 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 [2019-01-07 18:25:18,191 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 [2019-01-07 18:25:18,192 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 [2019-01-07 18:25:18,193 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 [2019-01-07 18:25:18,194 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 [2019-01-07 18:25:18,195 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 [2019-01-07 18:25:18,196 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 [2019-01-07 18:25:18,197 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 [2019-01-07 18:25:18,198 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 [2019-01-07 18:25:18,199 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 [2019-01-07 18:25:18,200 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 [2019-01-07 18:25:18,201 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 [2019-01-07 18:25:18,202 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 [2019-01-07 18:25:18,203 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 [2019-01-07 18:25:18,204 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 [2019-01-07 18:25:18,205 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 [2019-01-07 18:25:18,206 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 [2019-01-07 18:25:18,207 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 [2019-01-07 18:25:18,208 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 [2019-01-07 18:25:18,209 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 [2019-01-07 18:25:18,210 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 [2019-01-07 18:25:18,212 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 [2019-01-07 18:25:18,212 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-01-07 18:25:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:25:18,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:25:18,219 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:25:18,219 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:25:18,219 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:25:18,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:25:18,219 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 [2019-01-07 18:25:18,230 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:25:18,230 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:25:18,271 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:25:18,271 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:25:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:25:18,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:25:22,267 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 [2019-01-07 18:25:22,268 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:25:22,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:25:22,275 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:25:22,278 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:25:22,278 WARN L385 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))) [2019-01-07 18:25:22,278 WARN L386 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))) [2019-01-07 18:25:22,374 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 [2019-01-07 18:25:22,374 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 [2019-01-07 18:25:22,374 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 [2019-01-07 18:25:22,374 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 [2019-01-07 18:25:22,374 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 [2019-01-07 18:25:22,375 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 [2019-01-07 18:25:22,375 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 [2019-01-07 18:25:22,375 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 [2019-01-07 18:25:22,375 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 [2019-01-07 18:25:22,375 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 [2019-01-07 18:25:22,375 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 [2019-01-07 18:25:22,375 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,376 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,377 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 [2019-01-07 18:25:22,378 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 [2019-01-07 18:25:22,379 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 [2019-01-07 18:25:22,379 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 [2019-01-07 18:25:22,380 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 [2019-01-07 18:25:22,381 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 [2019-01-07 18:25:22,381 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 [2019-01-07 18:25:22,382 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 [2019-01-07 18:25:22,383 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 [2019-01-07 18:25:22,384 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 [2019-01-07 18:25:22,385 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 [2019-01-07 18:25:22,386 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 [2019-01-07 18:25:22,387 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 [2019-01-07 18:25:22,388 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 [2019-01-07 18:25:22,389 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 [2019-01-07 18:25:22,390 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 [2019-01-07 18:25:22,391 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 [2019-01-07 18:25:22,392 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 [2019-01-07 18:25:22,393 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 [2019-01-07 18:25:22,394 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 [2019-01-07 18:25:22,395 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 [2019-01-07 18:25:22,396 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 [2019-01-07 18:25:22,397 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 [2019-01-07 18:25:22,398 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 [2019-01-07 18:25:22,399 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 [2019-01-07 18:25:22,400 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 [2019-01-07 18:25:22,401 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 [2019-01-07 18:25:22,402 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 [2019-01-07 18:25:22,403 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 [2019-01-07 18:25:22,404 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 [2019-01-07 18:25:22,405 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 [2019-01-07 18:25:22,407 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 [2019-01-07 18:25:22,408 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 [2019-01-07 18:25:22,408 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-01-07 18:25:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-01-07 18:25:22,413 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:25:22,546 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 [2019-01-07 18:25:22,548 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:25:22,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:25:22,559 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:25:25,677 INFO L273 TraceCheckUtils]: 63: Hoare triple {23153#false} assume !false; {23153#false} is VALID [2019-01-07 18:25:25,678 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 [2019-01-07 18:25:25,678 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 [2019-01-07 18:25:25,679 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 [2019-01-07 18:25:25,680 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 [2019-01-07 18:25:25,681 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 [2019-01-07 18:25:25,682 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 [2019-01-07 18:25:25,684 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 [2019-01-07 18:25:25,685 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 [2019-01-07 18:25:25,686 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 [2019-01-07 18:25:25,687 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 [2019-01-07 18:25:25,688 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 [2019-01-07 18:25:25,689 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 [2019-01-07 18:25:25,691 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 [2019-01-07 18:25:25,692 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 [2019-01-07 18:25:25,693 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 [2019-01-07 18:25:25,694 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 [2019-01-07 18:25:25,695 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 [2019-01-07 18:25:25,696 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 [2019-01-07 18:25:25,697 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 [2019-01-07 18:25:25,698 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 [2019-01-07 18:25:25,699 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 [2019-01-07 18:25:25,701 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 [2019-01-07 18:25:25,702 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 [2019-01-07 18:25:25,703 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 [2019-01-07 18:25:25,704 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 [2019-01-07 18:25:25,705 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 [2019-01-07 18:25:25,706 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 [2019-01-07 18:25:25,707 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 [2019-01-07 18:25:25,708 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 [2019-01-07 18:25:25,709 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 [2019-01-07 18:25:25,710 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 [2019-01-07 18:25:25,711 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 [2019-01-07 18:25:25,712 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 [2019-01-07 18:25:25,712 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 [2019-01-07 18:25:25,712 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 [2019-01-07 18:25:25,712 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 [2019-01-07 18:25:25,712 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 [2019-01-07 18:25:25,712 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 [2019-01-07 18:25:25,713 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 [2019-01-07 18:25:25,713 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 [2019-01-07 18:25:25,713 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 [2019-01-07 18:25:25,713 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 [2019-01-07 18:25:25,713 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 [2019-01-07 18:25:25,713 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 [2019-01-07 18:25:25,714 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 [2019-01-07 18:25:25,714 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 [2019-01-07 18:25:25,714 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 [2019-01-07 18:25:25,714 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 [2019-01-07 18:25:25,714 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 [2019-01-07 18:25:25,714 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,715 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 [2019-01-07 18:25:25,716 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 [2019-01-07 18:25:25,716 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 [2019-01-07 18:25:25,716 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 [2019-01-07 18:25:25,716 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 [2019-01-07 18:25:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-01-07 18:25:25,740 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:25:25,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 33, 33] total 126 [2019-01-07 18:25:25,740 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:25:25,740 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2019-01-07 18:25:25,741 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:25:25,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 95 states. [2019-01-07 18:25:25,831 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:25:25,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 95 states [2019-01-07 18:25:25,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2019-01-07 18:25:25,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2110, Invalid=13640, Unknown=0, NotChecked=0, Total=15750 [2019-01-07 18:25:25,832 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 95 states. [2019-01-07 18:25:45,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:45,446 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2019-01-07 18:25:45,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2019-01-07 18:25:45,447 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 64 [2019-01-07 18:25:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:25:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-07 18:25:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2019-01-07 18:25:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-07 18:25:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2019-01-07 18:25:45,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 98 states and 105 transitions. [2019-01-07 18:25:45,569 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:25:45,570 INFO L225 Difference]: With dead ends: 101 [2019-01-07 18:25:45,571 INFO L226 Difference]: Without dead ends: 67 [2019-01-07 18:25:45,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2078 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=3373, Invalid=22387, Unknown=0, NotChecked=0, Total=25760 [2019-01-07 18:25:45,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-07 18:25:47,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-01-07 18:25:47,207 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:25:47,207 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2019-01-07 18:25:47,207 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2019-01-07 18:25:47,207 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2019-01-07 18:25:47,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:47,208 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-07 18:25:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-01-07 18:25:47,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:25:47,208 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:25:47,208 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2019-01-07 18:25:47,208 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2019-01-07 18:25:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:25:47,209 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-07 18:25:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-01-07 18:25:47,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:25:47,209 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:25:47,209 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:25:47,209 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:25:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-01-07 18:25:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2019-01-07 18:25:47,210 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 64 [2019-01-07 18:25:47,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:25:47,210 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2019-01-07 18:25:47,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 95 states. [2019-01-07 18:25:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2019-01-07 18:25:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-07 18:25:47,211 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:25:47,211 INFO L402 BasicCegarLoop]: trace histogram [31, 31, 1, 1, 1, 1] [2019-01-07 18:25:47,211 INFO L423 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:25:47,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:25:47,212 INFO L82 PathProgramCache]: Analyzing trace with hash -429274795, now seen corresponding path program 46 times [2019-01-07 18:25:47,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:25:47,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:25:47,212 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:25:47,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:25:47,213 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:25:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:25:49,806 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 [2019-01-07 18:25:49,807 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 [2019-01-07 18:25:49,808 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 [2019-01-07 18:25:49,809 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 [2019-01-07 18:25:49,810 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 [2019-01-07 18:25:49,811 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 [2019-01-07 18:25:49,812 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 [2019-01-07 18:25:49,813 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 [2019-01-07 18:25:49,814 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 [2019-01-07 18:25:49,815 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 [2019-01-07 18:25:49,816 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 [2019-01-07 18:25:49,817 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 [2019-01-07 18:25:49,818 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 [2019-01-07 18:25:49,819 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 [2019-01-07 18:25:49,820 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 [2019-01-07 18:25:49,821 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 [2019-01-07 18:25:49,822 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 [2019-01-07 18:25:49,823 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 [2019-01-07 18:25:49,824 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 [2019-01-07 18:25:49,825 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 [2019-01-07 18:25:49,826 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 [2019-01-07 18:25:49,827 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 [2019-01-07 18:25:49,827 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 [2019-01-07 18:25:49,828 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 [2019-01-07 18:25:49,829 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 [2019-01-07 18:25:49,830 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 [2019-01-07 18:25:49,831 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 [2019-01-07 18:25:49,832 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 [2019-01-07 18:25:49,833 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 [2019-01-07 18:25:49,834 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 [2019-01-07 18:25:49,835 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 [2019-01-07 18:25:49,837 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 [2019-01-07 18:25:49,838 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 [2019-01-07 18:25:49,839 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 [2019-01-07 18:25:49,839 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 [2019-01-07 18:25:49,840 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 [2019-01-07 18:25:49,841 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 [2019-01-07 18:25:49,842 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 [2019-01-07 18:25:49,843 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 [2019-01-07 18:25:49,844 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 [2019-01-07 18:25:49,845 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 [2019-01-07 18:25:49,846 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 [2019-01-07 18:25:49,847 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 [2019-01-07 18:25:49,848 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 [2019-01-07 18:25:49,849 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 [2019-01-07 18:25:49,850 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 [2019-01-07 18:25:49,851 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 [2019-01-07 18:25:49,852 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 [2019-01-07 18:25:49,853 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 [2019-01-07 18:25:49,854 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 [2019-01-07 18:25:49,855 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 [2019-01-07 18:25:49,856 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 [2019-01-07 18:25:49,857 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 [2019-01-07 18:25:49,858 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 [2019-01-07 18:25:49,859 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 [2019-01-07 18:25:49,860 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 [2019-01-07 18:25:49,861 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 [2019-01-07 18:25:49,862 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 [2019-01-07 18:25:49,863 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 [2019-01-07 18:25:49,863 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 [2019-01-07 18:25:49,864 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 [2019-01-07 18:25:49,865 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 [2019-01-07 18:25:49,866 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 [2019-01-07 18:25:49,867 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 [2019-01-07 18:25:49,869 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 [2019-01-07 18:25:49,869 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-01-07 18:25:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:25:49,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:25:49,875 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:25:49,876 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:25:49,876 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:25:49,876 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:25:49,876 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 [2019-01-07 18:25:49,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:25:49,884 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:25:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:25:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:25:49,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:25:53,044 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 [2019-01-07 18:25:53,045 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:25:53,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:25:53,053 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:25:53,056 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:25:53,056 WARN L385 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)) [2019-01-07 18:25:53,056 WARN L386 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)) [2019-01-07 18:25:53,150 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 [2019-01-07 18:25:53,151 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 [2019-01-07 18:25:53,152 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 [2019-01-07 18:25:53,153 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 [2019-01-07 18:25:53,155 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 [2019-01-07 18:25:53,156 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 [2019-01-07 18:25:53,157 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 [2019-01-07 18:25:53,158 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 [2019-01-07 18:25:53,159 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 [2019-01-07 18:25:53,160 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 [2019-01-07 18:25:53,161 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 [2019-01-07 18:25:53,162 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 [2019-01-07 18:25:53,163 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 [2019-01-07 18:25:53,164 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 [2019-01-07 18:25:53,165 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 [2019-01-07 18:25:53,166 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 [2019-01-07 18:25:53,167 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 [2019-01-07 18:25:53,168 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 [2019-01-07 18:25:53,169 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 [2019-01-07 18:25:53,170 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 [2019-01-07 18:25:53,171 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 [2019-01-07 18:25:53,172 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 [2019-01-07 18:25:53,173 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 [2019-01-07 18:25:53,174 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 [2019-01-07 18:25:53,175 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 [2019-01-07 18:25:53,177 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 [2019-01-07 18:25:53,178 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 [2019-01-07 18:25:53,179 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 [2019-01-07 18:25:53,180 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 [2019-01-07 18:25:53,181 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 [2019-01-07 18:25:53,182 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 [2019-01-07 18:25:53,183 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 [2019-01-07 18:25:53,184 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 [2019-01-07 18:25:53,185 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 [2019-01-07 18:25:53,186 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 [2019-01-07 18:25:53,187 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 [2019-01-07 18:25:53,188 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 [2019-01-07 18:25:53,189 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 [2019-01-07 18:25:53,189 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 [2019-01-07 18:25:53,190 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 [2019-01-07 18:25:53,191 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 [2019-01-07 18:25:53,192 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 [2019-01-07 18:25:53,193 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 [2019-01-07 18:25:53,194 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 [2019-01-07 18:25:53,195 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 [2019-01-07 18:25:53,195 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 [2019-01-07 18:25:53,196 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 [2019-01-07 18:25:53,197 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 [2019-01-07 18:25:53,198 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 [2019-01-07 18:25:53,199 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 [2019-01-07 18:25:53,200 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 [2019-01-07 18:25:53,201 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 [2019-01-07 18:25:53,202 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 [2019-01-07 18:25:53,203 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 [2019-01-07 18:25:53,203 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 [2019-01-07 18:25:53,204 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 [2019-01-07 18:25:53,205 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 [2019-01-07 18:25:53,206 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 [2019-01-07 18:25:53,207 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 [2019-01-07 18:25:53,208 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 [2019-01-07 18:25:53,209 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 [2019-01-07 18:25:53,209 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 [2019-01-07 18:25:53,210 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 [2019-01-07 18:25:53,211 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 [2019-01-07 18:25:53,213 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 [2019-01-07 18:25:53,213 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-01-07 18:25:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:25:53,222 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:25:53,252 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 [2019-01-07 18:25:53,254 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:25:53,257 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:25:53,257 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:25:53,259 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:25:53,260 WARN L385 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))))) [2019-01-07 18:25:53,260 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:25:54,424 INFO L273 TraceCheckUtils]: 65: Hoare triple {24194#false} assume !false; {24194#false} is VALID [2019-01-07 18:25:54,425 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 [2019-01-07 18:25:54,426 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 [2019-01-07 18:25:54,429 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 [2019-01-07 18:25:54,430 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 [2019-01-07 18:25:54,431 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 [2019-01-07 18:25:54,432 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 [2019-01-07 18:25:54,433 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 [2019-01-07 18:25:54,434 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 [2019-01-07 18:25:54,435 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 [2019-01-07 18:25:54,436 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 [2019-01-07 18:25:54,437 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 [2019-01-07 18:25:54,438 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 [2019-01-07 18:25:54,439 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 [2019-01-07 18:25:54,440 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 [2019-01-07 18:25:54,441 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 [2019-01-07 18:25:54,442 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 [2019-01-07 18:25:54,443 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 [2019-01-07 18:25:54,444 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 [2019-01-07 18:25:54,445 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 [2019-01-07 18:25:54,446 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 [2019-01-07 18:25:54,447 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 [2019-01-07 18:25:54,448 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 [2019-01-07 18:25:54,449 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 [2019-01-07 18:25:54,450 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 [2019-01-07 18:25:54,451 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 [2019-01-07 18:25:54,452 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 [2019-01-07 18:25:54,454 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 [2019-01-07 18:25:54,455 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 [2019-01-07 18:25:54,456 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 [2019-01-07 18:25:54,457 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 [2019-01-07 18:25:54,458 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 [2019-01-07 18:25:54,459 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 [2019-01-07 18:25:54,460 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 [2019-01-07 18:25:54,461 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 [2019-01-07 18:25:54,461 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 [2019-01-07 18:25:54,463 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 [2019-01-07 18:25:54,464 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 [2019-01-07 18:25:54,465 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 [2019-01-07 18:25:54,465 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 [2019-01-07 18:25:54,466 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 [2019-01-07 18:25:54,467 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 [2019-01-07 18:25:54,468 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 [2019-01-07 18:25:54,469 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 [2019-01-07 18:25:54,470 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 [2019-01-07 18:25:54,471 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 [2019-01-07 18:25:54,472 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 [2019-01-07 18:25:54,473 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 [2019-01-07 18:25:54,474 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 [2019-01-07 18:25:54,475 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 [2019-01-07 18:25:54,476 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 [2019-01-07 18:25:54,477 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 [2019-01-07 18:25:54,478 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 [2019-01-07 18:25:54,479 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 [2019-01-07 18:25:54,480 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 [2019-01-07 18:25:54,481 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 [2019-01-07 18:25:54,482 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 [2019-01-07 18:25:54,483 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 [2019-01-07 18:25:54,484 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 [2019-01-07 18:25:54,484 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 [2019-01-07 18:25:54,485 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 [2019-01-07 18:25:54,486 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 [2019-01-07 18:25:54,487 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 [2019-01-07 18:25:54,488 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 [2019-01-07 18:25:54,489 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 [2019-01-07 18:25:54,490 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 [2019-01-07 18:25:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:25:54,517 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:25:54,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 99 [2019-01-07 18:25:54,517 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:25:54,517 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2019-01-07 18:25:54,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:25:54,517 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 100 states. [2019-01-07 18:25:54,615 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:25:54,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 100 states [2019-01-07 18:25:54,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2019-01-07 18:25:54,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=9605, Unknown=0, NotChecked=0, Total=9900 [2019-01-07 18:25:54,616 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 100 states. [2019-01-07 18:26:16,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:26:16,206 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2019-01-07 18:26:16,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-01-07 18:26:16,206 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 66 [2019-01-07 18:26:16,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:26:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-01-07 18:26:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2019-01-07 18:26:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-01-07 18:26:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2019-01-07 18:26:16,208 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 69 states and 74 transitions. [2019-01-07 18:26:16,283 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:26:16,284 INFO L225 Difference]: With dead ends: 102 [2019-01-07 18:26:16,284 INFO L226 Difference]: Without dead ends: 68 [2019-01-07 18:26:16,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 72 SyntacticMatches, 25 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2958 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=624, Invalid=17198, Unknown=0, NotChecked=0, Total=17822 [2019-01-07 18:26:16,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-07 18:26:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-01-07 