/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:56:10,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:56:10,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:56:10,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 03:56:10,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 03:56:10,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:56:10,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:56:10,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:56:10,660 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:56:10,660 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:56:10,661 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:56:10,661 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:56:10,661 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:56:10,661 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:56:10,661 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:56:10,662 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:56:10,663 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:56:10,663 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:56:10,663 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:56:10,664 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:56:10,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:56:10,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:56:10,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:56:10,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:56:10,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:56:10,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:56:10,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:56:10,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:56:10,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:56:10,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:56:10,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:56:10,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:56:10,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:56:10,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:56:10,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:56:10,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:56:10,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:56:10,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:56:10,670 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:56:10,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:56:10,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:56:10,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:56:10,671 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:56:10,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:56:10,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:56:10,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:56:10,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:56:10,971 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:56:10,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-11-24 03:56:11,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76406880/c100243a96c84d3a971e1e0a7f177d15/FLAGffc3d5c05 [2019-11-24 03:56:11,533 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:56:11,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-11-24 03:56:11,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76406880/c100243a96c84d3a971e1e0a7f177d15/FLAGffc3d5c05 [2019-11-24 03:56:11,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76406880/c100243a96c84d3a971e1e0a7f177d15 [2019-11-24 03:56:11,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:56:11,875 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:56:11,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:11,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:56:11,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:56:11,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:11" (1/1) ... [2019-11-24 03:56:11,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5381d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:11, skipping insertion in model container [2019-11-24 03:56:11,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:56:11" (1/1) ... [2019-11-24 03:56:11,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:56:11,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:56:12,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:12,376 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:56:12,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:56:12,524 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:56:12,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12 WrapperNode [2019-11-24 03:56:12,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:56:12,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:12,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:56:12,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:56:12,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:56:12,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:56:12,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:56:12,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:56:12,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (1/1) ... [2019-11-24 03:56:12,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:56:12,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:56:12,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:56:12,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:56:12,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (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 [2019-11-24 03:56:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:56:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:56:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:56:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:56:13,324 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:56:13,325 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-24 03:56:13,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:13 BoogieIcfgContainer [2019-11-24 03:56:13,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:56:13,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:56:13,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:56:13,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:56:13,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:56:11" (1/3) ... [2019-11-24 03:56:13,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b278a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:13, skipping insertion in model container [2019-11-24 03:56:13,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:56:12" (2/3) ... [2019-11-24 03:56:13,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b278a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:56:13, skipping insertion in model container [2019-11-24 03:56:13,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:56:13" (3/3) ... [2019-11-24 03:56:13,336 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2019-11-24 03:56:13,350 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:56:13,358 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-24 03:56:13,367 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-24 03:56:13,386 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:56:13,386 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:56:13,386 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:56:13,386 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:56:13,386 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:56:13,387 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:56:13,387 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:56:13,387 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:56:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-24 03:56:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-24 03:56:13,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:13,409 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-24 03:56:13,410 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:13,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash 138610, now seen corresponding path program 1 times [2019-11-24 03:56:13,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:13,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226647349] [2019-11-24 03:56:13,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:56:13,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226647349] [2019-11-24 03:56:13,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:13,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:56:13,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158497736] [2019-11-24 03:56:13,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:56:13,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:13,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:56:13,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:56:13,617 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2019-11-24 03:56:13,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:13,664 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2019-11-24 03:56:13,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:56:13,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-24 03:56:13,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:13,678 INFO L225 Difference]: With dead ends: 42 [2019-11-24 03:56:13,678 INFO L226 Difference]: Without dead ends: 17 [2019-11-24 03:56:13,685 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:56:13,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-24 03:56:13,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-24 03:56:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-24 03:56:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2019-11-24 03:56:13,734 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 3 [2019-11-24 03:56:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:13,734 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2019-11-24 03:56:13,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:56:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2019-11-24 03:56:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 03:56:13,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:13,736 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:56:13,736 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:13,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1166553543, now seen corresponding path program 1 times [2019-11-24 03:56:13,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:13,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941023838] [2019-11-24 03:56:13,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:56:13,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941023838] [2019-11-24 03:56:13,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:13,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:56:13,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109622740] [2019-11-24 03:56:13,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 03:56:13,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:13,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 03:56:13,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 03:56:13,894 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 4 states. [2019-11-24 03:56:13,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:13,943 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-11-24 03:56:13,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 