/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Addition03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:13:27,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:13:27,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:13:27,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:13:27,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:13:27,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:13:27,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:13:27,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:13:27,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:13:27,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:13:27,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:13:27,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:13:27,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:13:27,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:13:27,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:13:27,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:13:27,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:13:27,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:13:27,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:13:27,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:13:27,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:13:27,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:13:27,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:13:27,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:13:27,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:13:27,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:13:27,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:13:27,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:13:27,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:13:27,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:13:27,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:13:27,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:13:27,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:13:27,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:13:27,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:13:27,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:13:27,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:13:27,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:13:27,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:13:27,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:13:27,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:13:27,992 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 [2020-10-12 18:13:28,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:13:28,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:13:28,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:13:28,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:13:28,048 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:13:28,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:13:28,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:13:28,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:13:28,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:13:28,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:13:28,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:13:28,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:13:28,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:13:28,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:13:28,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:13:28,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:13:28,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:13:28,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:13:28,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:13:28,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:13:28,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:13:28,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:13:28,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:13:28,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:13:28,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:13:28,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:13:28,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:13:28,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:13:28,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:13:28,054 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:13:28,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:13:28,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:13:28,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:13:28,426 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:13:28,428 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:13:28,428 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Addition03-1.c [2020-10-12 18:13:28,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0926a97ad/4bbeffd0bf4641578f7ba5d2918bd3ab/FLAG5f82359b6 [2020-10-12 18:13:28,957 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:13:28,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Addition03-1.c [2020-10-12 18:13:28,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0926a97ad/4bbeffd0bf4641578f7ba5d2918bd3ab/FLAG5f82359b6 [2020-10-12 18:13:29,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0926a97ad/4bbeffd0bf4641578f7ba5d2918bd3ab [2020-10-12 18:13:29,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:13:29,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:13:29,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:13:29,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:13:29,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:13:29,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f80c2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29, skipping insertion in model container [2020-10-12 18:13:29,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:13:29,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:13:29,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:13:29,538 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:13:29,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:13:29,571 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:13:29,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29 WrapperNode [2020-10-12 18:13:29,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:13:29,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:13:29,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:13:29,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:13:29,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (1/1) ... [2020-10-12 18:13:29,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:13:29,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:13:29,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:13:29,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:13:29,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (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 [2020-10-12 18:13:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:13:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:13:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-10-12 18:13:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:13:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:13:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:13:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-10-12 18:13:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:13:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:13:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:13:29,945 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:13:29,945 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 18:13:29,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:13:29 BoogieIcfgContainer [2020-10-12 18:13:29,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:13:29,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:13:29,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:13:29,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:13:29,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:13:29" (1/3) ... [2020-10-12 18:13:29,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4523bd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:13:29, skipping insertion in model container [2020-10-12 18:13:29,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:13:29" (2/3) ... [2020-10-12 18:13:29,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4523bd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:13:29, skipping insertion in model container [2020-10-12 18:13:29,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:13:29" (3/3) ... [2020-10-12 18:13:29,958 INFO L109 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2020-10-12 18:13:29,968 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:13:29,979 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:13:29,992 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:13:30,016 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:13:30,016 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:13:30,017 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:13:30,017 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:13:30,017 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:13:30,017 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:13:30,017 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:13:30,017 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:13:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-12 18:13:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 18:13:30,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:30,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:30,047 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:30,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:30,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1540493149, now seen corresponding path program 1 times [2020-10-12 18:13:30,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:30,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418770219] [2020-10-12 18:13:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:30,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:30,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 18:13:30,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:30,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-12 18:13:30,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:13:30,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:30,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:13:30,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 18:13:30,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:30,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:30,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:30,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:30,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:13:30,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:30,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:30,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:30,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:30,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:30,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:30,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 18:13:30,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:13:30,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:30,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:30,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:13:30,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418770219] [2020-10-12 18:13:30,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:13:30,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:13:30,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237406499] [2020-10-12 18:13:30,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:13:30,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:30,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:13:30,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:13:30,596 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-10-12 18:13:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:30,707 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2020-10-12 18:13:30,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:13:30,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-12 18:13:30,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:30,719 INFO L225 Difference]: With dead ends: 36 [2020-10-12 18:13:30,720 INFO L226 Difference]: Without dead ends: 22 [2020-10-12 18:13:30,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:13:30,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-12 18:13:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-12 18:13:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-12 18:13:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-10-12 18:13:30,766 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 13 [2020-10-12 18:13:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:30,767 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-12 18:13:30,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:13:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-10-12 18:13:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-12 18:13:30,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:30,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:30,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:13:30,771 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:30,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1700112874, now seen corresponding path program 1 times [2020-10-12 18:13:30,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:30,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106129022] [2020-10-12 18:13:30,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:30,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:30,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:30,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:30,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 18:13:30,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:13:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-12 18:13:30,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:13:30,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:13:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 18:13:30,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:30,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:30,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:30,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:30,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:30,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:13:30,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:30,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:30,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:30,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:13:31,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:13:31,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-12 18:13:31,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:13:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:31,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 18:13:31,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:13:31,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106129022] [2020-10-12 18:13:31,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:13:31,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:13:31,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325573247] [2020-10-12 18:13:31,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:13:31,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:31,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:13:31,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:13:31,140 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand 5 states. [2020-10-12 18:13:31,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:31,247 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2020-10-12 18:13:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:13:31,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-12 18:13:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:31,250 INFO L225 Difference]: With dead ends: 28 [2020-10-12 18:13:31,250 INFO L226 Difference]: Without dead ends: 24 [2020-10-12 18:13:31,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:13:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-12 18:13:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-10-12 18:13:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-12 18:13:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-10-12 18:13:31,261 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 15 [2020-10-12 18:13:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:31,261 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-12 18:13:31,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:13:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-10-12 18:13:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 18:13:31,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:31,263 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:31,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:13:31,264 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:31,264 INFO L82 PathProgramCache]: Analyzing trace with hash -35294164, now seen corresponding path program 1 times [2020-10-12 18:13:31,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:31,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502610187] [2020-10-12 18:13:31,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 18:13:31,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:31,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 18:13:31,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:13:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 18:13:31,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:31,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:31,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:31,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:31,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:31,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:31,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:13:31,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:13:31,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:31,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:31,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:31,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:13:31,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:31,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 18:13:31,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502610187] [2020-10-12 18:13:31,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:31,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 18:13:31,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311486084] [2020-10-12 18:13:31,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 18:13:31,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:31,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 18:13:31,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:13:31,487 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand 6 states. [2020-10-12 18:13:31,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:31,568 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2020-10-12 18:13:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 18:13:31,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-12 18:13:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:31,571 INFO L225 Difference]: With dead ends: 31 [2020-10-12 18:13:31,571 INFO L226 Difference]: Without dead ends: 27 [2020-10-12 18:13:31,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:13:31,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-12 18:13:31,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2020-10-12 18:13:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-12 18:13:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2020-10-12 18:13:31,580 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 20 [2020-10-12 18:13:31,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:31,580 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2020-10-12 18:13:31,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 18:13:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2020-10-12 18:13:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-12 18:13:31,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:31,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:31,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:13:31,583 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:31,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:31,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1700381293, now seen corresponding path program 1 times [2020-10-12 18:13:31,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:31,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116922088] [2020-10-12 18:13:31,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 18:13:31,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:13:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 18:13:31,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:13:31,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:31,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 18:13:31,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:31,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:31,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:31,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 18:13:31,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:13:31,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 18:13:31,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:13:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 18:13:31,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:31,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:31,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:13:31,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:13:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:13:31,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 18:13:31,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 18:13:31,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116922088] [2020-10-12 18:13:31,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:31,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 18:13:31,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978640355] [2020-10-12 18:13:31,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 18:13:31,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:31,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 18:13:31,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:13:31,864 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand 6 states. [2020-10-12 18:13:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:31,945 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-10-12 18:13:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 18:13:31,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-12 18:13:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:31,947 INFO L225 Difference]: With dead ends: 34 [2020-10-12 18:13:31,948 INFO L226 Difference]: Without dead ends: 30 [2020-10-12 18:13:31,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:13:31,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-12 18:13:31,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2020-10-12 18:13:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-12 18:13:31,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2020-10-12 18:13:31,957 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 22 [2020-10-12 18:13:31,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:31,957 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2020-10-12 18:13:31,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 18:13:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2020-10-12 18:13:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-12 18:13:31,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:31,959 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:31,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:13:31,960 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:31,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:31,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1261456781, now seen corresponding path program 2 times [2020-10-12 18:13:31,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:31,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328552106] [2020-10-12 18:13:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:31,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 18:13:32,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 18:13:32,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:13:32,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 18:13:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:32,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:32,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:32,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:32,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:32,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:32,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:32,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:32,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 18:13:32,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:13:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:32,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:32,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:13:32,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:32,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:32,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:32,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:32,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:13:32,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:32,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:32,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:32,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 18:13:32,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328552106] [2020-10-12 18:13:32,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:32,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 18:13:32,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731880307] [2020-10-12 18:13:32,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:13:32,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:32,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:13:32,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:13:32,259 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand 8 states. [2020-10-12 18:13:32,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:32,406 INFO L93 Difference]: Finished difference Result 48 states and 67 transitions. [2020-10-12 18:13:32,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:13:32,406 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-12 18:13:32,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:32,408 INFO L225 Difference]: With dead ends: 48 [2020-10-12 18:13:32,409 INFO L226 Difference]: Without dead ends: 44 [2020-10-12 18:13:32,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:13:32,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-12 18:13:32,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2020-10-12 18:13:32,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-12 18:13:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 59 transitions. [2020-10-12 18:13:32,421 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 59 transitions. Word has length 27 [2020-10-12 18:13:32,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:32,421 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 59 transitions. [2020-10-12 18:13:32,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:13:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2020-10-12 18:13:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 18:13:32,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:32,423 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:32,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:13:32,424 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:32,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:32,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1414312724, now seen corresponding path program 2 times [2020-10-12 18:13:32,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:32,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135663377] [2020-10-12 18:13:32,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 18:13:32,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:13:32,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-12 18:13:32,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:13:32,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 18:13:32,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:13:32,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:32,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:32,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:32,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:32,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:32,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:32,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:32,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 18:13:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:13:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 18:13:32,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:13:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 18:13:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:13:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:32,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:32,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:32,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 18:13:32,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:13:32,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-12 18:13:32,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:13:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:13:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 18:13:32,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:32,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:32,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:13:33,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:13:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:13:33,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:13:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 18:13:33,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 18:13:33,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135663377] [2020-10-12 18:13:33,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:33,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 18:13:33,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687620104] [2020-10-12 18:13:33,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:13:33,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:33,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:13:33,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:13:33,075 INFO L87 Difference]: Start difference. First operand 41 states and 59 transitions. Second operand 8 states. [2020-10-12 18:13:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:33,145 INFO L93 Difference]: Finished difference Result 60 states and 84 transitions. [2020-10-12 18:13:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 18:13:33,145 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-12 18:13:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:33,146 INFO L225 Difference]: With dead ends: 60 [2020-10-12 18:13:33,147 INFO L226 Difference]: Without dead ends: 25 [2020-10-12 18:13:33,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-12 18:13:33,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-12 18:13:33,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-12 18:13:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-12 18:13:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-10-12 18:13:33,153 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 29 [2020-10-12 18:13:33,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:33,153 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-10-12 18:13:33,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:13:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-10-12 18:13:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-12 18:13:33,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:33,155 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:33,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:13:33,155 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:33,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:33,156 INFO L82 PathProgramCache]: Analyzing trace with hash 2131329174, now seen corresponding path program 3 times [2020-10-12 18:13:33,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:33,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928214102] [2020-10-12 18:13:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 