18:26:17,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:26:17,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2019-01-07 18:26:17,913 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2019-01-07 18:26:17,914 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2019-01-07 18:26:17,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:26:17,914 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-01-07 18:26:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-01-07 18:26:17,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:26:17,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:26:17,915 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2019-01-07 18:26:17,915 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2019-01-07 18:26:17,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:26:17,915 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-01-07 18:26:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-01-07 18:26:17,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:26:17,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:26:17,916 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:26:17,916 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:26:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-07 18:26:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2019-01-07 18:26:17,917 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 66 [2019-01-07 18:26:17,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:26:17,917 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2019-01-07 18:26:17,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 100 states. [2019-01-07 18:26:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-01-07 18:26:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-01-07 18:26:17,917 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:26:17,917 INFO L402 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1, 1] [2019-01-07 18:26:17,918 INFO L423 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:26:17,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:26:17,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1906113844, now seen corresponding path program 47 times [2019-01-07 18:26:17,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:26:17,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:26:17,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:26:17,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:26:17,919 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:26:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:26:19,796 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 [2019-01-07 18:26:19,797 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 [2019-01-07 18:26:19,798 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 [2019-01-07 18:26:19,799 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 [2019-01-07 18:26:19,800 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 [2019-01-07 18:26:19,801 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 [2019-01-07 18:26:19,802 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 [2019-01-07 18:26:19,803 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 [2019-01-07 18:26:19,804 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 [2019-01-07 18:26:19,804 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 [2019-01-07 18:26:19,805 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 [2019-01-07 18:26:19,806 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 [2019-01-07 18:26:19,807 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 [2019-01-07 18:26:19,808 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 [2019-01-07 18:26:19,809 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 [2019-01-07 18:26:19,810 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 [2019-01-07 18:26:19,811 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 [2019-01-07 18:26:19,811 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 [2019-01-07 18:26:19,812 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 [2019-01-07 18:26:19,813 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 [2019-01-07 18:26:19,814 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 [2019-01-07 18:26:19,815 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 [2019-01-07 18:26:19,816 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 [2019-01-07 18:26:19,817 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 [2019-01-07 18:26:19,818 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 [2019-01-07 18:26:19,819 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 [2019-01-07 18:26:19,819 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 [2019-01-07 18:26:19,820 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 [2019-01-07 18:26:19,821 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 [2019-01-07 18:26:19,822 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 [2019-01-07 18:26:19,823 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 [2019-01-07 18:26:19,824 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 [2019-01-07 18:26:19,825 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 [2019-01-07 18:26:19,826 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 [2019-01-07 18:26:19,827 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 [2019-01-07 18:26:19,827 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 [2019-01-07 18:26:19,828 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 [2019-01-07 18:26:19,829 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 [2019-01-07 18:26:19,830 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 [2019-01-07 18:26:19,831 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 [2019-01-07 18:26:19,832 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 [2019-01-07 18:26:19,833 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 [2019-01-07 18:26:19,834 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 [2019-01-07 18:26:19,835 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 [2019-01-07 18:26:19,835 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 [2019-01-07 18:26:19,836 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 [2019-01-07 18:26:19,837 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 [2019-01-07 18:26:19,838 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 [2019-01-07 18:26:19,839 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 [2019-01-07 18:26:19,840 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 [2019-01-07 18:26:19,841 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 [2019-01-07 18:26:19,842 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 [2019-01-07 18:26:19,843 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 [2019-01-07 18:26:19,843 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 [2019-01-07 18:26:19,844 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 [2019-01-07 18:26:19,845 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 [2019-01-07 18:26:19,846 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 [2019-01-07 18:26:19,847 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 [2019-01-07 18:26:19,848 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 [2019-01-07 18:26:19,849 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 [2019-01-07 18:26:19,850 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 [2019-01-07 18:26:19,851 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 [2019-01-07 18:26:19,851 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 [2019-01-07 18:26:19,852 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 [2019-01-07 18:26:19,853 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 [2019-01-07 18:26:19,854 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 [2019-01-07 18:26:19,854 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-01-07 18:26:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:26:19,858 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:26:19,858 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:26:19,858 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:26:19,858 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:26:19,858 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:26:19,859 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 [2019-01-07 18:26:19,867 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:26:19,867 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:26:20,044 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2019-01-07 18:26:20,045 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:26:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:26:20,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:26:20,398 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 [2019-01-07 18:26:20,399 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 [2019-01-07 18:26:20,400 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 [2019-01-07 18:26:20,401 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 [2019-01-07 18:26:20,402 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 [2019-01-07 18:26:20,403 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 [2019-01-07 18:26:20,404 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 [2019-01-07 18:26:20,405 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 [2019-01-07 18:26:20,406 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 [2019-01-07 18:26:20,406 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 [2019-01-07 18:26:20,407 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 [2019-01-07 18:26:20,408 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 [2019-01-07 18:26:20,409 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 [2019-01-07 18:26:20,410 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 [2019-01-07 18:26:20,411 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 [2019-01-07 18:26:20,412 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 [2019-01-07 18:26:20,414 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 [2019-01-07 18:26:20,415 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 [2019-01-07 18:26:20,416 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 [2019-01-07 18:26:20,417 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 [2019-01-07 18:26:20,418 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 [2019-01-07 18:26:20,418 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 [2019-01-07 18:26:20,419 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 [2019-01-07 18:26:20,420 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 [2019-01-07 18:26:20,421 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 [2019-01-07 18:26:20,422 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 [2019-01-07 18:26:20,423 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 [2019-01-07 18:26:20,424 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 [2019-01-07 18:26:20,425 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 [2019-01-07 18:26:20,426 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 [2019-01-07 18:26:20,426 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 [2019-01-07 18:26:20,427 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 [2019-01-07 18:26:20,428 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 [2019-01-07 18:26:20,429 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 [2019-01-07 18:26:20,430 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 [2019-01-07 18:26:20,431 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 [2019-01-07 18:26:20,432 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 [2019-01-07 18:26:20,433 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 [2019-01-07 18:26:20,433 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 [2019-01-07 18:26:20,434 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 [2019-01-07 18:26:20,435 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 [2019-01-07 18:26:20,436 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 [2019-01-07 18:26:20,437 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 [2019-01-07 18:26:20,438 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 [2019-01-07 18:26:20,439 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 [2019-01-07 18:26:20,440 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 [2019-01-07 18:26:20,441 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 [2019-01-07 18:26:20,441 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 [2019-01-07 18:26:20,442 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 [2019-01-07 18:26:20,443 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 [2019-01-07 18:26:20,444 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 [2019-01-07 18:26:20,445 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 [2019-01-07 18:26:20,446 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 [2019-01-07 18:26:20,447 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 [2019-01-07 18:26:20,448 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 [2019-01-07 18:26:20,448 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 [2019-01-07 18:26:20,449 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 [2019-01-07 18:26:20,450 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 [2019-01-07 18:26:20,451 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 [2019-01-07 18:26:20,452 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 [2019-01-07 18:26:20,453 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 [2019-01-07 18:26:20,454 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 [2019-01-07 18:26:20,455 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 [2019-01-07 18:26:20,455 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 [2019-01-07 18:26:20,456 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 [2019-01-07 18:26:20,457 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 [2019-01-07 18:26:20,457 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-01-07 18:26:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:26:20,462 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:26:21,880 INFO L273 TraceCheckUtils]: 66: Hoare triple {25225#false} assume !false; {25225#false} is VALID [2019-01-07 18:26:21,880 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 [2019-01-07 18:26:21,881 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 [2019-01-07 18:26:21,881 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 [2019-01-07 18:26:21,882 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 [2019-01-07 18:26:21,882 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 [2019-01-07 18:26:21,883 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 [2019-01-07 18:26:21,884 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 [2019-01-07 18:26:21,885 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 [2019-01-07 18:26:21,886 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 [2019-01-07 18:26:21,886 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 [2019-01-07 18:26:21,887 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 [2019-01-07 18:26:21,888 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 [2019-01-07 18:26:21,889 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 [2019-01-07 18:26:21,890 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 [2019-01-07 18:26:21,891 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 [2019-01-07 18:26:21,892 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 [2019-01-07 18:26:21,892 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 [2019-01-07 18:26:21,893 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 [2019-01-07 18:26:21,894 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 [2019-01-07 18:26:21,895 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 [2019-01-07 18:26:21,896 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 [2019-01-07 18:26:21,897 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 [2019-01-07 18:26:21,898 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 [2019-01-07 18:26:21,899 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 [2019-01-07 18:26:21,900 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 [2019-01-07 18:26:21,909 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 [2019-01-07 18:26:21,909 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 [2019-01-07 18:26:21,910 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 [2019-01-07 18:26:21,911 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 [2019-01-07 18:26:21,911 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 [2019-01-07 18:26:21,912 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 [2019-01-07 18:26:21,912 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 [2019-01-07 18:26:21,913 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 [2019-01-07 18:26:21,914 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 [2019-01-07 18:26:21,915 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 [2019-01-07 18:26:21,916 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 [2019-01-07 18:26:21,916 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 [2019-01-07 18:26:21,917 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 [2019-01-07 18:26:21,918 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 [2019-01-07 18:26:21,919 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 [2019-01-07 18:26:21,920 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 [2019-01-07 18:26:21,921 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 [2019-01-07 18:26:21,922 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 [2019-01-07 18:26:21,923 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 [2019-01-07 18:26:21,924 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 [2019-01-07 18:26:21,924 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 [2019-01-07 18:26:21,925 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 [2019-01-07 18:26:21,926 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 [2019-01-07 18:26:21,927 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 [2019-01-07 18:26:21,928 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 [2019-01-07 18:26:21,929 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 [2019-01-07 18:26:21,930 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 [2019-01-07 18:26:21,931 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 [2019-01-07 18:26:21,931 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 [2019-01-07 18:26:21,932 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 [2019-01-07 18:26:21,933 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 [2019-01-07 18:26:21,934 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 [2019-01-07 18:26:21,935 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 [2019-01-07 18:26:21,936 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 [2019-01-07 18:26:21,937 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 [2019-01-07 18:26:21,938 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 [2019-01-07 18:26:21,938 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 [2019-01-07 18:26:21,939 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 [2019-01-07 18:26:21,940 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 [2019-01-07 18:26:21,941 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 [2019-01-07 18:26:21,942 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 [2019-01-07 18:26:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 496 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:26:21,966 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:26:21,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 34 [2019-01-07 18:26:21,966 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:26:21,966 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2019-01-07 18:26:21,967 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:26:21,967 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states. [2019-01-07 18:26:22,044 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:26:22,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-01-07 18:26:22,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-01-07 18:26:22,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2019-01-07 18:26:22,045 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 35 states. [2019-01-07 18:26:24,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:26:24,985 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-07 18:26:24,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-01-07 18:26:24,985 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2019-01-07 18:26:24,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:26:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-07 18:26:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2019-01-07 18:26:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-07 18:26:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2019-01-07 18:26:24,988 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 67 states and 72 transitions. [2019-01-07 18:26:25,051 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:26:25,052 INFO L225 Difference]: With dead ends: 71 [2019-01-07 18:26:25,052 INFO L226 Difference]: Without dead ends: 69 [2019-01-07 18:26:25,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 101 SyntacticMatches, 64 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1683, Invalid=2739, Unknown=0, NotChecked=0, Total=4422 [2019-01-07 18:26:25,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-07 18:26:26,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-01-07 18:26:26,755 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:26:26,756 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 69 states. [2019-01-07 18:26:26,756 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2019-01-07 18:26:26,756 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2019-01-07 18:26:26,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:26:26,757 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2019-01-07 18:26:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-01-07 18:26:26,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:26:26,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:26:26,758 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 69 states. [2019-01-07 18:26:26,758 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 69 states. [2019-01-07 18:26:26,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:26:26,759 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2019-01-07 18:26:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-01-07 18:26:26,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:26:26,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:26:26,760 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:26:26,760 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:26:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-01-07 18:26:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2019-01-07 18:26:26,761 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 67 [2019-01-07 18:26:26,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:26:26,762 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2019-01-07 18:26:26,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-01-07 18:26:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2019-01-07 18:26:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-01-07 18:26:26,762 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:26:26,762 INFO L402 BasicCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1] [2019-01-07 18:26:26,763 INFO L423 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:26:26,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:26:26,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1040014794, now seen corresponding path program 48 times [2019-01-07 18:26:26,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:26:26,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:26:26,764 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:26:26,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:26:26,764 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:26:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:26:29,864 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 [2019-01-07 18:26:29,866 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 [2019-01-07 18:26:29,867 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 [2019-01-07 18:26:29,868 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 [2019-01-07 18:26:29,868 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 [2019-01-07 18:26:29,869 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 [2019-01-07 18:26:29,870 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 [2019-01-07 18:26:29,871 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 [2019-01-07 18:26:29,872 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 [2019-01-07 18:26:29,873 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 [2019-01-07 18:26:29,874 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 [2019-01-07 18:26:29,875 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 [2019-01-07 18:26:29,876 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 [2019-01-07 18:26:29,877 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 [2019-01-07 18:26:29,878 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 [2019-01-07 18:26:29,879 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 [2019-01-07 18:26:29,880 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 [2019-01-07 18:26:29,881 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 [2019-01-07 18:26:29,882 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 [2019-01-07 18:26:29,883 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 [2019-01-07 18:26:29,884 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 [2019-01-07 18:26:29,885 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 [2019-01-07 18:26:29,886 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 [2019-01-07 18:26:29,886 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 [2019-01-07 18:26:29,887 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 [2019-01-07 18:26:29,888 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 [2019-01-07 18:26:29,889 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 [2019-01-07 18:26:29,890 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 [2019-01-07 18:26:29,891 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 [2019-01-07 18:26:29,892 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 [2019-01-07 18:26:29,893 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 [2019-01-07 18:26:29,894 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 [2019-01-07 18:26:29,895 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 [2019-01-07 18:26:29,896 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 [2019-01-07 18:26:29,897 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 [2019-01-07 18:26:29,898 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 [2019-01-07 18:26:29,899 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 [2019-01-07 18:26:29,900 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 [2019-01-07 18:26:29,901 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 [2019-01-07 18:26:29,902 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 [2019-01-07 18:26:29,903 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 [2019-01-07 18:26:29,904 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 [2019-01-07 18:26:29,905 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 [2019-01-07 18:26:29,906 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 [2019-01-07 18:26:29,907 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 [2019-01-07 18:26:29,908 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 [2019-01-07 18:26:29,909 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 [2019-01-07 18:26:29,910 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 [2019-01-07 18:26:29,911 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 [2019-01-07 18:26:29,912 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 [2019-01-07 18:26:29,913 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 [2019-01-07 18:26:29,914 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 [2019-01-07 18:26:29,915 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 [2019-01-07 18:26:29,916 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 [2019-01-07 18:26:29,917 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 [2019-01-07 18:26:29,918 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 [2019-01-07 18:26:29,919 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 [2019-01-07 18:26:29,920 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 [2019-01-07 18:26:29,921 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 [2019-01-07 18:26:29,922 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 [2019-01-07 18:26:29,923 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 [2019-01-07 18:26:29,924 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 [2019-01-07 18:26:29,925 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 [2019-01-07 18:26:29,925 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 [2019-01-07 18:26:29,926 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 [2019-01-07 18:26:29,927 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 [2019-01-07 18:26:29,929 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 [2019-01-07 18:26:29,929 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-01-07 18:26:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:26:29,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:26:29,936 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:26:29,936 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:26:29,936 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:26:29,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:26:29,936 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 [2019-01-07 18:26:29,945 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:26:29,945 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:26:29,988 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:26:29,988 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:26:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:26:30,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:26:32,813 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 [2019-01-07 18:26:32,814 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:26:32,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:26:32,820 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:26:32,822 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:26:32,823 WARN L385 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)) [2019-01-07 18:26:32,823 WARN L386 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))) [2019-01-07 18:26:32,926 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 [2019-01-07 18:26:32,926 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 [2019-01-07 18:26:32,926 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 [2019-01-07 18:26:32,926 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,927 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,928 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,929 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 [2019-01-07 18:26:32,930 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 [2019-01-07 18:26:32,931 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 [2019-01-07 18:26:32,931 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 [2019-01-07 18:26:32,932 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 [2019-01-07 18:26:32,933 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 [2019-01-07 18:26:32,934 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 [2019-01-07 18:26:32,935 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 [2019-01-07 18:26:32,936 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 [2019-01-07 18:26:32,937 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 [2019-01-07 18:26:32,938 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 [2019-01-07 18:26:32,939 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 [2019-01-07 18:26:32,940 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 [2019-01-07 18:26:32,941 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 [2019-01-07 18:26:32,942 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 [2019-01-07 18:26:32,943 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 [2019-01-07 18:26:32,944 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 [2019-01-07 18:26:32,945 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 [2019-01-07 18:26:32,946 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 [2019-01-07 18:26:32,947 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 [2019-01-07 18:26:32,948 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 [2019-01-07 18:26:32,949 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 [2019-01-07 18:26:32,950 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 [2019-01-07 18:26:32,951 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 [2019-01-07 18:26:32,952 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 [2019-01-07 18:26:32,953 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 [2019-01-07 18:26:32,954 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 [2019-01-07 18:26:32,954 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 [2019-01-07 18:26:32,956 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 [2019-01-07 18:26:32,957 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 [2019-01-07 18:26:32,958 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 [2019-01-07 18:26:32,958 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 [2019-01-07 18:26:32,959 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 [2019-01-07 18:26:32,961 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 [2019-01-07 18:26:32,962 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 [2019-01-07 18:26:32,962 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-01-07 18:26:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-01-07 18:26:32,969 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:26:33,117 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 [2019-01-07 18:26:33,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:26:33,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:26:33,138 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:26:33,141 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:26:33,141 WARN L385 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)) [2019-01-07 18:26:33,141 WARN L386 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)) [2019-01-07 18:26:36,843 INFO L273 TraceCheckUtils]: 67: Hoare triple {26135#false} assume !false; {26135#false} is VALID [2019-01-07 18:26:36,845 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 [2019-01-07 18:26:36,846 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 [2019-01-07 18:26:36,847 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 [2019-01-07 18:26:36,848 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 [2019-01-07 18:26:36,849 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 [2019-01-07 18:26:36,851 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 [2019-01-07 18:26:36,852 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 [2019-01-07 18:26:36,853 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 [2019-01-07 18:26:36,854 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 [2019-01-07 18:26:36,855 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 [2019-01-07 18:26:36,857 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 [2019-01-07 18:26:36,858 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 [2019-01-07 18:26:36,859 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 [2019-01-07 18:26:36,860 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 [2019-01-07 18:26:36,861 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 [2019-01-07 18:26:36,862 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 [2019-01-07 18:26:36,864 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 [2019-01-07 18:26:36,865 