/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:15:35,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:15:35,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:15:35,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 22:15:35,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 22:15:35,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 22:15:35,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 22:15:35,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 22:15:35,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 22:15:35,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 22:15:35,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 22:15:35,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 22:15:35,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 22:15:35,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 22:15:35,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 22:15:35,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 22:15:35,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 22:15:35,069 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 [2019-11-23 22:15:35,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:15:35,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:15:35,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:15:35,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:15:35,087 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:15:35,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:15:35,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:15:35,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:15:35,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:15:35,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:15:35,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:15:35,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:15:35,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:15:35,089 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:15:35,089 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:15:35,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:15:35,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:15:35,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:15:35,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:15:35,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:15:35,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:15:35,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:15:35,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:15:35,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:15:35,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:15:35,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:15:35,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:15:35,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:15:35,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:15:35,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:15:35,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:15:35,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:15:35,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:15:35,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:15:35,416 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:15:35,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2019-11-23 22:15:35,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2a5405a/d781b17292114c9089db58e5e98ef92d/FLAG004234221 [2019-11-23 22:15:36,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:15:36,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2019-11-23 22:15:36,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2a5405a/d781b17292114c9089db58e5e98ef92d/FLAG004234221 [2019-11-23 22:15:36,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2a5405a/d781b17292114c9089db58e5e98ef92d [2019-11-23 22:15:36,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:15:36,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:15:36,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:15:36,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:15:36,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:15:36,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325620fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36, skipping insertion in model container [2019-11-23 22:15:36,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:15:36,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:15:36,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:15:36,646 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:15:36,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:15:36,681 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:15:36,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36 WrapperNode [2019-11-23 22:15:36,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:15:36,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:15:36,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:15:36,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:15:36,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:15:36,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:15:36,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:15:36,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:15:36,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (1/1) ... [2019-11-23 22:15:36,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:15:36,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:15:36,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:15:36,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:15:36,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (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 [2019-11-23 22:15:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:15:36,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:15:37,080 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:15:37,080 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 22:15:37,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:15:37 BoogieIcfgContainer [2019-11-23 22:15:37,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:15:37,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:15:37,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:15:37,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:15:37,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:15:36" (1/3) ... [2019-11-23 22:15:37,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c83c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:15:37, skipping insertion in model container [2019-11-23 22:15:37,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:15:36" (2/3) ... [2019-11-23 22:15:37,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c83c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:15:37, skipping insertion in model container [2019-11-23 22:15:37,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:15:37" (3/3) ... [2019-11-23 22:15:37,090 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2019-11-23 22:15:37,101 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:15:37,108 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 22:15:37,121 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 22:15:37,151 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:15:37,151 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:15:37,151 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:15:37,151 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:15:37,152 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:15:37,152 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:15:37,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:15:37,152 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:15:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-23 22:15:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-23 22:15:37,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:15:37,182 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-23 22:15:37,182 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:15:37,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:15:37,192 INFO L82 PathProgramCache]: Analyzing trace with hash 30108868, now seen corresponding path program 1 times [2019-11-23 22:15:37,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:15:37,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443021398] [2019-11-23 22:15:37,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:15:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:15:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:15:37,331 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443021398] [2019-11-23 22:15:37,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:15:37,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 22:15:37,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768781909] [2019-11-23 22:15:37,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-23 22:15:37,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:15:37,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-23 22:15:37,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-23 22:15:37,357 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2019-11-23 22:15:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:15:37,376 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2019-11-23 22:15:37,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-23 22:15:37,378 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-11-23 22:15:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:15:37,388 INFO L225 Difference]: With dead ends: 19 [2019-11-23 22:15:37,389 INFO L226 Difference]: Without dead ends: 7 [2019-11-23 22:15:37,392 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-23 22:15:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-23 22:15:37,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-23 22:15:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-23 22:15:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-11-23 22:15:37,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2019-11-23 22:15:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:15:37,433 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-11-23 22:15:37,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-23 22:15:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-23 22:15:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-23 22:15:37,434 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:15:37,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-23 22:15:37,435 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:15:37,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:15:37,435 INFO L82 PathProgramCache]: Analyzing trace with hash 29810958, now seen corresponding path program 1 times [2019-11-23 22:15:37,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:15:37,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761819243] [2019-11-23 22:15:37,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:15:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-23 22:15:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-23 22:15:37,483 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-23 22:15:37,484 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-23 22:15:37,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:15:37 BoogieIcfgContainer [2019-11-23 22:15:37,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 22:15:37,509 INFO L168 Benchmark]: Toolchain (without parser) took 1092.33 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.5 MB in the beginning and 147.2 MB in the end (delta: -45.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-23 22:15:37,509 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 22:15:37,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.92 ms. Allocated memory is still 144.7 MB. Free memory was 101.5 MB in the beginning and 92.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-23 22:15:37,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.03 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 92.0 MB in the beginning and 180.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-11-23 22:15:37,513 INFO L168 Benchmark]: Boogie Preprocessor took 18.34 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 179.1 MB in the end (delta: 956.6 kB). Peak memory consumption was 956.6 kB. Max. memory is 7.1 GB. [2019-11-23 22:15:37,514 INFO L168 Benchmark]: RCFGBuilder took 262.45 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 167.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-11-23 22:15:37,514 INFO L168 Benchmark]: TraceAbstraction took 422.08 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 147.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-11-23 22:15:37,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.92 ms. Allocated memory is still 144.7 MB. Free memory was 101.5 MB in the beginning and 92.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 118.03 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 92.0 MB in the beginning and 180.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.34 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 179.1 MB in the end (delta: 956.6 kB). Peak memory consumption was 956.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 262.45 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 167.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 422.08 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 147.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int x=__VERIFIER_nondet_int(); [L15] int y=__VERIFIER_nondet_int(); [L16] int z=__VERIFIER_nondet_int(); [L18] COND FALSE !(x<100 && 100