18:13:33,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 18:13:33,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:13:33,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:33,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 18:13:33,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:33,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:33,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:13:33,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:33,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:33,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 18:13:33,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:13:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:33,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:33,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:33,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:33,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 18:13:33,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:33,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:33,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:33,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:33,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:33,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 18:13:33,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:33,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:33,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:13:33,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 18:13:33,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928214102] [2020-10-12 18:13:33,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:33,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:13:33,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408548463] [2020-10-12 18:13:33,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:13:33,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:33,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:13:33,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:13:33,608 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 9 states. [2020-10-12 18:13:33,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:33,700 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2020-10-12 18:13:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 18:13:33,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2020-10-12 18:13:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:33,702 INFO L225 Difference]: With dead ends: 32 [2020-10-12 18:13:33,702 INFO L226 Difference]: Without dead ends: 28 [2020-10-12 18:13:33,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:13:33,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-12 18:13:33,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-12 18:13:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-12 18:13:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-10-12 18:13:33,713 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 34 [2020-10-12 18:13:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:33,713 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-10-12 18:13:33,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:13:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-10-12 18:13:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 18:13:33,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:33,719 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:33,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:13:33,720 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash -867295607, now seen corresponding path program 4 times [2020-10-12 18:13:33,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:33,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043894064] [2020-10-12 18:13:33,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:13:33,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 18:13:33,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:13:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 18:13:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:33,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:33,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:33,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:33,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:33,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:33,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:33,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:33,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:34,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 18:13:34,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:13:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:34,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:34,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:34,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-12 18:13:34,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:34,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:34,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:34,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 18:13:34,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:34,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:34,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:13:34,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:34,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:34,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 18:13:34,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:34,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-12 18:13:34,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043894064] [2020-10-12 18:13:34,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:34,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 18:13:34,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902679724] [2020-10-12 18:13:34,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 18:13:34,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:34,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 18:13:34,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-12 18:13:34,407 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 10 states. [2020-10-12 18:13:34,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:34,511 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-10-12 18:13:34,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:13:34,511 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-10-12 18:13:34,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:34,512 INFO L225 Difference]: With dead ends: 35 [2020-10-12 18:13:34,513 INFO L226 Difference]: Without dead ends: 31 [2020-10-12 18:13:34,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:13:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-12 18:13:34,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-12 18:13:34,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-12 18:13:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-10-12 18:13:34,519 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 41 [2020-10-12 18:13:34,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:34,519 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-10-12 18:13:34,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 18:13:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-10-12 18:13:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-12 18:13:34,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:34,521 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:34,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:13:34,521 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:34,522 INFO L82 PathProgramCache]: Analyzing trace with hash -943688704, now seen corresponding path program 5 times [2020-10-12 18:13:34,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:34,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555597615] [2020-10-12 18:13:34,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 18:13:34,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-12 18:13:34,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:13:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 18:13:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:34,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:34,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:34,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:34,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:34,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:34,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:34,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-12 18:13:34,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:13:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:34,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:35,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:35,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:35,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:35,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-12 18:13:35,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:35,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:35,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:35,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:35,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:35,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:35,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:35,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:35,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-12 18:13:35,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:35,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:35,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:35,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 18:13:35,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:35,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:35,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:35,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:35,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:35,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:13:35,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:35,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:35,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:35,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:35,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:35,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:35,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:13:35,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:35,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 18:13:35,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555597615] [2020-10-12 18:13:35,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:35,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:13:35,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10907991] [2020-10-12 18:13:35,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:13:35,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:35,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:13:35,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:13:35,429 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 11 states. [2020-10-12 18:13:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:35,540 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2020-10-12 18:13:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:13:35,541 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-10-12 18:13:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:35,543 INFO L225 Difference]: With dead ends: 38 [2020-10-12 18:13:35,543 INFO L226 Difference]: Without dead ends: 34 [2020-10-12 18:13:35,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:13:35,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-12 18:13:35,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-12 18:13:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-12 18:13:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-12 18:13:35,548 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 48 [2020-10-12 18:13:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:35,549 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-12 18:13:35,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:13:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-12 18:13:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-12 18:13:35,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:35,550 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:35,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 18:13:35,551 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:35,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:35,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1959654303, now seen corresponding path program 6 times [2020-10-12 18:13:35,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:35,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277188796] [2020-10-12 18:13:35,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:35,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:35,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:13:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-12 18:13:35,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:13:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 18:13:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:35,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:35,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:35,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:35,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:35,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:35,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:35,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:35,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:36,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:36,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:36,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-12 18:13:36,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:36,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:13:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:36,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:36,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:36,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:36,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:36,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-12 18:13:36,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:36,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:36,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:36,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:36,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:36,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:36,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:36,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:36,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 18:13:36,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:36,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:36,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:36,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:36,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:36,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:36,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:36,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:36,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 18:13:36,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:36,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:36,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:36,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:36,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:36,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:36,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 18:13:36,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:36,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:36,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:36,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:36,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:36,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:36,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:36,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:13:36,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:36,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:36,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:36,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:36,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:36,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:36,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:36,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:36,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:13:36,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:36,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 18:13:36,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277188796] [2020-10-12 18:13:36,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:36,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:13:36,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797033386] [2020-10-12 18:13:36,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:13:36,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:36,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:13:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:13:36,720 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 12 states. [2020-10-12 18:13:36,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:36,854 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2020-10-12 18:13:36,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:13:36,855 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2020-10-12 18:13:36,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:36,856 INFO L225 Difference]: With dead ends: 41 [2020-10-12 18:13:36,856 INFO L226 Difference]: Without dead ends: 37 [2020-10-12 18:13:36,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:13:36,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-12 18:13:36,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-12 18:13:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-12 18:13:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-10-12 18:13:36,862 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 55 [2020-10-12 18:13:36,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:36,862 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-10-12 18:13:36,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:13:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-10-12 18:13:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-12 18:13:36,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:36,864 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:36,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 18:13:36,864 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:36,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:36,865 INFO L82 PathProgramCache]: Analyzing trace with hash 75083370, now seen corresponding path program 7 times [2020-10-12 18:13:36,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:36,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997984694] [2020-10-12 18:13:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:36,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:37,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:37,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 18:13:37,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-12 18:13:37,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:13:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:37,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 18:13:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:37,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:37,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:37,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:37,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:37,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:37,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:37,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:37,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:37,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:37,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:37,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:13:37,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:37,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-12 18:13:37,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:13:37,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:37,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:13:37,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:37,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:37,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:37,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:37,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:37,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:37,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-12 18:13:37,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:13:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:37,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:37,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:37,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:37,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:37,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:37,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:37,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:37,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 18:13:37,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:37,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:37,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:37,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:37,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:38,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:38,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:38,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:38,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 18:13:38,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:38,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:38,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:38,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:38,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 18:13:38,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:38,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:38,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:38,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:38,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 18:13:38,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:38,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:38,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:38,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:38,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:38,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:13:38,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:38,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:38,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:13:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:38,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-12 18:13:38,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997984694] [2020-10-12 18:13:38,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:38,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 18:13:38,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099717230] [2020-10-12 18:13:38,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 18:13:38,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:38,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 18:13:38,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:13:38,454 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 13 states. [2020-10-12 18:13:38,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:38,587 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2020-10-12 18:13:38,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:13:38,588 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 62 [2020-10-12 18:13:38,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:38,589 INFO L225 Difference]: With dead ends: 44 [2020-10-12 18:13:38,589 INFO L226 Difference]: Without dead ends: 40 [2020-10-12 18:13:38,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-10-12 18:13:38,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-12 18:13:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-12 18:13:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-12 18:13:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-10-12 18:13:38,602 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 62 [2020-10-12 18:13:38,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:38,602 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-10-12 18:13:38,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 18:13:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-10-12 18:13:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-12 18:13:38,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:38,604 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:38,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 18:13:38,606 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:38,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:38,606 INFO L82 PathProgramCache]: Analyzing trace with hash 980406709, now seen corresponding path program 8 times [2020-10-12 18:13:38,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:38,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735010358] [2020-10-12 18:13:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:38,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:38,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 18:13:38,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:38,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-12 18:13:38,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 18:13:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:38,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 18:13:38,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:38,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:38,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:38,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:38,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:38,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:13:38,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:38,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:38,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:38,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:38,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:39,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:39,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:13:39,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:39,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-12 18:13:39,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:39,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 18:13:39,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:39,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:13:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:39,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:39,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:39,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:13:39,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:39,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-12 18:13:39,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:13:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:13:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:39,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:39,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:39,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:39,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:39,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-12 18:13:39,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:13:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:39,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:39,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:39,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:39,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:39,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 18:13:39,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:39,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:39,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:39,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:39,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:40,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:40,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:40,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:40,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 18:13:40,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:40,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:40,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:40,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:40,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 18:13:40,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:40,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:40,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:40,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:40,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:40,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:40,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 18:13:40,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:40,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:40,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:40,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:40,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:40,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:40,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:40,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:13:40,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:40,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:40,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:40,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:40,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:13:40,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 26 proven. 