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 [2019-01-07 18:26:36,866 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 [2019-01-07 18:26:36,867 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 [2019-01-07 18:26:36,868 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 [2019-01-07 18:26:36,869 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 [2019-01-07 18:26:36,871 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 [2019-01-07 18:26:36,872 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 [2019-01-07 18:26:36,873 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 [2019-01-07 18:26:36,875 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 [2019-01-07 18:26:36,877 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 [2019-01-07 18:26:36,879 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 [2019-01-07 18:26:36,880 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 [2019-01-07 18:26:36,882 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 [2019-01-07 18:26:36,884 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 [2019-01-07 18:26:36,886 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 [2019-01-07 18:26:36,888 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 [2019-01-07 18:26:36,889 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 [2019-01-07 18:26:36,890 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 [2019-01-07 18:26:36,890 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 [2019-01-07 18:26:36,890 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 [2019-01-07 18:26:36,890 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 [2019-01-07 18:26:36,890 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 [2019-01-07 18:26:36,891 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 [2019-01-07 18:26:36,891 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 [2019-01-07 18:26:36,900 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,901 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,902 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 [2019-01-07 18:26:36,903 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 [2019-01-07 18:26:36,903 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 [2019-01-07 18:26:36,903 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 [2019-01-07 18:26:36,903 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 [2019-01-07 18:26:36,903 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 [2019-01-07 18:26:36,903 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 [2019-01-07 18:26:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2019-01-07 18:26:36,939 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:26:36,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 35, 35] total 134 [2019-01-07 18:26:36,940 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:26:36,940 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2019-01-07 18:26:36,941 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:26:36,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states. [2019-01-07 18:26:37,124 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:26:37,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 101 states [2019-01-07 18:26:37,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2019-01-07 18:26:37,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2378, Invalid=15444, Unknown=0, NotChecked=0, Total=17822 [2019-01-07 18:26:37,126 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 101 states. [2019-01-07 18:27:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:00,044 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2019-01-07 18:27:00,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2019-01-07 18:27:00,045 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 68 [2019-01-07 18:27:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:27:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-01-07 18:27:00,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2019-01-07 18:27:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-01-07 18:27:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2019-01-07 18:27:00,047 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 104 states and 111 transitions. [2019-01-07 18:27:00,185 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:27:00,186 INFO L225 Difference]: With dead ends: 107 [2019-01-07 18:27:00,186 INFO L226 Difference]: Without dead ends: 71 [2019-01-07 18:27:00,188 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 [2019-01-07 18:27:00,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-07 18:27:02,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-01-07 18:27:02,004 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:27:02,004 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2019-01-07 18:27:02,004 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2019-01-07 18:27:02,004 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2019-01-07 18:27:02,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:02,005 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-07 18:27:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-01-07 18:27:02,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:27:02,006 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:27:02,006 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2019-01-07 18:27:02,007 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2019-01-07 18:27:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:02,008 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-07 18:27:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-01-07 18:27:02,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:27:02,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:27:02,008 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:27:02,009 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:27:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-07 18:27:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2019-01-07 18:27:02,010 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 68 [2019-01-07 18:27:02,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:27:02,010 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2019-01-07 18:27:02,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 101 states. [2019-01-07 18:27:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-01-07 18:27:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-01-07 18:27:02,011 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:27:02,011 INFO L402 BasicCegarLoop]: trace histogram [33, 33, 1, 1, 1, 1] [2019-01-07 18:27:02,011 INFO L423 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:27:02,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:27:02,011 INFO L82 PathProgramCache]: Analyzing trace with hash -986406475, now seen corresponding path program 49 times [2019-01-07 18:27:02,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:27:02,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:27:02,012 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:27:02,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:27:02,012 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:27:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:27:06,361 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 [2019-01-07 18:27:06,362 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 [2019-01-07 18:27:06,363 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 [2019-01-07 18:27:06,364 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 [2019-01-07 18:27:06,365 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 [2019-01-07 18:27:06,366 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 [2019-01-07 18:27:06,367 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 [2019-01-07 18:27:06,368 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 [2019-01-07 18:27:06,369 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 [2019-01-07 18:27:06,370 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 [2019-01-07 18:27:06,371 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 [2019-01-07 18:27:06,372 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 [2019-01-07 18:27:06,373 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 [2019-01-07 18:27:06,374 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 [2019-01-07 18:27:06,375 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 [2019-01-07 18:27:06,376 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 [2019-01-07 18:27:06,377 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 [2019-01-07 18:27:06,378 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 [2019-01-07 18:27:06,379 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 [2019-01-07 18:27:06,380 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 [2019-01-07 18:27:06,381 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 [2019-01-07 18:27:06,381 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 [2019-01-07 18:27:06,382 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 [2019-01-07 18:27:06,383 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 [2019-01-07 18:27:06,384 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 [2019-01-07 18:27:06,385 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 [2019-01-07 18:27:06,386 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 [2019-01-07 18:27:06,387 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 [2019-01-07 18:27:06,388 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 [2019-01-07 18:27:06,389 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 [2019-01-07 18:27:06,390 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 [2019-01-07 18:27:06,391 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 [2019-01-07 18:27:06,392 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 [2019-01-07 18:27:06,393 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 [2019-01-07 18:27:06,394 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 [2019-01-07 18:27:06,395 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 [2019-01-07 18:27:06,396 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 [2019-01-07 18:27:06,397 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 [2019-01-07 18:27:06,398 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 [2019-01-07 18:27:06,412 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 [2019-01-07 18:27:06,413 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 [2019-01-07 18:27:06,414 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 [2019-01-07 18:27:06,414 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 [2019-01-07 18:27:06,415 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 [2019-01-07 18:27:06,416 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 [2019-01-07 18:27:06,416 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 [2019-01-07 18:27:06,417 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 [2019-01-07 18:27:06,418 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 [2019-01-07 18:27:06,419 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 [2019-01-07 18:27:06,420 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 [2019-01-07 18:27:06,421 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 [2019-01-07 18:27:06,422 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 [2019-01-07 18:27:06,423 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 [2019-01-07 18:27:06,424 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 [2019-01-07 18:27:06,425 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 [2019-01-07 18:27:06,425 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 [2019-01-07 18:27:06,426 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 [2019-01-07 18:27:06,427 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 [2019-01-07 18:27:06,428 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 [2019-01-07 18:27:06,429 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 [2019-01-07 18:27:06,430 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 [2019-01-07 18:27:06,431 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 [2019-01-07 18:27:06,432 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 [2019-01-07 18:27:06,433 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 [2019-01-07 18:27:06,434 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 [2019-01-07 18:27:06,435 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 [2019-01-07 18:27:06,436 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 [2019-01-07 18:27:06,437 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 [2019-01-07 18:27:06,438 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 [2019-01-07 18:27:06,438 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-01-07 18:27:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:27:06,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:27:06,446 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:27:06,446 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:27:06,446 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:27:06,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:27:06,446 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 [2019-01-07 18:27:06,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:27:06,456 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:27:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:27:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:27:06,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:27:09,844 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 [2019-01-07 18:27:09,845 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:27:09,851 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:27:09,851 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:27:09,854 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:27:09,854 WARN L385 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)) [2019-01-07 18:27:09,854 WARN L386 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)) [2019-01-07 18:27:09,956 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 [2019-01-07 18:27:09,957 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 [2019-01-07 18:27:09,958 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 [2019-01-07 18:27:09,959 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 [2019-01-07 18:27:09,960 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 [2019-01-07 18:27:09,961 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 [2019-01-07 18:27:09,962 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 [2019-01-07 18:27:09,963 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 [2019-01-07 18:27:09,964 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 [2019-01-07 18:27:09,965 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 [2019-01-07 18:27:09,966 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 [2019-01-07 18:27:09,967 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 [2019-01-07 18:27:09,968 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 [2019-01-07 18:27:09,969 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 [2019-01-07 18:27:09,969 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 [2019-01-07 18:27:09,970 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 [2019-01-07 18:27:09,971 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 [2019-01-07 18:27:09,972 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 [2019-01-07 18:27:09,973 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 [2019-01-07 18:27:09,974 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 [2019-01-07 18:27:09,975 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 [2019-01-07 18:27:09,976 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 [2019-01-07 18:27:09,977 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 [2019-01-07 18:27:09,978 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 [2019-01-07 18:27:09,979 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 [2019-01-07 18:27:09,980 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 [2019-01-07 18:27:09,981 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 [2019-01-07 18:27:09,982 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 [2019-01-07 18:27:09,983 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 [2019-01-07 18:27:09,984 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 [2019-01-07 18:27:09,984 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 [2019-01-07 18:27:09,985 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 [2019-01-07 18:27:09,986 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 [2019-01-07 18:27:09,987 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 [2019-01-07 18:27:09,988 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 [2019-01-07 18:27:09,989 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 [2019-01-07 18:27:09,990 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 [2019-01-07 18:27:09,991 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 [2019-01-07 18:27:09,991 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 [2019-01-07 18:27:09,992 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 [2019-01-07 18:27:09,993 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 [2019-01-07 18:27:09,994 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 [2019-01-07 18:27:09,995 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 [2019-01-07 18:27:09,995 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 [2019-01-07 18:27:09,996 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 [2019-01-07 18:27:09,997 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 [2019-01-07 18:27:09,998 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 [2019-01-07 18:27:09,999 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 [2019-01-07 18:27:10,000 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 [2019-01-07 18:27:10,001 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 [2019-01-07 18:27:10,001 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 [2019-01-07 18:27:10,002 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 [2019-01-07 18:27:10,003 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 [2019-01-07 18:27:10,004 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 [2019-01-07 18:27:10,005 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 [2019-01-07 18:27:10,005 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 [2019-01-07 18:27:10,006 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 [2019-01-07 18:27:10,007 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 [2019-01-07 18:27:10,008 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 [2019-01-07 18:27:10,009 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 [2019-01-07 18:27:10,009 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 [2019-01-07 18:27:10,010 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 [2019-01-07 18:27:10,011 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 [2019-01-07 18:27:10,012 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 [2019-01-07 18:27:10,013 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 [2019-01-07 18:27:10,013 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 [2019-01-07 18:27:10,014 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 [2019-01-07 18:27:10,015 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 [2019-01-07 18:27:10,016 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 [2019-01-07 18:27:10,017 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-01-07 18:27:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:27:10,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:27:10,054 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 [2019-01-07 18:27:10,060 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:27:10,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:27:10,062 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:27:10,064 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:27:10,065 WARN L385 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))))) [2019-01-07 18:27:10,065 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:27:11,378 INFO L273 TraceCheckUtils]: 69: Hoare triple {27240#false} assume !false; {27240#false} is VALID [2019-01-07 18:27:11,379 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 [2019-01-07 18:27:11,381 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 [2019-01-07 18:27:11,382 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 [2019-01-07 18:27:11,383 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 [2019-01-07 18:27:11,384 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 [2019-01-07 18:27:11,385 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 [2019-01-07 18:27:11,386 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 [2019-01-07 18:27:11,387 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 [2019-01-07 18:27:11,388 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 [2019-01-07 18:27:11,389 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 [2019-01-07 18:27:11,390 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 [2019-01-07 18:27:11,391 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 [2019-01-07 18:27:11,392 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 [2019-01-07 18:27:11,393 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 [2019-01-07 18:27:11,394 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 [2019-01-07 18:27:11,395 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 [2019-01-07 18:27:11,396 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 [2019-01-07 18:27:11,397 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 [2019-01-07 18:27:11,398 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 [2019-01-07 18:27:11,399 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 [2019-01-07 18:27:11,400 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 [2019-01-07 18:27:11,401 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 [2019-01-07 18:27:11,402 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 [2019-01-07 18:27:11,403 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 [2019-01-07 18:27:11,404 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 [2019-01-07 18:27:11,421 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 [2019-01-07 18:27:11,422 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 [2019-01-07 18:27:11,423 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 [2019-01-07 18:27:11,423 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 [2019-01-07 18:27:11,424 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 [2019-01-07 18:27:11,425 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 [2019-01-07 18:27:11,425 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 [2019-01-07 18:27:11,426 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 [2019-01-07 18:27:11,427 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 [2019-01-07 18:27:11,428 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 [2019-01-07 18:27:11,429 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 [2019-01-07 18:27:11,430 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 [2019-01-07 18:27:11,431 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 [2019-01-07 18:27:11,432 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 [2019-01-07 18:27:11,433 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 [2019-01-07 18:27:11,435 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 [2019-01-07 18:27:11,436 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 [2019-01-07 18:27:11,437 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 [2019-01-07 18:27:11,438 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 [2019-01-07 18:27:11,439 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 [2019-01-07 18:27:11,440 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 [2019-01-07 18:27:11,441 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 [2019-01-07 18:27:11,442 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 [2019-01-07 18:27:11,443 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 [2019-01-07 18:27:11,444 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 [2019-01-07 18:27:11,445 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 [2019-01-07 18:27:11,446 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 [2019-01-07 18:27:11,447 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 [2019-01-07 18:27:11,448 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 [2019-01-07 18:27:11,449 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 [2019-01-07 18:27:11,450 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 [2019-01-07 18:27:11,451 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 [2019-01-07 18:27:11,452 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 [2019-01-07 18:27:11,453 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 [2019-01-07 18:27:11,454 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 [2019-01-07 18:27:11,455 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 [2019-01-07 18:27:11,456 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 [2019-01-07 18:27:11,457 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 [2019-01-07 18:27:11,458 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 [2019-01-07 18:27:11,459 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 [2019-01-07 18:27:11,460 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 [2019-01-07 18:27:11,461 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 [2019-01-07 18:27:11,462 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 [2019-01-07 18:27:11,463 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 [2019-01-07 18:27:11,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:27:11,491 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:27:11,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 105 [2019-01-07 18:27:11,491 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:27:11,492 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2019-01-07 18:27:11,492 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:27:11,492 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 106 states. [2019-01-07 18:27:11,598 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:27:11,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 106 states [2019-01-07 18:27:11,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2019-01-07 18:27:11,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=10817, Unknown=0, NotChecked=0, Total=11130 [2019-01-07 18:27:11,599 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 106 states. [2019-01-07 18:27:35,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:35,404 INFO L93 Difference]: Finished difference Result 108 states and 110 transitions. [2019-01-07 18:27:35,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2019-01-07 18:27:35,405 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 70 [2019-01-07 18:27:35,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:27:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-07 18:27:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2019-01-07 18:27:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-07 18:27:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2019-01-07 18:27:35,407 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 73 states and 78 transitions. [2019-01-07 18:27:35,510 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:27:35,511 INFO L225 Difference]: With dead ends: 108 [2019-01-07 18:27:35,511 INFO L226 Difference]: Without dead ends: 72 [2019-01-07 18:27:35,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 78 SyntacticMatches, 25 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3274 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=662, Invalid=19360, Unknown=0, NotChecked=0, Total=20022 [2019-01-07 18:27:35,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-07 18:27:37,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-01-07 18:27:37,321 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:27:37,321 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 72 states. [2019-01-07 18:27:37,321 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2019-01-07 18:27:37,321 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2019-01-07 18:27:37,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:37,323 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2019-01-07 18:27:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-01-07 18:27:37,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:27:37,323 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:27:37,323 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2019-01-07 18:27:37,324 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2019-01-07 18:27:37,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:37,325 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2019-01-07 18:27:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-01-07 18:27:37,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:27:37,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:27:37,325 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:27:37,325 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:27:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-01-07 18:27:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2019-01-07 18:27:37,326 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 70 [2019-01-07 18:27:37,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:27:37,326 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2019-01-07 18:27:37,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 106 states. [2019-01-07 18:27:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2019-01-07 18:27:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-01-07 18:27:37,327 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:27:37,327 INFO L402 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1, 1] [2019-01-07 18:27:37,327 INFO L423 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:27:37,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:27:37,327 INFO L82 PathProgramCache]: Analyzing trace with hash -227129428, now seen corresponding path program 50 times [2019-01-07 18:27:37,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:27:37,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:27:37,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:27:37,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:27:37,328 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:27:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:27:38,861 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 [2019-01-07 18:27:38,862 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 [2019-01-07 18:27:38,863 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 [2019-01-07 18:27:38,864 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 [2019-01-07 18:27:38,865 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 [2019-01-07 18:27:38,866 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 [2019-01-07 18:27:38,867 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 [2019-01-07 18:27:38,868 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 [2019-01-07 18:27:38,869 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 [2019-01-07 18:27:38,869 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 [2019-01-07 18:27:38,870 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 [2019-01-07 18:27:38,871 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 [2019-01-07 18:27:38,872 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 [2019-01-07 18:27:38,873 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 [2019-01-07 18:27:38,874 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 [2019-01-07 18:27:38,875 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 [2019-01-07 18:27:38,876 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 [2019-01-07 18:27:38,876 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 [2019-01-07 18:27:38,877 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 [2019-01-07 18:27:38,878 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 [2019-01-07 18:27:38,879 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 [2019-01-07 18:27:38,880 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 [2019-01-07 18:27:38,881 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 [2019-01-07 18:27:38,882 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 [2019-01-07 18:27:38,883 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 [2019-01-07 18:27:38,883 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 [2019-01-07 18:27:38,884 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 [2019-01-07 18:27:38,885 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 [2019-01-07 18:27:38,886 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 [2019-01-07 18:27:38,887 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 [2019-01-07 18:27:38,888 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 [2019-01-07 18:27:38,889 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 [2019-01-07 18:27:38,890 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 [2019-01-07 18:27:38,890 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 [2019-01-07 18:27:38,891 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 [2019-01-07 18:27:38,892 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 [2019-01-07 18:27:38,893 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 [2019-01-07 18:27:38,894 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 [2019-01-07 18:27:38,895 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 [2019-01-07 18:27:38,896 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 [2019-01-07 18:27:38,897 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 [2019-01-07 18:27:38,897 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 [2019-01-07 18:27:38,898 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 [2019-01-07 18:27:38,899 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 [2019-01-07 18:27:38,900 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 [2019-01-07 18:27:38,901 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 [2019-01-07 18:27:38,902 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 [2019-01-07 18:27:38,903 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 [2019-01-07 18:27:38,903 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 [2019-01-07 18:27:38,904 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 [2019-01-07 18:27:38,905 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 [2019-01-07 18:27:38,906 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 [2019-01-07 18:27:38,907 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 [2019-01-07 18:27:38,908 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 [2019-01-07 18:27:38,909 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 [2019-01-07 18:27:38,910 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 [2019-01-07 18:27:38,910 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 [2019-01-07 18:27:38,911 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 [2019-01-07 18:27:38,912 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 [2019-01-07 18:27:38,913 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 [2019-01-07 18:27:38,914 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 [2019-01-07 18:27:38,915 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 [2019-01-07 18:27:38,916 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 [2019-01-07 18:27:38,916 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 [2019-01-07 18:27:38,917 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 [2019-01-07 18:27:38,918 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 [2019-01-07 18:27:38,919 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 [2019-01-07 18:27:38,920 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 [2019-01-07 18:27:38,921 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 [2019-01-07 18:27:38,921 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 [2019-01-07 18:27:38,921 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-01-07 18:27:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:27:38,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:27:38,927 