java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 22:15:22,740 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 22:15:22,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 22:15:22,763 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 22:15:22,764 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 22:15:22,765 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 22:15:22,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 22:15:22,771 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 22:15:22,773 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 22:15:22,773 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 22:15:22,776 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 22:15:22,776 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 22:15:22,777 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 22:15:22,778 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 22:15:22,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 22:15:22,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 22:15:22,784 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 22:15:22,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 22:15:22,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 22:15:22,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 22:15:22,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 22:15:22,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 22:15:22,806 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-18 22:15:22,824 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 22:15:22,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 22:15:22,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 22:15:22,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 22:15:22,840 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 22:15:22,841 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 22:15:22,841 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 22:15:22,841 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 22:15:22,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 22:15:22,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 22:15:22,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 22:15:22,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 22:15:22,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 22:15:22,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 22:15:22,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 22:15:22,843 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 22:15:22,843 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 22:15:22,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 22:15:22,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 22:15:22,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 22:15:22,844 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 22:15:22,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 22:15:22,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 22:15:22,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 22:15:22,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 22:15:22,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 22:15:22,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 22:15:22,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 22:15:22,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 22:15:22,845 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 22:15:22,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 22:15:22,846 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 22:15:22,846 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 22:15:22,846 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 22:15:22,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 22:15:22,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 22:15:22,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 22:15:22,925 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 22:15:22,925 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 22:15:22,926 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-11-18 22:15:22,988 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1b62fbd/8d79e51d62d84d2dbb8de5678b95de92/FLAG43de8cdfd [2018-11-18 22:15:23,406 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 22:15:23,407 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string_true-unreach-call_true-termination.i [2018-11-18 22:15:23,414 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1b62fbd/8d79e51d62d84d2dbb8de5678b95de92/FLAG43de8cdfd [2018-11-18 22:15:23,777 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1b62fbd/8d79e51d62d84d2dbb8de5678b95de92 [2018-11-18 22:15:23,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 22:15:23,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 22:15:23,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 22:15:23,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 22:15:23,793 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 22:15:23,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:15:23" (1/1) ... [2018-11-18 22:15:23,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4096a9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:23, skipping insertion in model container [2018-11-18 22:15:23,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:15:23" (1/1) ... [2018-11-18 22:15:23,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 22:15:23,828 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 22:15:24,023 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:15:24,028 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 22:15:24,056 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:15:24,085 INFO L195 MainTranslator]: Completed translation [2018-11-18 22:15:24,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24 WrapperNode [2018-11-18 22:15:24,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 22:15:24,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 22:15:24,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 22:15:24,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 22:15:24,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... [2018-11-18 22:15:24,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... [2018-11-18 22:15:24,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... [2018-11-18 22:15:24,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... [2018-11-18 22:15:24,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... [2018-11-18 22:15:24,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... [2018-11-18 22:15:24,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... [2018-11-18 22:15:24,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 22:15:24,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 22:15:24,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 22:15:24,141 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 22:15:24,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 22:15:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 22:15:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 22:15:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 22:15:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 22:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 22:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 22:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 22:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 22:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 22:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 22:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 22:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 22:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 22:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 22:15:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 22:15:24,865 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 22:15:24,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:15:24 BoogieIcfgContainer [2018-11-18 22:15:24,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 22:15:24,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 22:15:24,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 22:15:24,871 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 22:15:24,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:15:23" (1/3) ... [2018-11-18 22:15:24,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0e880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:15:24, skipping insertion in model container [2018-11-18 22:15:24,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:15:24" (2/3) ... [2018-11-18 22:15:24,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0e880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:15:24, skipping insertion in model container [2018-11-18 22:15:24,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:15:24" (3/3) ... [2018-11-18 22:15:24,875 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string_true-unreach-call_true-termination.i [2018-11-18 22:15:24,884 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 22:15:24,891 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 22:15:24,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 22:15:24,938 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 22:15:24,939 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 22:15:24,939 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 22:15:24,939 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 22:15:24,940 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 22:15:24,940 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 22:15:24,940 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 22:15:24,940 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 22:15:24,940 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 22:15:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-18 22:15:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 22:15:24,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:24,964 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:24,967 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:24,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:24,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1989464865, now seen corresponding path program 1 times [2018-11-18 22:15:24,978 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:24,978 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:25,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:15:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:25,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:25,235 INFO L256 TraceCheckUtils]: 0: Hoare triple {33#true} call ULTIMATE.init(); {33#true} is VALID [2018-11-18 22:15:25,238 INFO L273 TraceCheckUtils]: 1: Hoare triple {33#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {33#true} is VALID [2018-11-18 22:15:25,239 INFO L273 TraceCheckUtils]: 2: Hoare triple {33#true} assume true; {33#true} is VALID [2018-11-18 22:15:25,239 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {33#true} {33#true} #66#return; {33#true} is VALID [2018-11-18 22:15:25,240 INFO L256 TraceCheckUtils]: 4: Hoare triple {33#true} call #t~ret9 := main(); {33#true} is VALID [2018-11-18 22:15:25,240 INFO L273 TraceCheckUtils]: 5: Hoare triple {33#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {33#true} is VALID [2018-11-18 22:15:25,242 INFO L273 TraceCheckUtils]: 6: Hoare triple {33#true} assume !true; {34#false} is VALID [2018-11-18 22:15:25,242 INFO L273 TraceCheckUtils]: 7: Hoare triple {34#false} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {34#false} is VALID [2018-11-18 22:15:25,242 INFO L273 TraceCheckUtils]: 8: Hoare triple {34#false} assume !true; {34#false} is VALID [2018-11-18 22:15:25,243 INFO L273 TraceCheckUtils]: 9: Hoare triple {34#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {34#false} is VALID [2018-11-18 22:15:25,243 INFO L273 TraceCheckUtils]: 10: Hoare triple {34#false} assume true; {34#false} is VALID [2018-11-18 22:15:25,243 INFO L273 TraceCheckUtils]: 11: Hoare triple {34#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {34#false} is VALID [2018-11-18 22:15:25,243 INFO L256 TraceCheckUtils]: 12: Hoare triple {34#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {34#false} is VALID [2018-11-18 22:15:25,244 INFO L273 TraceCheckUtils]: 13: Hoare triple {34#false} ~cond := #in~cond; {34#false} is VALID [2018-11-18 22:15:25,244 INFO L273 TraceCheckUtils]: 14: Hoare triple {34#false} assume 0bv32 == ~cond; {34#false} is VALID [2018-11-18 22:15:25,244 INFO L273 TraceCheckUtils]: 15: Hoare triple {34#false} assume !false; {34#false} is VALID [2018-11-18 22:15:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:15:25,248 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:15:25,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:15:25,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 22:15:25,260 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-18 22:15:25,263 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:15:25,267 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-18 22:15:25,361 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:25,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 22:15:25,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 22:15:25,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 22:15:25,374 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-18 22:15:25,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:25,609 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2018-11-18 22:15:25,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 22:15:25,609 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-18 22:15:25,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:15:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 22:15:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 62 transitions. [2018-11-18 22:15:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 22:15:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 62 transitions. [2018-11-18 22:15:25,627 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 62 transitions. [2018-11-18 22:15:25,920 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:25,933 INFO L225 Difference]: With dead ends: 51 [2018-11-18 22:15:25,933 INFO L226 Difference]: Without dead ends: 25 [2018-11-18 22:15:25,937 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 22:15:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-18 22:15:25,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-18 22:15:25,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:15:25,985 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2018-11-18 22:15:25,986 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2018-11-18 22:15:25,986 