136 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-12 18:13:40,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735010358] [2020-10-12 18:13:40,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:40,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 18:13:40,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446290409] [2020-10-12 18:13:40,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 18:13:40,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:40,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 18:13:40,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:13:40,372 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 15 states. [2020-10-12 18:13:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:40,516 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2020-10-12 18:13:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 18:13:40,516 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 69 [2020-10-12 18:13:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:40,518 INFO L225 Difference]: With dead ends: 47 [2020-10-12 18:13:40,518 INFO L226 Difference]: Without dead ends: 43 [2020-10-12 18:13:40,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=358, Unknown=0, NotChecked=0, Total=552 [2020-10-12 18:13:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-12 18:13:40,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-12 18:13:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-12 18:13:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-12 18:13:40,526 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 69 [2020-10-12 18:13:40,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:40,526 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-12 18:13:40,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 18:13:40,526 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-12 18:13:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-12 18:13:40,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:40,528 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:40,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 18:13:40,528 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:40,529 INFO L82 PathProgramCache]: Analyzing trace with hash -654012460, now seen corresponding path program 9 times [2020-10-12 18:13:40,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:40,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763403341] [2020-10-12 18:13:40,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:40,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:40,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 18:13:40,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-12 18:13:40,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 18:13:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 18:13:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:40,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:40,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:40,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:40,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:13:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:40,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:40,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:41,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:41,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:13:41,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:41,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-12 18:13:41,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 18:13:41,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:41,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:13:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:41,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:41,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:41,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:41,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:13:41,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:41,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-12 18:13:41,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:41,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:13:41,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:41,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:13:41,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:41,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:41,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:41,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:13:41,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:41,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-12 18:13:41,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:13:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:41,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:13:41,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:42,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:42,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:42,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:42,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 18:13:42,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:13:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:42,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:42,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:42,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:42,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:42,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 18:13:42,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:42,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:42,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:42,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:42,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 18:13:42,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:42,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:42,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:42,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:42,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:42,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 18:13:42,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:42,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:42,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:42,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:42,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:42,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:13:42,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:42,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:42,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:42,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:42,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:42,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:13:42,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:42,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:13:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-12 18:13:42,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763403341] [2020-10-12 18:13:42,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:42,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 18:13:42,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979937436] [2020-10-12 18:13:42,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 18:13:42,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:42,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 18:13:42,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:13:42,693 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 15 states. [2020-10-12 18:13:42,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:42,867 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2020-10-12 18:13:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 18:13:42,868 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 76 [2020-10-12 18:13:42,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:42,869 INFO L225 Difference]: With dead ends: 50 [2020-10-12 18:13:42,869 INFO L226 Difference]: Without dead ends: 46 [2020-10-12 18:13:42,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2020-10-12 18:13:42,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-12 18:13:42,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-12 18:13:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-12 18:13:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2020-10-12 18:13:42,884 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 76 [2020-10-12 18:13:42,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:42,885 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2020-10-12 18:13:42,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 18:13:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2020-10-12 18:13:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-12 18:13:42,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:42,888 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:42,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 18:13:42,888 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:42,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:42,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1057728309, now seen corresponding path program 10 times [2020-10-12 18:13:42,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:42,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005485464] [2020-10-12 18:13:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:42,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:43,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:43,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 18:13:43,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:43,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-12 18:13:43,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:43,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 18:13:43,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:43,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-12 18:13:43,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:43,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:43,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:43,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:43,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:43,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:13:43,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:43,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:43,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:43,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:43,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:43,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:43,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:13:43,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-10-12 18:13:43,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:43,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 18:13:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:13:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:43,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:43,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:43,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:43,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:13:43,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:43,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-12 18:13:43,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:13:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:13:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:44,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:44,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:13:44,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-12 18:13:44,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:13:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:13:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:44,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:44,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:44,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:44,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:13:44,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:44,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-12 18:13:44,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:13:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:13:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:44,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:44,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:44,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:44,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:44,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-12 18:13:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:13:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:44,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:44,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:44,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:44,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:44,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 18:13:44,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:44,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:44,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:44,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:44,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:44,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:44,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:44,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:44,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 18:13:44,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:44,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:45,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:45,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 18:13:45,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:45,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:45,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:45,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:45,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:45,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:13:45,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:45,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:45,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:45,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:45,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:45,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:45,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:13:45,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:45,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:45,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:45,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:45,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:45,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:45,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:13:45,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 21 proven. 200 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-12 18:13:45,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005485464] [2020-10-12 18:13:45,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:45,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 18:13:45,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560281546] [2020-10-12 18:13:45,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 18:13:45,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:45,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 18:13:45,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:13:45,253 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 16 states. [2020-10-12 18:13:45,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:45,453 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2020-10-12 18:13:45,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 18:13:45,454 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 83 [2020-10-12 18:13:45,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:45,455 INFO L225 Difference]: With dead ends: 53 [2020-10-12 18:13:45,456 INFO L226 Difference]: Without dead ends: 49 [2020-10-12 18:13:45,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=452, Unknown=0, NotChecked=0, Total=702 [2020-10-12 18:13:45,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-12 18:13:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-12 18:13:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-12 18:13:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2020-10-12 18:13:45,466 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 83 [2020-10-12 18:13:45,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:45,466 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2020-10-12 18:13:45,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 18:13:45,466 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2020-10-12 18:13:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 18:13:45,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:45,470 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:45,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 18:13:45,470 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:45,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:45,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2104461250, now seen corresponding path program 11 times [2020-10-12 18:13:45,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:45,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804800672] [2020-10-12 18:13:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:45,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:45,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 18:13:45,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-10-12 18:13:45,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 18:13:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-12 18:13:45,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:45,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:45,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:45,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:45,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:13:45,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:46,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:46,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:13:46,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:46,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-12 18:13:46,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 18:13:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:13:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:46,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:46,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:47,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:47,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:13:47,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:47,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-12 18:13:47,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:13:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:13:47,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:47,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:47,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:47,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:47,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:13:47,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-12 18:13:47,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:13:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:13:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:47,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:47,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:47,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:13:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-12 18:13:48,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:13:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:13:48,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:48,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:48,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:48,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:13:48,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:48,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-12 18:13:48,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:13:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:48,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:13:48,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:48,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:48,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:48,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:48,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:48,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-12 18:13:48,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:13:48,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:48,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:48,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:48,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:48,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:48,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:48,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:48,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-12 18:13:48,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:48,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:48,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:48,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:48,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:48,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:48,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:48,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:48,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:48,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:48,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-12 18:13:48,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:48,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:49,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:49,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:49,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 18:13:49,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:49,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:49,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:49,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:49,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:13:49,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:49,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:49,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:49,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:49,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:49,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 18:13:49,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:49,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:13:49,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:49,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:49,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:49,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:49,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:13:49,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:49,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:49,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:49,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:13:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 18 proven. 265 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-12 18:13:49,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804800672] [2020-10-12 18:13:49,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:49,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 18:13:49,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347410] [2020-10-12 18:13:49,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 18:13:49,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:49,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 18:13:49,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:13:49,326 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 17 states. [2020-10-12 18:13:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:49,571 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2020-10-12 18:13:49,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 18:13:49,573 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 90 [2020-10-12 18:13:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:49,573 INFO L225 Difference]: With dead ends: 56 [2020-10-12 18:13:49,574 INFO L226 Difference]: Without dead ends: 52 [2020-10-12 18:13:49,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-10-12 18:13:49,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-12 18:13:49,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-12 18:13:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-12 18:13:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2020-10-12 18:13:49,588 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 90 [2020-10-12 18:13:49,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:49,588 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2020-10-12 18:13:49,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 18:13:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2020-10-12 18:13:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-12 18:13:49,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:49,595 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:49,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 18:13:49,596 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:49,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:49,598 INFO L82 PathProgramCache]: Analyzing trace with hash 565979361, now seen corresponding path program 12 times [2020-10-12 18:13:49,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:49,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562958496] [2020-10-12 18:13:49,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:49,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:50,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:50,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 18:13:50,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:50,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-12 18:13:50,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:50,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 18:13:50,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:50,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-12 18:13:50,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:50,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:50,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:50,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:50,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:50,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:13:50,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:50,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:50,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:50,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:50,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:50,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:50,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:50,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:13:50,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-12 18:13:50,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 18:13:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:13:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:50,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:50,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:51,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:51,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:13:51,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:51,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-12 18:13:51,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:13:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:51,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:13:51,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:51,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:51,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:51,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:13:51,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:51,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-12 18:13:51,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:13:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:51,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:13:51,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:51,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:51,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:51,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:13:51,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-12 18:13:51,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:13:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:13:51,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:13:52,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-12 18:13:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:13:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:13:52,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:52,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:13:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 18:13:52,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:13:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:13:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:52,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 18:13:52,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:13:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:52,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:52,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 18:13:52,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:52,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:52,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:52,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:13:52,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:52,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:52,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:52,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 18:13:52,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:52,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:52,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:13:52,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:52,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:52,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:52,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:52,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:13:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:52,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:53,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:53,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:53,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:53,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:53,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:13:53,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 52 proven. 