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:27:38,927 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:27:38,927 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:27:38,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:27:38,927 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 [2019-01-07 18:27:38,939 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:27:38,940 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:27:39,137 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2019-01-07 18:27:39,137 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:27:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:27:39,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:27:39,514 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 [2019-01-07 18:27:39,515 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 [2019-01-07 18:27:39,516 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 [2019-01-07 18:27:39,517 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 [2019-01-07 18:27:39,518 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 [2019-01-07 18:27:39,519 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 [2019-01-07 18:27:39,520 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 [2019-01-07 18:27:39,521 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 [2019-01-07 18:27:39,522 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 [2019-01-07 18:27:39,522 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 [2019-01-07 18:27:39,523 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 [2019-01-07 18:27:39,524 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 [2019-01-07 18:27:39,525 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 [2019-01-07 18:27:39,526 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 [2019-01-07 18:27:39,545 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 [2019-01-07 18:27:39,560 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 [2019-01-07 18:27:39,572 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 [2019-01-07 18:27:39,573 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 [2019-01-07 18:27:39,574 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 [2019-01-07 18:27:39,574 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 [2019-01-07 18:27:39,575 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 [2019-01-07 18:27:39,575 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 [2019-01-07 18:27:39,576 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 [2019-01-07 18:27:39,577 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 [2019-01-07 18:27:39,577 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 [2019-01-07 18:27:39,578 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 [2019-01-07 18:27:39,579 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 [2019-01-07 18:27:39,580 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 [2019-01-07 18:27:39,581 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 [2019-01-07 18:27:39,582 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 [2019-01-07 18:27:39,583 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 [2019-01-07 18:27:39,584 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 [2019-01-07 18:27:39,584 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 [2019-01-07 18:27:39,585 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 [2019-01-07 18:27:39,586 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 [2019-01-07 18:27:39,587 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 [2019-01-07 18:27:39,588 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 [2019-01-07 18:27:39,589 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 [2019-01-07 18:27:39,590 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 [2019-01-07 18:27:39,591 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 [2019-01-07 18:27:39,591 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 [2019-01-07 18:27:39,592 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 [2019-01-07 18:27:39,593 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 [2019-01-07 18:27:39,594 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 [2019-01-07 18:27:39,595 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 [2019-01-07 18:27:39,596 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 [2019-01-07 18:27:39,597 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 [2019-01-07 18:27:39,598 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 [2019-01-07 18:27:39,598 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 [2019-01-07 18:27:39,599 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 [2019-01-07 18:27:39,600 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 [2019-01-07 18:27:39,601 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 [2019-01-07 18:27:39,602 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 [2019-01-07 18:27:39,603 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 [2019-01-07 18:27:39,604 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 [2019-01-07 18:27:39,605 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 [2019-01-07 18:27:39,605 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 [2019-01-07 18:27:39,606 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 [2019-01-07 18:27:39,607 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 [2019-01-07 18:27:39,608 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 [2019-01-07 18:27:39,609 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 [2019-01-07 18:27:39,610 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 [2019-01-07 18:27:39,611 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 [2019-01-07 18:27:39,611 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 [2019-01-07 18:27:39,612 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 [2019-01-07 18:27:39,613 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 [2019-01-07 18:27:39,614 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 [2019-01-07 18:27:39,615 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 [2019-01-07 18:27:39,616 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 [2019-01-07 18:27:39,616 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 [2019-01-07 18:27:39,616 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-01-07 18:27:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:27:39,622 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:27:41,119 INFO L273 TraceCheckUtils]: 70: Hoare triple {28333#false} assume !false; {28333#false} is VALID [2019-01-07 18:27:41,119 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 [2019-01-07 18:27:41,120 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 [2019-01-07 18:27:41,120 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 [2019-01-07 18:27:41,121 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 [2019-01-07 18:27:41,121 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 [2019-01-07 18:27:41,122 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 [2019-01-07 18:27:41,123 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 [2019-01-07 18:27:41,124 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 [2019-01-07 18:27:41,125 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 [2019-01-07 18:27:41,125 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 [2019-01-07 18:27:41,126 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 [2019-01-07 18:27:41,127 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 [2019-01-07 18:27:41,128 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 [2019-01-07 18:27:41,129 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 [2019-01-07 18:27:41,130 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 [2019-01-07 18:27:41,131 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 [2019-01-07 18:27:41,131 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 [2019-01-07 18:27:41,132 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 [2019-01-07 18:27:41,133 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 [2019-01-07 18:27:41,134 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 [2019-01-07 18:27:41,135 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 [2019-01-07 18:27:41,136 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 [2019-01-07 18:27:41,137 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 [2019-01-07 18:27:41,137 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 [2019-01-07 18:27:41,138 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 [2019-01-07 18:27:41,139 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 [2019-01-07 18:27:41,140 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 [2019-01-07 18:27:41,141 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 [2019-01-07 18:27:41,142 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 [2019-01-07 18:27:41,143 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 [2019-01-07 18:27:41,143 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 [2019-01-07 18:27:41,144 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 [2019-01-07 18:27:41,145 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 [2019-01-07 18:27:41,146 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 [2019-01-07 18:27:41,147 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 [2019-01-07 18:27:41,148 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 [2019-01-07 18:27:41,149 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 [2019-01-07 18:27:41,150 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 [2019-01-07 18:27:41,150 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 [2019-01-07 18:27:41,151 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 [2019-01-07 18:27:41,152 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 [2019-01-07 18:27:41,153 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 [2019-01-07 18:27:41,154 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 [2019-01-07 18:27:41,155 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 [2019-01-07 18:27:41,156 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 [2019-01-07 18:27:41,157 INFO L273 TraceCheckUtils]: 24: Hoare triple {28357#(<= 23 ULTIMATE.start_main_~i~6)} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {28358#(<= 24 ULTIMATE.start_main_~i~6)} is VALID [2019-01-07 18:27:41,157 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 [2019-01-07 18:27:41,158 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 [2019-01-07 18:27:41,159 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 [2019-01-07 18:27:41,160 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 [2019-01-07 18:27:41,161 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 [2019-01-07 18:27:41,162 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 [2019-01-07 18:27:41,163 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 [2019-01-07 18:27:41,163 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 [2019-01-07 18:27:41,164 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 [2019-01-07 18:27:41,165 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 [2019-01-07 18:27:41,166 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 [2019-01-07 18:27:41,167 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 [2019-01-07 18:27:41,168 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 [2019-01-07 18:27:41,169 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 [2019-01-07 18:27:41,170 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 [2019-01-07 18:27:41,170 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 [2019-01-07 18:27:41,171 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 [2019-01-07 18:27:41,172 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 [2019-01-07 18:27:41,173 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 [2019-01-07 18:27:41,174 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 [2019-01-07 18:27:41,175 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 [2019-01-07 18:27:41,176 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 [2019-01-07 18:27:41,176 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 [2019-01-07 18:27:41,177 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 [2019-01-07 18:27:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 561 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:27:41,201 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:27:41,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 36 [2019-01-07 18:27:41,201 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:27:41,202 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2019-01-07 18:27:41,202 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:27:41,202 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states. [2019-01-07 18:27:41,285 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:27:41,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-01-07 18:27:41,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-01-07 18:27:41,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2019-01-07 18:27:41,286 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 37 states. [2019-01-07 18:27:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:44,255 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-01-07 18:27:44,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-01-07 18:27:44,255 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 71 [2019-01-07 18:27:44,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:27:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-07 18:27:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2019-01-07 18:27:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-01-07 18:27:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2019-01-07 18:27:44,258 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 71 states and 76 transitions. [2019-01-07 18:27:44,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:27:44,324 INFO L225 Difference]: With dead ends: 75 [2019-01-07 18:27:44,324 INFO L226 Difference]: Without dead ends: 73 [2019-01-07 18:27:44,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 107 SyntacticMatches, 68 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2244 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1890, Invalid=3080, Unknown=0, NotChecked=0, Total=4970 [2019-01-07 18:27:44,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-07 18:27:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-01-07 18:27:46,460 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:27:46,460 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2019-01-07 18:27:46,460 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2019-01-07 18:27:46,460 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2019-01-07 18:27:46,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:46,462 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2019-01-07 18:27:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-01-07 18:27:46,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:27:46,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:27:46,462 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2019-01-07 18:27:46,463 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2019-01-07 18:27:46,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:27:46,463 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2019-01-07 18:27:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-01-07 18:27:46,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:27:46,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:27:46,464 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:27:46,464 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:27:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-01-07 18:27:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2019-01-07 18:27:46,465 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 71 [2019-01-07 18:27:46,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:27:46,465 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2019-01-07 18:27:46,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-01-07 18:27:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2019-01-07 18:27:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-01-07 18:27:46,465 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:27:46,465 INFO L402 BasicCegarLoop]: trace histogram [34, 34, 1, 1, 1, 1] [2019-01-07 18:27:46,465 INFO L423 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:27:46,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:27:46,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1548924138, now seen corresponding path program 51 times [2019-01-07 18:27:46,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:27:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:27:46,466 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:27:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:27:46,467 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:27:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:27:49,427 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 [2019-01-07 18:27:49,428 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 [2019-01-07 18:27:49,429 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 [2019-01-07 18:27:49,430 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 [2019-01-07 18:27:49,431 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 [2019-01-07 18:27:49,432 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 [2019-01-07 18:27:49,433 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 [2019-01-07 18:27:49,434 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 [2019-01-07 18:27:49,435 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 [2019-01-07 18:27:49,436 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 [2019-01-07 18:27:49,437 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 [2019-01-07 18:27:49,438 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 [2019-01-07 18:27:49,439 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 [2019-01-07 18:27:49,440 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 [2019-01-07 18:27:49,441 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 [2019-01-07 18:27:49,442 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 [2019-01-07 18:27:49,443 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 [2019-01-07 18:27:49,444 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 [2019-01-07 18:27:49,445 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 [2019-01-07 18:27:49,446 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 [2019-01-07 18:27:49,447 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 [2019-01-07 18:27:49,448 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 [2019-01-07 18:27:49,449 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 [2019-01-07 18:27:49,450 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 [2019-01-07 18:27:49,451 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 [2019-01-07 18:27:49,452 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 [2019-01-07 18:27:49,453 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 [2019-01-07 18:27:49,454 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 [2019-01-07 18:27:49,455 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 [2019-01-07 18:27:49,456 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 [2019-01-07 18:27:49,457 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 [2019-01-07 18:27:49,458 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 [2019-01-07 18:27:49,459 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 [2019-01-07 18:27:49,460 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 [2019-01-07 18:27:49,461 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 [2019-01-07 18:27:49,462 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 [2019-01-07 18:27:49,463 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 [2019-01-07 18:27:49,464 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 [2019-01-07 18:27:49,465 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 [2019-01-07 18:27:49,466 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 [2019-01-07 18:27:49,467 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 [2019-01-07 18:27:49,468 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 [2019-01-07 18:27:49,469 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 [2019-01-07 18:27:49,470 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 [2019-01-07 18:27:49,471 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 [2019-01-07 18:27:49,472 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 [2019-01-07 18:27:49,473 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 [2019-01-07 18:27:49,474 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 [2019-01-07 18:27:49,475 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 [2019-01-07 18:27:49,476 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 [2019-01-07 18:27:49,477 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 [2019-01-07 18:27:49,478 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 [2019-01-07 18:27:49,479 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 [2019-01-07 18:27:49,480 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 [2019-01-07 18:27:49,481 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 [2019-01-07 18:27:49,482 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 [2019-01-07 18:27:49,483 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 [2019-01-07 18:27:49,484 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 [2019-01-07 18:27:49,485 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 [2019-01-07 18:27:49,486 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 [2019-01-07 18:27:49,487 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 [2019-01-07 18:27:49,488 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 [2019-01-07 18:27:49,489 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 [2019-01-07 18:27:49,490 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 [2019-01-07 18:27:49,491 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 [2019-01-07 18:27:49,492 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 [2019-01-07 18:27:49,493 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 [2019-01-07 18:27:49,494 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 [2019-01-07 18:27:49,495 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 [2019-01-07 18:27:49,496 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 [2019-01-07 18:27:49,497 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 [2019-01-07 18:27:49,497 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-01-07 18:27:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:27:49,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:27:49,506 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:27:49,506 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:27:49,506 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:27:49,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:27:49,507 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 [2019-01-07 18:27:49,535 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:27:49,535 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:27:49,587 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:27:49,587 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:27:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:27:49,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:27:53,095 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 [2019-01-07 18:27:53,097 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:27:53,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:27:53,104 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:27:53,107 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:27:53,107 WARN L385 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)) [2019-01-07 18:27:53,108 WARN L386 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))) [2019-01-07 18:27:53,221 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 [2019-01-07 18:27:53,221 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 [2019-01-07 18:27:53,221 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,222 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,223 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 [2019-01-07 18:27:53,224 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 [2019-01-07 18:27:53,224 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 [2019-01-07 18:27:53,224 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 [2019-01-07 18:27:53,224 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 [2019-01-07 18:27:53,224 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 [2019-01-07 18:27:53,224 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 [2019-01-07 18:27:53,225 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 [2019-01-07 18:27:53,225 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 [2019-01-07 18:27:53,225 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 [2019-01-07 18:27:53,225 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 [2019-01-07 18:27:53,225 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 [2019-01-07 18:27:53,225 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 [2019-01-07 18:27:53,225 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 [2019-01-07 18:27:53,226 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 [2019-01-07 18:27:53,226 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 [2019-01-07 18:27:53,231 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 [2019-01-07 18:27:53,232 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 [2019-01-07 18:27:53,233 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 [2019-01-07 18:27:53,234 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 [2019-01-07 18:27:53,234 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 [2019-01-07 18:27:53,235 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 [2019-01-07 18:27:53,236 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 [2019-01-07 18:27:53,237 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 [2019-01-07 18:27:53,239 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 [2019-01-07 18:27:53,240 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 [2019-01-07 18:27:53,241 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 [2019-01-07 18:27:53,242 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 [2019-01-07 18:27:53,243 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 [2019-01-07 18:27:53,244 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 [2019-01-07 18:27:53,245 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 [2019-01-07 18:27:53,246 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 [2019-01-07 18:27:53,247 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 [2019-01-07 18:27:53,248 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 [2019-01-07 18:27:53,249 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 [2019-01-07 18:27:53,250 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 [2019-01-07 18:27:53,251 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 [2019-01-07 18:27:53,252 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 [2019-01-07 18:27:53,253 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 [2019-01-07 18:27:53,254 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 [2019-01-07 18:27:53,256 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 [2019-01-07 18:27:53,257 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 [2019-01-07 18:27:53,258 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 [2019-01-07 18:27:53,259 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 [2019-01-07 18:27:53,260 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 [2019-01-07 18:27:53,261 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 [2019-01-07 18:27:53,262 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 [2019-01-07 18:27:53,263 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 [2019-01-07 18:27:53,264 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 [2019-01-07 18:27:53,265 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 [2019-01-07 18:27:53,266 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 [2019-01-07 18:27:53,268 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 [2019-01-07 18:27:53,268 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-01-07 18:27:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2019-01-07 18:27:53,282 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:27:53,422 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2019-01-07 18:27:53,424 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:27:53,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:27:53,435 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:27:57,481 INFO L273 TraceCheckUtils]: 71: Hoare triple {29297#false} assume !false; {29297#false} is VALID [2019-01-07 18:27:57,482 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 [2019-01-07 18:27:57,483 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 [2019-01-07 18:27:57,485 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 [2019-01-07 18:27:57,486 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 [2019-01-07 18:27:57,487 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 [2019-01-07 18:27:57,488 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 [2019-01-07 18:27:57,489 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 [2019-01-07 18:27:57,490 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 [2019-01-07 18:27:57,491 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 [2019-01-07 18:27:57,492 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 [2019-01-07 18:27:57,493 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 [2019-01-07 18:27:57,494 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 [2019-01-07 18:27:57,496 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 [2019-01-07 18:27:57,497 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 [2019-01-07 18:27:57,498 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 [2019-01-07 18:27:57,499 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 [2019-01-07 18:27:57,500 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 [2019-01-07 18:27:57,501 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 [2019-01-07 18:27:57,502 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 [2019-01-07 18:27:57,503 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 [2019-01-07 18:27:57,504 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 [2019-01-07 18:27:57,505 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 [2019-01-07 18:27:57,506 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 [2019-01-07 18:27:57,507 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 [2019-01-07 18:27:57,508 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 [2019-01-07 18:27:57,510 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 [2019-01-07 18:27:57,511 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 [2019-01-07 18:27:57,512 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 [2019-01-07 18:27:57,513 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 [2019-01-07 18:27:57,514 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 [2019-01-07 18:27:57,515 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 [2019-01-07 18:27:57,516 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 [2019-01-07 18:27:57,517 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 [2019-01-07 18:27:57,518 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 [2019-01-07 18:27:57,519 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 [2019-01-07 18:27:57,520 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 [2019-01-07 18:27:57,521 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 [2019-01-07 18:27:57,521 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 [2019-01-07 18:27:57,521 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 [2019-01-07 18:27:57,521 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 [2019-01-07 18:27:57,521 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 [2019-01-07 18:27:57,521 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 [2019-01-07 18:27:57,522 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 [2019-01-07 18:27:57,522 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 [2019-01-07 18:27:57,522 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 [2019-01-07 18:27:57,522 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 [2019-01-07 18:27:57,522 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 [2019-01-07 18:27:57,522 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 [2019-01-07 18:27:57,522 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 [2019-01-07 18:27:57,523 INFO L273 TraceCheckUtils]: 21: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2019-01-07 18:27:57,523 INFO L273 TraceCheckUtils]: 20: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2019-01-07 18:27:57,523 INFO L273 TraceCheckUtils]: 19: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2019-01-07 18:27:57,523 INFO L273 TraceCheckUtils]: 18: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2019-01-07 18:27:57,523 INFO L273 TraceCheckUtils]: 17: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2019-01-07 18:27:57,523 INFO L273 TraceCheckUtils]: 16: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2019-01-07 18:27:57,523 INFO L273 TraceCheckUtils]: 15: Hoare triple {29296#true} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {29296#true} is VALID [2019-01-07 18:27:57,523 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 [2019-01-07 18:27:57,523 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,524 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 [2019-01-07 18:27:57,525 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 [2019-01-07 18:27:57,525 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 [2019-01-07 18:27:57,525 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 [2019-01-07 18:27:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2019-01-07 18:27:57,550 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:27:57,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 37, 37] total 142 [2019-01-07 18:27:57,551 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:27:57,551 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2019-01-07 18:27:57,551 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:27:57,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states. [2019-01-07 18:27:57,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:27:57,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 107 states [2019-01-07 18:27:57,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2019-01-07 18:27:57,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2662, Invalid=17360, Unknown=0, NotChecked=0, Total=20022 [2019-01-07 18:27:57,655 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 107 states. [2019-01-07 18:28:24,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:28:24,254 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2019-01-07 18:28:24,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2019-01-07 18:28:24,254 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 72 [2019-01-07 18:28:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:28:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-07 18:28:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2019-01-07 18:28:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-07 18:28:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2019-01-07 18:28:24,258 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 117 transitions. [2019-01-07 18:28:24,388 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:28:24,389 INFO L225 Difference]: With dead ends: 113 [2019-01-07 18:28:24,389 INFO L226 Difference]: Without dead ends: 75 [2019-01-07 18:28:24,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2626 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=4225, Invalid=28355, Unknown=0, NotChecked=0, Total=32580 [2019-01-07 18:28:24,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-07 