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2018-11-18 22:15:25,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:25,991 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-11-18 22:15:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-11-18 22:15:25,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:25,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:25,992 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2018-11-18 22:15:25,992 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2018-11-18 22:15:25,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:25,997 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-11-18 22:15:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-11-18 22:15:25,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:25,998 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:25,998 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:15:25,998 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:15:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-18 22:15:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-11-18 22:15:26,003 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 16 [2018-11-18 22:15:26,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:15:26,003 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-11-18 22:15:26,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 22:15:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-11-18 22:15:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 22:15:26,005 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:26,005 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:26,005 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:26,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:26,006 INFO L82 PathProgramCache]: Analyzing trace with hash 971272842, now seen corresponding path program 1 times [2018-11-18 22:15:26,006 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:26,007 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:26,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:15:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:26,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:26,158 INFO L256 TraceCheckUtils]: 0: Hoare triple {230#true} call ULTIMATE.init(); {230#true} is VALID [2018-11-18 22:15:26,158 INFO L273 TraceCheckUtils]: 1: Hoare triple {230#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {230#true} is VALID [2018-11-18 22:15:26,159 INFO L273 TraceCheckUtils]: 2: Hoare triple {230#true} assume true; {230#true} is VALID [2018-11-18 22:15:26,159 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {230#true} {230#true} #66#return; {230#true} is VALID [2018-11-18 22:15:26,160 INFO L256 TraceCheckUtils]: 4: Hoare triple {230#true} call #t~ret9 := main(); {230#true} is VALID [2018-11-18 22:15:26,162 INFO L273 TraceCheckUtils]: 5: Hoare triple {230#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {250#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:26,163 INFO L273 TraceCheckUtils]: 6: Hoare triple {250#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume true; {250#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:26,168 INFO L273 TraceCheckUtils]: 7: Hoare triple {250#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume !~bvult32(~i~0, ~max~0); {231#false} is VALID [2018-11-18 22:15:26,168 INFO L273 TraceCheckUtils]: 8: Hoare triple {231#false} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {231#false} is VALID [2018-11-18 22:15:26,168 INFO L273 TraceCheckUtils]: 9: Hoare triple {231#false} assume true; {231#false} is VALID [2018-11-18 22:15:26,169 INFO L273 TraceCheckUtils]: 10: Hoare triple {231#false} assume !~bvsge32(~i~0, 0bv32); {231#false} is VALID [2018-11-18 22:15:26,169 INFO L273 TraceCheckUtils]: 11: Hoare triple {231#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {231#false} is VALID [2018-11-18 22:15:26,169 INFO L273 TraceCheckUtils]: 12: Hoare triple {231#false} assume true; {231#false} is VALID [2018-11-18 22:15:26,169 INFO L273 TraceCheckUtils]: 13: Hoare triple {231#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {231#false} is VALID [2018-11-18 22:15:26,170 INFO L256 TraceCheckUtils]: 14: Hoare triple {231#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {231#false} is VALID [2018-11-18 22:15:26,170 INFO L273 TraceCheckUtils]: 15: Hoare triple {231#false} ~cond := #in~cond; {231#false} is VALID [2018-11-18 22:15:26,170 INFO L273 TraceCheckUtils]: 16: Hoare triple {231#false} assume 0bv32 == ~cond; {231#false} is VALID [2018-11-18 22:15:26,171 INFO L273 TraceCheckUtils]: 17: Hoare triple {231#false} assume !false; {231#false} is VALID [2018-11-18 22:15:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:15:26,174 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-18 22:15:26,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:15:26,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 22:15:26,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-11-18 22:15:26,182 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:15:26,183 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 22:15:26,233 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:26,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 22:15:26,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 22:15:26,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:15:26,235 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 3 states. [2018-11-18 22:15:26,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:26,835 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2018-11-18 22:15:26,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 22:15:26,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-11-18 22:15:26,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:15:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:15:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2018-11-18 22:15:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:15:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2018-11-18 22:15:26,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 48 transitions. [2018-11-18 22:15:26,977 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:26,979 INFO L225 Difference]: With dead ends: 44 [2018-11-18 22:15:26,979 INFO L226 Difference]: Without dead ends: 28 [2018-11-18 22:15:26,980 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:15:26,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-18 22:15:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-11-18 22:15:27,004 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:15:27,004 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 27 states. [2018-11-18 22:15:27,005 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 27 states. [2018-11-18 22:15:27,005 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 27 states. [2018-11-18 22:15:27,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:27,008 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-18 22:15:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-18 22:15:27,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:27,009 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:27,009 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 28 states. [2018-11-18 22:15:27,009 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 28 states. [2018-11-18 22:15:27,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:27,012 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-18 22:15:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-18 22:15:27,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:27,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:27,013 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:15:27,013 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:15:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 22:15:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-11-18 22:15:27,016 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 18 [2018-11-18 22:15:27,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:15:27,016 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-11-18 22:15:27,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 22:15:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-11-18 22:15:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 22:15:27,017 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:27,017 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:27,018 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:27,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:27,018 INFO L82 PathProgramCache]: Analyzing trace with hash -714418193, now seen corresponding path program 1 times [2018-11-18 22:15:27,019 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:27,019 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:27,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:15:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:27,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:27,244 INFO L256 TraceCheckUtils]: 0: Hoare triple {437#true} call ULTIMATE.init(); {437#true} is VALID [2018-11-18 22:15:27,244 INFO L273 TraceCheckUtils]: 1: Hoare triple {437#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {437#true} is VALID [2018-11-18 22:15:27,245 INFO L273 TraceCheckUtils]: 2: Hoare triple {437#true} assume true; {437#true} is VALID [2018-11-18 22:15:27,245 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {437#true} {437#true} #66#return; {437#true} is VALID [2018-11-18 22:15:27,245 INFO L256 TraceCheckUtils]: 4: Hoare triple {437#true} call #t~ret9 := main(); {437#true} is VALID [2018-11-18 22:15:27,247 INFO L273 TraceCheckUtils]: 5: Hoare triple {437#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {457#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:27,247 INFO L273 TraceCheckUtils]: 6: Hoare triple {457#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume true; {457#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:27,249 INFO L273 TraceCheckUtils]: 7: Hoare triple {457#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {457#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:27,250 INFO L273 TraceCheckUtils]: 8: Hoare triple {457#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {467#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:27,255 INFO L273 TraceCheckUtils]: 9: Hoare triple {467#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume true; {467#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:27,255 INFO L273 TraceCheckUtils]: 10: Hoare triple {467#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !~bvult32(~i~0, ~max~0); {438#false} is VALID [2018-11-18 22:15:27,256 INFO L273 TraceCheckUtils]: 11: Hoare triple {438#false} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {438#false} is VALID [2018-11-18 22:15:27,256 INFO L273 TraceCheckUtils]: 12: Hoare triple {438#false} assume true; {438#false} is VALID [2018-11-18 22:15:27,256 INFO L273 TraceCheckUtils]: 13: Hoare triple {438#false} assume !~bvsge32(~i~0, 0bv32); {438#false} is VALID [2018-11-18 22:15:27,257 INFO L273 TraceCheckUtils]: 14: Hoare triple {438#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {438#false} is VALID [2018-11-18 22:15:27,257 INFO L273 TraceCheckUtils]: 15: Hoare triple {438#false} assume true; {438#false} is VALID [2018-11-18 22:15:27,257 INFO L273 TraceCheckUtils]: 16: Hoare triple {438#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {438#false} is VALID [2018-11-18 22:15:27,258 INFO L256 TraceCheckUtils]: 17: Hoare triple {438#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {438#false} is VALID [2018-11-18 22:15:27,258 INFO L273 TraceCheckUtils]: 18: Hoare triple {438#false} ~cond := #in~cond; {438#false} is VALID [2018-11-18 22:15:27,258 INFO L273 TraceCheckUtils]: 19: Hoare triple {438#false} assume 0bv32 == ~cond; {438#false} is VALID [2018-11-18 22:15:27,259 INFO L273 TraceCheckUtils]: 20: Hoare triple {438#false} assume !false; {438#false} is VALID [2018-11-18 22:15:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:15:27,261 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:15:27,482 INFO L273 TraceCheckUtils]: 20: Hoare triple {438#false} assume !false; {438#false} is VALID [2018-11-18 22:15:27,482 INFO L273 TraceCheckUtils]: 19: Hoare triple {438#false} assume 0bv32 == ~cond; {438#false} is VALID [2018-11-18 22:15:27,483 INFO L273 TraceCheckUtils]: 18: Hoare triple {438#false} ~cond := #in~cond; {438#false} is VALID [2018-11-18 22:15:27,483 INFO L256 TraceCheckUtils]: 17: Hoare triple {438#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {438#false} is VALID [2018-11-18 22:15:27,483 INFO L273 TraceCheckUtils]: 16: Hoare triple {438#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {438#false} is VALID [2018-11-18 22:15:27,483 INFO L273 TraceCheckUtils]: 15: Hoare triple {438#false} assume true; {438#false} is VALID [2018-11-18 22:15:27,484 INFO L273 TraceCheckUtils]: 14: Hoare triple {438#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {438#false} is VALID [2018-11-18 22:15:27,484 INFO L273 TraceCheckUtils]: 13: Hoare triple {438#false} assume !~bvsge32(~i~0, 0bv32); {438#false} is VALID [2018-11-18 22:15:27,484 INFO L273 TraceCheckUtils]: 12: Hoare triple {438#false} assume true; {438#false} is VALID [2018-11-18 22:15:27,485 INFO L273 TraceCheckUtils]: 11: Hoare triple {438#false} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {438#false} is VALID [2018-11-18 22:15:27,488 INFO L273 TraceCheckUtils]: 10: Hoare triple {534#(bvult main_~i~0 main_~max~0)} assume !