240 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-10-12 18:13:53,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562958496] [2020-10-12 18:13:53,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:53,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 18:13:53,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903410470] [2020-10-12 18:13:53,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 18:13:53,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:53,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 18:13:53,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-10-12 18:13:53,084 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 18 states. [2020-10-12 18:13:53,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:53,324 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2020-10-12 18:13:53,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 18:13:53,324 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 97 [2020-10-12 18:13:53,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:53,325 INFO L225 Difference]: With dead ends: 59 [2020-10-12 18:13:53,325 INFO L226 Difference]: Without dead ends: 55 [2020-10-12 18:13:53,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=597, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:13:53,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-12 18:13:53,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-12 18:13:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-12 18:13:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2020-10-12 18:13:53,334 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 97 [2020-10-12 18:13:53,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:53,334 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2020-10-12 18:13:53,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 18:13:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2020-10-12 18:13:53,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 18:13:53,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:53,336 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:53,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 18:13:53,336 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:53,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:53,337 INFO L82 PathProgramCache]: Analyzing trace with hash -106117208, now seen corresponding path program 13 times [2020-10-12 18:13:53,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:53,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919971905] [2020-10-12 18:13:53,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:53,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:53,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:53,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 18:13:53,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:53,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-12 18:13:53,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 18:13:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 18:13:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:53,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:53,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:53,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:53,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:53,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:53,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:13:53,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:53,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:53,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:54,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:54,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:13:54,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:54,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-12 18:13:54,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 18:13:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:13:54,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:54,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:54,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:54,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:13:54,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:54,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-12 18:13:54,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:13:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:13:54,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:54,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:54,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:55,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:55,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:13:55,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:55,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-12 18:13:55,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:55,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:13:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:13:55,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:55,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:55,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:55,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:55,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:13:55,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-12 18:13:55,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:13:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:13:55,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:55,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:55,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:13:55,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:55,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-12 18:13:55,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:13:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:55,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:13:55,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:55,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:55,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:13:56,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-12 18:13:56,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:13:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:13:56,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:13:56,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 18:13:56,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:13:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:13:56,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:56,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:13:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-12 18:13:56,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:13:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:13:56,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:56,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:13:56,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 18:13:56,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:13:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:13:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:13:56,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 18:13:56,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:13:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:13:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:13:56,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:13:56,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:13:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:13:56,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:13:56,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:13:56,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:13:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:13:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:13:56,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:13:56,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:13:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:13:56,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:56,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:56,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:56,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:56,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:13:56,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:56,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:13:56,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:13:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:13:56,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:13:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 30 proven. 347 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-12 18:13:57,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919971905] [2020-10-12 18:13:57,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:13:57,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 18:13:57,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394119883] [2020-10-12 18:13:57,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 18:13:57,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:13:57,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 18:13:57,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=215, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:13:57,023 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 19 states. [2020-10-12 18:13:57,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:13:57,231 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2020-10-12 18:13:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 18:13:57,232 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 104 [2020-10-12 18:13:57,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:13:57,233 INFO L225 Difference]: With dead ends: 62 [2020-10-12 18:13:57,233 INFO L226 Difference]: Without dead ends: 58 [2020-10-12 18:13:57,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=379, Invalid=677, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 18:13:57,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-12 18:13:57,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-10-12 18:13:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-12 18:13:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions. [2020-10-12 18:13:57,238 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 104 [2020-10-12 18:13:57,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:13:57,239 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions. [2020-10-12 18:13:57,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 18:13:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2020-10-12 18:13:57,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 18:13:57,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:13:57,240 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:13:57,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 18:13:57,241 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:13:57,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:13:57,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1237836279, now seen corresponding path program 14 times [2020-10-12 18:13:57,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:13:57,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223942091] [2020-10-12 18:13:57,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:13:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:57,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:57,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:57,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 18:13:57,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:57,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-12 18:13:57,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:57,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 18:13:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:13:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 18:13:57,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:57,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:13:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:57,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:57,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:13:57,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:57,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:13:57,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:57,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:13:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:13:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:57,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:13:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:57,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:58,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:58,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:13:58,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:58,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-12 18:13:58,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 18:13:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:13:58,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:58,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:58,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:58,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:13:58,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-12 18:13:58,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:13:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:13:58,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:58,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:58,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:59,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:13:59,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:59,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-12 18:13:59,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:13:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:13:59,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:59,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:59,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:59,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:13:59,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:59,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-12 18:13:59,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:59,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:13:59,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:59,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:13:59,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:59,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:59,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:59,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:59,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:13:59,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:59,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-12 18:13:59,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:59,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:13:59,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:13:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:59,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:59,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:59,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:59,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:13:59,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-12 18:13:59,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:13:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:13:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:59,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:59,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:13:59,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:13:59,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:13:59,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:13:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-12 18:13:59,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:13:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:13:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:13:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:13:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:13:59,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:13:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:13:59,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:00,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-12 18:14:00,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:00,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:00,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:00,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:00,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 18:14:00,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:00,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:00,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 18:14:00,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:00,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:00,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:00,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 18:14:00,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:00,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:14:00,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:00,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:14:00,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:00,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:00,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:00,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:14:00,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:00,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:00,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:00,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:00,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:00,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:00,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:14:00,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:00,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:00,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 75 proven. 366 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-10-12 18:14:00,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223942091] [2020-10-12 18:14:00,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:00,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 18:14:00,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758568876] [2020-10-12 18:14:00,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 18:14:00,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:00,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 18:14:00,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=237, Unknown=0, NotChecked=0, Total=380 [2020-10-12 18:14:00,646 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand 20 states. [2020-10-12 18:14:00,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:00,887 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2020-10-12 18:14:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 18:14:00,887 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 111 [2020-10-12 18:14:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:00,889 INFO L225 Difference]: With dead ends: 65 [2020-10-12 18:14:00,889 INFO L226 Difference]: Without dead ends: 61 [2020-10-12 18:14:00,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=428, Invalid=762, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 18:14:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-12 18:14:00,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-10-12 18:14:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-12 18:14:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2020-10-12 18:14:00,896 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 111 [2020-10-12 18:14:00,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:00,897 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2020-10-12 18:14:00,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 18:14:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2020-10-12 18:14:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-12 18:14:00,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:00,902 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:00,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 18:14:00,903 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:00,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:00,903 INFO L82 PathProgramCache]: Analyzing trace with hash 340319762, now seen corresponding path program 15 times [2020-10-12 18:14:00,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:00,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765285262] [2020-10-12 18:14:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:00,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:01,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-12 18:14:01,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-10-12 18:14:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 18:14:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 18:14:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:01,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:01,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:01,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:01,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:01,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:01,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:01,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-12 18:14:01,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 18:14:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:01,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:01,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:01,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:02,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:02,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:02,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-12 18:14:02,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:02,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:02,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:02,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:02,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:02,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:02,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:02,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:02,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:02,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:02,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-12 18:14:02,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:02,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:02,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:02,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:03,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:03,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:03,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-12 18:14:03,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:03,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:03,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:03,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:03,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:03,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-12 18:14:03,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:03,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:03,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:03,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:03,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:03,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:03,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:03,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-12 18:14:03,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:03,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:03,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:03,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:03,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:03,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:03,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-12 18:14:03,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:03,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:03,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:03,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:03,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:03,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:03,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 18:14:03,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:03,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:03,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:03,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:03,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:03,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 18:14:03,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:03,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:03,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:03,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:03,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:03,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:03,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 18:14:03,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:03,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:03,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:04,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:04,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:04,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:04,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:14:04,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:04,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:04,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:04,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:04,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:04,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:04,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:04,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:04,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:04,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:14:04,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:04,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:04,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:04,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:04,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:04,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:04,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:04,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:14:04,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:04,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:04,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:04,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:04,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:04,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:14:04,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:04,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:04,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:04,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:04,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:04,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:04,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:04,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:14:04,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:04,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:04,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:04,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:04,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 32 proven. 486 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2020-10-12 18:14:04,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765285262] [2020-10-12 18:14:04,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:04,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 18:14:04,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917566577] [2020-10-12 18:14:04,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 18:14:04,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:04,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 18:14:04,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=296, Unknown=0, NotChecked=0, Total=462 [2020-10-12 18:14:04,270 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 22 states. [2020-10-12 18:14:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:04,509 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2020-10-12 18:14:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 18:14:04,509 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 118 [2020-10-12 18:14:04,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:04,510 INFO L225 Difference]: With dead ends: 68 [2020-10-12 18:14:04,511 INFO L226 Difference]: Without dead ends: 64 [2020-10-12 18:14:04,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=502, Invalid=904, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 18:14:04,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-12 18:14:04,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-12 18:14:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-12 18:14:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2020-10-12 18:14:04,522 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 118 [2020-10-12 18:14:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:04,522 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2020-10-12 18:14:04,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 18:14:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2020-10-12 18:14:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 18:14:04,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:04,524 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:04,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 18:14:04,524 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:04,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:04,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1471685645, now seen corresponding path program 16 times [2020-10-12 18:14:04,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:04,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937909583] [2020-10-12 18:14:04,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:04,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:05,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:05,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-12 18:14:05,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-12 18:14:05,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 18:14:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-12 18:14:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:05,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:05,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:05,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:05,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:05,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:05,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:05,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:05,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:05,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:05,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:05,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:05,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:05,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-12 18:14:05,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 18:14:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:05,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:05,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:05,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:05,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:06,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:06,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:06,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-12 18:14:06,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:06,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:06,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:06,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:06,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:06,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:06,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:06,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-12 18:14:06,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:06,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:06,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:06,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:06,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:06,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:06,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:06,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-12 18:14:06,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:06,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:06,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:07,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:07,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:07,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:07,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:07,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:07,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-12 18:14:07,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:07,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:07,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:07,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:07,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:07,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:07,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-12 18:14:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:07,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:07,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:07,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:07,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:07,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:07,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-12 18:14:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:07,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:07,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:07,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:07,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:07,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 18:14:07,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:07,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:07,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:07,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:07,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 18:14:07,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:07,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:07,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:08,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:08,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:08,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 18:14:08,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:08,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:08,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:08,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:08,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:08,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 18:14:08,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:08,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:08,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:08,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:08,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:08,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:08,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:14:08,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:08,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:08,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:08,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:14:08,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:08,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:08,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:08,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:08,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:14:08,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:08,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:08,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:08,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:08,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:08,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:14:08,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:08,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:08,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:08,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:08,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:08,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:08,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:14:08,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:08,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 18 proven. 