18:28:26,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-01-07 18:28:26,686 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:28:26,686 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2019-01-07 18:28:26,686 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2019-01-07 18:28:26,686 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2019-01-07 18:28:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:28:26,687 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-01-07 18:28:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-01-07 18:28:26,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:28:26,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:28:26,688 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2019-01-07 18:28:26,688 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2019-01-07 18:28:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:28:26,690 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2019-01-07 18:28:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-01-07 18:28:26,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:28:26,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:28:26,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:28:26,690 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:28:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-01-07 18:28:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2019-01-07 18:28:26,691 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 72 [2019-01-07 18:28:26,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:28:26,691 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2019-01-07 18:28:26,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 107 states. [2019-01-07 18:28:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2019-01-07 18:28:26,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-01-07 18:28:26,691 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:28:26,692 INFO L402 BasicCegarLoop]: trace histogram [35, 35, 1, 1, 1, 1] [2019-01-07 18:28:26,692 INFO L423 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:28:26,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:28:26,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1198231019, now seen corresponding path program 52 times [2019-01-07 18:28:26,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:28:26,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:28:26,693 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:28:26,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:28:26,693 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:28:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:28:30,031 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 [2019-01-07 18:28:30,033 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 [2019-01-07 18:28:30,034 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 [2019-01-07 18:28:30,035 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 [2019-01-07 18:28:30,036 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 [2019-01-07 18:28:30,037 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 [2019-01-07 18:28:30,038 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 [2019-01-07 18:28:30,039 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 [2019-01-07 18:28:30,040 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 [2019-01-07 18:28:30,041 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 [2019-01-07 18:28:30,041 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 [2019-01-07 18:28:30,042 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 [2019-01-07 18:28:30,043 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 [2019-01-07 18:28:30,044 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 [2019-01-07 18:28:30,045 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 [2019-01-07 18:28:30,046 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 [2019-01-07 18:28:30,047 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 [2019-01-07 18:28:30,048 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 [2019-01-07 18:28:30,049 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 [2019-01-07 18:28:30,050 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 [2019-01-07 18:28:30,051 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 [2019-01-07 18:28:30,052 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 [2019-01-07 18:28:30,053 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 [2019-01-07 18:28:30,054 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 [2019-01-07 18:28:30,055 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 [2019-01-07 18:28:30,056 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 [2019-01-07 18:28:30,057 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 [2019-01-07 18:28:30,058 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 [2019-01-07 18:28:30,059 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 [2019-01-07 18:28:30,060 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 [2019-01-07 18:28:30,061 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 [2019-01-07 18:28:30,062 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 [2019-01-07 18:28:30,063 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 [2019-01-07 18:28:30,063 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 [2019-01-07 18:28:30,065 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 [2019-01-07 18:28:30,066 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 [2019-01-07 18:28:30,067 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 [2019-01-07 18:28:30,068 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 [2019-01-07 18:28:30,068 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 [2019-01-07 18:28:30,069 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 [2019-01-07 18:28:30,070 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 [2019-01-07 18:28:30,071 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 [2019-01-07 18:28:30,072 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 [2019-01-07 18:28:30,073 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 [2019-01-07 18:28:30,074 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 [2019-01-07 18:28:30,075 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 [2019-01-07 18:28:30,076 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 [2019-01-07 18:28:30,077 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 [2019-01-07 18:28:30,078 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 [2019-01-07 18:28:30,079 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 [2019-01-07 18:28:30,080 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 [2019-01-07 18:28:30,081 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 [2019-01-07 18:28:30,082 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 [2019-01-07 18:28:30,083 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 [2019-01-07 18:28:30,084 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 [2019-01-07 18:28:30,085 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 [2019-01-07 18:28:30,086 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 [2019-01-07 18:28:30,087 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 [2019-01-07 18:28:30,087 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 [2019-01-07 18:28:30,088 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 [2019-01-07 18:28:30,089 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 [2019-01-07 18:28:30,090 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 [2019-01-07 18:28:30,091 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 [2019-01-07 18:28:30,092 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 [2019-01-07 18:28:30,093 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 [2019-01-07 18:28:30,094 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 [2019-01-07 18:28:30,095 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 [2019-01-07 18:28:30,096 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 [2019-01-07 18:28:30,097 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 [2019-01-07 18:28:30,098 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 [2019-01-07 18:28:30,099 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 [2019-01-07 18:28:30,100 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 [2019-01-07 18:28:30,101 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 [2019-01-07 18:28:30,101 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-01-07 18:28:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:28:30,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:28:30,109 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:28:30,109 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:28:30,110 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:28:30,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:28:30,110 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 [2019-01-07 18:28:30,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:28:30,119 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:28:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:28:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:28:30,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:28:33,768 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 [2019-01-07 18:28:33,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:28:33,774 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:28:33,775 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:28:33,777 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:28:33,777 WARN L385 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)) [2019-01-07 18:28:33,778 WARN L386 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)) [2019-01-07 18:28:33,882 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 [2019-01-07 18:28:33,883 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 [2019-01-07 18:28:33,884 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 [2019-01-07 18:28:33,885 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 [2019-01-07 18:28:33,886 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 [2019-01-07 18:28:33,887 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 [2019-01-07 18:28:33,888 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 [2019-01-07 18:28:33,889 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 [2019-01-07 18:28:33,890 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 [2019-01-07 18:28:33,891 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 [2019-01-07 18:28:33,892 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 [2019-01-07 18:28:33,893 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 [2019-01-07 18:28:33,894 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 [2019-01-07 18:28:33,895 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 [2019-01-07 18:28:33,896 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 [2019-01-07 18:28:33,897 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 [2019-01-07 18:28:33,898 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 [2019-01-07 18:28:33,899 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 [2019-01-07 18:28:33,900 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 [2019-01-07 18:28:33,901 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 [2019-01-07 18:28:33,902 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 [2019-01-07 18:28:33,902 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 [2019-01-07 18:28:33,903 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 [2019-01-07 18:28:33,904 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 [2019-01-07 18:28:33,905 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 [2019-01-07 18:28:33,906 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 [2019-01-07 18:28:33,907 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 [2019-01-07 18:28:33,908 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 [2019-01-07 18:28:33,909 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 [2019-01-07 18:28:33,910 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 [2019-01-07 18:28:33,911 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 [2019-01-07 18:28:33,912 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 [2019-01-07 18:28:33,913 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 [2019-01-07 18:28:33,914 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 [2019-01-07 18:28:33,916 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 [2019-01-07 18:28:33,917 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 [2019-01-07 18:28:33,918 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 [2019-01-07 18:28:33,919 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 [2019-01-07 18:28:33,920 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 [2019-01-07 18:28:33,921 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 [2019-01-07 18:28:33,922 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 [2019-01-07 18:28:33,923 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 [2019-01-07 18:28:33,923 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 [2019-01-07 18:28:33,924 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 [2019-01-07 18:28:33,925 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 [2019-01-07 18:28:33,926 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 [2019-01-07 18:28:33,926 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 [2019-01-07 18:28:33,927 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 [2019-01-07 18:28:33,928 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 [2019-01-07 18:28:33,929 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 [2019-01-07 18:28:33,930 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 [2019-01-07 18:28:33,931 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 [2019-01-07 18:28:33,931 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 [2019-01-07 18:28:33,932 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 [2019-01-07 18:28:33,933 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 [2019-01-07 18:28:33,934 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 [2019-01-07 18:28:33,934 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 [2019-01-07 18:28:33,935 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 [2019-01-07 18:28:33,936 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 [2019-01-07 18:28:33,937 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 [2019-01-07 18:28:33,938 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 [2019-01-07 18:28:33,940 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 [2019-01-07 18:28:33,941 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 [2019-01-07 18:28:33,941 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 [2019-01-07 18:28:33,942 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 [2019-01-07 18:28:33,942 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 [2019-01-07 18:28:33,943 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 [2019-01-07 18:28:33,943 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 [2019-01-07 18:28:33,944 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 [2019-01-07 18:28:33,945 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 [2019-01-07 18:28:33,946 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 [2019-01-07 18:28:33,947 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 [2019-01-07 18:28:33,948 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 [2019-01-07 18:28:33,948 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-01-07 18:28:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:28:33,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:28:33,995 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 [2019-01-07 18:28:33,997 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:28:34,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:28:34,001 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:28:34,003 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:28:34,003 WARN L385 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))))) [2019-01-07 18:28:34,003 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:28:35,387 INFO L273 TraceCheckUtils]: 73: Hoare triple {30466#false} assume !false; {30466#false} is VALID [2019-01-07 18:28:35,388 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 [2019-01-07 18:28:35,389 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 [2019-01-07 18:28:35,390 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 [2019-01-07 18:28:35,391 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 [2019-01-07 18:28:35,392 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 [2019-01-07 18:28:35,394 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 [2019-01-07 18:28:35,395 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 [2019-01-07 18:28:35,396 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 [2019-01-07 18:28:35,397 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 [2019-01-07 18:28:35,398 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 [2019-01-07 18:28:35,399 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 [2019-01-07 18:28:35,400 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 [2019-01-07 18:28:35,401 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 [2019-01-07 18:28:35,402 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 [2019-01-07 18:28:35,403 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 [2019-01-07 18:28:35,404 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 [2019-01-07 18:28:35,405 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 [2019-01-07 18:28:35,406 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 [2019-01-07 18:28:35,407 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 [2019-01-07 18:28:35,408 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 [2019-01-07 18:28:35,409 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 [2019-01-07 18:28:35,410 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 [2019-01-07 18:28:35,411 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 [2019-01-07 18:28:35,412 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 [2019-01-07 18:28:35,413 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 [2019-01-07 18:28:35,414 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 [2019-01-07 18:28:35,415 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 [2019-01-07 18:28:35,416 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 [2019-01-07 18:28:35,417 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 [2019-01-07 18:28:35,418 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 [2019-01-07 18:28:35,419 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 [2019-01-07 18:28:35,420 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 [2019-01-07 18:28:35,421 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 [2019-01-07 18:28:35,422 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 [2019-01-07 18:28:35,423 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 [2019-01-07 18:28:35,424 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 [2019-01-07 18:28:35,425 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 [2019-01-07 18:28:35,426 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 [2019-01-07 18:28:35,427 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 [2019-01-07 18:28:35,428 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 [2019-01-07 18:28:35,429 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 [2019-01-07 18:28:35,430 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 [2019-01-07 18:28:35,431 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 [2019-01-07 18:28:35,432 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 [2019-01-07 18:28:35,433 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 [2019-01-07 18:28:35,435 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 [2019-01-07 18:28:35,436 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 [2019-01-07 18:28:35,437 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 [2019-01-07 18:28:35,438 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 [2019-01-07 18:28:35,439 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 [2019-01-07 18:28:35,440 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 [2019-01-07 18:28:35,441 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 [2019-01-07 18:28:35,442 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 [2019-01-07 18:28:35,443 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 [2019-01-07 18:28:35,444 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 [2019-01-07 18:28:35,445 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 [2019-01-07 18:28:35,446 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 [2019-01-07 18:28:35,447 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 [2019-01-07 18:28:35,448 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 [2019-01-07 18:28:35,449 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 [2019-01-07 18:28:35,450 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 [2019-01-07 18:28:35,451 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 [2019-01-07 18:28:35,452 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 [2019-01-07 18:28:35,453 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 [2019-01-07 18:28:35,454 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 [2019-01-07 18:28:35,455 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 [2019-01-07 18:28:35,456 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 [2019-01-07 18:28:35,457 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 [2019-01-07 18:28:35,458 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 [2019-01-07 18:28:35,459 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 [2019-01-07 18:28:35,460 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 [2019-01-07 18:28:35,461 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 [2019-01-07 18:28:35,462 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 [2019-01-07 18:28:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:28:35,489 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:28:35,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73, 73] total 111 [2019-01-07 18:28:35,489 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:28:35,490 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2019-01-07 18:28:35,490 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:28:35,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 112 states. [2019-01-07 18:28:35,602 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:28:35,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 112 states [2019-01-07 18:28:35,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2019-01-07 18:28:35,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=12101, Unknown=0, NotChecked=0, Total=12432 [2019-01-07 18:28:35,603 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 112 states. [2019-01-07 18:28:58,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:28:58,535 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2019-01-07 18:28:58,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-01-07 18:28:58,535 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 74 [2019-01-07 18:28:58,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:28:58,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-01-07 18:28:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2019-01-07 18:28:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-01-07 18:28:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2019-01-07 18:28:58,537 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 82 transitions. [2019-01-07 18:28:58,641 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:28:58,642 INFO L225 Difference]: With dead ends: 114 [2019-01-07 18:28:58,642 INFO L226 Difference]: Without dead ends: 76 [2019-01-07 18:28:58,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 83 SyntacticMatches, 26 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3645 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=700, Invalid=21650, Unknown=0, NotChecked=0, Total=22350 [2019-01-07 18:28:58,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-07 18:29:00,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-01-07 18:29:00,680 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:29:00,680 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 76 states. [2019-01-07 18:29:00,681 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2019-01-07 18:29:00,681 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2019-01-07 18:29:00,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:00,682 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2019-01-07 18:29:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-01-07 18:29:00,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:29:00,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:29:00,683 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2019-01-07 18:29:00,683 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2019-01-07 18:29:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:00,684 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2019-01-07 18:29:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-01-07 18:29:00,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:29:00,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:29:00,684 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:29:00,684 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:29:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-07 18:29:00,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2019-01-07 18:29:00,685 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 74 [2019-01-07 18:29:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:29:00,685 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2019-01-07 18:29:00,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 112 states. [2019-01-07 18:29:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2019-01-07 18:29:00,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-01-07 18:29:00,686 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:29:00,686 INFO L402 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1, 1] [2019-01-07 18:29:00,686 INFO L423 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:29:00,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:29:00,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2146155380, now seen corresponding path program 53 times [2019-01-07 18:29:00,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:29:00,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:29:00,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:29:00,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:29:00,687 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:29:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:29:02,287 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 [2019-01-07 18:29:02,288 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 [2019-01-07 18:29:02,289 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 [2019-01-07 18:29:02,290 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 [2019-01-07 18:29:02,291 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 [2019-01-07 18:29:02,292 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 [2019-01-07 18:29:02,293 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 [2019-01-07 18:29:02,294 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 [2019-01-07 18:29:02,294 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 [2019-01-07 18:29:02,295 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 [2019-01-07 18:29:02,296 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 [2019-01-07 18:29:02,297 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 [2019-01-07 18:29:02,298 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 [2019-01-07 18:29:02,299 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 [2019-01-07 18:29:02,300 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 [2019-01-07 18:29:02,301 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 [2019-01-07 18:29:02,302 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 [2019-01-07 18:29:02,303 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 [2019-01-07 18:29:02,304 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 [2019-01-07 18:29:02,305 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 [2019-01-07 18:29:02,306 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 [2019-01-07 18:29:02,306 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 [2019-01-07 18:29:02,307 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 [2019-01-07 18:29:02,308 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 [2019-01-07 18:29:02,309 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 [2019-01-07 18:29:02,310 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 [2019-01-07 18:29:02,311 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 [2019-01-07 18:29:02,312 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 [2019-01-07 18:29:02,313 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 [2019-01-07 18:29:02,314 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 [2019-01-07 18:29:02,315 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 [2019-01-07 18:29:02,316 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 [2019-01-07 18:29:02,317 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 [2019-01-07 18:29:02,318 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 [2019-01-07 18:29:02,319 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 [2019-01-07 18:29:02,319 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 [2019-01-07 18:29:02,320 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 [2019-01-07 18:29:02,321 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 [2019-01-07 18:29:02,322 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 [2019-01-07 18:29:02,323 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 [2019-01-07 18:29:02,324 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 [2019-01-07 18:29:02,325 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 [2019-01-07 18:29:02,326 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 [2019-01-07 18:29:02,327 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 [2019-01-07 18:29:02,328 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 [2019-01-07 18:29:02,329 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 [2019-01-07 18:29:02,330 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 [2019-01-07 18:29:02,330 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 [2019-01-07 18:29:02,331 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 [2019-01-07 18:29:02,332 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 [2019-01-07 18:29:02,333 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 [2019-01-07 18:29:02,334 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 [2019-01-07 18:29:02,335 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 [2019-01-07 18:29:02,336 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 [2019-01-07 18:29:02,337 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 [2019-01-07 18:29:02,338 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 [2019-01-07 18:29:02,339 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 [2019-01-07 18:29:02,340 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 [2019-01-07 18:29:02,341 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 [2019-01-07 18:29:02,342 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 [2019-01-07 18:29:02,343 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 [2019-01-07 18:29:02,343 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 [2019-01-07 18:29:02,344 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 [2019-01-07 18:29:02,345 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 [2019-01-07 18:29:02,346 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 [2019-01-07 18:29:02,347 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 [2019-01-07 18:29:02,348 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 [2019-01-07 18:29:02,349 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 [2019-01-07 18:29:02,350 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 [2019-01-07 18:29:02,351 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 [2019-01-07 18:29:02,352 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 [2019-01-07 18:29:02,353 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 [2019-01-07 18:29:02,354 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 [2019-01-07 18:29:02,354 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 [2019-01-07 18:29:02,354 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-01-07 18:29:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:29:02,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:29:02,361 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:29:02,361 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:29:02,361 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:29:02,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:29:02,361 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 [2019-01-07 18:29:02,372 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:29:02,372 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:29:02,607 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2019-01-07 18:29:02,608 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:29:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:29:02,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:29:03,006 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 [2019-01-07 18:29:03,008 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 [2019-01-07 18:29:03,009 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 [2019-01-07 18:29:03,010 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 [2019-01-07 18:29:03,010 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 [2019-01-07 18:29:03,011 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 [2019-01-07 18:29:03,012 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 [2019-01-07 18:29:03,013 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 [2019-01-07 18:29:03,014 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 [2019-01-07 18:29:03,015 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 [2019-01-07 18:29:03,016 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 [2019-01-07 18:29:03,017 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 [2019-01-07 18:29:03,018 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 [2019-01-07 18:29:03,019 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 [2019-01-07 18:29:03,020 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 [2019-01-07 18:29:03,021 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 [2019-01-07 18:29:03,022 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 [2019-01-07 18:29:03,023 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 [2019-01-07 18:29:03,023 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 [2019-01-07 18:29:03,024 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 [2019-01-07 18:29:03,025 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 [2019-01-07 18:29:03,026 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 [2019-01-07 18:29:03,027 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 [2019-01-07 18:29:03,028 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 [2019-01-07 18:29:03,029 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 [2019-01-07 18:29:03,030 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 [2019-01-07 18:29:03,031 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 [2019-01-07 18:29:03,032 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 [2019-01-07 18:29:03,033 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 [2019-01-07 18:29:03,034 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 [2019-01-07 18:29:03,035 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 [2019-01-07 18:29:03,035 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 [2019-01-07 18:29:03,036 