/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 FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 00:09:13,659 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-28 00:09:13,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 00:09:13,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 00:09:13,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 00:09:13,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 00:09:13,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 00:09:13,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 00:09:13,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 00:09:13,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 00:09:13,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 00:09:13,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 00:09:13,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 00:09:13,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 00:09:13,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-28 00:09:13,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 00:09:13,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 00:09:13,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 00:09:13,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 00:09:13,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 00:09:13,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 00:09:13,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 00:09:13,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 00:09:13,815 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 00:09:13,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 00:09:13,816 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 00:09:13,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 00:09:13,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 00:09:13,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 00:09:13,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 00:09:13,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 00:09:13,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 00:09:13,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 00:09:13,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 00:09:13,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 00:09:13,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 00:09:13,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 00:09:13,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 00:09:13,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 00:09:13,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 00:09:13,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 00:09:13,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 00:09:13,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 00:09:13,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 00:09:13,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 00:09:13,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 00:09:13,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 00:09:13,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 00:09:13,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-28 00:09:14,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 00:09:14,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 00:09:14,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 00:09:14,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 00:09:14,393 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 00:09:14,394 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test13.c [2020-08-28 00:09:14,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ec92f12/adbd464b9ae74c00bce0134642a52870/FLAG8ed5de8df [2020-08-28 00:09:15,039 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 00:09:15,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test13.c [2020-08-28 00:09:15,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ec92f12/adbd464b9ae74c00bce0134642a52870/FLAG8ed5de8df [2020-08-28 00:09:15,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ec92f12/adbd464b9ae74c00bce0134642a52870 [2020-08-28 00:09:15,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 00:09:15,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 00:09:15,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 00:09:15,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 00:09:15,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 00:09:15,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa107a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15, skipping insertion in model container [2020-08-28 00:09:15,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 00:09:15,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 00:09:15,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 00:09:15,634 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 00:09:15,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 00:09:15,687 INFO L208 MainTranslator]: Completed translation [2020-08-28 00:09:15,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15 WrapperNode [2020-08-28 00:09:15,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 00:09:15,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 00:09:15,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 00:09:15,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 00:09:15,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... [2020-08-28 00:09:15,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 00:09:15,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 00:09:15,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 00:09:15,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 00:09:15,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-28 00:09:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 00:09:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 00:09:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-08-28 00:09:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 00:09:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 00:09:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-08-28 00:09:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 00:09:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 00:09:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 00:09:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 00:09:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 00:09:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 00:09:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 00:09:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 00:09:16,149 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 00:09:16,150 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-28 00:09:16,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 12:09:16 BoogieIcfgContainer [2020-08-28 00:09:16,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 00:09:16,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 00:09:16,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 00:09:16,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 00:09:16,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 12:09:15" (1/3) ... [2020-08-28 00:09:16,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359714e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 12:09:16, skipping insertion in model container [2020-08-28 00:09:16,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:09:15" (2/3) ... [2020-08-28 00:09:16,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359714e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 12:09:16, skipping insertion in model container [2020-08-28 00:09:16,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 12:09:16" (3/3) ... [2020-08-28 00:09:16,193 INFO L109 eAbstractionObserver]: Analyzing ICFG test13.c [2020-08-28 00:09:16,227 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 00:09:16,250 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 00:09:16,275 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 00:09:16,300 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 00:09:16,301 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 00:09:16,301 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 00:09:16,301 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 00:09:16,301 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 00:09:16,301 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 00:09:16,301 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 00:09:16,301 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 00:09:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-08-28 00:09:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-08-28 00:09:16,329 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 00:09:16,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-28 00:09:16,330 INFO L427 AbstractCegarLoop]: === Iteration 1 === [checkErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 00:09:16,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 00:09:16,337 INFO L82 PathProgramCache]: Analyzing trace with hash 562540648, now seen corresponding path program 1 times [2020-08-28 00:09:16,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 00:09:16,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225716356] [2020-08-28 00:09:16,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 00:09:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 00:09:16,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 00:09:16,485 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) 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.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-28 00:09:16,493 INFO L168 Benchmark]: Toolchain (without parser) took 1103.93 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 152.8 MB in the end (delta: -51.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-08-28 00:09:16,494 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 00:09:16,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.15 ms. Allocated memory is still 137.4 MB. Free memory was 100.9 MB in the beginning and 91.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-28 00:09:16,497 INFO L168 Benchmark]: Boogie Preprocessor took 107.75 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 91.2 MB in the beginning and 178.1 MB in the end (delta: -86.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-08-28 00:09:16,498 INFO L168 Benchmark]: RCFGBuilder took 358.72 ms. Allocated memory is still 199.8 MB. Free memory was 178.1 MB in the beginning and 164.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-08-28 00:09:16,502 INFO L168 Benchmark]: TraceAbstraction took 317.55 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 152.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-08-28 00:09:16,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.15 ms. Allocated memory is still 137.4 MB. Free memory was 100.9 MB in the beginning and 91.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.75 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 91.2 MB in the beginning and 178.1 MB in the end (delta: -86.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.72 ms. Allocated memory is still 199.8 MB. Free memory was 178.1 MB in the beginning and 164.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 317.55 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 152.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...