560 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2020-10-12 18:14:08,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937909583] [2020-10-12 18:14:08,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:08,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 18:14:08,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869883777] [2020-10-12 18:14:08,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 18:14:08,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:08,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 18:14:08,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=284, Unknown=0, NotChecked=0, Total=462 [2020-10-12 18:14:08,405 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 22 states. [2020-10-12 18:14:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:08,661 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2020-10-12 18:14:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 18:14:08,662 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 125 [2020-10-12 18:14:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:08,663 INFO L225 Difference]: With dead ends: 71 [2020-10-12 18:14:08,663 INFO L226 Difference]: Without dead ends: 67 [2020-10-12 18:14:08,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=947, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 18:14:08,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-12 18:14:08,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-12 18:14:08,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-12 18:14:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2020-10-12 18:14:08,668 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 125 [2020-10-12 18:14:08,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:08,669 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2020-10-12 18:14:08,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 18:14:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2020-10-12 18:14:08,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 18:14:08,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:08,671 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:08,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 18:14:08,671 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:08,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:08,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1481368708, now seen corresponding path program 17 times [2020-10-12 18:14:08,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:08,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173645293] [2020-10-12 18:14:08,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:08,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:09,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:09,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 18:14:09,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:09,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-12 18:14:09,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 18:14:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:09,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-12 18:14:09,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:09,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:09,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:09,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:09,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:09,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:09,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:14:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:09,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:09,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:10,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-12 18:14:10,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:14:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:10,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:10,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:10,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:10,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:10,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:10,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-12 18:14:10,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:10,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:10,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:11,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:11,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:11,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-12 18:14:11,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:11,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:11,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:11,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:11,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:11,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:11,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-12 18:14:11,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:11,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:11,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:11,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:11,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:11,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-12 18:14:11,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:11,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:12,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:12,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:12,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-12 18:14:12,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:12,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:12,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:12,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:12,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:12,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:12,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-12 18:14:12,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:12,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:12,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:12,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:12,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:12,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:12,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:12,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:12,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 18:14:12,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:12,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:12,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:12,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:12,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:12,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:12,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 18:14:12,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:12,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:12,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:12,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:12,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:12,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 18:14:12,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:12,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:12,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:12,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:12,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:12,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-12 18:14:12,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:12,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:12,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:12,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:12,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:12,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:12,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:12,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 18:14:12,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:12,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:12,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:12,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:12,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:13,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:13,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:13,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:13,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:14:13,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:13,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:13,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:13,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:13,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:13,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 18:14:13,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:13,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:13,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:13,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:13,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:13,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:13,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:13,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:14:13,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:13,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:13,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:13,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:13,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:13,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:13,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:14:13,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:13,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:13,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:13,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:13,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:13,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:13,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:14:13,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:13,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 90 proven. 537 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2020-10-12 18:14:13,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173645293] [2020-10-12 18:14:13,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:13,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 18:14:13,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959208541] [2020-10-12 18:14:13,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 18:14:13,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:13,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 18:14:13,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2020-10-12 18:14:13,243 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 23 states. [2020-10-12 18:14:13,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:13,542 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2020-10-12 18:14:13,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 18:14:13,543 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 132 [2020-10-12 18:14:13,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:13,544 INFO L225 Difference]: With dead ends: 74 [2020-10-12 18:14:13,544 INFO L226 Difference]: Without dead ends: 70 [2020-10-12 18:14:13,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=593, Invalid=1047, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 18:14:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-12 18:14:13,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-10-12 18:14:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-12 18:14:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-10-12 18:14:13,555 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 132 [2020-10-12 18:14:13,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:13,558 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-10-12 18:14:13,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 18:14:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-10-12 18:14:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-12 18:14:13,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:13,561 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:13,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 18:14:13,561 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:13,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:13,562 INFO L82 PathProgramCache]: Analyzing trace with hash -103968989, now seen corresponding path program 18 times [2020-10-12 18:14:13,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:13,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074587342] [2020-10-12 18:14:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:13,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 739 [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-12 18:14:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:14,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:14,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:14,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:14,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:14,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:14,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:14,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:14,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:14,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:14,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:14:14,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-12 18:14:14,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 18:14:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:14,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:14:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:15,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:15,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:15,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:15,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:14:15,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-12 18:14:15,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:14:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:15,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:14:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:15,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:15,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:16,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:16,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:16,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 481 [2020-10-12 18:14:16,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:14:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:16,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:16,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:16,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-12 18:14:16,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:16,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:16,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:16,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:16,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:16,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:16,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:16,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:16,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:16,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-12 18:14:16,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:16,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:16,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:17,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:17,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:17,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:17,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-12 18:14:17,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:17,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:17,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:17,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:17,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:17,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:17,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:17,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-12 18:14:17,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:17,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:17,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:17,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:17,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:17,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:17,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:17,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-12 18:14:17,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:17,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:17,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:17,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:17,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:17,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:18,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-12 18:14:18,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:18,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 18:14:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:18,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 18:14:18,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:18,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 18:14:18,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:18,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:18,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 18:14:18,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:18,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:18,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:18,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:14:18,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:18,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:18,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:14:18,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:18,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:14:18,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:18,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:18,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:14:18,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:18,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:14:18,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:18,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:18,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:18,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:18,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:18,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:18,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:14:18,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:18,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 90 proven. 655 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2020-10-12 18:14:19,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074587342] [2020-10-12 18:14:19,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:19,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 18:14:19,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219939683] [2020-10-12 18:14:19,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 18:14:19,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:19,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 18:14:19,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2020-10-12 18:14:19,064 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 24 states. [2020-10-12 18:14:19,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:19,357 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2020-10-12 18:14:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 18:14:19,360 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 139 [2020-10-12 18:14:19,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:19,362 INFO L225 Difference]: With dead ends: 77 [2020-10-12 18:14:19,362 INFO L226 Difference]: Without dead ends: 73 [2020-10-12 18:14:19,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=654, Invalid=1152, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 18:14:19,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-12 18:14:19,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-12 18:14:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-12 18:14:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2020-10-12 18:14:19,367 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 139 [2020-10-12 18:14:19,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:19,368 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2020-10-12 18:14:19,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 18:14:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2020-10-12 18:14:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-12 18:14:19,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:19,369 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:19,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 18:14:19,369 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:19,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:19,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1432494106, now seen corresponding path program 19 times [2020-10-12 18:14:19,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:19,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342310788] [2020-10-12 18:14:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:19,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:20,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:20,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 18:14:20,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:20,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 680 [2020-10-12 18:14:20,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-12 18:14:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-12 18:14:20,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:20,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:20,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:20,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:20,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:20,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:20,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:20,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:20,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:14:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-12 18:14:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-12 18:14:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:14:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:20,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:20,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:14:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-12 18:14:21,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:14:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:14:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:21,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:21,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:22,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:22,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:14:22,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-12 18:14:22,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:14:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:14:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:22,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:22,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:22,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:22,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:22,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:22,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-12 18:14:22,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:14:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:22,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:22,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:23,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:23,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:23,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-10-12 18:14:23,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:23,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:23,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:23,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:23,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:23,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-12 18:14:23,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:23,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:23,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:23,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:23,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:23,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-12 18:14:23,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:23,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:24,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:24,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:24,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:24,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-12 18:14:24,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:24,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:24,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:24,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:24,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:24,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:24,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:24,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-12 18:14:24,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:24,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:24,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:24,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:24,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:24,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:24,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:24,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-12 18:14:24,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:24,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:24,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:24,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:24,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:24,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:24,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-12 18:14:24,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:24,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:24,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:24,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:24,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:24,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:24,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:24,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:24,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:24,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:24,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-12 18:14:24,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:24,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:24,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:24,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:24,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:24,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:24,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 18:14:24,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:24,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:24,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:25,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:25,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:25,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:25,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:25,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-12 18:14:25,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:25,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:25,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:25,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 18:14:25,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:25,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:25,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:25,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:25,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:25,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:14:25,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:25,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:25,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:25,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:25,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:14:25,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:25,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:25,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:25,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:25,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:25,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:14:25,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:25,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:25,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:25,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:25,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:14:25,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:25,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:25,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:14:25,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 90 proven. 