~bvult32(~i~0, ~max~0); {438#false} is VALID [2018-11-18 22:15:27,488 INFO L273 TraceCheckUtils]: 9: Hoare triple {534#(bvult main_~i~0 main_~max~0)} assume true; {534#(bvult main_~i~0 main_~max~0)} is VALID [2018-11-18 22:15:27,490 INFO L273 TraceCheckUtils]: 8: Hoare triple {541#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {534#(bvult main_~i~0 main_~max~0)} is VALID [2018-11-18 22:15:27,490 INFO L273 TraceCheckUtils]: 7: Hoare triple {541#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {541#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} is VALID [2018-11-18 22:15:27,491 INFO L273 TraceCheckUtils]: 6: Hoare triple {541#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} assume true; {541#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} is VALID [2018-11-18 22:15:27,497 INFO L273 TraceCheckUtils]: 5: Hoare triple {437#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {541#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} is VALID [2018-11-18 22:15:27,497 INFO L256 TraceCheckUtils]: 4: Hoare triple {437#true} call #t~ret9 := main(); {437#true} is VALID [2018-11-18 22:15:27,497 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {437#true} {437#true} #66#return; {437#true} is VALID [2018-11-18 22:15:27,498 INFO L273 TraceCheckUtils]: 2: Hoare triple {437#true} assume true; {437#true} is VALID [2018-11-18 22:15:27,498 INFO L273 TraceCheckUtils]: 1: Hoare triple {437#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {437#true} is VALID [2018-11-18 22:15:27,498 INFO L256 TraceCheckUtils]: 0: Hoare triple {437#true} call ULTIMATE.init(); {437#true} is VALID [2018-11-18 22:15:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:15:27,502 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:15:27,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-18 22:15:27,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-18 22:15:27,503 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:15:27,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-18 22:15:27,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:27,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 22:15:27,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 22:15:27,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 22:15:27,574 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 6 states. [2018-11-18 22:15:28,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:28,087 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2018-11-18 22:15:28,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 22:15:28,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-18 22:15:28,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:15:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:15:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2018-11-18 22:15:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 22:15:28,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2018-11-18 22:15:28,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 58 transitions. [2018-11-18 22:15:28,221 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:28,223 INFO L225 Difference]: With dead ends: 52 [2018-11-18 22:15:28,223 INFO L226 Difference]: Without dead ends: 36 [2018-11-18 22:15:28,223 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-18 22:15:28,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-18 22:15:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-11-18 22:15:28,248 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:15:28,248 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2018-11-18 22:15:28,248 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2018-11-18 22:15:28,249 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2018-11-18 22:15:28,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:28,252 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-11-18 22:15:28,252 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-18 22:15:28,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:28,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:28,253 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2018-11-18 22:15:28,253 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2018-11-18 22:15:28,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:28,256 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-11-18 22:15:28,256 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-18 22:15:28,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:28,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:28,257 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:15:28,257 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:15:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-18 22:15:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-11-18 22:15:28,260 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2018-11-18 22:15:28,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:15:28,260 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-11-18 22:15:28,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 22:15:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-18 22:15:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 22:15:28,261 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:28,262 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:28,262 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:28,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:28,262 INFO L82 PathProgramCache]: Analyzing trace with hash -615702966, now seen corresponding path program 2 times [2018-11-18 22:15:28,263 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:28,263 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:28,289 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 22:15:28,321 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-18 22:15:28,322 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:15:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:28,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:28,434 INFO L256 TraceCheckUtils]: 0: Hoare triple {760#true} call ULTIMATE.init(); {760#true} is VALID [2018-11-18 22:15:28,434 INFO L273 TraceCheckUtils]: 1: Hoare triple {760#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {760#true} is VALID [2018-11-18 22:15:28,435 INFO L273 TraceCheckUtils]: 2: Hoare triple {760#true} assume true; {760#true} is VALID [2018-11-18 22:15:28,435 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {760#true} {760#true} #66#return; {760#true} is VALID [2018-11-18 22:15:28,435 INFO L256 TraceCheckUtils]: 4: Hoare triple {760#true} call #t~ret9 := main(); {760#true} is VALID [2018-11-18 22:15:28,436 INFO L273 TraceCheckUtils]: 5: Hoare triple {760#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,437 INFO L273 TraceCheckUtils]: 6: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,440 INFO L273 TraceCheckUtils]: 7: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,441 INFO L273 TraceCheckUtils]: 8: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,441 INFO L273 TraceCheckUtils]: 9: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,442 INFO L273 TraceCheckUtils]: 10: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,443 INFO L273 TraceCheckUtils]: 11: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,443 INFO L273 TraceCheckUtils]: 12: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,444 INFO L273 TraceCheckUtils]: 13: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,444 INFO L273 TraceCheckUtils]: 14: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,445 INFO L273 TraceCheckUtils]: 15: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,446 INFO L273 TraceCheckUtils]: 16: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,447 INFO L273 TraceCheckUtils]: 17: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,447 INFO L273 TraceCheckUtils]: 18: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,448 INFO L273 TraceCheckUtils]: 19: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !~bvult32(~i~0, ~max~0); {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,449 INFO L273 TraceCheckUtils]: 20: Hoare triple {780#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {826#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,450 INFO L273 TraceCheckUtils]: 21: Hoare triple {826#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} assume true; {826#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:28,451 INFO L273 TraceCheckUtils]: 22: Hoare triple {826#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} assume !~bvsge32(~i~0, 0bv32); {761#false} is VALID [2018-11-18 22:15:28,451 INFO L273 TraceCheckUtils]: 23: Hoare triple {761#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {761#false} is VALID [2018-11-18 22:15:28,452 INFO L273 TraceCheckUtils]: 24: Hoare triple {761#false} assume true; {761#false} is VALID [2018-11-18 22:15:28,452 INFO L273 TraceCheckUtils]: 25: Hoare triple {761#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {761#false} is VALID [2018-11-18 22:15:28,453 INFO L256 TraceCheckUtils]: 26: Hoare triple {761#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {761#false} is VALID [2018-11-18 22:15:28,453 INFO L273 TraceCheckUtils]: 27: Hoare triple {761#false} ~cond := #in~cond; {761#false} is VALID [2018-11-18 22:15:28,453 INFO L273 TraceCheckUtils]: 28: Hoare triple {761#false} assume 0bv32 == ~cond; {761#false} is VALID [2018-11-18 22:15:28,454 INFO L273 TraceCheckUtils]: 29: Hoare triple {761#false} assume !false; {761#false} is VALID [2018-11-18 22:15:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 22:15:28,457 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:15:28,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:15:28,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 22:15:28,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-18 22:15:28,463 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:15:28,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-18 22:15:28,509 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:28,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 22:15:28,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 22:15:28,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 22:15:28,509 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 4 states. [2018-11-18 22:15:28,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:28,727 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2018-11-18 22:15:28,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 22:15:28,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-18 22:15:28,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:15:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 22:15:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2018-11-18 22:15:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 22:15:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2018-11-18 22:15:28,732 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 43 transitions. [2018-11-18 22:15:28,847 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:28,849 INFO L225 Difference]: With dead ends: 51 [2018-11-18 22:15:28,849 INFO L226 Difference]: Without dead ends: 39 [2018-11-18 22:15:28,850 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:15:28,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-18 22:15:28,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2018-11-18 22:15:28,888 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:15:28,888 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 38 states. [2018-11-18 22:15:28,888 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 38 states. [2018-11-18 22:15:28,889 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 38 states. [2018-11-18 22:15:28,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:28,892 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-11-18 22:15:28,892 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-11-18 22:15:28,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:28,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:28,893 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 39 states. [2018-11-18 22:15:28,893 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 39 states. [2018-11-18 22:15:28,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:28,895 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-11-18 22:15:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-11-18 22:15:28,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:28,896 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:28,897 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:15:28,897 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:15:28,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-18 22:15:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2018-11-18 22:15:28,899 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 30 [2018-11-18 22:15:28,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:15:28,899 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2018-11-18 22:15:28,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 22:15:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2018-11-18 22:15:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 22:15:28,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:28,901 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:28,901 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:28,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:28,902 INFO L82 PathProgramCache]: Analyzing trace with hash -182024532, now seen corresponding path program 1 times [2018-11-18 22:15:28,902 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:28,903 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:28,922 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 22:15:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:28,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:29,180 INFO L256 TraceCheckUtils]: 0: Hoare triple {1053#true} call ULTIMATE.init(); {1053#true} is VALID [2018-11-18 22:15:29,180 INFO L273 TraceCheckUtils]: 1: Hoare triple {1053#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1053#true} is VALID [2018-11-18 22:15:29,181 INFO L273 TraceCheckUtils]: 2: Hoare triple {1053#true} assume true; {1053#true} is VALID [2018-11-18 22:15:29,181 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1053#true} {1053#true} #66#return; {1053#true} is VALID [2018-11-18 22:15:29,181 INFO L256 TraceCheckUtils]: 4: Hoare triple {1053#true} call #t~ret9 := main(); {1053#true} is VALID [2018-11-18 22:15:29,183 INFO L273 TraceCheckUtils]: 5: Hoare triple {1053#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {1073#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:29,184 INFO L273 TraceCheckUtils]: 6: Hoare triple {1073#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume true; {1073#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:29,185 INFO L273 TraceCheckUtils]: 7: Hoare triple {1073#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1073#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-18 22:15:29,186 INFO L273 TraceCheckUtils]: 8: Hoare triple {1073#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1083#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:29,186 INFO L273 TraceCheckUtils]: 9: Hoare triple {1083#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume true; {1083#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:29,187 INFO L273 TraceCheckUtils]: 10: Hoare triple {1083#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1083#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:29,188 INFO L273 TraceCheckUtils]: 11: Hoare triple {1083#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1093#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-18 22:15:29,189 INFO L273 TraceCheckUtils]: 12: Hoare triple {1093#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv2 32) main_~i~0))} assume true; {1093#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-18 22:15:29,190 INFO L273 TraceCheckUtils]: 13: Hoare triple {1093#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv2 32) main_~i~0))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1093#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-18 22:15:29,191 INFO L273 TraceCheckUtils]: 14: Hoare triple {1093#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv2 32) main_~i~0))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1103#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:29,207 INFO L273 TraceCheckUtils]: 15: Hoare triple {1103#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)))} assume true; {1103#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:29,208 INFO L273 TraceCheckUtils]: 16: Hoare triple {1103#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1103#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:29,209 INFO L273 TraceCheckUtils]: 17: Hoare triple {1103#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1113#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv4 32) main_~i~0))} is VALID [2018-11-18 22:15:29,212 INFO L273 TraceCheckUtils]: 18: Hoare triple {1113#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv4 32) main_~i~0))} assume true; {1113#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv4 32) main_~i~0))} is VALID [2018-11-18 22:15:29,213 INFO L273 TraceCheckUtils]: 19: Hoare triple {1113#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv4 32) main_~i~0))} assume !