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 [2019-01-07 18:29:03,037 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 [2019-01-07 18:29:03,038 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 [2019-01-07 18:29:03,039 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 [2019-01-07 18:29:03,040 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 [2019-01-07 18:29:03,041 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 [2019-01-07 18:29:03,042 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 [2019-01-07 18:29:03,043 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 [2019-01-07 18:29:03,044 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 [2019-01-07 18:29:03,045 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 [2019-01-07 18:29:03,046 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 [2019-01-07 18:29:03,047 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 [2019-01-07 18:29:03,048 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 [2019-01-07 18:29:03,048 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 [2019-01-07 18:29:03,049 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 [2019-01-07 18:29:03,050 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 [2019-01-07 18:29:03,051 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 [2019-01-07 18:29:03,052 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 [2019-01-07 18:29:03,053 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 [2019-01-07 18:29:03,054 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 [2019-01-07 18:29:03,055 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 [2019-01-07 18:29:03,056 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 [2019-01-07 18:29:03,057 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 [2019-01-07 18:29:03,058 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 [2019-01-07 18:29:03,059 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 [2019-01-07 18:29:03,059 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 [2019-01-07 18:29:03,060 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 [2019-01-07 18:29:03,061 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 [2019-01-07 18:29:03,062 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 [2019-01-07 18:29:03,063 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 [2019-01-07 18:29:03,064 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 [2019-01-07 18:29:03,065 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 [2019-01-07 18:29:03,066 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 [2019-01-07 18:29:03,067 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 [2019-01-07 18:29:03,068 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 [2019-01-07 18:29:03,069 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 [2019-01-07 18:29:03,070 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 [2019-01-07 18:29:03,070 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 [2019-01-07 18:29:03,071 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 [2019-01-07 18:29:03,072 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 [2019-01-07 18:29:03,073 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 [2019-01-07 18:29:03,074 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 [2019-01-07 18:29:03,074 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-01-07 18:29:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:29:03,079 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:29:04,520 INFO L273 TraceCheckUtils]: 74: Hoare triple {31621#false} assume !false; {31621#false} is VALID [2019-01-07 18:29:04,520 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 [2019-01-07 18:29:04,521 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 [2019-01-07 18:29:04,521 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 [2019-01-07 18:29:04,522 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 [2019-01-07 18:29:04,522 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 [2019-01-07 18:29:04,523 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 [2019-01-07 18:29:04,524 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 [2019-01-07 18:29:04,525 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 [2019-01-07 18:29:04,526 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 [2019-01-07 18:29:04,527 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 [2019-01-07 18:29:04,528 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 [2019-01-07 18:29:04,528 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 [2019-01-07 18:29:04,529 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 [2019-01-07 18:29:04,530 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 [2019-01-07 18:29:04,531 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 [2019-01-07 18:29:04,532 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 [2019-01-07 18:29:04,533 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 [2019-01-07 18:29:04,534 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 [2019-01-07 18:29:04,535 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 [2019-01-07 18:29:04,536 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 [2019-01-07 18:29:04,537 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 [2019-01-07 18:29:04,538 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 [2019-01-07 18:29:04,539 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 [2019-01-07 18:29:04,540 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 [2019-01-07 18:29:04,540 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 [2019-01-07 18:29:04,541 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 [2019-01-07 18:29:04,542 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 [2019-01-07 18:29:04,543 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 [2019-01-07 18:29:04,544 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 [2019-01-07 18:29:04,545 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 [2019-01-07 18:29:04,546 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 [2019-01-07 18:29:04,547 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 [2019-01-07 18:29:04,548 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 [2019-01-07 18:29:04,549 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 [2019-01-07 18:29:04,550 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 [2019-01-07 18:29:04,551 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 [2019-01-07 18:29:04,552 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 [2019-01-07 18:29:04,553 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 [2019-01-07 18:29:04,553 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 [2019-01-07 18:29:04,554 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 [2019-01-07 18:29:04,555 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 [2019-01-07 18:29:04,556 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 [2019-01-07 18:29:04,557 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 [2019-01-07 18:29:04,558 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 [2019-01-07 18:29:04,559 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 [2019-01-07 18:29:04,560 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 [2019-01-07 18:29:04,561 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 [2019-01-07 18:29:04,562 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 [2019-01-07 18:29:04,563 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 [2019-01-07 18:29:04,564 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 [2019-01-07 18:29:04,565 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 [2019-01-07 18:29:04,566 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 [2019-01-07 18:29:04,566 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 [2019-01-07 18:29:04,567 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 [2019-01-07 18:29:04,568 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 [2019-01-07 18:29:04,569 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 [2019-01-07 18:29:04,570 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 [2019-01-07 18:29:04,571 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 [2019-01-07 18:29:04,572 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 [2019-01-07 18:29:04,573 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 [2019-01-07 18:29:04,574 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 [2019-01-07 18:29:04,575 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 [2019-01-07 18:29:04,576 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 [2019-01-07 18:29:04,577 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 [2019-01-07 18:29:04,577 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 [2019-01-07 18:29:04,578 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 [2019-01-07 18:29:04,579 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 [2019-01-07 18:29:04,580 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 [2019-01-07 18:29:04,581 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 [2019-01-07 18:29:04,582 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 [2019-01-07 18:29:04,583 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 [2019-01-07 18:29:04,584 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 [2019-01-07 18:29:04,585 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 [2019-01-07 18:29:04,586 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 [2019-01-07 18:29:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 630 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:29:04,613 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:29:04,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 38 [2019-01-07 18:29:04,614 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:29:04,614 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2019-01-07 18:29:04,614 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:29:04,614 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states. [2019-01-07 18:29:04,705 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:29:04,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-01-07 18:29:04,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-01-07 18:29:04,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2019-01-07 18:29:04,706 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 39 states. [2019-01-07 18:29:08,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:08,378 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-01-07 18:29:08,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2019-01-07 18:29:08,379 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2019-01-07 18:29:08,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:29:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-07 18:29:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-01-07 18:29:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-07 18:29:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-01-07 18:29:08,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 75 states and 80 transitions. [2019-01-07 18:29:08,450 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:29:08,451 INFO L225 Difference]: With dead ends: 79 [2019-01-07 18:29:08,451 INFO L226 Difference]: Without dead ends: 77 [2019-01-07 18:29:08,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 113 SyntacticMatches, 72 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2520 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2109, Invalid=3441, Unknown=0, NotChecked=0, Total=5550 [2019-01-07 18:29:08,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-01-07 18:29:10,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-01-07 18:29:10,634 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:29:10,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand 77 states. [2019-01-07 18:29:10,635 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2019-01-07 18:29:10,635 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2019-01-07 18:29:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:10,636 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2019-01-07 18:29:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-01-07 18:29:10,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:29:10,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:29:10,637 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2019-01-07 18:29:10,637 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2019-01-07 18:29:10,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:10,638 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2019-01-07 18:29:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-01-07 18:29:10,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:29:10,639 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:29:10,639 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:29:10,639 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:29:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-07 18:29:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2019-01-07 18:29:10,640 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 75 [2019-01-07 18:29:10,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:29:10,640 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2019-01-07 18:29:10,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-01-07 18:29:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2019-01-07 18:29:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-01-07 18:29:10,640 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:29:10,640 INFO L402 BasicCegarLoop]: trace histogram [36, 36, 1, 1, 1, 1] [2019-01-07 18:29:10,641 INFO L423 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:29:10,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:29:10,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2106305526, now seen corresponding path program 54 times [2019-01-07 18:29:10,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:29:10,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:29:10,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:29:10,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:29:10,642 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:29:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:29:14,196 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 [2019-01-07 18:29:14,197 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 [2019-01-07 18:29:14,198 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 [2019-01-07 18:29:14,199 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 [2019-01-07 18:29:14,200 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 [2019-01-07 18:29:14,201 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 [2019-01-07 18:29:14,202 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 [2019-01-07 18:29:14,203 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 [2019-01-07 18:29:14,204 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 [2019-01-07 18:29:14,205 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 [2019-01-07 18:29:14,206 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 [2019-01-07 18:29:14,207 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 [2019-01-07 18:29:14,208 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 [2019-01-07 18:29:14,209 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 [2019-01-07 18:29:14,210 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 [2019-01-07 18:29:14,210 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 [2019-01-07 18:29:14,211 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 [2019-01-07 18:29:14,212 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 [2019-01-07 18:29:14,213 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 [2019-01-07 18:29:14,214 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 [2019-01-07 18:29:14,215 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 [2019-01-07 18:29:14,216 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 [2019-01-07 18:29:14,217 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 [2019-01-07 18:29:14,218 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 [2019-01-07 18:29:14,219 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 [2019-01-07 18:29:14,220 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 [2019-01-07 18:29:14,221 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 [2019-01-07 18:29:14,222 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 [2019-01-07 18:29:14,223 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 [2019-01-07 18:29:14,224 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 [2019-01-07 18:29:14,225 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 [2019-01-07 18:29:14,226 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 [2019-01-07 18:29:14,227 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 [2019-01-07 18:29:14,228 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 [2019-01-07 18:29:14,229 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 [2019-01-07 18:29:14,230 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 [2019-01-07 18:29:14,231 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 [2019-01-07 18:29:14,232 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 [2019-01-07 18:29:14,233 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 [2019-01-07 18:29:14,234 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 [2019-01-07 18:29:14,235 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 [2019-01-07 18:29:14,236 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 [2019-01-07 18:29:14,237 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 [2019-01-07 18:29:14,238 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 [2019-01-07 18:29:14,239 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 [2019-01-07 18:29:14,240 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 [2019-01-07 18:29:14,241 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 [2019-01-07 18:29:14,242 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 [2019-01-07 18:29:14,242 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 [2019-01-07 18:29:14,243 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 [2019-01-07 18:29:14,244 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 [2019-01-07 18:29:14,245 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 [2019-01-07 18:29:14,246 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 [2019-01-07 18:29:14,247 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 [2019-01-07 18:29:14,248 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 [2019-01-07 18:29:14,249 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 [2019-01-07 18:29:14,250 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 [2019-01-07 18:29:14,251 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 [2019-01-07 18:29:14,252 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 [2019-01-07 18:29:14,253 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 [2019-01-07 18:29:14,254 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 [2019-01-07 18:29:14,255 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 [2019-01-07 18:29:14,256 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 [2019-01-07 18:29:14,257 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 [2019-01-07 18:29:14,258 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 [2019-01-07 18:29:14,259 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 [2019-01-07 18:29:14,260 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 [2019-01-07 18:29:14,261 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 [2019-01-07 18:29:14,262 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 [2019-01-07 18:29:14,263 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 [2019-01-07 18:29:14,264 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 [2019-01-07 18:29:14,265 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 [2019-01-07 18:29:14,265 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 [2019-01-07 18:29:14,267 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 [2019-01-07 18:29:14,268 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 [2019-01-07 18:29:14,268 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-01-07 18:29:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:29:14,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:29:14,276 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:29:14,276 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:29:14,276 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:29:14,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:29:14,276 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 [2019-01-07 18:29:14,285 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:29:14,285 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:29:14,332 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:29:14,333 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:29:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:29:14,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:29:18,164 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 [2019-01-07 18:29:18,165 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:29:18,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:29:18,172 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:29:18,179 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:29:18,179 WARN L385 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)) [2019-01-07 18:29:18,179 WARN L386 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))) [2019-01-07 18:29:18,295 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 [2019-01-07 18:29:18,295 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 [2019-01-07 18:29:18,295 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 [2019-01-07 18:29:18,296 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 [2019-01-07 18:29:18,296 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 [2019-01-07 18:29:18,296 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 [2019-01-07 18:29:18,296 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 [2019-01-07 18:29:18,296 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 [2019-01-07 18:29:18,296 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 [2019-01-07 18:29:18,296 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,297 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,298 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 [2019-01-07 18:29:18,299 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 [2019-01-07 18:29:18,299 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 [2019-01-07 18:29:18,299 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 [2019-01-07 18:29:18,299 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 [2019-01-07 18:29:18,299 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 [2019-01-07 18:29:18,299 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 [2019-01-07 18:29:18,299 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 [2019-01-07 18:29:18,300 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 [2019-01-07 18:29:18,300 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 [2019-01-07 18:29:18,301 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 [2019-01-07 18:29:18,302 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 [2019-01-07 18:29:18,302 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 [2019-01-07 18:29:18,303 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 [2019-01-07 18:29:18,304 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 [2019-01-07 18:29:18,305 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 [2019-01-07 18:29:18,306 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 [2019-01-07 18:29:18,307 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 [2019-01-07 18:29:18,308 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 [2019-01-07 18:29:18,309 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 [2019-01-07 18:29:18,310 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 [2019-01-07 18:29:18,311 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 [2019-01-07 18:29:18,312 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 [2019-01-07 18:29:18,313 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 [2019-01-07 18:29:18,314 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 [2019-01-07 18:29:18,315 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 [2019-01-07 18:29:18,316 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 [2019-01-07 18:29:18,317 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 [2019-01-07 18:29:18,318 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 [2019-01-07 18:29:18,319 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 [2019-01-07 18:29:18,320 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 [2019-01-07 18:29:18,321 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 [2019-01-07 18:29:18,322 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 [2019-01-07 18:29:18,323 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 [2019-01-07 18:29:18,324 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 [2019-01-07 18:29:18,325 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 [2019-01-07 18:29:18,326 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 [2019-01-07 18:29:18,327 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 [2019-01-07 18:29:18,328 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 [2019-01-07 18:29:18,329 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 [2019-01-07 18:29:18,330 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 [2019-01-07 18:29:18,331 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 [2019-01-07 18:29:18,332 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 [2019-01-07 18:29:18,333 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 [2019-01-07 18:29:18,334 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 [2019-01-07 18:29:18,335 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 [2019-01-07 18:29:18,336 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-01-07 18:29:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2019-01-07 18:29:18,343 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:29:18,486 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 [2019-01-07 18:29:18,488 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:29:18,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:29:18,498 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:29:23,011 INFO L273 TraceCheckUtils]: 75: Hoare triple {32639#false} assume !false; {32639#false} is VALID [2019-01-07 18:29:23,012 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 [2019-01-07 18:29:23,014 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 [2019-01-07 18:29:23,015 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 [2019-01-07 18:29:23,016 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 [2019-01-07 18:29:23,017 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 [2019-01-07 18:29:23,018 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 [2019-01-07 18:29:23,020 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 [2019-01-07 18:29:23,021 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 [2019-01-07 18:29:23,022 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 [2019-01-07 18:29:23,023 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 [2019-01-07 18:29:23,024 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 [2019-01-07 18:29:23,025 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 [2019-01-07 18:29:23,026 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 [2019-01-07 18:29:23,028 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 [2019-01-07 18:29:23,029 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 [2019-01-07 18:29:23,030 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 [2019-01-07 18:29:23,031 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 [2019-01-07 18:29:23,032 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 [2019-01-07 18:29:23,033 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 [2019-01-07 18:29:23,035 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 [2019-01-07 18:29:23,036 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 [2019-01-07 18:29:23,037 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 [2019-01-07 18:29:23,038 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 [2019-01-07 18:29:23,039 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 [2019-01-07 18:29:23,040 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 [2019-01-07 18:29:23,041 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 [2019-01-07 18:29:23,043 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 [2019-01-07 18:29:23,044 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 [2019-01-07 18:29:23,045 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 [2019-01-07 18:29:23,046 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 [2019-01-07 18:29:23,047 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 [2019-01-07 18:29:23,048 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 [2019-01-07 18:29:23,050 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 [2019-01-07 18:29:23,051 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 [2019-01-07 18:29:23,052 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 [2019-01-07 18:29:23,053 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 [2019-01-07 18:29:23,054 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 [2019-01-07 18:29:23,055 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 [2019-01-07 18:29:23,055 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 [2019-01-07 18:29:23,056 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 [2019-01-07 18:29:23,056 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 [2019-01-07 18:29:23,056 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 [2019-01-07 18:29:23,056 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 [2019-01-07 18:29:23,056 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,057 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,058 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,059 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 [2019-01-07 18:29:23,060 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 [2019-01-07 18:29:23,060 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 [2019-01-07 18:29:23,060 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 [2019-01-07 18:29:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2019-01-07 18:29:23,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:29:23,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 39, 39] total 150 [2019-01-07 18:29:23,087 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:29:23,087 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2019-01-07 18:29:23,087 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:29:23,087 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 113 states. [2019-01-07 18:29:23,208 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:29:23,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 113 states [2019-01-07 18:29:23,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2019-01-07 18:29:23,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2962, Invalid=19388, Unknown=0, NotChecked=0, Total=22350 [2019-01-07 18:29:23,210 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 113 states. [2019-01-07 18:29:52,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:52,798 INFO L93 Difference]: Finished difference Result 119 states and 123 transitions. [2019-01-07 18:29:52,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2019-01-07 18:29:52,798 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 76 [2019-01-07 18:29:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:29:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-01-07 18:29:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2019-01-07 18:29:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-01-07 18:29:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2019-01-07 18:29:52,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 116 states and 123 transitions. [2019-01-07 18:29:52,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:29:52,984 INFO L225 Difference]: With dead ends: 119 [2019-01-07 18:29:52,984 INFO L226 Difference]: Without dead ends: 79 [2019-01-07 18:29:52,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2924 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=4687, Invalid=31603, Unknown=0, NotChecked=0, Total=36290 [2019-01-07 18:29:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-01-07 18:29:55,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-01-07 18:29:55,392 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:29:55,392 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 79 states. [2019-01-07 18:29:55,392 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2019-01-07 18:29:55,392 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2019-01-07 18:29:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:55,393 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-01-07 18:29:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-01-07 18:29:55,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:29:55,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:29:55,394 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2019-01-07 18:29:55,394 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2019-01-07 18:29:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:29:55,395 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2019-01-07 18:29:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-01-07 18:29:55,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:29:55,395 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:29:55,395 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:29:55,396 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:29:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-07 18:29:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2019-01-07 18:29:55,396 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 76 [2019-01-07 18:29:55,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:29:55,397 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2019-01-07 18:29:55,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 113 states. [2019-01-07 18:29:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-01-07 18:29:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-01-07 18:29:55,397 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:29:55,397 INFO L402 BasicCegarLoop]: trace histogram [37, 37, 1, 1, 1, 1] [2019-01-07 18:29:55,397 INFO L423 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:29:55,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:29:55,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1075627403, now seen corresponding path program 55 times [2019-01-07 18:29:55,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:29:55,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:29:55,398 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:29:55,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:29:55,398 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:29:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:29:59,212 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 [2019-01-07 18:29:59,213 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 [2019-01-07 18:29:59,214 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 [2019-01-07 18:29:59,215 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 [2019-01-07 18:29:59,216 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 [2019-01-07 18:29:59,220 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 [2019-01-07 18:29:59,220 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 [2019-01-07 18:29:59,221 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 [2019-01-07 18:29:59,221 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 [2019-01-07 18:29:59,222 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 [2019-01-07 18:29:59,223 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 [2019-01-07 18:29:59,224 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 [2019-01-07 18:29:59,225 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 [2019-01-07 18:29:59,226 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 [2019-01-07 18:29:59,227 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 [2019-01-07 18:29:59,228 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 [2019-01-07 18:29:59,229 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 [2019-01-07 18:29:59,230 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 [2019-01-07 18:29:59,231 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 [2019-01-07 18:29:59,232 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 [2019-01-07 18:29:59,233 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 [2019-01-07 18:29:59,234 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 [2019-01-07 18:29:59,235 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 [2019-01-07 18:29:59,236 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 [2019-01-07 18:29:59,237 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 [2019-01-07 18:29:59,238 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 [2019-01-07 18:29:59,239 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 [2019-01-07 18:29:59,240 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 [2019-01-07 18:29:59,241 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 [2019-01-07 18:29:59,242 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 [2019-01-07 18:29:59,243 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 [2019-01-07 18:29:59,244 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 [2019-01-07 18:29:59,245 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 [2019-01-07 18:29:59,246 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 [2019-01-07 18:29:59,247 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 [2019-01-07 18:29:59,248 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 [2019-01-07 18:29:59,249 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 [2019-01-07 18:29:59,250 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 [2019-01-07 18:29:59,251 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 [2019-01-07 18:29:59,252 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 [2019-01-07 18:29:59,253 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 [2019-01-07 18:29:59,254 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 [2019-01-07 18:29:59,255 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 [2019-01-07 18:29:59,256 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 [2019-01-07 18:29:59,257 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 [2019-01-07 18:29:59,258 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 [2019-01-07 18:29:59,259 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 [2019-01-07 18:29:59,260 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 [2019-01-07 18:29:59,261 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 [2019-01-07 18:29:59,262 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 [2019-01-07 18:29:59,263 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 [2019-01-07 18:29:59,264 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 [2019-01-07 18:29:59,265 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 [2019-01-07 18:29:59,266 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 [2019-01-07 18:29:59,267 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 [2019-01-07 18:29:59,268 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 [2019-01-07 18:29:59,269 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 [2019-01-07 18:29:59,270 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 [2019-01-07 18:29:59,271 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 [2019-01-07 18:29:59,272 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 [2019-01-07 18:29:59,272 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 [2019-01-07 18:29:59,273 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 [2019-01-07 18:29:59,274 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 [2019-01-07 18:29:59,275 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 [2019-01-07 18:29:59,276 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 [2019-01-07 18:29:59,277 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 [2019-01-07 18:29:59,278 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 [2019-01-07 18:29:59,279 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 [2019-01-07 18:29:59,280 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 [2019-01-07 18:29:59,281 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 [2019-01-07 18:29:59,282 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 [2019-01-07 18:29:59,283 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 [2019-01-07 18:29:59,284 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 [2019-01-07 18:29:59,285 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 [2019-01-07 18:29:59,286 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 [2019-01-07 18:29:59,287 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 [2019-01-07 18:29:59,288 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 [2019-01-07 18:29:59,289 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-01-07 18:29:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:29:59,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:29:59,302 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:29:59,302 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:29:59,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:29:59,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:29:59,303 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-01-07 18:29:59,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:29:59,313 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-01-07 18:29:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:29:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:29:59,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:30:03,069 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 [2019-01-07 18:30:03,070 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:30:03,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:30:03,076 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-01-07 18:30:03,079 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:30:03,079 WARN L385 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)) [2019-01-07 18:30:03,079 WARN L386 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)) [2019-01-07 18:30:03,359 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 [2019-01-07 18:30:03,359 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 [2019-01-07 18:30:03,360 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 [2019-01-07 18:30:03,361 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 [2019-01-07 18:30:03,362 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 [2019-01-07 18:30:03,362 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 [2019-01-07 18:30:03,364 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 [2019-01-07 18:30:03,365 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 [2019-01-07 18:30:03,366 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 [2019-01-07 18:30:03,367 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 [2019-01-07 18:30:03,368 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 [2019-01-07 18:30:03,369 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 [2019-01-07 18:30:03,370 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 [2019-01-07 18:30:03,371 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 [2019-01-07 18:30:03,372 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 [2019-01-07 18:30:03,373 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 [2019-01-07 18:30:03,374 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 [2019-01-07 18:30:03,375 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 [2019-01-07 18:30:03,376 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 [2019-01-07 18:30:03,381 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 [2019-01-07 18:30:03,381 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 [2019-01-07 18:30:03,383 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 [2019-01-07 18:30:03,383 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 [2019-01-07 18:30:03,385 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 [2019-01-07 18:30:03,386 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 [2019-01-07 18:30:03,387 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 [2019-01-07 18:30:03,388 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 [2019-01-07 18:30:03,389 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 [2019-01-07 18:30:03,390 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 [2019-01-07 18:30:03,391 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 [2019-01-07 18:30:03,392 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 [2019-01-07 18:30:03,393 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 [2019-01-07 18:30:03,394 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 [2019-01-07 18:30:03,395 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 [2019-01-07 18:30:03,396 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 [2019-01-07 18:30:03,397 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 [2019-01-07 18:30:03,398 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 [2019-01-07 18:30:03,399 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 [2019-01-07 18:30:03,400 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 [2019-01-07 18:30:03,401 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 [2019-01-07 18:30:03,402 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 [2019-01-07 18:30:03,403 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 [2019-01-07 18:30:03,404 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 [2019-01-07 18:30:03,405 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 [2019-01-07 18:30:03,405 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 [2019-01-07 18:30:03,407 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 [2019-01-07 18:30:03,407 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 [2019-01-07 18:30:03,409 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 [2019-01-07 18:30:03,409 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 [2019-01-07 18:30:03,411 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 [2019-01-07 18:30:03,412 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 [2019-01-07 18:30:03,413 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 [2019-01-07 18:30:03,414 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 [2019-01-07 18:30:03,415 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 [2019-01-07 18:30:03,416 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 [2019-01-07 18:30:03,417 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 [2019-01-07 18:30:03,417 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 [2019-01-07 18:30:03,419 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 [2019-01-07 18:30:03,419 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 [2019-01-07 18:30:03,421 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 [2019-01-07 18:30:03,421 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 [2019-01-07 18:30:03,423 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 [2019-01-07 18:30:03,423 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 [2019-01-07 18:30:03,425 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 [2019-01-07 18:30:03,425 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 [2019-01-07 18:30:03,427 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 [2019-01-07 18:30:03,428 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 [2019-01-07 18:30:03,429 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 [2019-01-07 18:30:03,429 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 [2019-01-07 18:30:03,431 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 [2019-01-07 18:30:03,432 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 [2019-01-07 18:30:03,433 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 [2019-01-07 18:30:03,433 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 [2019-01-07 18:30:03,435 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 [2019-01-07 18:30:03,435 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 [2019-01-07 18:30:03,437 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 [2019-01-07 18:30:03,438 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 [2019-01-07 18:30:03,438 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-01-07 18:30:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:30:03,449 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:30:03,513 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 [2019-01-07 18:30:03,515 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:30:03,526 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:30:03,526 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2019-01-07 18:30:03,527 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:30:03,528 WARN L385 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))))) [2019-01-07 18:30:03,528 WARN L386 uantifierElimination]: ElimStorePlain result: ∀ []. (= (+ ULTIMATE.start_main_~j~6 1) ULTIMATE.start_main_~MAX~6) [2019-01-07 18:30:04,984 INFO L273 TraceCheckUtils]: 77: Hoare triple {33872#false} assume !false; {33872#false} is VALID [2019-01-07 18:30:04,985 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 [2019-01-07 18:30:04,986 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 [2019-01-07 18:30:04,987 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 [2019-01-07 18:30:04,988 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 [2019-01-07 18:30:04,989 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 [2019-01-07 18:30:04,990 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 [2019-01-07 18:30:04,991 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 [2019-01-07 18:30:04,992 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 [2019-01-07 18:30:04,993 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 [2019-01-07 18:30:04,994 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 [2019-01-07 18:30:04,995 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 [2019-01-07 18:30:04,996 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 [2019-01-07 18:30:04,997 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 [2019-01-07 18:30:04,998 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 [2019-01-07 18:30:04,999 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 [2019-01-07 18:30:05,000 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 [2019-01-07 18:30:05,001 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 [2019-01-07 18:30:05,002 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 [2019-01-07 18:30:05,003 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 [2019-01-07 18:30:05,004 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 [2019-01-07 18:30:05,005 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 [2019-01-07 18:30:05,006 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 [2019-01-07 18:30:05,007 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 [2019-01-07 18:30:05,008 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 [2019-01-07 18:30:05,009 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 [2019-01-07 18:30:05,010 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 [2019-01-07 18:30:05,011 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 [2019-01-07 18:30:05,012 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 [2019-01-07 18:30:05,013 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 [2019-01-07 18:30:05,014 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 [2019-01-07 18:30:05,015 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 [2019-01-07 18:30:05,016 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 [2019-01-07 18:30:05,017 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 [2019-01-07 18:30:05,018 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 [2019-01-07 18:30:05,019 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 [2019-01-07 18:30:05,020 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 [2019-01-07 18:30:05,021 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 [2019-01-07 18:30:05,022 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 [2019-01-07 18:30:05,023 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 [2019-01-07 18:30:05,024 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 [2019-01-07 18:30:05,025 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 [2019-01-07 18:30:05,026 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 [2019-01-07 18:30:05,027 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 [2019-01-07 18:30:05,028 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 [2019-01-07 18:30:05,029 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 [2019-01-07 18:30:05,030 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 [2019-01-07 18:30:05,031 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 [2019-01-07 18:30:05,032 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 [2019-01-07 18:30:05,033 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 [2019-01-07 18:30:05,034 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 [2019-01-07 18:30:05,035 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 [2019-01-07 18:30:05,036 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 [2019-01-07 18:30:05,037 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 [2019-01-07 18:30:05,038 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 [2019-01-07 18:30:05,039 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 [2019-01-07 18:30:05,040 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 [2019-01-07 18:30:05,041 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 [2019-01-07 18:30:05,042 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 [2019-01-07 18:30:05,043 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 [2019-01-07 18:30:05,044 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 [2019-01-07 18:30:05,045 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 [2019-01-07 18:30:05,046 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 [2019-01-07 18:30:05,047 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 [2019-01-07 18:30:05,048 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 [2019-01-07 18:30:05,049 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 [2019-01-07 18:30:05,050 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 [2019-01-07 18:30:05,051 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 [2019-01-07 18:30:05,052 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 [2019-01-07 18:30:05,053 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 [2019-01-07 18:30:05,054 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 [2019-01-07 18:30:05,055 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 [2019-01-07 18:30:05,056 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 [2019-01-07 18:30:05,057 INFO L273 TraceCheckUtils]: 4: Hoare triple {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33877#(and (<= ULTIMATE.start_main_~i~6 4) (<= 4 ULTIMATE.start_main_~i~6))} is VALID [2019-01-07 18:30:05,058 INFO L273 TraceCheckUtils]: 3: Hoare triple {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33876#(and (<= 3 ULTIMATE.start_main_~i~6) (<= ULTIMATE.start_main_~i~6 3))} is VALID [2019-01-07 18:30:05,059 INFO L273 TraceCheckUtils]: 2: Hoare triple {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33875#(and (<= ULTIMATE.start_main_~i~6 2) (<= 2 ULTIMATE.start_main_~i~6))} is VALID [2019-01-07 18:30:05,060 INFO L273 TraceCheckUtils]: 1: Hoare triple {33873#(and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6))} assume !!(main_~i~6 < main_~MAX~6);assume -128 <= main_#t~nondet2 && main_#t~nondet2 <= 127;main_~str1~6 := main_~str1~6[main_~i~6 := main_#t~nondet2];havoc main_#t~nondet2;main_#t~post1 := main_~i~6;main_~i~6 := main_#t~post1 + 1;havoc main_#t~post1; {33874#(and (<= ULTIMATE.start_main_~i~6 1) (<= 1 ULTIMATE.start_main_~i~6))} is VALID [2019-01-07 18:30:05,060 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 [2019-01-07 18:30:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:30:05,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:30:05,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 117 [2019-01-07 18:30:05,089 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:30:05,089 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2019-01-07 18:30:05,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:30:05,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 118 states. [2019-01-07 18:30:05,202 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:30:05,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 118 states [2019-01-07 18:30:05,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2019-01-07 18:30:05,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=13457, Unknown=0, NotChecked=0, Total=13806 [2019-01-07 18:30:05,203 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 118 states. [2019-01-07 18:30:34,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:30:34,235 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2019-01-07 18:30:34,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2019-01-07 18:30:34,235 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 78 [2019-01-07 18:30:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:30:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-01-07 18:30:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2019-01-07 18:30:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-01-07 18:30:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2019-01-07 18:30:34,238 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 81 states and 86 transitions. [2019-01-07 18:30:34,335 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:30:34,337 INFO L225 Difference]: With dead ends: 120 [2019-01-07 18:30:34,337 INFO L226 Difference]: Without dead ends: 80 [2019-01-07 18:30:34,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 89 SyntacticMatches, 26 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3995 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=738, Invalid=24068, Unknown=0, NotChecked=0, Total=24806 [2019-01-07 18:30:34,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-07 18:30:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-01-07 18:30:36,626 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:30:36,626 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2019-01-07 18:30:36,626 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2019-01-07 18:30:36,626 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2019-01-07 18:30:36,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:30:36,627 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2019-01-07 18:30:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-01-07 18:30:36,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:30:36,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:30:36,628 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2019-01-07 18:30:36,628 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2019-01-07 18:30:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:30:36,629 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2019-01-07 18:30:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-01-07 18:30:36,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:30:36,629 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:30:36,630 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:30:36,630 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:30:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-07 18:30:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2019-01-07 18:30:36,630 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 78 [2019-01-07 18:30:36,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:30:36,631 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2019-01-07 18:30:36,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 118 states. [2019-01-07 18:30:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2019-01-07 18:30:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-01-07 18:30:36,631 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:30:36,631 INFO L402 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1, 1] [2019-01-07 18:30:36,631 INFO L423 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:30:36,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:30:36,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1169619308, now seen corresponding path program 56 times [2019-01-07 18:30:36,632 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:30:36,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:30:36,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-07 18:30:36,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:30:36,632 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:30:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:30:38,106 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 [2019-01-07 18:30:38,108 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 [2019-01-07 18:30:38,109 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 [2019-01-07 18:30:38,110 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 [2019-01-07 18:30:38,110 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 [2019-01-07 18:30:38,111 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 [2019-01-07 18:30:38,112 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 [2019-01-07 18:30:38,113 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 [2019-01-07 18:30:38,114 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 [2019-01-07 18:30:38,115 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 [2019-01-07 18:30:38,116 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 [2019-01-07 18:30:38,117 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 [2019-01-07 18:30:38,117 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 [2019-01-07 18:30:38,118 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 [2019-01-07 18:30:38,119 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 [2019-01-07 18:30:38,120 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 [2019-01-07 18:30:38,121 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 [2019-01-07 18:30:38,122 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 [2019-01-07 18:30:38,123 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 [2019-01-07 18:30:38,124 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 [2019-01-07 18:30:38,125 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 [2019-01-07 18:30:38,125 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 [2019-01-07 18:30:38,126 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 [2019-01-07 18:30:38,127 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 [2019-01-07 18:30:38,128 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 [2019-01-07 18:30:38,129 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 [2019-01-07 18:30:38,130 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 [2019-01-07 18:30:38,131 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 [2019-01-07 18:30:38,132 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 [2019-01-07 18:30:38,133 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 [2019-01-07 18:30:38,134 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 [2019-01-07 18:30:38,135 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 [2019-01-07 18:30:38,136 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 [2019-01-07 18:30:38,136 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 [2019-01-07 18:30:38,137 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 [2019-01-07 18:30:38,138 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 [2019-01-07 18:30:38,139 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 [2019-01-07 18:30:38,140 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 [2019-01-07 18:30:38,141 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 [2019-01-07 18:30:38,142 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 [2019-01-07 18:30:38,143 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 [2019-01-07 18:30:38,144 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 [2019-01-07 18:30:38,145 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 [2019-01-07 18:30:38,146 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 [2019-01-07 18:30:38,147 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 [2019-01-07 18:30:38,148 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 [2019-01-07 18:30:38,149 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 [2019-01-07 18:30:38,150 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 [2019-01-07 18:30:38,150 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 [2019-01-07 18:30:38,151 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 [2019-01-07 18:30:38,152 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 [2019-01-07 18:30:38,153 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 [2019-01-07 18:30:38,154 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 [2019-01-07 18:30:38,155 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 [2019-01-07 18:30:38,156 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 [2019-01-07 18:30:38,157 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 [2019-01-07 18:30:38,157 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 [2019-01-07 18:30:38,158 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 [2019-01-07 18:30:38,159 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 [2019-01-07 18:30:38,160 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 [2019-01-07 18:30:38,161 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 [2019-01-07 18:30:38,162 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 [2019-01-07 18:30:38,163 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 [2019-01-07 18:30:38,164 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 [2019-01-07 18:30:38,165 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 [2019-01-07 18:30:38,165 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 [2019-01-07 18:30:38,166 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 [2019-01-07 18:30:38,167 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 [2019-01-07 18:30:38,168 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 [2019-01-07 18:30:38,169 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 [2019-01-07 18:30:38,170 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 [2019-01-07 18:30:38,171 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 [2019-01-07 18:30:38,172 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 [2019-01-07 18:30:38,172 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 [2019-01-07 18:30:38,173 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 [2019-01-07 18:30:38,174 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 [2019-01-07 18:30:38,175 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 [2019-01-07 18:30:38,176 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 [2019-01-07 18:30:38,176 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-01-07 18:30:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:30:38,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:30:38,187 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:30:38,187 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:30:38,187 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:30:38,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:30:38,188 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 [2019-01-07 18:30:38,197 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-07 18:30:38,197 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-01-07 18:30:38,461 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2019-01-07 18:30:38,462 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:30:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:30:38,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:30:39,894 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 [2019-01-07 18:30:39,895 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 [2019-01-07 18:30:39,896 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 [2019-01-07 18:30:39,897 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 [2019-01-07 18:30:39,898 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 [2019-01-07 18:30:39,899 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 [2019-01-07 18:30:39,900 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 [2019-01-07 18:30:39,901 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 [2019-01-07 18:30:39,902 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 [2019-01-07 18:30:39,903 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 [2019-01-07 18:30:39,904 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 [2019-01-07 18:30:39,905 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 [2019-01-07 18:30:39,906 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 [2019-01-07 18:30:39,907 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 [2019-01-07 18:30:39,908 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 [2019-01-07 18:30:39,909 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 [2019-01-07 18:30:39,910 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 [2019-01-07 18:30:39,911 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 [2019-01-07 18:30:39,912 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 [2019-01-07 18:30:39,913 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 [2019-01-07 18:30:39,914 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 [2019-01-07 18:30:39,914 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 [2019-01-07 18:30:39,915 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 [2019-01-07 18:30:39,916 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 [2019-01-07 18:30:39,917 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 [2019-01-07 18:30:39,918 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 [2019-01-07 18:30:39,919 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 [2019-01-07 18:30:39,920 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 [2019-01-07 18:30:39,921 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 [2019-01-07 18:30:39,922 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 [2019-01-07 18:30:39,923 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 [2019-01-07 18:30:39,924 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 [2019-01-07 18:30:39,925 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 [2019-01-07 18:30:39,926 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 [2019-01-07 18:30:39,927 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 [2019-01-07 18:30:39,927 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 [2019-01-07 18:30:39,928 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 [2019-01-07 18:30:39,929 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 [2019-01-07 18:30:39,930 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 [2019-01-07 18:30:39,931 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 [2019-01-07 18:30:39,932 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 [2019-01-07 18:30:39,933 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 [2019-01-07 18:30:39,934 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 [2019-01-07 18:30:39,935 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 [2019-01-07 18:30:39,936 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 [2019-01-07 18:30:39,937 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 [2019-01-07 18:30:39,938 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 [2019-01-07 18:30:39,939 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 [2019-01-07 18:30:39,940 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 [2019-01-07 18:30:39,941 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 [2019-01-07 18:30:39,942 