676 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-10-12 18:14:25,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342310788] [2020-10-12 18:14:25,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:25,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 18:14:25,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803222033] [2020-10-12 18:14:25,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 18:14:25,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:25,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 18:14:25,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-10-12 18:14:25,590 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 25 states. [2020-10-12 18:14:25,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:25,929 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2020-10-12 18:14:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 18:14:25,929 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 146 [2020-10-12 18:14:25,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:25,931 INFO L225 Difference]: With dead ends: 80 [2020-10-12 18:14:25,931 INFO L226 Difference]: Without dead ends: 76 [2020-10-12 18:14:25,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=718, Invalid=1262, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 18:14:25,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-12 18:14:25,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-10-12 18:14:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-12 18:14:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2020-10-12 18:14:25,937 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 146 [2020-10-12 18:14:25,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:25,938 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2020-10-12 18:14:25,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 18:14:25,938 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2020-10-12 18:14:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 18:14:25,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:25,939 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:25,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 18:14:25,940 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:25,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:25,940 INFO L82 PathProgramCache]: Analyzing trace with hash -873938119, now seen corresponding path program 20 times [2020-10-12 18:14:25,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:25,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735962476] [2020-10-12 18:14:25,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:25,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:26,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:26,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 18:14:26,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:26,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-10-12 18:14:26,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:26,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 18:14:26,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:26,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-12 18:14:26,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:26,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:26,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:26,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:26,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:26,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:26,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:27,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:14:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:27,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:27,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:28,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:28,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:14:28,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 678 [2020-10-12 18:14:28,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:14:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:14:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:28,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:28,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:28,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:14:28,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:28,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-12 18:14:28,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:28,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:14:28,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:28,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:14:28,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:28,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:28,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:29,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:29,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:14:29,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:29,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-10-12 18:14:29,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:29,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:14:29,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:14:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:29,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:30,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:30,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:30,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-12 18:14:30,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:14:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:30,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:30,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:30,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:30,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:30,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:30,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-12 18:14:30,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:30,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:30,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:30,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:30,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:30,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:30,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-12 18:14:30,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:30,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:30,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:31,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:31,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:31,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:31,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-12 18:14:31,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:31,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:31,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:31,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:31,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-12 18:14:31,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:31,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:31,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:31,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:31,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:31,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:31,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-12 18:14:31,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:31,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:31,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:31,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:31,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:31,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:32,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 18:14:32,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:32,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:32,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 18:14:32,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:32,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:32,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:32,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 18:14:32,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:32,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:32,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 18:14:32,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:32,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:32,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 18:14:32,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:32,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:32,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 18:14:32,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:32,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:32,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:32,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 18:14:32,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:32,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:32,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 18:14:32,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:32,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:32,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:14:32,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:32,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:32,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:14:32,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:32,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:32,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:32,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:32,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:32,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:32,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:32,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:14:32,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:32,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:32,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 79 proven. 817 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2020-10-12 18:14:32,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735962476] [2020-10-12 18:14:32,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:32,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-12 18:14:32,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191162713] [2020-10-12 18:14:32,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-12 18:14:32,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:32,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-12 18:14:32,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=390, Unknown=0, NotChecked=0, Total=650 [2020-10-12 18:14:32,968 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 26 states. [2020-10-12 18:14:33,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:33,288 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2020-10-12 18:14:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 18:14:33,288 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 153 [2020-10-12 18:14:33,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:33,291 INFO L225 Difference]: With dead ends: 83 [2020-10-12 18:14:33,291 INFO L226 Difference]: Without dead ends: 79 [2020-10-12 18:14:33,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=785, Invalid=1377, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 18:14:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-12 18:14:33,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-10-12 18:14:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-12 18:14:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2020-10-12 18:14:33,298 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 153 [2020-10-12 18:14:33,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:33,298 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2020-10-12 18:14:33,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-12 18:14:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2020-10-12 18:14:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 18:14:33,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:33,299 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:33,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 18:14:33,300 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:33,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:33,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1461029712, now seen corresponding path program 21 times [2020-10-12 18:14:33,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:33,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076970014] [2020-10-12 18:14:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:33,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:34,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-12 18:14:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:34,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:34,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:34,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:34,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:34,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:34,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:35,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:35,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:14:35,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-12 18:14:35,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 18:14:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:14:35,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:35,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:35,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:35,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:14:35,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:35,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 779 [2020-10-12 18:14:35,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:14:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:14:35,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:35,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:35,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:36,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:36,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:14:36,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 729 [2020-10-12 18:14:36,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:36,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:14:36,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:36,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:14:36,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:36,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:36,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:37,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:37,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:14:37,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-10-12 18:14:37,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:14:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:37,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:14:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:37,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:37,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:37,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:14:37,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-10-12 18:14:37,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:14:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:14:37,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:37,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:37,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:38,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:38,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:38,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:38,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-12 18:14:38,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:14:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:38,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:38,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:38,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:38,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:38,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:38,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:38,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-12 18:14:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:38,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:39,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:39,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:39,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-12 18:14:39,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:39,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:39,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:39,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:39,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-12 18:14:39,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:39,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:39,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:39,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:39,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-12 18:14:39,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:39,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:39,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:40,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:40,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:40,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:40,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-12 18:14:40,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:40,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:40,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:40,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:40,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:40,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:40,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-12 18:14:40,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:40,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:40,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:40,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:40,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:40,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:40,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 18:14:40,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:40,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:40,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:40,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:40,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:40,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:40,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:40,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 18:14:40,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:40,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:40,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:40,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:40,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:40,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 18:14:40,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:40,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:40,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:40,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:40,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 18:14:40,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:40,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:40,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:40,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:40,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:41,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:41,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:41,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 18:14:41,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:41,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:41,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:41,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:41,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:41,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:14:41,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:41,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:41,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:41,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:14:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:41,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:41,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:41,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:41,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:14:41,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:41,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:41,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:41,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:41,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:41,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:41,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:14:41,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:41,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:41,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:41,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:41,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:41,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:14:41,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:41,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 104 proven. 939 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2020-10-12 18:14:41,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076970014] [2020-10-12 18:14:41,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:41,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 18:14:41,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630726303] [2020-10-12 18:14:41,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 18:14:41,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:41,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 18:14:41,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=467, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:14:41,456 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 28 states. [2020-10-12 18:14:41,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:41,841 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2020-10-12 18:14:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 18:14:41,841 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 160 [2020-10-12 18:14:41,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:41,843 INFO L225 Difference]: With dead ends: 86 [2020-10-12 18:14:41,843 INFO L226 Difference]: Without dead ends: 82 [2020-10-12 18:14:41,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=883, Invalid=1567, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 18:14:41,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-12 18:14:41,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-10-12 18:14:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-12 18:14:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2020-10-12 18:14:41,850 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 160 [2020-10-12 18:14:41,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:41,850 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2020-10-12 18:14:41,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 18:14:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2020-10-12 18:14:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-12 18:14:41,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:41,852 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:41,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 18:14:41,853 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:41,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:41,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1249222577, now seen corresponding path program 22 times [2020-10-12 18:14:41,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:41,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389040716] [2020-10-12 18:14:41,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:41,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:42,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 18:14:42,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:42,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-10-12 18:14:42,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-12 18:14:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-12 18:14:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:42,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:42,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:42,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:42,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:42,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:42,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:42,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:42,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:42,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:43,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 975 [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:14:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:43,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:44,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:44,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:14:44,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:44,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 851 [2020-10-12 18:14:44,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:14:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:14:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:44,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:44,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:45,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:45,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:14:45,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 751 [2020-10-12 18:14:45,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:14:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:14:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:45,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:45,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:46,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:46,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:14:46,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 700 [2020-10-12 18:14:46,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:14:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:14:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:46,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:46,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:46,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:46,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:14:46,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-12 18:14:46,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:14:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:14:46,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:47,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:47,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:47,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:14:47,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 543 [2020-10-12 18:14:47,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:14:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:14:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:47,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:47,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:48,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:48,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:48,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:48,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-12 18:14:48,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:14:48,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:48,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:48,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:48,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:48,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:48,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:48,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:48,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-12 18:14:48,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:48,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:48,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:48,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:48,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:48,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:48,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:48,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-12 18:14:48,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:48,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:48,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:48,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:49,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:49,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:14:49,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-12 18:14:49,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:14:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:14:49,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:49,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:49,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:49,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:49,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:14:49,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:49,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-12 18:14:49,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:14:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:49,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:14:49,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:49,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:49,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:49,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:49,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:14:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-12 18:14:49,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:14:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:14:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:49,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:49,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:49,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:49,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:14:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-12 18:14:49,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:14:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:14:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:14:50,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-12 18:14:50,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:14:50,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:14:50,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:14:50,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 18:14:50,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:14:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:14:50,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:14:50,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 18:14:50,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:14:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:14:50,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:14:50,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 18:14:50,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:14:50,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:14:50,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:14:50,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 18:14:50,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:14:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:14:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:14:50,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:14:50,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:14:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:14:50,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:14:50,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:14:50,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:14:50,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:14:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:14:50,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:14:50,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:14:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:14:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:14:50,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:14:50,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:14:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:14:50,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:50,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:50,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:14:50,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:14:50,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:14:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:14:50,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:14:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 111 proven. 970 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2020-10-12 18:14:51,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389040716] [2020-10-12 18:14:51,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:14:51,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 18:14:51,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671219335] [2020-10-12 18:14:51,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 18:14:51,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:14:51,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 18:14:51,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:14:51,048 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 28 states. [2020-10-12 18:14:51,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:14:51,422 INFO L93 Difference]: Finished difference Result 89 states and 90 transitions. [2020-10-12 18:14:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 18:14:51,422 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 167 [2020-10-12 18:14:51,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:14:51,424 INFO L225 Difference]: With dead ends: 89 [2020-10-12 18:14:51,424 INFO L226 Difference]: Without dead ends: 85 [2020-10-12 18:14:51,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=928, Invalid=1622, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 18:14:51,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-12 18:14:51,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-12 18:14:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-12 18:14:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2020-10-12 18:14:51,431 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 167 [2020-10-12 18:14:51,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:14:51,431 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2020-10-12 18:14:51,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 18:14:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2020-10-12 18:14:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-12 18:14:51,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:14:51,433 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:14:51,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 18:14:51,433 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:14:51,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:14:51,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1284144570, now seen corresponding path program 23 times [2020-10-12 18:14:51,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:14:51,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505619826] [2020-10-12 18:14:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:14:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:51,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:52,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-12 18:14:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:52,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:14:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:52,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:52,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:52,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:14:52,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:14:52,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:14:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:52,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:14:52,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:52,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:14:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:52,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:53,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:53,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:14:53,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1036 [2020-10-12 18:14:53,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-12 18:14:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:14:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:53,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:53,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:54,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:54,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:14:54,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-10-12 18:14:54,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:14:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:14:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:54,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:54,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:55,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:55,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:14:55,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:55,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 836 [2020-10-12 18:14:55,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:14:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:14:55,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:55,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:55,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:56,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:56,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:14:56,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:56,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 738 [2020-10-12 18:14:56,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:14:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:56,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:14:56,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:56,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:57,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:57,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:14:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-12 18:14:57,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:14:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:14:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:57,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:57,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:57,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:57,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:14:57,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:57,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 600 [2020-10-12 18:14:57,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:57,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:14:57,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:57,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:14:57,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:57,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:58,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:58,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:14:58,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:58,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-12 18:14:58,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:14:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:14:58,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:58,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:58,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:58,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:58,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:14:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-12 18:14:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:14:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:14:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:58,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:59,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:59,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:14:59,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:59,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-12 18:14:59,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:14:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:14:59,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:59,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:14:59,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:14:59,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:14:59,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:14:59,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-12 18:14:59,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:14:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:14:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:14:59,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:14:59,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:14:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:14:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:14:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:00,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:00,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:15:00,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-12 18:15:00,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:15:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:00,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:15:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:00,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:00,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:00,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:00,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:15:00,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:00,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-12 18:15:00,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:15:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:15:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:00,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:00,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:00,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:15:00,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-12 18:15:00,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:15:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:15:00,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:00,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:00,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:00,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:15:00,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 18:15:00,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:15:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:15:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:00,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:15:01,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 18:15:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:15:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:15:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:15:01,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 18:15:01,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:15:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:15:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:15:01,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 18:15:01,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:15:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:15:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:15:01,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 18:15:01,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:15:01,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:15:01,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:15:01,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 18:15:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:15:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:15:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:15:01,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:15:01,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:15:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:15:01,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:15:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:15:01,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:15:01,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:15:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:15:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:15:01,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 18:15:01,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:15:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:15:01,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:15:01,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:15:01,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:15:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:15:01,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:01,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:01,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:01,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:01,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:15:01,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:01,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:15:01,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:15:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:01,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:15:01,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:15:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 214 proven. 994 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-10-12 18:15:01,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505619826] [2020-10-12 18:15:01,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:15:01,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 18:15:01,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039185006] [2020-10-12 18:15:01,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 18:15:01,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:15:01,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 18:15:01,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=480, Unknown=0, NotChecked=0, Total=812 [2020-10-12 18:15:01,965 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand 29 states. [2020-10-12 18:15:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:15:02,360 INFO L93 Difference]: Finished difference Result 92 states and 93 transitions. [2020-10-12 18:15:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 18:15:02,361 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 174 [2020-10-12 18:15:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:15:02,362 INFO L225 Difference]: With dead ends: 92 [2020-10-12 18:15:02,362 INFO L226 Difference]: Without dead ends: 88 [2020-10-12 18:15:02,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1004, Invalid=1752, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 18:15:02,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-12 18:15:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-12 18:15:02,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-12 18:15:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2020-10-12 18:15:02,380 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 174 [2020-10-12 18:15:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:15:02,381 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2020-10-12 18:15:02,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 18:15:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2020-10-12 18:15:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-12 18:15:02,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:15:02,383 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:15:02,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 18:15:02,383 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:15:02,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:15:02,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1205012069, now seen corresponding path program 24 times [2020-10-12 18:15:02,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:15:02,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037440639] [2020-10-12 18:15:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:15:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:02,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:03,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:03,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 18:15:03,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236 [2020-10-12 18:15:03,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-12 18:15:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:15:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-12 18:15:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:03,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:15:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:03,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:03,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:03,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:15:03,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:03,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:15:03,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:15:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:15:03,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:03,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:15:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:03,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:04,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:04,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:15:04,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-10-12 18:15:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-12 18:15:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:15:04,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:04,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:05,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:05,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:15:05,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:05,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1098 [2020-10-12 18:15:05,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:15:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:15:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:05,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:05,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:06,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:06,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:15:06,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 929 [2020-10-12 18:15:06,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:15:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:15:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:06,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:07,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:07,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:15:07,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 843 [2020-10-12 18:15:07,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:15:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:15:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:07,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:08,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:08,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:15:08,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:08,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-12 18:15:08,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:15:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:15:08,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:08,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:09,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:09,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:15:09,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-10-12 18:15:09,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:15:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:15:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:09,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:09,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:09,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:09,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:15:09,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-12 18:15:09,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:15:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:15:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:09,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:10,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:10,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:10,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:15:10,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:10,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-12 18:15:10,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:15:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:15:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:10,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:10,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:11,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:11,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:15:11,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-12 18:15:11,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:15:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:15:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:11,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:11,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:11,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:11,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:15:11,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:11,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-10-12 18:15:11,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:15:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:15:11,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:11,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:11,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:11,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:15:11,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-12 18:15:11,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:15:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:15:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:11,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:12,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:12,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:15:12,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-12 18:15:12,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:15:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:15:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:12,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:12,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:12,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:15:12,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-12 18:15:12,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:15:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:15:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:12,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:12,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:15:12,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 18:15:12,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:15:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:15:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:12,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:12,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:12,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:15:12,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:12,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-12 18:15:12,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:15:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:12,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:15:12,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:12,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:12,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:15:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-12 18:15:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:15:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:15:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:15:13,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-12 18:15:13,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:15:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:15:13,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:15:13,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 18:15:13,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:15:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:15:13,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:15:13,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 18:15:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:15:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:15:13,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:15:13,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 18:15:13,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:15:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:15:13,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:15:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:15:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:15:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:15:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:15:13,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 18:15:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:15:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:15:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:15:13,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:15:13,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:15:13,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:15:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:15:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:15:13,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:15:13,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:15:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:15:13,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:13,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:13,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:13,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:13,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:15:13,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:13,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:15:13,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:15:13,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:13,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:15:13,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:15:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 210 proven. 1096 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2020-10-12 18:15:14,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037440639] [2020-10-12 18:15:14,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:15:14,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 18:15:14,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812345669] [2020-10-12 18:15:14,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 18:15:14,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:15:14,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 18:15:14,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=512, Unknown=0, NotChecked=0, Total=870 [2020-10-12 18:15:14,181 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 30 states. [2020-10-12 18:15:14,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:15:14,582 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-10-12 18:15:14,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 18:15:14,582 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 181 [2020-10-12 18:15:14,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:15:14,583 INFO L225 Difference]: With dead ends: 95 [2020-10-12 18:15:14,583 INFO L226 Difference]: Without dead ends: 91 [2020-10-12 18:15:14,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1083, Invalid=1887, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 18:15:14,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-12 18:15:14,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-12 18:15:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-12 18:15:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 92 transitions. [2020-10-12 18:15:14,589 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 92 transitions. Word has length 181 [2020-10-12 18:15:14,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:15:14,590 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 92 transitions. [2020-10-12 18:15:14,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 18:15:14,590 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2020-10-12 18:15:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-12 18:15:14,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:15:14,591 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:15:14,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 18:15:14,592 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:15:14,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:15:14,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1312024796, now seen corresponding path program 25 times [2020-10-12 18:15:14,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:15:14,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058433848] [2020-10-12 18:15:14,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:15:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:14,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:15,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1270 [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-12 18:15:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:15:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:15,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:15:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:15:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:15,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 18:15:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:17,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:17,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:18,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:18,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:15:18,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:18,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1169 [2020-10-12 18:15:18,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:18,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:15:18,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:18,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:15:18,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:18,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:19,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:19,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:15:19,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:19,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-10-12 18:15:19,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:15:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:15:19,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:19,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:20,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:20,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:15:20,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-10-12 18:15:20,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:15:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:15:20,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:20,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:20,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:21,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:21,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:15:21,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-10-12 18:15:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:15:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:15:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:21,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:22,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:22,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:15:22,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 814 [2020-10-12 18:15:22,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:15:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:15:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:22,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:23,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:15:23,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 665 [2020-10-12 18:15:23,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:15:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:15:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:23,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:23,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:23,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:15:23,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:23,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-12 18:15:23,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:23,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:15:23,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:23,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:15:23,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:23,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:24,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:24,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:15:24,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-12 18:15:24,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:15:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:24,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:15:24,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:24,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:24,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:24,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:15:24,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-12 18:15:24,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:15:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:15:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:24,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:24,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:25,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:25,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:15:25,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:25,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-12 18:15:25,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:15:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:15:25,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:25,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:25,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:25,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:15:25,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:25,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-12 