/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.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:46:59,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:46:59,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:46:59,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 05:46:59,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:46:59,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:46:59,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:46:59,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:46:59,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:46:59,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:46:59,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:46:59,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:46:59,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:46:59,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:46:59,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:46:59,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:46:59,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:47:00,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:47:00,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:47:00,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:47:00,007 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 [2020-07-20 05:47:00,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:47:00,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:47:00,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:47:00,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:47:00,024 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:47:00,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:47:00,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:47:00,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:47:00,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:47:00,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:47:00,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:47:00,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:47:00,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:47:00,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:47:00,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:47:00,026 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:47:00,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:47:00,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:47:00,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:47:00,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:47:00,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:47:00,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:47:00,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:47:00,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:47:00,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:47:00,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:47:00,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:47:00,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:47:00,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:47:00,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:47:00,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:47:00,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:47:00,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:47:00,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:47:00,326 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:47:00,327 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-1.c [2020-07-20 05:47:00,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df09e299d/c6088a9bb5a046908e33d4f308d1f354/FLAGe41cb46c3 [2020-07-20 05:47:00,819 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:47:00,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-1.c [2020-07-20 05:47:00,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df09e299d/c6088a9bb5a046908e33d4f308d1f354/FLAGe41cb46c3 [2020-07-20 05:47:01,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df09e299d/c6088a9bb5a046908e33d4f308d1f354 [2020-07-20 05:47:01,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:47:01,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:47:01,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:47:01,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:47:01,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:47:01,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bcc2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01, skipping insertion in model container [2020-07-20 05:47:01,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:47:01,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:47:01,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:47:01,505 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:47:01,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:47:01,544 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:47:01,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01 WrapperNode [2020-07-20 05:47:01,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:47:01,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:47:01,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:47:01,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:47:01,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (1/1) ... [2020-07-20 05:47:01,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:47:01,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:47:01,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:47:01,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:47:01,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (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 [2020-07-20 05:47:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:47:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:47:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-20 05:47:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:47:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:47:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-20 05:47:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 05:47:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 05:47:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:47:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:47:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 05:47:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 05:47:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:47:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 05:47:01,955 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:47:01,956 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 05:47:01,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:47:01 BoogieIcfgContainer [2020-07-20 05:47:01,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:47:01,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:47:01,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:47:01,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:47:01,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:47:01" (1/3) ... [2020-07-20 05:47:01,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d90968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:47:01, skipping insertion in model container [2020-07-20 05:47:01,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:47:01" (2/3) ... [2020-07-20 05:47:01,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d90968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:47:01, skipping insertion in model container [2020-07-20 05:47:01,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:47:01" (3/3) ... [2020-07-20 05:47:01,971 INFO L109 eAbstractionObserver]: Analyzing ICFG test26-1.c [2020-07-20 05:47:01,992 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:47:02,015 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:47:02,051 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:47:02,121 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:47:02,121 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:47:02,122 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:47:02,122 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:47:02,122 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:47:02,122 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:47:02,123 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:47:02,123 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:47:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-20 05:47:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-20 05:47:02,168 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:47:02,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:47:02,169 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:47:02,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:47:02,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2020-07-20 05:47:02,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:47:02,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889959353] [2020-07-20 05:47:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20220812 [2020-07-20 05:47:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:47:02,383 ERROR L253 erpolLogProxyWrapper]: Interpolant 2 not inductive [2020-07-20 05:47:02,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:47:02,404 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) [2020-07-20 05:47:02,410 INFO L168 Benchmark]: Toolchain (without parser) took 1175.83 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 152.1 MB in the end (delta: -49.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:47:02,412 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 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. [2020-07-20 05:47:02,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.96 ms. Allocated memory is still 144.2 MB. Free memory was 101.9 MB in the beginning and 92.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:47:02,415 INFO L168 Benchmark]: Boogie Preprocessor took 135.82 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 179.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:47:02,416 INFO L168 Benchmark]: RCFGBuilder took 278.46 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 166.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-07-20 05:47:02,417 INFO L168 Benchmark]: TraceAbstraction took 444.84 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 152.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-07-20 05:47:02,424 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 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 309.96 ms. Allocated memory is still 144.2 MB. Free memory was 101.9 MB in the beginning and 92.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.82 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 179.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 278.46 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 166.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 444.84 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 152.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 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...