03:56:13,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-24 03:56:13,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:13,944 INFO L225 Difference]: With dead ends: 17 [2019-11-24 03:56:13,944 INFO L226 Difference]: Without dead ends: 15 [2019-11-24 03:56:13,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 03:56:13,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-24 03:56:13,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-24 03:56:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-24 03:56:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-24 03:56:13,950 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 8 [2019-11-24 03:56:13,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:13,950 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-24 03:56:13,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 03:56:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-24 03:56:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 03:56:13,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:13,952 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:56:13,952 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:13,953 INFO L82 PathProgramCache]: Analyzing trace with hash 71509082, now seen corresponding path program 1 times [2019-11-24 03:56:13,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:13,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185861171] [2019-11-24 03:56:13,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:56:14,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185861171] [2019-11-24 03:56:14,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:14,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-24 03:56:14,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957718170] [2019-11-24 03:56:14,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-24 03:56:14,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:14,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-24 03:56:14,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-24 03:56:14,196 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 7 states. [2019-11-24 03:56:14,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:14,393 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-11-24 03:56:14,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-24 03:56:14,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2019-11-24 03:56:14,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:14,395 INFO L225 Difference]: With dead ends: 15 [2019-11-24 03:56:14,395 INFO L226 Difference]: Without dead ends: 13 [2019-11-24 03:56:14,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-24 03:56:14,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-24 03:56:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-24 03:56:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-24 03:56:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-24 03:56:14,400 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 10 [2019-11-24 03:56:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:14,400 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-24 03:56:14,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-24 03:56:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-24 03:56:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 03:56:14,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:56:14,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:56:14,401 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:56:14,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:56:14,402 INFO L82 PathProgramCache]: Analyzing trace with hash 755966, now seen corresponding path program 1 times [2019-11-24 03:56:14,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:56:14,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097104311] [2019-11-24 03:56:14,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:56:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:56:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:56:14,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097104311] [2019-11-24 03:56:14,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:56:14,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 03:56:14,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669876812] [2019-11-24 03:56:14,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 03:56:14,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:56:14,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 03:56:14,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-24 03:56:14,517 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 6 states. [2019-11-24 03:56:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:56:14,590 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-24 03:56:14,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 03:56:14,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-24 03:56:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:56:14,591 INFO L225 Difference]: With dead ends: 13 [2019-11-24 03:56:14,592 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 03:56:14,593 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-24 03:56:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 03:56:14,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 03:56:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 03:56:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 03:56:14,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-24 03:56:14,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:56:14,594 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 03:56:14,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 03:56:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 03:56:14,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 03:56:14,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 03:56:14,675 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,676 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,676 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 03:56:14,676 INFO L444 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2019-11-24 03:56:14,676 INFO L444 ceAbstractionStarter]: For program point L871-2(line 871) no Hoare annotation was computed. [2019-11-24 03:56:14,677 INFO L440 ceAbstractionStarter]: At program point L4(lines 1 917) the Hoare annotation is: (and (= ~elem~0.base 0) (= ULTIMATE.start___getMemory_~size 8) (= 0 ~guard_malloc_counter~0.base) (= ~elem~0.offset 0)) [2019-11-24 03:56:14,677 INFO L440 ceAbstractionStarter]: At program point L4-1(lines 1 917) the Hoare annotation is: (and (let ((.cse0 (= 0 ULTIMATE.start_main_~dev1~0.base))) (or (and .cse0 (= ULTIMATE.start_main_~dev1~0.offset 0)) (and .cse0 (= ULTIMATE.start_main_~dev1~0.offset ~guard_malloc_counter~0.offset)))) (= ~elem~0.base 0) (= ULTIMATE.start___getMemory_~size 8) (= 0 ~guard_malloc_counter~0.base) (= ~elem~0.offset 0)) [2019-11-24 03:56:14,677 INFO L444 ceAbstractionStarter]: For program point L4-2(lines 1 917) no Hoare annotation was computed. [2019-11-24 03:56:14,677 INFO L444 ceAbstractionStarter]: For program point L4-3(lines 1 917) no Hoare annotation was computed. [2019-11-24 03:56:14,677 INFO L444 ceAbstractionStarter]: For program point L4-4(lines 1 917) no Hoare annotation was computed. [2019-11-24 03:56:14,678 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,678 INFO L444 ceAbstractionStarter]: For program point L906(lines 906 915) no Hoare annotation was computed. [2019-11-24 03:56:14,678 INFO L440 ceAbstractionStarter]: At program point L906-1(lines 906 915) the Hoare annotation is: (= ULTIMATE.start___getMemory_~size 8) [2019-11-24 03:56:14,678 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,680 INFO L444 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,680 INFO L444 ceAbstractionStarter]: For program point L6-2(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,680 INFO L444 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,680 INFO L444 ceAbstractionStarter]: For program point L6-4(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,681 INFO L444 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-11-24 03:56:14,681 INFO L444 ceAbstractionStarter]: For program point L890-2(line 890) no Hoare annotation was computed. [2019-11-24 03:56:14,681 INFO L444 ceAbstractionStarter]: For program point L890-4(line 890) no Hoare annotation was computed. [2019-11-24 03:56:14,681 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,681 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 03:56:14,681 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-24 03:56:14,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 03:56:14 BoogieIcfgContainer [2019-11-24 03:56:14,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 03:56:14,712 INFO L168 Benchmark]: Toolchain (without parser) took 2835.15 ms. Allocated memory was 140.0 MB in the beginning and 235.4 MB in the end (delta: 95.4 MB). Free memory was 101.0 MB in the beginning and 137.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 59.0 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:14,714 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 03:56:14,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.17 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 167.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:14,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.83 ms. Allocated memory is still 202.9 MB. Free memory was 167.4 MB in the beginning and 165.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:14,720 INFO L168 Benchmark]: Boogie Preprocessor took 44.81 ms. Allocated memory is still 202.9 MB. Free memory was 165.5 MB in the beginning and 163.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:14,725 INFO L168 Benchmark]: RCFGBuilder took 700.76 ms. Allocated memory is still 202.9 MB. Free memory was 163.5 MB in the beginning and 125.5 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:14,726 INFO L168 Benchmark]: TraceAbstraction took 1380.66 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 124.8 MB in the beginning and 137.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-11-24 03:56:14,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.17 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 167.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.83 ms. Allocated memory is still 202.9 MB. Free memory was 167.4 MB in the beginning and 165.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.81 ms. Allocated memory is still 202.9 MB. Free memory was 165.5 MB in the beginning and 163.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 700.76 ms. Allocated memory is still 202.9 MB. Free memory was 163.5 MB in the beginning and 125.5 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1380.66 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 124.8 MB in the beginning and 137.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: size == 8 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0 == dev1 && dev1 == 0) || (0 == dev1 && dev1 == guard_malloc_counter)) && elem == 0) && size == 8) && 0 == guard_malloc_counter) && elem == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((elem == 0 && size == 8) && 0 == guard_malloc_counter) && elem == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 5 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 41 SDtfs, 31 SDslu, 30 SDs, 0 SdLazy, 66 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 44 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...