/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:47:25,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:47:25,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:47:25,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:47:25,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:47:25,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:47:25,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:47:25,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:47:25,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:47:25,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:47:25,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:47:25,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:47:25,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:47:25,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:47:25,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:47:25,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:47:25,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:47:25,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:47:25,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:47:25,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:47:25,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:47:25,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:47:25,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:47:25,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:47:25,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:47:25,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:47:25,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:47:25,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:47:25,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:47:25,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:47:25,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:47:25,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:47:25,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:47:25,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:47:25,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:47:25,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:47:25,785 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 [2020-07-19 21:47:25,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:47:25,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:47:25,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:47:25,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:47:25,826 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:47:25,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:47:25,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:47:25,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:47:25,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:47:25,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:47:25,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:47:25,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:47:25,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:47:25,827 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:47:25,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:47:25,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:47:25,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:47:25,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:47:25,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:47:25,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:47:25,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:47:25,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:47:25,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:47:25,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:47:25,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:47:25,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:47:25,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:47:25,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:47:25,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:47:25,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:47:26,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:47:26,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:47:26,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:47:26,139 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:47:26,141 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:47:26,142 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2020-07-19 21:47:26,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71db4e620/5f654d75826243c5a6e9c308b30a2f38/FLAG365aab1e6 [2020-07-19 21:47:26,679 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:47:26,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2020-07-19 21:47:26,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71db4e620/5f654d75826243c5a6e9c308b30a2f38/FLAG365aab1e6 [2020-07-19 21:47:27,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71db4e620/5f654d75826243c5a6e9c308b30a2f38 [2020-07-19 21:47:27,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:47:27,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:47:27,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:47:27,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:47:27,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:47:27,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c00943f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27, skipping insertion in model container [2020-07-19 21:47:27,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:47:27,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:47:27,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:47:27,337 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:47:27,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:47:27,368 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:47:27,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27 WrapperNode [2020-07-19 21:47:27,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:47:27,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:47:27,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:47:27,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:47:27,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (1/1) ... [2020-07-19 21:47:27,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:47:27,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:47:27,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:47:27,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:47:27,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (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 [2020-07-19 21:47:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:47:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:47:27,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:47:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:47:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:47:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-19 21:47:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:47:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:47:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:47:27,761 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:47:27,761 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-19 21:47:27,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:47:27 BoogieIcfgContainer [2020-07-19 21:47:27,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:47:27,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:47:27,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:47:27,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:47:27,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:47:27" (1/3) ... [2020-07-19 21:47:27,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e654d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:47:27, skipping insertion in model container [2020-07-19 21:47:27,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:47:27" (2/3) ... [2020-07-19 21:47:27,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e654d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:47:27, skipping insertion in model container [2020-07-19 21:47:27,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:47:27" (3/3) ... [2020-07-19 21:47:27,771 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+cfa-reducer.c [2020-07-19 21:47:27,781 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:47:27,788 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:47:27,800 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:47:27,822 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:47:27,822 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:47:27,822 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:47:27,823 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:47:27,823 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:47:27,823 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:47:27,823 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:47:27,823 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:47:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-19 21:47:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-19 21:47:27,846 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:47:27,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:47:27,847 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:47:27,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:47:27,852 INFO L82 PathProgramCache]: Analyzing trace with hash 964689295, now seen corresponding path program 1 times [2020-07-19 21:47:27,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:47:27,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341051878] [2020-07-19 21:47:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a268f29 [2020-07-19 21:47:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:47:27,981 ERROR L253 erpolLogProxyWrapper]: Interpolant 2 not inductive [2020-07-19 21:47:27,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:47:27,984 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-19 21:47:27,989 INFO L168 Benchmark]: Toolchain (without parser) took 889.91 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 154.4 MB in the end (delta: -52.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:47:27,990 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:47:27,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.54 ms. Allocated memory is still 137.4 MB. Free memory was 101.7 MB in the beginning and 91.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:47:27,992 INFO L168 Benchmark]: Boogie Preprocessor took 109.57 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.9 MB in the beginning and 179.3 MB in the end (delta: -87.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:47:27,993 INFO L168 Benchmark]: RCFGBuilder took 286.12 ms. Allocated memory is still 200.8 MB. Free memory was 179.3 MB in the beginning and 167.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:47:27,994 INFO L168 Benchmark]: TraceAbstraction took 220.70 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 154.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:47:27,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.54 ms. Allocated memory is still 137.4 MB. Free memory was 101.7 MB in the beginning and 91.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.57 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.9 MB in the beginning and 179.3 MB in the end (delta: -87.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 286.12 ms. Allocated memory is still 200.8 MB. Free memory was 179.3 MB in the beginning and 167.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 220.70 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 154.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...