/usr/bin/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 -i ../../../trunk/examples/svcomp/ldv-regression/structure_assignment.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:10:25,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:10:25,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:10:25,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 21:10:25,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:10:25,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:10:25,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:10:25,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:10:25,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:10:25,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:10:25,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:10:25,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:10:25,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:10:25,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:10:25,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:10:25,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:10:25,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:10:25,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:10:25,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:10:25,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:10:25,475 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 [2019-11-06 21:10:25,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:10:25,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:10:25,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:10:25,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:10:25,499 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:10:25,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:10:25,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:10:25,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:10:25,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:10:25,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:10:25,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:10:25,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:10:25,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:10:25,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:10:25,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:10:25,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:10:25,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:10:25,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:10:25,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:10:25,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:10:25,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:10:25,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:10:25,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:10:25,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:10:25,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:10:25,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:10:25,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:10:25,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:10:25,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:10:25,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:10:25,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:10:25,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:10:25,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:10:25,805 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:10:25,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/structure_assignment.i [2019-11-06 21:10:25,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d539e91e2/819051231cd74c6b8a1c65a7ed9ce37f/FLAG5dc04e513 [2019-11-06 21:10:26,332 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:10:26,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/structure_assignment.i [2019-11-06 21:10:26,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d539e91e2/819051231cd74c6b8a1c65a7ed9ce37f/FLAG5dc04e513 [2019-11-06 21:10:26,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d539e91e2/819051231cd74c6b8a1c65a7ed9ce37f [2019-11-06 21:10:26,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:10:26,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:10:26,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:26,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:10:26,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:10:26,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:26,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c36b6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26, skipping insertion in model container [2019-11-06 21:10:26,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:26,749 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:10:26,767 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:10:26,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:26,935 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:10:26,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:26,972 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:10:26,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26 WrapperNode [2019-11-06 21:10:26,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:26,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:10:26,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:10:26,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:10:27,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:27,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:27,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:27,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:27,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:27,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:27,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (1/1) ... [2019-11-06 21:10:27,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:10:27,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:10:27,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:10:27,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:10:27,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (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 [2019-11-06 21:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-11-06 21:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:10:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:10:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-11-06 21:10:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:10:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:10:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:10:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:10:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:10:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:10:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:10:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:10:27,355 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:10:27,355 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:10:27,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:27 BoogieIcfgContainer [2019-11-06 21:10:27,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:10:27,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:10:27,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:10:27,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:10:27,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:10:26" (1/3) ... [2019-11-06 21:10:27,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ebf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:27, skipping insertion in model container [2019-11-06 21:10:27,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:26" (2/3) ... [2019-11-06 21:10:27,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ebf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:27, skipping insertion in model container [2019-11-06 21:10:27,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:27" (3/3) ... [2019-11-06 21:10:27,381 INFO L109 eAbstractionObserver]: Analyzing ICFG structure_assignment.i [2019-11-06 21:10:27,401 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:10:27,409 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:10:27,425 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:10:27,448 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:10:27,449 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:10:27,449 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:10:27,449 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:10:27,449 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:10:27,449 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:10:27,449 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:10:27,450 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:10:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-06 21:10:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-06 21:10:27,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:27,471 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:27,472 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:27,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:27,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2019-11-06 21:10:27,483 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:27,484 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742724906] [2019-11-06 21:10:27,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:10:27,712 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742724906] [2019-11-06 21:10:27,714 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:10:27,715 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 21:10:27,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050633105] [2019-11-06 21:10:27,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 21:10:27,724 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:10:27,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 21:10:27,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 21:10:27,747 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2019-11-06 21:10:27,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:10:27,829 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-06 21:10:27,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-06 21:10:27,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-06 21:10:27,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:10:27,839 INFO L225 Difference]: With dead ends: 22 [2019-11-06 21:10:27,840 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:10:27,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 21:10:27,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:10:27,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:10:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:10:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:10:27,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-11-06 21:10:27,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:10:27,879 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:10:27,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 21:10:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:10:27,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:10:27,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:10:27,967 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:27,968 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-11-06 21:10:27,969 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:27,969 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-06 21:10:27,969 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 7 10) no Hoare annotation was computed. [2019-11-06 21:10:27,969 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 7 10) no Hoare annotation was computed. [2019-11-06 21:10:27,970 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 7 10) the Hoare annotation is: true [2019-11-06 21:10:27,970 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:10:27,970 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:10:27,970 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:10:27,970 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:10:27,971 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 19 26) the Hoare annotation is: (= |#valid| |old(#valid)|) [2019-11-06 21:10:27,971 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 19 26) no Hoare annotation was computed. [2019-11-06 21:10:27,971 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 19 26) no Hoare annotation was computed. [2019-11-06 21:10:27,971 INFO L443 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-06 21:10:27,972 INFO L439 ceAbstractionStarter]: At program point L24-2(line 24) the Hoare annotation is: false [2019-11-06 21:10:27,972 INFO L443 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2019-11-06 21:10:27,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:10:27 BoogieIcfgContainer [2019-11-06 21:10:27,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:10:27,979 INFO L168 Benchmark]: Toolchain (without parser) took 1245.98 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 102.3 MB in the beginning and 143.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:27,980 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:10:27,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.10 ms. Allocated memory is still 145.8 MB. Free memory was 102.1 MB in the beginning and 92.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:27,982 INFO L168 Benchmark]: Boogie Preprocessor took 128.26 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 92.5 MB in the beginning and 182.7 MB in the end (delta: -90.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:27,983 INFO L168 Benchmark]: RCFGBuilder took 254.35 ms. Allocated memory is still 204.5 MB. Free memory was 182.7 MB in the beginning and 171.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:27,984 INFO L168 Benchmark]: TraceAbstraction took 609.53 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 143.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:27,988 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.10 ms. Allocated memory is still 145.8 MB. Free memory was 102.1 MB in the beginning and 92.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.26 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 92.5 MB in the beginning and 182.7 MB in the end (delta: -90.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.35 ms. Allocated memory is still 204.5 MB. Free memory was 182.7 MB in the beginning and 171.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 609.53 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 143.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 1 SDslu, 11 SDs, 0 SdLazy, 10 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 17 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...