~bvult32(~i~0, ~max~0); {1054#false} is VALID [2018-11-18 22:15:29,213 INFO L273 TraceCheckUtils]: 20: Hoare triple {1054#false} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {1054#false} is VALID [2018-11-18 22:15:29,214 INFO L273 TraceCheckUtils]: 21: Hoare triple {1054#false} assume true; {1054#false} is VALID [2018-11-18 22:15:29,214 INFO L273 TraceCheckUtils]: 22: Hoare triple {1054#false} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1054#false} is VALID [2018-11-18 22:15:29,215 INFO L273 TraceCheckUtils]: 23: Hoare triple {1054#false} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {1054#false} is VALID [2018-11-18 22:15:29,215 INFO L273 TraceCheckUtils]: 24: Hoare triple {1054#false} assume true; {1054#false} is VALID [2018-11-18 22:15:29,216 INFO L273 TraceCheckUtils]: 25: Hoare triple {1054#false} assume !~bvsge32(~i~0, 0bv32); {1054#false} is VALID [2018-11-18 22:15:29,216 INFO L273 TraceCheckUtils]: 26: Hoare triple {1054#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {1054#false} is VALID [2018-11-18 22:15:29,217 INFO L273 TraceCheckUtils]: 27: Hoare triple {1054#false} assume true; {1054#false} is VALID [2018-11-18 22:15:29,217 INFO L273 TraceCheckUtils]: 28: Hoare triple {1054#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {1054#false} is VALID [2018-11-18 22:15:29,217 INFO L256 TraceCheckUtils]: 29: Hoare triple {1054#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {1054#false} is VALID [2018-11-18 22:15:29,218 INFO L273 TraceCheckUtils]: 30: Hoare triple {1054#false} ~cond := #in~cond; {1054#false} is VALID [2018-11-18 22:15:29,218 INFO L273 TraceCheckUtils]: 31: Hoare triple {1054#false} assume 0bv32 == ~cond; {1054#false} is VALID [2018-11-18 22:15:29,218 INFO L273 TraceCheckUtils]: 32: Hoare triple {1054#false} assume !false; {1054#false} is VALID [2018-11-18 22:15:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 22:15:29,223 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:15:29,570 INFO L273 TraceCheckUtils]: 32: Hoare triple {1054#false} assume !false; {1054#false} is VALID [2018-11-18 22:15:29,571 INFO L273 TraceCheckUtils]: 31: Hoare triple {1054#false} assume 0bv32 == ~cond; {1054#false} is VALID [2018-11-18 22:15:29,571 INFO L273 TraceCheckUtils]: 30: Hoare triple {1054#false} ~cond := #in~cond; {1054#false} is VALID [2018-11-18 22:15:29,571 INFO L256 TraceCheckUtils]: 29: Hoare triple {1054#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {1054#false} is VALID [2018-11-18 22:15:29,572 INFO L273 TraceCheckUtils]: 28: Hoare triple {1054#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {1054#false} is VALID [2018-11-18 22:15:29,572 INFO L273 TraceCheckUtils]: 27: Hoare triple {1054#false} assume true; {1054#false} is VALID [2018-11-18 22:15:29,572 INFO L273 TraceCheckUtils]: 26: Hoare triple {1054#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {1054#false} is VALID [2018-11-18 22:15:29,573 INFO L273 TraceCheckUtils]: 25: Hoare triple {1054#false} assume !~bvsge32(~i~0, 0bv32); {1054#false} is VALID [2018-11-18 22:15:29,573 INFO L273 TraceCheckUtils]: 24: Hoare triple {1054#false} assume true; {1054#false} is VALID [2018-11-18 22:15:29,573 INFO L273 TraceCheckUtils]: 23: Hoare triple {1054#false} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {1054#false} is VALID [2018-11-18 22:15:29,573 INFO L273 TraceCheckUtils]: 22: Hoare triple {1054#false} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1054#false} is VALID [2018-11-18 22:15:29,574 INFO L273 TraceCheckUtils]: 21: Hoare triple {1054#false} assume true; {1054#false} is VALID [2018-11-18 22:15:29,574 INFO L273 TraceCheckUtils]: 20: Hoare triple {1054#false} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {1054#false} is VALID [2018-11-18 22:15:29,574 INFO L273 TraceCheckUtils]: 19: Hoare triple {1198#(bvult main_~i~0 main_~max~0)} assume !~bvult32(~i~0, ~max~0); {1054#false} is VALID [2018-11-18 22:15:29,576 INFO L273 TraceCheckUtils]: 18: Hoare triple {1198#(bvult main_~i~0 main_~max~0)} assume true; {1198#(bvult main_~i~0 main_~max~0)} is VALID [2018-11-18 22:15:29,577 INFO L273 TraceCheckUtils]: 17: Hoare triple {1205#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1198#(bvult main_~i~0 main_~max~0)} is VALID [2018-11-18 22:15:29,577 INFO L273 TraceCheckUtils]: 16: Hoare triple {1205#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1205#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,577 INFO L273 TraceCheckUtils]: 15: Hoare triple {1205#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} assume true; {1205#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,605 INFO L273 TraceCheckUtils]: 14: Hoare triple {1215#(bvult (bvadd main_~i~0 (_ bv2 32)) main_~max~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1205#(bvult (bvadd main_~i~0 (_ bv1 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,606 INFO L273 TraceCheckUtils]: 13: Hoare triple {1215#(bvult (bvadd main_~i~0 (_ bv2 32)) main_~max~0)} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1215#(bvult (bvadd main_~i~0 (_ bv2 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,606 INFO L273 TraceCheckUtils]: 12: Hoare triple {1215#(bvult (bvadd main_~i~0 (_ bv2 32)) main_~max~0)} assume true; {1215#(bvult (bvadd main_~i~0 (_ bv2 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,635 INFO L273 TraceCheckUtils]: 11: Hoare triple {1225#(bvult (bvadd main_~i~0 (_ bv3 32)) main_~max~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1215#(bvult (bvadd main_~i~0 (_ bv2 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,636 INFO L273 TraceCheckUtils]: 10: Hoare triple {1225#(bvult (bvadd main_~i~0 (_ bv3 32)) main_~max~0)} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1225#(bvult (bvadd main_~i~0 (_ bv3 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,636 INFO L273 TraceCheckUtils]: 9: Hoare triple {1225#(bvult (bvadd main_~i~0 (_ bv3 32)) main_~max~0)} assume true; {1225#(bvult (bvadd main_~i~0 (_ bv3 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,663 INFO L273 TraceCheckUtils]: 8: Hoare triple {1235#(bvult (bvadd main_~i~0 (_ bv4 32)) main_~max~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1225#(bvult (bvadd main_~i~0 (_ bv3 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,663 INFO L273 TraceCheckUtils]: 7: Hoare triple {1235#(bvult (bvadd main_~i~0 (_ bv4 32)) main_~max~0)} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1235#(bvult (bvadd main_~i~0 (_ bv4 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,664 INFO L273 TraceCheckUtils]: 6: Hoare triple {1235#(bvult (bvadd main_~i~0 (_ bv4 32)) main_~max~0)} assume true; {1235#(bvult (bvadd main_~i~0 (_ bv4 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,664 INFO L273 TraceCheckUtils]: 5: Hoare triple {1053#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {1235#(bvult (bvadd main_~i~0 (_ bv4 32)) main_~max~0)} is VALID [2018-11-18 22:15:29,665 INFO L256 TraceCheckUtils]: 4: Hoare triple {1053#true} call #t~ret9 := main(); {1053#true} is VALID [2018-11-18 22:15:29,665 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1053#true} {1053#true} #66#return; {1053#true} is VALID [2018-11-18 22:15:29,665 INFO L273 TraceCheckUtils]: 2: Hoare triple {1053#true} assume true; {1053#true} is VALID [2018-11-18 22:15:29,665 INFO L273 TraceCheckUtils]: 1: Hoare triple {1053#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1053#true} is VALID [2018-11-18 22:15:29,666 INFO L256 TraceCheckUtils]: 0: Hoare triple {1053#true} call ULTIMATE.init(); {1053#true} is VALID [2018-11-18 22:15:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 22:15:29,670 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:15:29,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 22:15:29,671 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-11-18 22:15:29,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:15:29,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-18 22:15:29,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:29,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 22:15:29,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 22:15:29,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 22:15:29,835 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand 12 states. [2018-11-18 22:15:30,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:30,806 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-11-18 22:15:30,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 22:15:30,806 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-11-18 22:15:30,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:15:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:15:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2018-11-18 22:15:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-18 22:15:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2018-11-18 22:15:30,812 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2018-11-18 22:15:30,903 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:30,905 INFO L225 Difference]: With dead ends: 60 [2018-11-18 22:15:30,905 INFO L226 Difference]: Without dead ends: 42 [2018-11-18 22:15:30,906 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 22:15:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-18 22:15:31,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2018-11-18 22:15:31,002 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:15:31,002 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 41 states. [2018-11-18 22:15:31,003 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 41 states. [2018-11-18 22:15:31,003 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 41 states. [2018-11-18 22:15:31,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:31,006 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2018-11-18 22:15:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-11-18 22:15:31,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:31,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:31,007 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 42 states. [2018-11-18 22:15:31,007 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 42 states. [2018-11-18 22:15:31,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:31,010 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2018-11-18 22:15:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-11-18 22:15:31,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:31,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:31,011 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:15:31,011 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:15:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 22:15:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-11-18 22:15:31,013 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 33 [2018-11-18 22:15:31,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:15:31,014 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-11-18 22:15:31,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 22:15:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-18 22:15:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 22:15:31,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:31,016 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:31,016 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:31,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:31,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1477047641, now seen corresponding path program 2 times [2018-11-18 22:15:31,017 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:31,017 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:31,041 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 22:15:31,101 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 22:15:31,101 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:15:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:31,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:31,207 INFO L256 TraceCheckUtils]: 0: Hoare triple {1482#true} call ULTIMATE.init(); {1482#true} is VALID [2018-11-18 22:15:31,208 INFO L273 TraceCheckUtils]: 1: Hoare triple {1482#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1482#true} is VALID [2018-11-18 22:15:31,208 INFO L273 TraceCheckUtils]: 2: Hoare triple {1482#true} assume true; {1482#true} is VALID [2018-11-18 22:15:31,209 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1482#true} {1482#true} #66#return; {1482#true} is VALID [2018-11-18 22:15:31,209 INFO L256 TraceCheckUtils]: 4: Hoare triple {1482#true} call #t~ret9 := main(); {1482#true} is VALID [2018-11-18 22:15:31,210 INFO L273 TraceCheckUtils]: 5: Hoare triple {1482#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,211 INFO L273 TraceCheckUtils]: 6: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,212 INFO L273 TraceCheckUtils]: 7: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,212 INFO L273 TraceCheckUtils]: 8: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,213 INFO L273 TraceCheckUtils]: 9: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,214 INFO L273 TraceCheckUtils]: 10: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,214 INFO L273 TraceCheckUtils]: 11: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,215 INFO L273 TraceCheckUtils]: 12: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,216 INFO L273 TraceCheckUtils]: 13: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,216 INFO L273 TraceCheckUtils]: 14: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,217 INFO L273 TraceCheckUtils]: 15: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,218 INFO L273 TraceCheckUtils]: 16: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,218 INFO L273 TraceCheckUtils]: 17: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,219 INFO L273 TraceCheckUtils]: 18: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,220 INFO L273 TraceCheckUtils]: 19: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,224 INFO L273 TraceCheckUtils]: 20: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,225 INFO L273 TraceCheckUtils]: 21: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,225 INFO L273 TraceCheckUtils]: 22: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !~bvult32(~i~0, ~max~0); {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,226 INFO L273 TraceCheckUtils]: 23: Hoare triple {1502#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {1557#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,227 INFO L273 TraceCheckUtils]: 24: Hoare triple {1557#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} assume true; {1557#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,227 INFO L273 TraceCheckUtils]: 25: Hoare triple {1557#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1557#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,228 INFO L273 TraceCheckUtils]: 26: Hoare triple {1557#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {1567#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,231 INFO L273 TraceCheckUtils]: 27: Hoare triple {1567#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} assume true; {1567#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,232 INFO L273 TraceCheckUtils]: 28: Hoare triple {1567#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} assume !~bvsge32(~i~0, 0bv32); {1483#false} is VALID [2018-11-18 22:15:31,232 INFO L273 TraceCheckUtils]: 29: Hoare triple {1483#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {1483#false} is VALID [2018-11-18 22:15:31,232 INFO L273 TraceCheckUtils]: 30: Hoare triple {1483#false} assume true; {1483#false} is VALID [2018-11-18 22:15:31,232 INFO L273 TraceCheckUtils]: 31: Hoare triple {1483#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {1483#false} is VALID [2018-11-18 22:15:31,233 INFO L256 TraceCheckUtils]: 32: Hoare triple {1483#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {1483#false} is VALID [2018-11-18 22:15:31,233 INFO L273 TraceCheckUtils]: 33: Hoare triple {1483#false} ~cond := #in~cond; {1483#false} is VALID [2018-11-18 22:15:31,234 INFO L273 TraceCheckUtils]: 34: Hoare triple {1483#false} assume 0bv32 == ~cond; {1483#false} is VALID [2018-11-18 22:15:31,234 INFO L273 TraceCheckUtils]: 35: Hoare triple {1483#false} assume !false; {1483#false} is VALID [2018-11-18 22:15:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 22:15:31,237 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:15:31,343 INFO L273 TraceCheckUtils]: 35: Hoare triple {1483#false} assume !false; {1483#false} is VALID [2018-11-18 22:15:31,344 INFO L273 TraceCheckUtils]: 34: Hoare triple {1483#false} assume 0bv32 == ~cond; {1483#false} is VALID [2018-11-18 22:15:31,344 INFO L273 TraceCheckUtils]: 33: Hoare triple {1483#false} ~cond := #in~cond; {1483#false} is VALID [2018-11-18 22:15:31,344 INFO L256 TraceCheckUtils]: 32: Hoare triple {1483#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {1483#false} is VALID [2018-11-18 22:15:31,345 INFO L273 TraceCheckUtils]: 31: Hoare triple {1483#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {1483#false} is VALID [2018-11-18 22:15:31,345 INFO L273 TraceCheckUtils]: 30: Hoare triple {1483#false} assume true; {1483#false} is VALID [2018-11-18 22:15:31,345 INFO L273 TraceCheckUtils]: 29: Hoare triple {1483#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {1483#false} is VALID [2018-11-18 22:15:31,364 INFO L273 TraceCheckUtils]: 28: Hoare triple {1616#(bvsge main_~i~0 (_ bv0 32))} assume !~bvsge32(~i~0, 0bv32); {1483#false} is VALID [2018-11-18 22:15:31,377 INFO L273 TraceCheckUtils]: 27: Hoare triple {1616#(bvsge main_~i~0 (_ bv0 32))} assume true; {1616#(bvsge main_~i~0 (_ bv0 32))} is VALID [2018-11-18 22:15:31,386 INFO L273 TraceCheckUtils]: 26: Hoare triple {1623#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {1616#(bvsge main_~i~0 (_ bv0 32))} is VALID [2018-11-18 22:15:31,394 INFO L273 TraceCheckUtils]: 25: Hoare triple {1623#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1623#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,394 INFO L273 TraceCheckUtils]: 24: Hoare triple {1623#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} assume true; {1623#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,398 INFO L273 TraceCheckUtils]: 23: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {1623#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,398 INFO L273 TraceCheckUtils]: 22: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume !~bvult32(~i~0, ~max~0); {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,399 INFO L273 TraceCheckUtils]: 21: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume true; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,399 INFO L273 TraceCheckUtils]: 20: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,400 INFO L273 TraceCheckUtils]: 19: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,406 INFO L273 TraceCheckUtils]: 18: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume true; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,406 INFO L273 TraceCheckUtils]: 17: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,406 INFO L273 TraceCheckUtils]: 16: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,407 INFO L273 TraceCheckUtils]: 15: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume true; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,407 INFO L273 TraceCheckUtils]: 14: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,408 INFO L273 TraceCheckUtils]: 13: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,408 INFO L273 TraceCheckUtils]: 12: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume true; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,409 INFO L273 TraceCheckUtils]: 11: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,409 INFO L273 TraceCheckUtils]: 10: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,410 INFO L273 TraceCheckUtils]: 9: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume true; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,410 INFO L273 TraceCheckUtils]: 8: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,411 INFO L273 TraceCheckUtils]: 7: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,411 INFO L273 TraceCheckUtils]: 6: Hoare triple {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} assume true; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,412 INFO L273 TraceCheckUtils]: 5: Hoare triple {1482#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {1633#(bvsge (bvadd main_~max~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:31,413 INFO L256 TraceCheckUtils]: 4: Hoare triple {1482#true} call #t~ret9 := main(); {1482#true} is VALID [2018-11-18 22:15:31,413 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1482#true} {1482#true} #66#return; {1482#true} is VALID [2018-11-18 22:15:31,413 INFO L273 TraceCheckUtils]: 2: Hoare triple {1482#true} assume true; {1482#true} is VALID [2018-11-18 22:15:31,413 INFO L273 TraceCheckUtils]: 1: Hoare triple {1482#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1482#true} is VALID [2018-11-18 22:15:31,414 INFO L256 TraceCheckUtils]: 0: Hoare triple {1482#true} call ULTIMATE.init(); {1482#true} is VALID [2018-11-18 22:15:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 22:15:31,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:15:31,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-18 22:15:31,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-18 22:15:31,420 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:15:31,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-18 22:15:31,495 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:31,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 22:15:31,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 22:15:31,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 22:15:31,497 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 8 states. [2018-11-18 22:15:32,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:32,096 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2018-11-18 22:15:32,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 22:15:32,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-18 22:15:32,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:15:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 22:15:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 62 transitions. [2018-11-18 22:15:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 22:15:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 62 transitions. [2018-11-18 22:15:32,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 62 transitions. [2018-11-18 22:15:32,265 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:32,268 INFO L225 Difference]: With dead ends: 67 [2018-11-18 22:15:32,268 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 22:15:32,269 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-11-18 22:15:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 22:15:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2018-11-18 22:15:32,367 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:15:32,367 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 50 states. [2018-11-18 22:15:32,367 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 50 states. [2018-11-18 22:15:32,367 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 50 states. [2018-11-18 22:15:32,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:32,372 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-11-18 22:15:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-11-18 22:15:32,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:32,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:32,373 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 55 states. [2018-11-18 22:15:32,373 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 55 states. [2018-11-18 22:15:32,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:32,376 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-11-18 22:15:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-11-18 22:15:32,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:32,377 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:32,377 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:15:32,377 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:15:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-18 22:15:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2018-11-18 22:15:32,380 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 36 [2018-11-18 22:15:32,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:15:32,380 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2018-11-18 22:15:32,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 22:15:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-11-18 22:15:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 22:15:32,382 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:32,383 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:32,383 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:32,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:32,383 INFO L82 PathProgramCache]: Analyzing trace with hash -826446289, now seen corresponding path program 3 times [2018-11-18 22:15:32,386 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:32,386 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:32,406 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-18 22:15:32,621 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-18 22:15:32,622 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:15:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:32,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:32,856 INFO L256 TraceCheckUtils]: 0: Hoare triple {1983#true} call ULTIMATE.init(); {1983#true} is VALID [2018-11-18 22:15:32,856 INFO L273 TraceCheckUtils]: 1: Hoare triple {1983#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1983#true} is VALID [2018-11-18 22:15:32,857 INFO L273 TraceCheckUtils]: 2: Hoare triple {1983#true} assume true; {1983#true} is VALID [2018-11-18 22:15:32,857 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1983#true} {1983#true} #66#return; {1983#true} is VALID [2018-11-18 22:15:32,857 INFO L256 TraceCheckUtils]: 4: Hoare triple {1983#true} call #t~ret9 := main(); {1983#true} is VALID [2018-11-18 22:15:32,859 INFO L273 TraceCheckUtils]: 5: Hoare triple {1983#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,859 INFO L273 TraceCheckUtils]: 6: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,860 INFO L273 TraceCheckUtils]: 7: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,860 INFO L273 TraceCheckUtils]: 8: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,861 INFO L273 TraceCheckUtils]: 9: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,864 INFO L273 TraceCheckUtils]: 10: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,867 INFO L273 TraceCheckUtils]: 11: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,868 INFO L273 TraceCheckUtils]: 12: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,870 INFO L273 TraceCheckUtils]: 13: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,870 INFO L273 TraceCheckUtils]: 14: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,871 INFO L273 TraceCheckUtils]: 15: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,871 INFO L273 TraceCheckUtils]: 16: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,871 INFO L273 TraceCheckUtils]: 17: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,872 INFO L273 TraceCheckUtils]: 18: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,872 INFO L273 TraceCheckUtils]: 19: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,872 INFO L273 TraceCheckUtils]: 20: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,873 INFO L273 TraceCheckUtils]: 21: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume true; {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,873 INFO L273 TraceCheckUtils]: 22: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} assume !