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 [2019-01-07 18:30:39,943 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 [2019-01-07 18:30:39,944 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 [2019-01-07 18:30:39,944 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 [2019-01-07 18:30:39,945 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 [2019-01-07 18:30:39,946 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 [2019-01-07 18:30:39,947 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 [2019-01-07 18:30:39,948 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 [2019-01-07 18:30:39,949 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 [2019-01-07 18:30:39,950 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 [2019-01-07 18:30:39,951 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 [2019-01-07 18:30:39,952 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 [2019-01-07 18:30:39,953 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 [2019-01-07 18:30:39,954 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 [2019-01-07 18:30:39,955 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 [2019-01-07 18:30:39,956 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 [2019-01-07 18:30:39,957 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 [2019-01-07 18:30:39,958 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 [2019-01-07 18:30:39,958 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 [2019-01-07 18:30:39,959 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 [2019-01-07 18:30:39,960 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 [2019-01-07 18:30:39,961 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 [2019-01-07 18:30:39,962 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 [2019-01-07 18:30:39,963 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 [2019-01-07 18:30:39,964 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 [2019-01-07 18:30:39,965 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 [2019-01-07 18:30:39,966 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 [2019-01-07 18:30:39,967 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 [2019-01-07 18:30:39,967 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-01-07 18:30:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:30:39,972 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:30:41,546 INFO L273 TraceCheckUtils]: 78: Hoare triple {35089#false} assume !false; {35089#false} is VALID [2019-01-07 18:30:41,547 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 [2019-01-07 18:30:41,548 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 [2019-01-07 18:30:41,548 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 [2019-01-07 18:30:41,549 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 [2019-01-07 18:30:41,550 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 [2019-01-07 18:30:41,551 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 [2019-01-07 18:30:41,552 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 [2019-01-07 18:30:41,552 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 [2019-01-07 18:30:41,553 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 [2019-01-07 18:30:41,554 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 [2019-01-07 18:30:41,555 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 [2019-01-07 18:30:41,556 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 [2019-01-07 18:30:41,557 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 [2019-01-07 18:30:41,558 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 [2019-01-07 18:30:41,559 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 [2019-01-07 18:30:41,560 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 [2019-01-07 18:30:41,561 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 [2019-01-07 18:30:41,562 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 [2019-01-07 18:30:41,563 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 [2019-01-07 18:30:41,564 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 [2019-01-07 18:30:41,565 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 [2019-01-07 18:30:41,565 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 [2019-01-07 18:30:41,566 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 [2019-01-07 18:30:41,567 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 [2019-01-07 18:30:41,568 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 [2019-01-07 18:30:41,569 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 [2019-01-07 18:30:41,570 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 [2019-01-07 18:30:41,571 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 [2019-01-07 18:30:41,572 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 [2019-01-07 18:30:41,573 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 [2019-01-07 18:30:41,574 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 [2019-01-07 18:30:41,575 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 [2019-01-07 18:30:41,576 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 [2019-01-07 18:30:41,577 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 [2019-01-07 18:30:41,577 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 [2019-01-07 18:30:41,578 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 [2019-01-07 18:30:41,579 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 [2019-01-07 18:30:41,580 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 [2019-01-07 18:30:41,581 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 [2019-01-07 18:30:41,582 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 [2019-01-07 18:30:41,583 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 [2019-01-07 18:30:41,584 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 [2019-01-07 18:30:41,585 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 [2019-01-07 18:30:41,586 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 [2019-01-07 18:30:41,587 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 [2019-01-07 18:30:41,588 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 [2019-01-07 18:30:41,589 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 [2019-01-07 18:30:41,589 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 [2019-01-07 18:30:41,590 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 [2019-01-07 18:30:41,591 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 [2019-01-07 18:30:41,592 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 [2019-01-07 18:30:41,593 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 [2019-01-07 18:30:41,594 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 [2019-01-07 18:30:41,595 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 [2019-01-07 18:30:41,596 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 [2019-01-07 18:30:41,597 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 [2019-01-07 18:30:41,598 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 [2019-01-07 18:30:41,599 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 [2019-01-07 18:30:41,600 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 [2019-01-07 18:30:41,601 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 [2019-01-07 18:30:41,601 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 [2019-01-07 18:30:41,602 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 [2019-01-07 18:30:41,603 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 [2019-01-07 18:30:41,604 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 [2019-01-07 18:30:41,605 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 [2019-01-07 18:30:41,606 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 [2019-01-07 18:30:41,607 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 [2019-01-07 18:30:41,608 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 [2019-01-07 18:30:41,609 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 [2019-01-07 18:30:41,610 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 [2019-01-07 18:30:41,611 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 [2019-01-07 18:30:41,612 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 [2019-01-07 18:30:41,612 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 [2019-01-07 18:30:41,613 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 [2019-01-07 18:30:41,614 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 [2019-01-07 18:30:41,615 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 [2019-01-07 18:30:41,616 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 [2019-01-07 18:30:41,617 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 [2019-01-07 18:30:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 703 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:30:41,643 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:30:41,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 40 [2019-01-07 18:30:41,643 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:30:41,643 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2019-01-07 18:30:41,643 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:30:41,643 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states. [2019-01-07 18:30:41,748 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:30:41,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-01-07 18:30:41,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-01-07 18:30:41,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2019-01-07 18:30:41,749 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 41 states. [2019-01-07 18:30:45,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:30:45,773 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-01-07 18:30:45,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2019-01-07 18:30:45,774 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 79 [2019-01-07 18:30:45,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:30:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-07 18:30:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2019-01-07 18:30:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-07 18:30:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2019-01-07 18:30:45,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 84 transitions. [2019-01-07 18:30:45,864 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:30:45,865 INFO L225 Difference]: With dead ends: 83 [2019-01-07 18:30:45,865 INFO L226 Difference]: Without dead ends: 81 [2019-01-07 18:30:45,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 119 SyntacticMatches, 76 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2340, Invalid=3822, Unknown=0, NotChecked=0, Total=6162 [2019-01-07 18:30:45,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-07 18:30:48,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-01-07 18:30:48,368 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:30:48,368 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2019-01-07 18:30:48,368 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2019-01-07 18:30:48,369 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2019-01-07 18:30:48,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:30:48,370 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2019-01-07 18:30:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-01-07 18:30:48,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:30:48,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:30:48,371 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2019-01-07 18:30:48,371 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2019-01-07 18:30:48,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:30:48,372 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2019-01-07 18:30:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-01-07 18:30:48,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:30:48,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:30:48,373 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:30:48,373 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:30:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-01-07 18:30:48,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2019-01-07 18:30:48,374 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 79 [2019-01-07 18:30:48,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:30:48,374 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2019-01-07 18:30:48,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-01-07 18:30:48,374 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2019-01-07 18:30:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-01-07 18:30:48,375 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:30:48,375 INFO L402 BasicCegarLoop]: trace histogram [38, 38, 1, 1, 1, 1] [2019-01-07 18:30:48,375 INFO L423 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:30:48,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:30:48,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1898461994, now seen corresponding path program 57 times [2019-01-07 18:30:48,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:30:48,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:30:48,376 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:30:48,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:30:48,376 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:30:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:30:52,508 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 [2019-01-07 18:30:52,510 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 [2019-01-07 18:30:52,510 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 [2019-01-07 18:30:52,511 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 [2019-01-07 18:30:52,512 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 [2019-01-07 18:30:52,513 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 [2019-01-07 18:30:52,514 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 [2019-01-07 18:30:52,515 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 [2019-01-07 18:30:52,516 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 [2019-01-07 18:30:52,517 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 [2019-01-07 18:30:52,518 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 [2019-01-07 18:30:52,519 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 [2019-01-07 18:30:52,520 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 [2019-01-07 18:30:52,521 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 [2019-01-07 18:30:52,522 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 [2019-01-07 18:30:52,523 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 [2019-01-07 18:30:52,524 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 [2019-01-07 18:30:52,525 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 [2019-01-07 18:30:52,526 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 [2019-01-07 18:30:52,527 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 [2019-01-07 18:30:52,528 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 [2019-01-07 18:30:52,529 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 [2019-01-07 18:30:52,530 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 [2019-01-07 18:30:52,531 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 [2019-01-07 18:30:52,532 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 [2019-01-07 18:30:52,533 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 [2019-01-07 18:30:52,534 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 [2019-01-07 18:30:52,535 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 [2019-01-07 18:30:52,536 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 [2019-01-07 18:30:52,537 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 [2019-01-07 18:30:52,538 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 [2019-01-07 18:30:52,539 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 [2019-01-07 18:30:52,540 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 [2019-01-07 18:30:52,541 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 [2019-01-07 18:30:52,542 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 [2019-01-07 18:30:52,543 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 [2019-01-07 18:30:52,544 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 [2019-01-07 18:30:52,545 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 [2019-01-07 18:30:52,546 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 [2019-01-07 18:30:52,547 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 [2019-01-07 18:30:52,548 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 [2019-01-07 18:30:52,549 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 [2019-01-07 18:30:52,550 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 [2019-01-07 18:30:52,551 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 [2019-01-07 18:30:52,552 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 [2019-01-07 18:30:52,553 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 [2019-01-07 18:30:52,554 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 [2019-01-07 18:30:52,555 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 [2019-01-07 18:30:52,556 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 [2019-01-07 18:30:52,557 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 [2019-01-07 18:30:52,557 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 [2019-01-07 18:30:52,558 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 [2019-01-07 18:30:52,559 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 [2019-01-07 18:30:52,560 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 [2019-01-07 18:30:52,561 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 [2019-01-07 18:30:52,562 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 [2019-01-07 18:30:52,563 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 [2019-01-07 18:30:52,564 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 [2019-01-07 18:30:52,565 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 [2019-01-07 18:30:52,566 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 [2019-01-07 18:30:52,567 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 [2019-01-07 18:30:52,568 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 [2019-01-07 18:30:52,569 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 [2019-01-07 18:30:52,570 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 [2019-01-07 18:30:52,571 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 [2019-01-07 18:30:52,572 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 [2019-01-07 18:30:52,573 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 [2019-01-07 18:30:52,574 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 [2019-01-07 18:30:52,575 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 [2019-01-07 18:30:52,576 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 [2019-01-07 18:30:52,577 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 [2019-01-07 18:30:52,578 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 [2019-01-07 18:30:52,579 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 [2019-01-07 18:30:52,580 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 [2019-01-07 18:30:52,581 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 [2019-01-07 18:30:52,582 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 [2019-01-07 18:30:52,583 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 [2019-01-07 18:30:52,584 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 [2019-01-07 18:30:52,585 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 [2019-01-07 18:30:52,585 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-01-07 18:30:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-07 18:30:52,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:30:52,594 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-07 18:30:52,594 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-01-07 18:30:52,594 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-01-07 18:30:52,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-07 18:30:52,594 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 [2019-01-07 18:30:52,603 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-07 18:30:52,603 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2019-01-07 18:30:52,652 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-07 18:30:52,652 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-07 18:30:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-07 18:30:52,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-07 18:30:56,794 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 [2019-01-07 18:30:56,795 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:30:56,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:30:56,803 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2019-01-07 18:30:56,806 WARN L384 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2019-01-07 18:30:56,806 WARN L385 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)) [2019-01-07 18:30:56,806 WARN L386 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))) [2019-01-07 18:30:56,934 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 [2019-01-07 18:30:56,934 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 [2019-01-07 18:30:56,934 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 [2019-01-07 18:30:56,935 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 [2019-01-07 18:30:56,935 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 [2019-01-07 18:30:56,935 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 [2019-01-07 18:30:56,935 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 [2019-01-07 18:30:56,935 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 [2019-01-07 18:30:56,935 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 [2019-01-07 18:30:56,936 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 [2019-01-07 18:30:56,936 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 [2019-01-07 18:30:56,936 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 [2019-01-07 18:30:56,936 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 [2019-01-07 18:30:56,936 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,937 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,938 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 [2019-01-07 18:30:56,939 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 [2019-01-07 18:30:56,939 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 [2019-01-07 18:30:56,939 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 [2019-01-07 18:30:56,939 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 [2019-01-07 18:30:56,939 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 [2019-01-07 18:30:56,940 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 [2019-01-07 18:30:56,940 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 [2019-01-07 18:30:56,941 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 [2019-01-07 18:30:56,941 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 [2019-01-07 18:30:56,942 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 [2019-01-07 18:30:56,944 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 [2019-01-07 18:30:56,945 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 [2019-01-07 18:30:56,946 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 [2019-01-07 18:30:56,947 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 [2019-01-07 18:30:56,948 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 [2019-01-07 18:30:56,948 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 [2019-01-07 18:30:56,949 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 [2019-01-07 18:30:56,951 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 [2019-01-07 18:30:56,952 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 [2019-01-07 18:30:56,953 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 [2019-01-07 18:30:56,954 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 [2019-01-07 18:30:56,955 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 [2019-01-07 18:30:56,956 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 [2019-01-07 18:30:56,957 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 [2019-01-07 18:30:56,958 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 [2019-01-07 18:30:56,959 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 [2019-01-07 18:30:56,960 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 [2019-01-07 18:30:56,961 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 [2019-01-07 18:30:56,962 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 [2019-01-07 18:30:56,963 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 [2019-01-07 18:30:56,964 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 [2019-01-07 18:30:56,965 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 [2019-01-07 18:30:56,966 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 [2019-01-07 18:30:56,967 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 [2019-01-07 18:30:56,968 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 [2019-01-07 18:30:56,969 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 [2019-01-07 18:30:56,970 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 [2019-01-07 18:30:56,971 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 [2019-01-07 18:30:56,972 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 [2019-01-07 18:30:56,973 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 [2019-01-07 18:30:56,974 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 [2019-01-07 18:30:56,975 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 [2019-01-07 18:30:56,976 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 [2019-01-07 18:30:56,977 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 [2019-01-07 18:30:56,979 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 [2019-01-07 18:30:56,979 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-01-07 18:30:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2019-01-07 18:30:56,987 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-07 18:30:57,140 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 [2019-01-07 18:30:57,143 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-07 18:30:57,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-07 18:30:57,154 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:12 [2019-01-07 18:31:02,093 INFO L273 TraceCheckUtils]: 79: Hoare triple {36161#false} assume !false; {36161#false} is VALID [2019-01-07 18:31:02,095 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 [2019-01-07 18:31:02,096 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 [2019-01-07 18:31:02,097 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 [2019-01-07 18:31:02,099 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 [2019-01-07 18:31:02,100 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 [2019-01-07 18:31:02,101 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 [2019-01-07 18:31:02,102 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 [2019-01-07 18:31:02,103 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 [2019-01-07 18:31:02,104 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 [2019-01-07 18:31:02,105 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 [2019-01-07 18:31:02,106 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 [2019-01-07 18:31:02,107 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 [2019-01-07 18:31:02,109 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 [2019-01-07 18:31:02,110 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 [2019-01-07 18:31:02,111 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 [2019-01-07 18:31:02,112 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 [2019-01-07 18:31:02,113 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 [2019-01-07 18:31:02,114 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 [2019-01-07 18:31:02,115 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 [2019-01-07 18:31:02,116 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 [2019-01-07 18:31:02,118 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 [2019-01-07 18:31:02,119 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 [2019-01-07 18:31:02,120 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 [2019-01-07 18:31:02,121 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 [2019-01-07 18:31:02,122 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 [2019-01-07 18:31:02,123 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 [2019-01-07 18:31:02,124 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 [2019-01-07 18:31:02,125 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 [2019-01-07 18:31:02,126 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 [2019-01-07 18:31:02,127 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 [2019-01-07 18:31:02,128 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 [2019-01-07 18:31:02,129 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 [2019-01-07 18:31:02,130 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 [2019-01-07 18:31:02,131 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 [2019-01-07 18:31:02,133 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 [2019-01-07 18:31:02,134 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 [2019-01-07 18:31:02,135 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 [2019-01-07 18:31:02,136 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 [2019-01-07 18:31:02,137 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 [2019-01-07 18:31:02,138 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 [2019-01-07 18:31:02,138 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 [2019-01-07 18:31:02,138 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 [2019-01-07 18:31:02,139 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 [2019-01-07 18:31:02,139 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 [2019-01-07 18:31:02,139 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 [2019-01-07 18:31:02,139 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 [2019-01-07 18:31:02,139 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 [2019-01-07 18:31:02,140 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 [2019-01-07 18:31:02,140 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 [2019-01-07 18:31:02,140 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 [2019-01-07 18:31:02,140 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 [2019-01-07 18:31:02,140 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 [2019-01-07 18:31:02,140 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,141 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,142 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 [2019-01-07 18:31:02,143 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 [2019-01-07 18:31:02,143 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 [2019-01-07 18:31:02,143 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 [2019-01-07 18:31:02,143 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 [2019-01-07 18:31:02,143 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 [2019-01-07 18:31:02,143 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 [2019-01-07 18:31:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2019-01-07 18:31:02,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-01-07 18:31:02,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 41, 41] total 158 [2019-01-07 18:31:02,172 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-01-07 18:31:02,172 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2019-01-07 18:31:02,172 INFO L84 Accepts]: Finished accepts. word is accepted. [2019-01-07 18:31:02,172 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 119 states. [2019-01-07 18:31:02,286 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:31:02,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 119 states [2019-01-07 18:31:02,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2019-01-07 18:31:02,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3278, Invalid=21528, Unknown=0, NotChecked=0, Total=24806 [2019-01-07 18:31:02,288 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 119 states. [2019-01-07 18:31:35,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:31:35,063 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2019-01-07 18:31:35,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2019-01-07 18:31:35,063 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 80 [2019-01-07 18:31:35,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-07 18:31:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-01-07 18:31:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2019-01-07 18:31:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-01-07 18:31:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2019-01-07 18:31:35,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 122 states and 129 transitions. [2019-01-07 18:31:35,212 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2019-01-07 18:31:35,213 INFO L225 Difference]: With dead ends: 125 [2019-01-07 18:31:35,213 INFO L226 Difference]: Without dead ends: 83 [2019-01-07 18:31:35,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=5173, Invalid=35027, Unknown=0, NotChecked=0, Total=40200 [2019-01-07 18:31:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-01-07 18:31:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-01-07 18:31:37,974 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2019-01-07 18:31:37,974 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2019-01-07 18:31:37,975 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2019-01-07 18:31:37,975 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2019-01-07 18:31:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:31:37,976 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-01-07 18:31:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-01-07 18:31:37,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:31:37,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:31:37,977 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2019-01-07 18:31:37,977 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2019-01-07 18:31:37,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-07 18:31:37,979 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-01-07 18:31:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-01-07 18:31:37,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-07 18:31:37,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2019-01-07 18:31:37,979 INFO L88 GeneralOperation]: Finished isEquivalent. [2019-01-07 18:31:37,980 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2019-01-07 18:31:37,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-07 18:31:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2019-01-07 18:31:37,981 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 80 [2019-01-07 18:31:37,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-07 18:31:37,981 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2019-01-07 18:31:37,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 119 states. [2019-01-07 18:31:37,981 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2019-01-07 18:31:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-01-07 18:31:37,981 INFO L394 BasicCegarLoop]: Found error trace [2019-01-07 18:31:37,982 INFO L402 BasicCegarLoop]: trace histogram [39, 39, 1, 1, 1, 1] [2019-01-07 18:31:37,982 INFO L423 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-07 18:31:37,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-07 18:31:37,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1341848277, now seen corresponding path program 58 times [2019-01-07 18:31:37,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-07 18:31:37,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:31:37,983 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-07 18:31:37,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-07 18:31:37,983 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-07 18:31:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat