java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-tiling/mlceu.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:38:53,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:38:53,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:38:53,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:38:53,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:38:53,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:38:53,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:38:53,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:38:53,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:38:53,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:38:53,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:38:53,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:38:53,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:38:53,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:38:53,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:38:53,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:38:53,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:38:53,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:38:53,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:38:53,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:38:53,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:38:53,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:38:53,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:38:53,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:38:53,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:38:53,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:38:53,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:38:53,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:38:53,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:38:53,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:38:53,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:38:53,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:38:53,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:38:53,812 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:38:53,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:38:53,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:38:53,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:38:53,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:38:53,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:38:53,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:38:53,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:38:53,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:38:53,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:38:53,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:38:53,815 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:38:53,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:38:53,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:38:53,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:38:53,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:38:53,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:38:53,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:38:53,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:38:53,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:38:53,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:38:53,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:38:53,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:38:53,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:38:53,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 21:38:54,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:38:54,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:38:54,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:38:54,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:38:54,161 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:38:54,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/mlceu.c [2019-10-13 21:38:54,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0e10902/28aff225d27943c39238703c14f7424a/FLAGd7a07ddee [2019-10-13 21:38:54,690 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:38:54,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/mlceu.c [2019-10-13 21:38:54,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0e10902/28aff225d27943c39238703c14f7424a/FLAGd7a07ddee [2019-10-13 21:38:55,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0e10902/28aff225d27943c39238703c14f7424a [2019-10-13 21:38:55,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:38:55,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:38:55,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:38:55,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:38:55,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:38:55,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4f7f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55, skipping insertion in model container [2019-10-13 21:38:55,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,103 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:38:55,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:38:55,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:38:55,320 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:38:55,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:38:55,350 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:38:55,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55 WrapperNode [2019-10-13 21:38:55,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:38:55,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:38:55,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:38:55,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:38:55,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... [2019-10-13 21:38:55,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:38:55,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:38:55,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:38:55,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:38:55,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:38:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:38:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:38:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 21:38:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:38:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:38:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:38:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 21:38:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:38:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:38:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:38:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:38:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:38:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:38:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:38:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:38:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:38:55,875 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:38:55,875 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 21:38:55,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:38:55 BoogieIcfgContainer [2019-10-13 21:38:55,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:38:55,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:38:55,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:38:55,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:38:55,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:38:55" (1/3) ... [2019-10-13 21:38:55,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66271023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:38:55, skipping insertion in model container [2019-10-13 21:38:55,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:55" (2/3) ... [2019-10-13 21:38:55,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66271023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:38:55, skipping insertion in model container [2019-10-13 21:38:55,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:38:55" (3/3) ... [2019-10-13 21:38:55,885 INFO L109 eAbstractionObserver]: Analyzing ICFG mlceu.c [2019-10-13 21:38:55,894 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:38:55,902 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:38:55,913 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:38:55,938 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:38:55,938 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:38:55,939 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:38:55,939 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:38:55,939 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:38:55,939 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:38:55,939 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:38:55,939 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:38:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-13 21:38:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-13 21:38:55,967 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:55,968 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:55,969 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:55,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1161728312, now seen corresponding path program 1 times [2019-10-13 21:38:55,981 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:55,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960017825] [2019-10-13 21:38:55,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:55,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:55,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:56,171 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960017825] [2019-10-13 21:38:56,171 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:38:56,172 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:38:56,172 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641615320] [2019-10-13 21:38:56,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:38:56,177 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:38:56,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:38:56,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:38:56,195 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2019-10-13 21:38:56,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:38:56,250 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2019-10-13 21:38:56,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:38:56,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-13 21:38:56,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:38:56,259 INFO L225 Difference]: With dead ends: 34 [2019-10-13 21:38:56,259 INFO L226 Difference]: Without dead ends: 17 [2019-10-13 21:38:56,262 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:38:56,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-10-13 21:38:56,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-10-13 21:38:56,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-10-13 21:38:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-10-13 21:38:56,301 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2019-10-13 21:38:56,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:38:56,302 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-10-13 21:38:56,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:38:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-10-13 21:38:56,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-13 21:38:56,303 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:56,303 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:56,304 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:56,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:56,304 INFO L82 PathProgramCache]: Analyzing trace with hash 941325065, now seen corresponding path program 1 times [2019-10-13 21:38:56,304 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:56,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208178317] [2019-10-13 21:38:56,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:56,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:56,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:56,379 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208178317] [2019-10-13 21:38:56,379 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915596676] [2019-10-13 21:38:56,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:56,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:38:56,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:56,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:56,536 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:56,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [643475017] [2019-10-13 21:38:56,609 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-13 21:38:56,609 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:38:56,616 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:38:56,625 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:38:56,626 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:38:56,852 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:38:57,181 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:38:57,372 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2019-10-13 21:38:57,393 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:38:57,409 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:38:57,410 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:38:57,411 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 102#(and (exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:57,412 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 111#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:38:57,412 INFO L193 IcfgInterpreter]: Reachable states at location L34 satisfy 87#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:38:57,413 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:38:57,413 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 97#(and (exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:57,415 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 77#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:38:57,416 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:38:57,416 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:38:57,417 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 116#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:38:57,418 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 107#(and (exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:57,419 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:38:57,420 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 82#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:38:57,421 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 92#(exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0)) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1) 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:38:57,958 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2019-10-13 21:38:58,254 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:38:58,255 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 11] total 18 [2019-10-13 21:38:58,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186265481] [2019-10-13 21:38:58,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-13 21:38:58,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:38:58,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-13 21:38:58,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2019-10-13 21:38:58,262 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 18 states. [2019-10-13 21:38:58,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:38:58,862 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2019-10-13 21:38:58,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:38:58,863 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 13 [2019-10-13 21:38:58,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:38:58,864 INFO L225 Difference]: With dead ends: 36 [2019-10-13 21:38:58,864 INFO L226 Difference]: Without dead ends: 27 [2019-10-13 21:38:58,865 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:38:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-13 21:38:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2019-10-13 21:38:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-13 21:38:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-10-13 21:38:58,872 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-10-13 21:38:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:38:58,872 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-10-13 21:38:58,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-13 21:38:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-10-13 21:38:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 21:38:58,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:58,873 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:59,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:59,079 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1596208296, now seen corresponding path program 2 times [2019-10-13 21:38:59,081 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:59,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876422858] [2019-10-13 21:38:59,081 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:59,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:59,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:59,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876422858] [2019-10-13 21:38:59,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921429281] [2019-10-13 21:38:59,348 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:59,423 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-13 21:38:59,424 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:38:59,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2019-10-13 21:38:59,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:59,636 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:59,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [363699579] [2019-10-13 21:38:59,843 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-13 21:38:59,844 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:38:59,844 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:38:59,844 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:38:59,844 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:38:59,902 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:39:00,070 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:00,173 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2019-10-13 21:39:00,185 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:00,193 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:00,193 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:00,194 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 89#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:00,194 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 98#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:00,194 INFO L193 IcfgInterpreter]: Reachable states at location L34 satisfy 74#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:00,195 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:00,195 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 84#(and (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:00,195 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 64#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:00,196 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:00,196 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:00,196 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 103#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:00,197 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 94#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:00,197 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:00,197 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 69#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:00,197 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 79#(exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2) 0)) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:01,182 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:01,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9, 11] total 31 [2019-10-13 21:39:01,182 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916916615] [2019-10-13 21:39:01,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-13 21:39:01,184 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:01,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-13 21:39:01,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=814, Unknown=0, NotChecked=0, Total=930 [2019-10-13 21:39:01,185 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 31 states. [2019-10-13 21:39:02,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:02,481 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-10-13 21:39:02,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-13 21:39:02,481 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 14 [2019-10-13 21:39:02,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:02,483 INFO L225 Difference]: With dead ends: 30 [2019-10-13 21:39:02,484 INFO L226 Difference]: Without dead ends: 28 [2019-10-13 21:39:02,485 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=250, Invalid=1642, Unknown=0, NotChecked=0, Total=1892 [2019-10-13 21:39:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-13 21:39:02,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-10-13 21:39:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-13 21:39:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-10-13 21:39:02,498 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 14 [2019-10-13 21:39:02,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:02,498 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-10-13 21:39:02,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-13 21:39:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-10-13 21:39:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 21:39:02,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:02,500 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:02,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:02,710 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:02,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:02,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1737888264, now seen corresponding path program 1 times [2019-10-13 21:39:02,711 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:02,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128764745] [2019-10-13 21:39:02,711 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:02,711 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:02,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:02,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128764745] [2019-10-13 21:39:02,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670765166] [2019-10-13 21:39:02,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:02,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:39:02,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:02,958 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:03,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [550575733] [2019-10-13 21:39:03,006 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:03,007 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:03,009 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:03,009 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:03,009 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:03,057 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:39:03,180 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:03,568 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:03,579 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:03,584 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:03,584 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:03,585 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 178#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_9 Int) (v_main_~a~0.base_BEFORE_CALL_9 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:03,585 INFO L193 IcfgInterpreter]: Reachable states at location L34-1 satisfy 154#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (= 0 |main_#t~mem5|) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= |main_#t~mem5| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:03,585 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 187#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:03,586 INFO L193 IcfgInterpreter]: Reachable states at location L34 satisfy 141#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:03,586 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 173#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_9 Int) (v_main_~a~0.base_BEFORE_CALL_9 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:03,586 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 168#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_9 Int) (v_main_~a~0.base_BEFORE_CALL_9 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:03,586 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:03,587 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 163#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_9 Int) (v_main_~a~0.base_BEFORE_CALL_9 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:03,587 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 64#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:03,587 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:03,587 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:03,588 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 192#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:03,588 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 183#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_9 Int) (v_main_~a~0.base_BEFORE_CALL_9 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:03,588 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:03,589 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 136#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:03,589 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 158#(exists ((v_main_~a~0.offset_BEFORE_CALL_9 Int) (v_main_~a~0.base_BEFORE_CALL_9 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_9 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_9) (+ v_main_~a~0.offset_BEFORE_CALL_9 (* v_main_~i~0_BEFORE_CALL_13 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_9) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:04,499 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:04,499 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8, 12] total 26 [2019-10-13 21:39:04,500 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528255131] [2019-10-13 21:39:04,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-13 21:39:04,501 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:04,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-13 21:39:04,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2019-10-13 21:39:04,502 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 26 states. [2019-10-13 21:39:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:06,303 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2019-10-13 21:39:06,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-13 21:39:06,304 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 28 [2019-10-13 21:39:06,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:06,305 INFO L225 Difference]: With dead ends: 52 [2019-10-13 21:39:06,306 INFO L226 Difference]: Without dead ends: 32 [2019-10-13 21:39:06,308 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 60 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=354, Invalid=2096, Unknown=0, NotChecked=0, Total=2450 [2019-10-13 21:39:06,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-13 21:39:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2019-10-13 21:39:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-13 21:39:06,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2019-10-13 21:39:06,317 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 28 [2019-10-13 21:39:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:06,318 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2019-10-13 21:39:06,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-13 21:39:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2019-10-13 21:39:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 21:39:06,319 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:06,319 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:06,523 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:06,523 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:06,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:06,524 INFO L82 PathProgramCache]: Analyzing trace with hash -922544695, now seen corresponding path program 2 times [2019-10-13 21:39:06,525 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:06,525 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627332381] [2019-10-13 21:39:06,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:06,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:06,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:06,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627332381] [2019-10-13 21:39:06,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051148352] [2019-10-13 21:39:06,689 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:06,769 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-13 21:39:06,769 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:39:06,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 26 conjunts are in the unsatisfiable core [2019-10-13 21:39:06,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:06,878 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:39:07,351 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:07,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [553853841] [2019-10-13 21:39:07,818 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:07,819 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:07,819 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:07,819 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:07,820 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:07,853 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-13 21:39:07,926 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:08,164 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:08,174 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:08,178 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:08,178 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:08,178 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 178#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_26 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4))))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:08,179 INFO L193 IcfgInterpreter]: Reachable states at location L34-1 satisfy 154#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (= 0 |main_#t~mem5|) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= |main_#t~mem5| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:08,179 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 187#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:08,179 INFO L193 IcfgInterpreter]: Reachable states at location L34 satisfy 141#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:08,179 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 173#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_26 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4))))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:08,180 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 168#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_26 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4))))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:08,180 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:08,180 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 163#(and (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_26 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4))))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:08,180 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 64#(and (or (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0)) (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:08,181 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:08,181 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:08,181 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 192#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:08,181 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 183#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_26 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4))))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:08,182 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:08,182 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 136#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:08,182 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 158#(exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_26 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4))))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_26) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_26 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_26 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:09,511 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:09,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 12, 12] total 44 [2019-10-13 21:39:09,511 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54747828] [2019-10-13 21:39:09,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-10-13 21:39:09,513 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:09,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-10-13 21:39:09,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1692, Unknown=0, NotChecked=0, Total=1892 [2019-10-13 21:39:09,515 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 44 states. [2019-10-13 21:39:15,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:15,163 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2019-10-13 21:39:15,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-10-13 21:39:15,164 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 29 [2019-10-13 21:39:15,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:15,165 INFO L225 Difference]: With dead ends: 70 [2019-10-13 21:39:15,165 INFO L226 Difference]: Without dead ends: 37 [2019-10-13 21:39:15,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 52 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2027 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1003, Invalid=7007, Unknown=0, NotChecked=0, Total=8010 [2019-10-13 21:39:15,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-13 21:39:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2019-10-13 21:39:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-13 21:39:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2019-10-13 21:39:15,181 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 29 [2019-10-13 21:39:15,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:15,181 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2019-10-13 21:39:15,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-10-13 21:39:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-10-13 21:39:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 21:39:15,183 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:15,183 INFO L380 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:15,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:15,388 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:15,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:15,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1289388554, now seen corresponding path program 3 times [2019-10-13 21:39:15,389 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:15,389 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310095751] [2019-10-13 21:39:15,389 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:15,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:15,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:39:15,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310095751] [2019-10-13 21:39:15,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095782008] [2019-10-13 21:39:15,676 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:15,762 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-13 21:39:15,762 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:39:15,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 37 conjunts are in the unsatisfiable core [2019-10-13 21:39:15,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:39:16,435 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 29 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:39:16,758 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1136504920] [2019-10-13 21:39:16,759 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:16,760 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:16,760 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:16,760 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:16,760 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:16,790 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:39:16,925 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:17,216 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:17,227 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:17,232 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:17,232 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:17,233 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 191#(and (<= __VERIFIER_assert_~cond 0) (exists ((v_main_~a~0.offset_BEFORE_CALL_37 Int) (v_main_~i~0_BEFORE_CALL_41 Int) (v_main_~a~0.base_BEFORE_CALL_37 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4))))) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4)))) (<= 100000 ~MAX~0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:17,233 INFO L193 IcfgInterpreter]: Reachable states at location L34-1 satisfy 167#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (= 0 |main_#t~mem5|) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= |main_#t~mem5| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:17,233 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 200#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:17,233 INFO L193 IcfgInterpreter]: Reachable states at location L34 satisfy 154#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:17,234 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 186#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~a~0.offset_BEFORE_CALL_37 Int) (v_main_~i~0_BEFORE_CALL_41 Int) (v_main_~a~0.base_BEFORE_CALL_37 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4))))) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4)))) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:17,234 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 181#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~a~0.offset_BEFORE_CALL_37 Int) (v_main_~i~0_BEFORE_CALL_41 Int) (v_main_~a~0.base_BEFORE_CALL_37 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4))))) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4)))) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:17,234 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:17,234 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 176#(and (exists ((v_main_~a~0.offset_BEFORE_CALL_37 Int) (v_main_~i~0_BEFORE_CALL_41 Int) (v_main_~a~0.base_BEFORE_CALL_37 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4))))) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4)))) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:17,235 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 77#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:17,235 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:17,235 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:17,235 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 205#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:17,236 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 196#(and (<= __VERIFIER_assert_~cond 0) (exists ((v_main_~a~0.offset_BEFORE_CALL_37 Int) (v_main_~i~0_BEFORE_CALL_41 Int) (v_main_~a~0.base_BEFORE_CALL_37 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4))))) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4)))) (<= 100000 ~MAX~0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:17,236 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:17,236 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 149#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:17,236 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 171#(exists ((v_main_~a~0.offset_BEFORE_CALL_37 Int) (v_main_~i~0_BEFORE_CALL_41 Int) (v_main_~a~0.base_BEFORE_CALL_37 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4))))) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_41) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_41 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_37) (<= v_main_~a~0.offset_BEFORE_CALL_37 0) (= |#NULL.offset| 0) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_37) (+ v_main_~a~0.offset_BEFORE_CALL_37 (* v_main_~i~0_BEFORE_CALL_41 4)))) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:18,762 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:18,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 15, 12] total 49 [2019-10-13 21:39:18,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932305391] [2019-10-13 21:39:18,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states [2019-10-13 21:39:18,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:18,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2019-10-13 21:39:18,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2160, Unknown=0, NotChecked=0, Total=2352 [2019-10-13 21:39:18,765 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 49 states. [2019-10-13 21:39:23,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:23,437 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2019-10-13 21:39:23,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-13 21:39:23,437 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 38 [2019-10-13 21:39:23,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:23,438 INFO L225 Difference]: With dead ends: 46 [2019-10-13 21:39:23,439 INFO L226 Difference]: Without dead ends: 44 [2019-10-13 21:39:23,441 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 75 SyntacticMatches, 9 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=595, Invalid=5104, Unknown=1, NotChecked=0, Total=5700 [2019-10-13 21:39:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-13 21:39:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2019-10-13 21:39:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-13 21:39:23,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-10-13 21:39:23,460 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 38 [2019-10-13 21:39:23,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:23,460 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2019-10-13 21:39:23,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 49 states. [2019-10-13 21:39:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2019-10-13 21:39:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:39:23,462 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:23,462 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:23,662 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:23,663 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:23,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:23,664 INFO L82 PathProgramCache]: Analyzing trace with hash -402520790, now seen corresponding path program 4 times [2019-10-13 21:39:23,664 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:23,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47874381] [2019-10-13 21:39:23,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:23,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:23,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 37 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 21:39:23,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47874381] [2019-10-13 21:39:23,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515776508] [2019-10-13 21:39:23,795 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:23,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-13 21:39:23,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 21:39:24,023 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 21:39:24,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1312327679] [2019-10-13 21:39:24,094 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:24,094 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:24,094 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:24,094 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:24,095 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:24,118 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-13 21:39:24,186 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:24,404 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:24,417 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:24,420 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:24,420 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:24,420 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 178#(and (<= __VERIFIER_assert_~cond 0) (exists ((v_main_~i~0_BEFORE_CALL_60 Int) (v_main_~a~0.offset_BEFORE_CALL_46 Int) (v_main_~a~0.base_BEFORE_CALL_46 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46)))) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46))) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:24,421 INFO L193 IcfgInterpreter]: Reachable states at location L34-1 satisfy 154#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (= 0 |main_#t~mem5|) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= |main_#t~mem5| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:24,421 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 187#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:24,421 INFO L193 IcfgInterpreter]: Reachable states at location L34 satisfy 141#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:24,421 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 173#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~i~0_BEFORE_CALL_60 Int) (v_main_~a~0.offset_BEFORE_CALL_46 Int) (v_main_~a~0.base_BEFORE_CALL_46 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46)))) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46))) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:24,421 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 168#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~i~0_BEFORE_CALL_60 Int) (v_main_~a~0.offset_BEFORE_CALL_46 Int) (v_main_~a~0.base_BEFORE_CALL_46 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46)))) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46))) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:24,421 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:24,422 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 163#(and (exists ((v_main_~i~0_BEFORE_CALL_60 Int) (v_main_~a~0.offset_BEFORE_CALL_46 Int) (v_main_~a~0.base_BEFORE_CALL_46 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46)))) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46))) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:24,422 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 64#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:24,422 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:24,422 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:24,423 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 192#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:24,423 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 183#(and (<= __VERIFIER_assert_~cond 0) (exists ((v_main_~i~0_BEFORE_CALL_60 Int) (v_main_~a~0.offset_BEFORE_CALL_46 Int) (v_main_~a~0.base_BEFORE_CALL_46 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46)))) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46))) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:24,423 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:24,423 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 136#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:24,423 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 158#(exists ((v_main_~i~0_BEFORE_CALL_60 Int) (v_main_~a~0.offset_BEFORE_CALL_46 Int) (v_main_~a~0.base_BEFORE_CALL_46 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46)))) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_46) (+ (* v_main_~i~0_BEFORE_CALL_60 4) v_main_~a~0.offset_BEFORE_CALL_46))) (<= v_main_~a~0.offset_BEFORE_CALL_46 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_60) (< v_main_~i~0_BEFORE_CALL_60 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_46) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:25,493 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:25,493 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14, 12] total 35 [2019-10-13 21:39:25,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220086153] [2019-10-13 21:39:25,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-13 21:39:25,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:25,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-13 21:39:25,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1020, Unknown=0, NotChecked=0, Total=1190 [2019-10-13 21:39:25,496 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 35 states. [2019-10-13 21:39:28,212 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2019-10-13 21:39:29,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:29,448 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2019-10-13 21:39:29,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-10-13 21:39:29,448 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 52 [2019-10-13 21:39:29,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:29,449 INFO L225 Difference]: With dead ends: 79 [2019-10-13 21:39:29,449 INFO L226 Difference]: Without dead ends: 46 [2019-10-13 21:39:29,452 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 120 SyntacticMatches, 16 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2128 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=860, Invalid=4991, Unknown=1, NotChecked=0, Total=5852 [2019-10-13 21:39:29,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-13 21:39:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-10-13 21:39:29,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-10-13 21:39:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2019-10-13 21:39:29,463 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 52 [2019-10-13 21:39:29,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:29,463 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2019-10-13 21:39:29,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-10-13 21:39:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2019-10-13 21:39:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:39:29,465 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:29,465 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:29,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:29,669 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:29,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:29,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1690634747, now seen corresponding path program 5 times [2019-10-13 21:39:29,670 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:29,670 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820801572] [2019-10-13 21:39:29,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:29,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:29,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 10 proven. 61 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 21:39:30,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820801572] [2019-10-13 21:39:30,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700198095] [2019-10-13 21:39:30,040 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:30,172 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-10-13 21:39:30,173 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:39:30,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-13 21:39:30,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:30,319 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 35 proven. 36 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 21:39:31,825 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 40 proven. 31 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 21:39:32,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [706061022] [2019-10-13 21:39:32,863 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:32,863 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:32,863 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:32,864 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:32,864 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:32,886 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-13 21:39:32,966 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:32,970 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:33,021 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 21:39:33,263 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:33,276 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:33,279 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:33,279 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:33,280 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 193#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.base_BEFORE_CALL_65 Int) (v_main_~a~0.offset_BEFORE_CALL_65 Int) (v_main_~i~0_BEFORE_CALL_79 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4))))) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:33,280 INFO L193 IcfgInterpreter]: Reachable states at location L34-1 satisfy 169#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (= 0 |main_#t~mem5|) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= |main_#t~mem5| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:33,280 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 202#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:33,280 INFO L193 IcfgInterpreter]: Reachable states at location L34 satisfy 156#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:33,281 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 188#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.base_BEFORE_CALL_65 Int) (v_main_~a~0.offset_BEFORE_CALL_65 Int) (v_main_~i~0_BEFORE_CALL_79 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4))))) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:33,281 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 183#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.base_BEFORE_CALL_65 Int) (v_main_~a~0.offset_BEFORE_CALL_65 Int) (v_main_~i~0_BEFORE_CALL_79 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4))))) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:33,281 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:33,281 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 178#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.base_BEFORE_CALL_65 Int) (v_main_~a~0.offset_BEFORE_CALL_65 Int) (v_main_~i~0_BEFORE_CALL_79 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4))))) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:33,281 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 79#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (= |#NULL.offset| 0))) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:33,282 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:33,282 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:33,282 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 207#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:33,282 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 198#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.base_BEFORE_CALL_65 Int) (v_main_~a~0.offset_BEFORE_CALL_65 Int) (v_main_~i~0_BEFORE_CALL_79 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4))))) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))) [2019-10-13 21:39:33,282 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:33,283 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 151#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:33,283 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 173#(exists ((v_main_~a~0.base_BEFORE_CALL_65 Int) (v_main_~a~0.offset_BEFORE_CALL_65 Int) (v_main_~i~0_BEFORE_CALL_79 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_79) (<= v_main_~a~0.offset_BEFORE_CALL_65 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_65) (not (= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_65) (+ v_main_~a~0.offset_BEFORE_CALL_65 (* v_main_~i~0_BEFORE_CALL_79 4))))) (< v_main_~i~0_BEFORE_CALL_79 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0))))