~bvult32(~i~0, ~max~0); {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,874 INFO L273 TraceCheckUtils]: 23: Hoare triple {2003#(= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32))} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {2058#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,875 INFO L273 TraceCheckUtils]: 24: Hoare triple {2058#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} assume true; {2058#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,875 INFO L273 TraceCheckUtils]: 25: Hoare triple {2058#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2058#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,876 INFO L273 TraceCheckUtils]: 26: Hoare triple {2058#(= (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2068#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,877 INFO L273 TraceCheckUtils]: 27: Hoare triple {2068#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} assume true; {2068#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,877 INFO L273 TraceCheckUtils]: 28: Hoare triple {2068#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2068#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:32,878 INFO L273 TraceCheckUtils]: 29: Hoare triple {2068#(= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2078#(= (_ bv2 32) main_~i~0)} is VALID [2018-11-18 22:15:32,878 INFO L273 TraceCheckUtils]: 30: Hoare triple {2078#(= (_ bv2 32) main_~i~0)} assume true; {2078#(= (_ bv2 32) main_~i~0)} is VALID [2018-11-18 22:15:32,879 INFO L273 TraceCheckUtils]: 31: Hoare triple {2078#(= (_ bv2 32) main_~i~0)} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2078#(= (_ bv2 32) main_~i~0)} is VALID [2018-11-18 22:15:32,880 INFO L273 TraceCheckUtils]: 32: Hoare triple {2078#(= (_ bv2 32) main_~i~0)} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2088#(= (_ bv1 32) main_~i~0)} is VALID [2018-11-18 22:15:32,880 INFO L273 TraceCheckUtils]: 33: Hoare triple {2088#(= (_ bv1 32) main_~i~0)} assume true; {2088#(= (_ bv1 32) main_~i~0)} is VALID [2018-11-18 22:15:32,881 INFO L273 TraceCheckUtils]: 34: Hoare triple {2088#(= (_ bv1 32) main_~i~0)} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2088#(= (_ bv1 32) main_~i~0)} is VALID [2018-11-18 22:15:32,881 INFO L273 TraceCheckUtils]: 35: Hoare triple {2088#(= (_ bv1 32) main_~i~0)} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2098#(= (_ bv0 32) main_~i~0)} is VALID [2018-11-18 22:15:32,882 INFO L273 TraceCheckUtils]: 36: Hoare triple {2098#(= (_ bv0 32) main_~i~0)} assume true; {2098#(= (_ bv0 32) main_~i~0)} is VALID [2018-11-18 22:15:32,883 INFO L273 TraceCheckUtils]: 37: Hoare triple {2098#(= (_ bv0 32) main_~i~0)} assume !~bvsge32(~i~0, 0bv32); {1984#false} is VALID [2018-11-18 22:15:32,883 INFO L273 TraceCheckUtils]: 38: Hoare triple {1984#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {1984#false} is VALID [2018-11-18 22:15:32,883 INFO L273 TraceCheckUtils]: 39: Hoare triple {1984#false} assume true; {1984#false} is VALID [2018-11-18 22:15:32,883 INFO L273 TraceCheckUtils]: 40: Hoare triple {1984#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {1984#false} is VALID [2018-11-18 22:15:32,884 INFO L256 TraceCheckUtils]: 41: Hoare triple {1984#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {1984#false} is VALID [2018-11-18 22:15:32,884 INFO L273 TraceCheckUtils]: 42: Hoare triple {1984#false} ~cond := #in~cond; {1984#false} is VALID [2018-11-18 22:15:32,884 INFO L273 TraceCheckUtils]: 43: Hoare triple {1984#false} assume 0bv32 == ~cond; {1984#false} is VALID [2018-11-18 22:15:32,885 INFO L273 TraceCheckUtils]: 44: Hoare triple {1984#false} assume !false; {1984#false} is VALID [2018-11-18 22:15:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 22:15:32,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:15:33,494 INFO L273 TraceCheckUtils]: 44: Hoare triple {1984#false} assume !false; {1984#false} is VALID [2018-11-18 22:15:33,495 INFO L273 TraceCheckUtils]: 43: Hoare triple {1984#false} assume 0bv32 == ~cond; {1984#false} is VALID [2018-11-18 22:15:33,495 INFO L273 TraceCheckUtils]: 42: Hoare triple {1984#false} ~cond := #in~cond; {1984#false} is VALID [2018-11-18 22:15:33,495 INFO L256 TraceCheckUtils]: 41: Hoare triple {1984#false} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {1984#false} is VALID [2018-11-18 22:15:33,496 INFO L273 TraceCheckUtils]: 40: Hoare triple {1984#false} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {1984#false} is VALID [2018-11-18 22:15:33,496 INFO L273 TraceCheckUtils]: 39: Hoare triple {1984#false} assume true; {1984#false} is VALID [2018-11-18 22:15:33,496 INFO L273 TraceCheckUtils]: 38: Hoare triple {1984#false} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {1984#false} is VALID [2018-11-18 22:15:33,497 INFO L273 TraceCheckUtils]: 37: Hoare triple {2147#(bvsge main_~i~0 (_ bv0 32))} assume !~bvsge32(~i~0, 0bv32); {1984#false} is VALID [2018-11-18 22:15:33,500 INFO L273 TraceCheckUtils]: 36: Hoare triple {2147#(bvsge main_~i~0 (_ bv0 32))} assume true; {2147#(bvsge main_~i~0 (_ bv0 32))} is VALID [2018-11-18 22:15:33,501 INFO L273 TraceCheckUtils]: 35: Hoare triple {2154#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2147#(bvsge main_~i~0 (_ bv0 32))} is VALID [2018-11-18 22:15:33,502 INFO L273 TraceCheckUtils]: 34: Hoare triple {2158#(or (not (bvsge main_~i~0 (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2154#(bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:33,502 INFO L273 TraceCheckUtils]: 33: Hoare triple {2158#(or (not (bvsge main_~i~0 (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume true; {2158#(or (not (bvsge main_~i~0 (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,505 INFO L273 TraceCheckUtils]: 32: Hoare triple {2165#(or (not (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32)))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2158#(or (not (bvsge main_~i~0 (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,505 INFO L273 TraceCheckUtils]: 31: Hoare triple {2165#(or (not (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32)))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2165#(or (not (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,506 INFO L273 TraceCheckUtils]: 30: Hoare triple {2165#(or (not (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32)))} assume true; {2165#(or (not (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,510 INFO L273 TraceCheckUtils]: 29: Hoare triple {2175#(or (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32))))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2165#(or (not (bvsge (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32))) (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,510 INFO L273 TraceCheckUtils]: 28: Hoare triple {2175#(or (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32))))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2175#(or (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-18 22:15:33,511 INFO L273 TraceCheckUtils]: 27: Hoare triple {2175#(or (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32))))} assume true; {2175#(or (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-18 22:15:33,514 INFO L273 TraceCheckUtils]: 26: Hoare triple {2185#(or (bvsge (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2175#(or (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-18 22:15:33,515 INFO L273 TraceCheckUtils]: 25: Hoare triple {2185#(or (bvsge (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2185#(or (bvsge (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-18 22:15:33,516 INFO L273 TraceCheckUtils]: 24: Hoare triple {2185#(or (bvsge (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))))} assume true; {2185#(or (bvsge (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-18 22:15:33,520 INFO L273 TraceCheckUtils]: 23: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {2185#(or (bvsge (bvadd main_~i~0 (_ bv4294967292 32)) (_ bv0 32)) (not (bvsge (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-18 22:15:33,521 INFO L273 TraceCheckUtils]: 22: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !~bvult32(~i~0, ~max~0); {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,521 INFO L273 TraceCheckUtils]: 21: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,522 INFO L273 TraceCheckUtils]: 20: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,522 INFO L273 TraceCheckUtils]: 19: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,522 INFO L273 TraceCheckUtils]: 18: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,541 INFO L273 TraceCheckUtils]: 17: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,555 INFO L273 TraceCheckUtils]: 16: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,563 INFO L273 TraceCheckUtils]: 15: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,572 INFO L273 TraceCheckUtils]: 14: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,572 INFO L273 TraceCheckUtils]: 13: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,573 INFO L273 TraceCheckUtils]: 12: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,573 INFO L273 TraceCheckUtils]: 11: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,573 INFO L273 TraceCheckUtils]: 10: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,574 INFO L273 TraceCheckUtils]: 9: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,574 INFO L273 TraceCheckUtils]: 8: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,574 INFO L273 TraceCheckUtils]: 7: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,575 INFO L273 TraceCheckUtils]: 6: Hoare triple {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,576 INFO L273 TraceCheckUtils]: 5: Hoare triple {1983#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {2195#(or (not (bvsge (bvadd main_~max~0 (_ bv4294967292 32)) (_ bv0 32))) (bvsge (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:33,576 INFO L256 TraceCheckUtils]: 4: Hoare triple {1983#true} call #t~ret9 := main(); {1983#true} is VALID [2018-11-18 22:15:33,576 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1983#true} {1983#true} #66#return; {1983#true} is VALID [2018-11-18 22:15:33,576 INFO L273 TraceCheckUtils]: 2: Hoare triple {1983#true} assume true; {1983#true} is VALID [2018-11-18 22:15:33,577 INFO L273 TraceCheckUtils]: 1: Hoare triple {1983#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1983#true} is VALID [2018-11-18 22:15:33,577 INFO L256 TraceCheckUtils]: 0: Hoare triple {1983#true} call ULTIMATE.init(); {1983#true} is VALID [2018-11-18 22:15:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 22:15:33,584 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 22:15:33,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2018-11-18 22:15:33,585 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 45 [2018-11-18 22:15:33,585 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:15:33,586 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2018-11-18 22:15:33,830 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:33,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 22:15:33,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 22:15:33,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-11-18 22:15:33,831 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 15 states. [2018-11-18 22:15:36,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:36,216 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2018-11-18 22:15:36,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 22:15:36,216 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 45 [2018-11-18 22:15:36,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:15:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-18 22:15:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 114 transitions. [2018-11-18 22:15:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-18 22:15:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 114 transitions. [2018-11-18 22:15:36,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 114 transitions. [2018-11-18 22:15:36,421 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:15:36,423 INFO L225 Difference]: With dead ends: 102 [2018-11-18 22:15:36,423 INFO L226 Difference]: Without dead ends: 90 [2018-11-18 22:15:36,424 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2018-11-18 22:15:36,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-11-18 22:15:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 68. [2018-11-18 22:15:36,600 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:15:36,600 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand 68 states. [2018-11-18 22:15:36,601 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 68 states. [2018-11-18 22:15:36,601 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 68 states. [2018-11-18 22:15:36,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:36,606 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2018-11-18 22:15:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2018-11-18 22:15:36,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:36,607 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:36,607 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 90 states. [2018-11-18 22:15:36,607 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 90 states. [2018-11-18 22:15:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:15:36,611 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2018-11-18 22:15:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2018-11-18 22:15:36,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:15:36,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:15:36,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:15:36,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:15:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-18 22:15:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2018-11-18 22:15:36,614 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 45 [2018-11-18 22:15:36,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:15:36,614 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2018-11-18 22:15:36,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 22:15:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2018-11-18 22:15:36,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 22:15:36,616 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:15:36,616 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:15:36,616 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:15:36,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:15:36,616 INFO L82 PathProgramCache]: Analyzing trace with hash 805826727, now seen corresponding path program 4 times [2018-11-18 22:15:36,617 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:15:36,617 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:15:36,646 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 22:15:36,787 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 22:15:36,787 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 22:15:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:15:36,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:15:36,935 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 22:15:36,942 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:36,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:36,964 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:19 [2018-11-18 22:15:37,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 14 treesize of output 11 [2018-11-18 22:15:37,068 INFO L477 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 11 treesize of output 10 [2018-11-18 22:15:37,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:37,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:37,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:37,097 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:29 [2018-11-18 22:15:37,114 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 22:15:37,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 26 treesize of output 21 [2018-11-18 22:15:37,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:37,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-18 22:15:37,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:37,462 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:37,492 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:37,492 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:46, output treesize:42 [2018-11-18 22:15:37,512 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 22:15:37,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 37 treesize of output 30 [2018-11-18 22:15:37,800 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:37,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:37,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:37,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 61 [2018-11-18 22:15:37,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:37,853 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:37,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:37,893 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:55, output treesize:51 [2018-11-18 22:15:37,988 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 22:15:38,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 48 treesize of output 39 [2018-11-18 22:15:38,412 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:38,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:38,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:38,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:38,429 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:38,431 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:38,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 101 [2018-11-18 22:15:38,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:38,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:38,574 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:38,575 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:68, output treesize:64 [2018-11-18 22:15:40,202 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 22:15:40,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 53 treesize of output 42 [2018-11-18 22:15:40,595 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,609 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,625 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,633 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,640 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:40,749 INFO L303 Elim1Store]: Index analysis took 169 ms [2018-11-18 22:15:40,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 121 [2018-11-18 22:15:40,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:40,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:40,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:40,866 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:68, output treesize:64 [2018-11-18 22:15:42,871 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 22:15:43,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 64 treesize of output 51 [2018-11-18 22:15:43,248 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,252 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,254 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 22:15:43,256 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,267 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:43,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 130 [2018-11-18 22:15:43,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:43,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:43,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:43,451 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:87, output treesize:73 [2018-11-18 22:15:44,007 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 22:15:44,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 70 [2018-11-18 22:15:44,382 INFO L477 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 16 treesize of output 15 [2018-11-18 22:15:44,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:44,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:44,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:44,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:94, output treesize:90 [2018-11-18 22:15:45,109 INFO L303 Elim1Store]: Index analysis took 106 ms [2018-11-18 22:15:45,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 87 [2018-11-18 22:15:45,195 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:45,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2018-11-18 22:15:45,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:45,319 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:45,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:45,427 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:113, output treesize:109 [2018-11-18 22:15:45,684 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-11-18 22:15:46,015 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-11-18 22:15:46,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 104 [2018-11-18 22:15:46,178 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:46,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:46,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:46,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 78 [2018-11-18 22:15:46,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:46,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:46,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:46,414 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:132, output treesize:128 [2018-11-18 22:15:46,904 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-11-18 22:15:47,256 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-11-18 22:15:47,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 121 [2018-11-18 22:15:47,389 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:47,392 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:47,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:47,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:47,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:47,401 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:47,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 124 [2018-11-18 22:15:47,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:47,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:47,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:47,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:151, output treesize:147 [2018-11-18 22:15:48,072 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-11-18 22:15:48,464 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-11-18 22:15:48,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 135 [2018-11-18 22:15:48,624 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,626 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,629 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,632 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,634 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,637 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,639 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,642 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,644 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 22:15:48,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 161 [2018-11-18 22:15:48,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:48,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:48,981 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:48,981 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:157, output treesize:153 [2018-11-18 22:15:49,672 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-11-18 22:15:50,203 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-11-18 22:15:50,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 92 [2018-11-18 22:15:50,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 8 [2018-11-18 22:15:50,475 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:50,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 13 [2018-11-18 22:15:50,557 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 22:15:50,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 22:15:50,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 22:15:50,572 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:126, output treesize:13 [2018-11-18 22:15:50,593 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 22:15:50,889 INFO L256 TraceCheckUtils]: 0: Hoare triple {2699#true} call ULTIMATE.init(); {2699#true} is VALID [2018-11-18 22:15:50,889 INFO L273 TraceCheckUtils]: 1: Hoare triple {2699#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {2699#true} is VALID [2018-11-18 22:15:50,889 INFO L273 TraceCheckUtils]: 2: Hoare triple {2699#true} assume true; {2699#true} is VALID [2018-11-18 22:15:50,889 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2699#true} {2699#true} #66#return; {2699#true} is VALID [2018-11-18 22:15:50,890 INFO L256 TraceCheckUtils]: 4: Hoare triple {2699#true} call #t~ret9 := main(); {2699#true} is VALID [2018-11-18 22:15:50,892 INFO L273 TraceCheckUtils]: 5: Hoare triple {2699#true} ~max~0 := 5bv32;call ~#str1~0.base, ~#str1~0.offset := #Ultimate.alloc(~max~0);call ~#str2~0.base, ~#str2~0.offset := #Ultimate.alloc(~max~0);havoc ~i~0;havoc ~j~0;~i~0 := 0bv32; {2719#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,893 INFO L273 TraceCheckUtils]: 6: Hoare triple {2719#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume true; {2719#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,894 INFO L273 TraceCheckUtils]: 7: Hoare triple {2719#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2726#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,895 INFO L273 TraceCheckUtils]: 8: Hoare triple {2726#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2730#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:50,896 INFO L273 TraceCheckUtils]: 9: Hoare triple {2730#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume true; {2730#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:50,898 INFO L273 TraceCheckUtils]: 10: Hoare triple {2730#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2737#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-18 22:15:50,903 INFO L273 TraceCheckUtils]: 11: Hoare triple {2737#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2741#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv2 32) main_~i~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,905 INFO L273 TraceCheckUtils]: 12: Hoare triple {2741#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv2 32) main_~i~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume true; {2741#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv2 32) main_~i~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,908 INFO L273 TraceCheckUtils]: 13: Hoare triple {2741#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv2 32) main_~i~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2748#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (_ bv0 32) |main_~#str1~0.offset|) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv2 32) main_~i~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,911 INFO L273 TraceCheckUtils]: 14: Hoare triple {2748#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (_ bv0 32) |main_~#str1~0.offset|) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= (_ bv2 32) main_~i~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2752#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} is VALID [2018-11-18 22:15:50,912 INFO L273 TraceCheckUtils]: 15: Hoare triple {2752#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} assume true; {2752#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} is VALID [2018-11-18 22:15:50,917 INFO L273 TraceCheckUtils]: 16: Hoare triple {2752#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2759#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))))) (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} is VALID [2018-11-18 22:15:50,921 INFO L273 TraceCheckUtils]: 17: Hoare triple {2759#(and (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))))) (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2763#(and (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv4 32) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967292 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,922 INFO L273 TraceCheckUtils]: 18: Hoare triple {2763#(and (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv4 32) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967292 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume true; {2763#(and (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv4 32) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967292 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,935 INFO L273 TraceCheckUtils]: 19: Hoare triple {2763#(and (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967293 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967295 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv4 32) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967292 32))) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv4294967294 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume !!~bvult32(~i~0, ~max~0);call write~intINTTYPE1(#t~nondet1, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);havoc #t~nondet1; {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,939 INFO L273 TraceCheckUtils]: 20: Hoare triple {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,941 INFO L273 TraceCheckUtils]: 21: Hoare triple {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume true; {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,946 INFO L273 TraceCheckUtils]: 22: Hoare triple {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume !~bvult32(~i~0, ~max~0); {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,958 INFO L273 TraceCheckUtils]: 23: Hoare triple {2770#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_22| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_22|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} call write~intINTTYPE1(0bv8, ~#str1~0.base, ~bvadd32(~#str1~0.offset, ~bvsub32(~max~0, 1bv32)), 1bv32);~j~0 := 0bv32;~i~0 := ~bvsub32(~max~0, 1bv32); {2783#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= main_~j~0 (_ bv0 32)) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~i~0 (_ bv1 32)) main_~max~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,963 INFO L273 TraceCheckUtils]: 24: Hoare triple {2783#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= main_~j~0 (_ bv0 32)) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~i~0 (_ bv1 32)) main_~max~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume true; {2783#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= main_~j~0 (_ bv0 32)) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~i~0 (_ bv1 32)) main_~max~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,972 INFO L273 TraceCheckUtils]: 25: Hoare triple {2783#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= main_~j~0 (_ bv0 32)) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~i~0 (_ bv1 32)) main_~max~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2790#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~j~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv1 32)) main_~max~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,976 INFO L273 TraceCheckUtils]: 26: Hoare triple {2790#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~j~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv1 32)) main_~max~0) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2794#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (bvadd main_~max~0 (_ bv4294967294 32)) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~j~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:50,981 INFO L273 TraceCheckUtils]: 27: Hoare triple {2794#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (bvadd main_~max~0 (_ bv4294967294 32)) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~j~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume true; {2794#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (bvadd main_~max~0 (_ bv4294967294 32)) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~j~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} is VALID [2018-11-18 22:15:51,003 INFO L273 TraceCheckUtils]: 28: Hoare triple {2794#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (bvadd main_~max~0 (_ bv4294967294 32)) main_~i~0) (= (_ bv0 32) |main_~#str2~0.offset|) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (bvadd main_~j~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2801#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~j~0 (_ bv4294967294 32)) (_ bv0 32)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (bvadd main_~max~0 (_ bv4294967294 32)) main_~i~0) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} is VALID [2018-11-18 22:15:51,033 INFO L273 TraceCheckUtils]: 29: Hoare triple {2801#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~j~0 (_ bv4294967294 32)) (_ bv0 32)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (bvadd main_~max~0 (_ bv4294967294 32)) main_~i~0) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2805#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (bvadd main_~i~0 (_ bv3 32)) main_~max~0) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~j~0 (_ bv4294967294 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:15:51,038 INFO L273 TraceCheckUtils]: 30: Hoare triple {2805#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (bvadd main_~i~0 (_ bv3 32)) main_~max~0) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~j~0 (_ bv4294967294 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} assume true; {2805#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (bvadd main_~i~0 (_ bv3 32)) main_~max~0) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~j~0 (_ bv4294967294 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:15:51,458 INFO L273 TraceCheckUtils]: 31: Hoare triple {2805#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (bvadd main_~i~0 (_ bv3 32)) main_~max~0) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (bvadd main_~j~0 (_ bv4294967294 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2812#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (bvadd main_~i~0 (_ bv3 32)) main_~max~0) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (bvadd main_~j~0 (_ bv4294967293 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} is VALID [2018-11-18 22:15:51,608 INFO L273 TraceCheckUtils]: 32: Hoare triple {2812#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (bvadd main_~i~0 (_ bv3 32)) main_~max~0) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (bvadd main_~j~0 (_ bv4294967293 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2816#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32)))))) (= (bvadd main_~j~0 (_ bv4294967293 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv3 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (bvadd main_~max~0 (_ bv4294967292 32)) main_~i~0) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:15:51,613 INFO L273 TraceCheckUtils]: 33: Hoare triple {2816#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32)))))) (= (bvadd main_~j~0 (_ bv4294967293 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv3 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (bvadd main_~max~0 (_ bv4294967292 32)) main_~i~0) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} assume true; {2816#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32)))))) (= (bvadd main_~j~0 (_ bv4294967293 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv3 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (bvadd main_~max~0 (_ bv4294967292 32)) main_~i~0) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} is VALID [2018-11-18 22:15:51,843 INFO L273 TraceCheckUtils]: 34: Hoare triple {2816#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32)))))) (= (bvadd main_~j~0 (_ bv4294967293 32)) (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv3 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (bvadd main_~max~0 (_ bv4294967292 32)) main_~i~0) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2823#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv3 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (= (bvadd main_~max~0 (_ bv4294967292 32)) main_~i~0) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967293 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32)))))) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} is VALID [2018-11-18 22:15:51,865 INFO L273 TraceCheckUtils]: 35: Hoare triple {2823#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0)))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32)))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv3 32))))) (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv1 32)))))) (= (bvadd main_~max~0 (_ bv4294967292 32)) main_~i~0) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967293 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~i~0 (_ bv2 32)))))) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2827#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967293 32)))) (= (bvadd main_~i~0 (_ bv5 32)) main_~max~0) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))))} is VALID [2018-11-18 22:15:51,873 INFO L273 TraceCheckUtils]: 36: Hoare triple {2827#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967293 32)))) (= (bvadd main_~i~0 (_ bv5 32)) main_~max~0) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))))} assume true; {2827#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967293 32)))) (= (bvadd main_~i~0 (_ bv5 32)) main_~max~0) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))))} is VALID [2018-11-18 22:15:52,006 INFO L273 TraceCheckUtils]: 37: Hoare triple {2827#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967294 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967293 32)))) (= (bvadd main_~i~0 (_ bv5 32)) main_~max~0) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| main_~j~0 (_ bv4294967295 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))))} assume !!~bvsge32(~i~0, 0bv32);call #t~mem3 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call write~intINTTYPE1(#t~mem3, ~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32);havoc #t~mem3;#t~post4 := ~j~0;~j~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} is VALID [2018-11-18 22:15:52,017 INFO L273 TraceCheckUtils]: 38: Hoare triple {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} #t~post2 := ~i~0;~i~0 := ~bvsub32(#t~post2, 1bv32);havoc #t~post2; {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} is VALID [2018-11-18 22:15:52,025 INFO L273 TraceCheckUtils]: 39: Hoare triple {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} assume true; {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} is VALID [2018-11-18 22:15:52,034 INFO L273 TraceCheckUtils]: 40: Hoare triple {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} assume !~bvsge32(~i~0, 0bv32); {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} is VALID [2018-11-18 22:15:52,038 INFO L273 TraceCheckUtils]: 41: Hoare triple {2834#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= (bvadd main_~max~0 (_ bv4294967291 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967291 32)))))) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967292 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967294 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32)))) (= (_ bv0 32) |main_~#str1~0.offset|) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967295 32))) ((_ sign_extend 24) (_ bv0 8))) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| main_~max~0 (_ bv4294967293 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))))} ~j~0 := ~bvsub32(~max~0, 1bv32);~i~0 := 0bv32; {2847#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32)))))) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))) ((_ sign_extend 24) (_ bv0 8))))} is VALID [2018-11-18 22:15:52,042 INFO L273 TraceCheckUtils]: 42: Hoare triple {2847#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32)))))) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))) ((_ sign_extend 24) (_ bv0 8))))} assume true; {2847#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32)))))) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))) ((_ sign_extend 24) (_ bv0 8))))} is VALID [2018-11-18 22:15:52,053 INFO L273 TraceCheckUtils]: 43: Hoare triple {2847#(and (exists ((|v_main_#t~nondet1_21| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_21|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv4 32)))) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv1 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv3 32)))))) (exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_18|) (select (select |#memory_int| |main_~#str1~0.base|) |main_~#str1~0.offset|))) (= (_ bv0 32) |main_~#str2~0.offset|) (= main_~i~0 (_ bv0 32)) (not (= |main_~#str1~0.base| |main_~#str2~0.base|)) (= (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv3 32))) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32)))))) (= (select (select |#memory_int| |main_~#str2~0.base|) |main_~#str2~0.offset|) ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32)))))) (exists ((|v_main_#t~nondet1_19| (_ BitVec 8))) (= ((_ sign_extend 24) |v_main_#t~nondet1_19|) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv1 32))))) (= (_ bv0 32) |main_~#str1~0.offset|) (= ((_ sign_extend 24) ((_ extract 7 0) (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))))) (select (select |#memory_int| |main_~#str2~0.base|) (bvadd |main_~#str2~0.offset| (_ bv2 32)))) (= (bvadd main_~j~0 (_ bv4294967292 32)) (_ bv0 32)) (exists ((|v_main_#t~nondet1_20| (_ BitVec 8))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv2 32))) ((_ sign_extend 24) |v_main_#t~nondet1_20|))) (= (select (select |#memory_int| |main_~#str1~0.base|) (bvadd |main_~#str1~0.offset| (_ bv4 32))) ((_ sign_extend 24) (_ bv0 8))))} assume !!~bvult32(~i~0, ~max~0);call #t~mem6 := read~intINTTYPE1(~#str1~0.base, ~bvadd32(~#str1~0.offset, ~i~0), 1bv32);call #t~mem7 := read~intINTTYPE1(~#str2~0.base, ~bvadd32(~#str2~0.offset, ~j~0), 1bv32); {2854#(exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (and (= |main_#t~mem6| ((_ extract 7 0) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= ((_ extract 7 0) ((_ sign_extend 24) ((_ extract 7 0) ((_ sign_extend 24) |v_main_#t~nondet1_18|)))) |main_#t~mem7|)))} is VALID [2018-11-18 22:15:52,054 INFO L256 TraceCheckUtils]: 44: Hoare triple {2854#(exists ((|v_main_#t~nondet1_18| (_ BitVec 8))) (and (= |main_#t~mem6| ((_ extract 7 0) ((_ sign_extend 24) |v_main_#t~nondet1_18|))) (= ((_ extract 7 0) ((_ sign_extend 24) ((_ extract 7 0) ((_ sign_extend 24) |v_main_#t~nondet1_18|)))) |main_#t~mem7|)))} call __VERIFIER_assert((if ~sign_extendFrom8To32(#t~mem6) == ~sign_extendFrom8To32(#t~mem7) then 1bv32 else 0bv32)); {2858#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:52,054 INFO L273 TraceCheckUtils]: 45: Hoare triple {2858#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {2862#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:15:52,055 INFO L273 TraceCheckUtils]: 46: Hoare triple {2862#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {2700#false} is VALID [2018-11-18 22:15:52,055 INFO L273 TraceCheckUtils]: 47: Hoare triple {2700#false} assume !false; {2700#false} is VALID [2018-11-18 22:15:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:15:52,098 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 22:16:04,707 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-18 22:16:08,888 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-11-18 22:16:19,685 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-11-18 22:16:31,299 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-11-18 22:16:41,323 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-11-18 22:17:00,760 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-11-18 22:17:21,281 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-11-18 22:17:55,477 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-11-18 22:18:28,215 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-11-18 22:19:04,456 WARN L180 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 85