18:15:25,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:15:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:15:25,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:25,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:25,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:25,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:25,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:15:25,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:25,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-12 18:15:25,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:15:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:15:25,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:25,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:25,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:26,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:26,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:15:26,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-12 18:15:26,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:15:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:15:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:26,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:26,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:26,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:26,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:15:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-12 18:15:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:15:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:15:26,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:26,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:26,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:26,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:15:26,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:26,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-12 18:15:26,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:15:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:15:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:26,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:26,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:26,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:26,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:15:26,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-12 18:15:26,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:15:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:15:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:26,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:26,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:26,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:26,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:15:26,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:26,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 18:15:26,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:15:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:15:26,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:15:27,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 18:15:27,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:15:27,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:15:27,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:15:27,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 18:15:27,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:15:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:15:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:15:27,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 18:15:27,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:15:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:15:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:15:27,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:15:27,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:15:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:15:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:15:27,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 18:15:27,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:15:27,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:15:27,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:15:27,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:15:27,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:15:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:15:27,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:15:27,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:15:27,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:15:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:15:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:27,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:27,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:15:27,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:15:27,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:15:27,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:27,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:15:27,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:15:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 248 proven. 1178 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2020-10-12 18:15:27,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058433848] [2020-10-12 18:15:27,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:15:27,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 18:15:27,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9553520] [2020-10-12 18:15:27,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 18:15:27,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:15:27,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 18:15:27,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=545, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:15:27,739 INFO L87 Difference]: Start difference. First operand 91 states and 92 transitions. Second operand 31 states. [2020-10-12 18:15:28,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:15:28,177 INFO L93 Difference]: Finished difference Result 98 states and 99 transitions. [2020-10-12 18:15:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 18:15:28,178 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 188 [2020-10-12 18:15:28,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:15:28,179 INFO L225 Difference]: With dead ends: 98 [2020-10-12 18:15:28,179 INFO L226 Difference]: Without dead ends: 94 [2020-10-12 18:15:28,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1165, Invalid=2027, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 18:15:28,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-12 18:15:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-10-12 18:15:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-12 18:15:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 95 transitions. [2020-10-12 18:15:28,185 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 95 transitions. Word has length 188 [2020-10-12 18:15:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:15:28,185 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 95 transitions. [2020-10-12 18:15:28,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 18:15:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 95 transitions. [2020-10-12 18:15:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 18:15:28,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:15:28,187 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:15:28,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-12 18:15:28,187 INFO L427 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:15:28,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:15:28,188 INFO L82 PathProgramCache]: Analyzing trace with hash 461591931, now seen corresponding path program 26 times [2020-10-12 18:15:28,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:15:28,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45426663] [2020-10-12 18:15:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:15:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:28,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:29,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:29,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-12 18:15:29,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1391 [2020-10-12 18:15:29,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-12 18:15:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:15:29,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 242 [2020-10-12 18:15:29,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:29,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:15:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:29,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:29,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:29,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:15:29,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:15:29,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:15:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:15:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:15:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:29,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:30,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 18:15:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1341 [2020-10-12 18:15:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-12 18:15:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 18:15:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:31,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:31,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:32,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:32,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 18:15:32,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:32,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-12 18:15:32,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:32,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 18:15:32,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:32,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 18:15:32,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:32,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:32,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:33,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:33,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:15:33,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1148 [2020-10-12 18:15:33,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:15:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:33,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:15:33,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:33,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:33,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:15:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1064 [2020-10-12 18:15:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:15:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:15:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:34,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:34,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:35,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:35,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:15:35,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:35,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 944 [2020-10-12 18:15:35,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:15:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:15:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:35,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:36,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:15:36,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:36,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:36,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:37,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:37,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:15:37,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-12 18:15:37,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:15:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:37,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:15:37,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:37,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:38,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:38,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:15:38,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:38,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-12 18:15:38,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:38,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:15:38,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:38,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:15:38,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:38,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:38,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:38,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:15:38,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-12 18:15:38,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:15:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:15:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:38,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:38,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:39,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:39,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:15:39,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:39,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-12 18:15:39,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:15:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:15:39,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:39,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:39,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:39,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:15:39,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-12 18:15:39,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:15:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:15:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:39,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:40,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:40,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:40,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:15:40,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:40,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 431 [2020-10-12 18:15:40,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:15:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:15:40,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:40,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:40,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:40,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:40,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:15:40,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-10-12 18:15:40,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:40,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:15:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:15:40,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:40,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:41,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:41,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:15:41,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:41,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-12 18:15:41,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:15:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:15:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:41,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:41,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:41,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:15:41,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:41,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-12 18:15:41,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:15:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:15:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:41,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:41,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:41,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:41,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:15:41,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-12 18:15:41,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:15:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:15:41,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:41,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:41,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:15:42,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-12 18:15:42,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:15:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:15:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:15:42,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-12 18:15:42,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:15:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:15:42,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:15:42,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 18:15:42,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:15:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:15:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:15:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 18:15:42,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:15:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:15:42,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:15:42,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 18:15:42,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:15:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:15:42,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:15:42,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 18:15:42,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:15:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:15:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:15:42,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:15:42,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:15:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:15:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:15:42,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 18:15:42,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:15:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:15:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:15:42,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:15:42,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:15:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:15:42,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:15:42,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:15:42,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:15:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:15:42,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:42,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:42,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:15:42,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:15:42,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:15:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:15:42,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:15:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 171 proven. 1324 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2020-10-12 18:15:43,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45426663] [2020-10-12 18:15:43,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:15:43,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 18:15:43,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295646826] [2020-10-12 18:15:43,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 18:15:43,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:15:43,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 18:15:43,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=579, Unknown=0, NotChecked=0, Total=992 [2020-10-12 18:15:43,186 INFO L87 Difference]: Start difference. First operand 94 states and 95 transitions. Second operand 32 states. [2020-10-12 18:15:43,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:15:43,632 INFO L93 Difference]: Finished difference Result 101 states and 102 transitions. [2020-10-12 18:15:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 18:15:43,633 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 195 [2020-10-12 18:15:43,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:15:43,634 INFO L225 Difference]: With dead ends: 101 [2020-10-12 18:15:43,634 INFO L226 Difference]: Without dead ends: 97 [2020-10-12 18:15:43,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1250, Invalid=2172, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 18:15:43,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-12 18:15:43,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-10-12 18:15:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-12 18:15:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 98 transitions. [2020-10-12 18:15:43,640 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 98 transitions. Word has length 195 [2020-10-12 18:15:43,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:15:43,640 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 98 transitions. [2020-10-12 18:15:43,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 18:15:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2020-10-12 18:15:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-12 18:15:43,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:15:43,642 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:15:43,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-12 18:15:43,642 INFO L427 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:15:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:15:43,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1460254606, now seen corresponding path program 27 times [2020-10-12 18:15:43,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:15:43,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816103631] [2020-10-12 18:15:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:15:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:43,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:45,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1561 [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-12 18:15:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:45,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:15:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:45,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:45,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:45,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:15:45,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:15:45,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:15:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:15:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:45,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:15:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:46,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1423 [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-12 18:15:46,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:46,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:48,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:48,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 18:15:48,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:48,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1464 [2020-10-12 18:15:48,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:48,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-12 18:15:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:48,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 18:15:48,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:48,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:49,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:49,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 18:15:49,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1344 [2020-10-12 18:15:49,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 18:15:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 18:15:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:50,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:50,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:15:50,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:50,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1189 [2020-10-12 18:15:50,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:15:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:15:50,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:50,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:50,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:51,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:51,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:15:51,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-10-12 18:15:51,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:15:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:15:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:52,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:15:52,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 960 [2020-10-12 18:15:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:15:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:15:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:53,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:53,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:53,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:15:53,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:53,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 890 [2020-10-12 18:15:53,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:53,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:15:53,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:53,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:15:53,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:53,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:53,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:54,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:54,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:15:54,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-12 18:15:54,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:54,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:15:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:15:54,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:54,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:54,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:55,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:55,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:15:55,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 665 [2020-10-12 18:15:55,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:15:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:15:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:55,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:56,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:56,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:15:56,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:56,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-12 18:15:56,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:56,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:15:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:15:56,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:56,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:56,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:56,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:56,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:15:56,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:56,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-12 18:15:56,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:56,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:15:56,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:56,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:15:56,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:56,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:57,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:57,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:15:57,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-12 18:15:57,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:15:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:15:57,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:57,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:57,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:57,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:15:57,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-12 18:15:57,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:15:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:15:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:57,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:57,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:58,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:15:58,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:58,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-12 18:15:58,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:15:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:15:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:58,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:58,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:58,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:58,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:15:58,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-12 18:15:58,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:15:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:15:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:58,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:58,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:58,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:58,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:15:58,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-12 18:15:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:15:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:15:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:58,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:59,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:59,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:15:59,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:59,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-12 18:15:59,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:15:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:15:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:59,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:59,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:59,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:59,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:15:59,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-12 18:15:59,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:15:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:15:59,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:59,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:59,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:59,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:59,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:15:59,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:59,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 18:15:59,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:15:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:15:59,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:59,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:59,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:59,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:59,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:15:59,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:59,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 18:15:59,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:15:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:15:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:59,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:59,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:59,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:15:59,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 18:15:59,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:15:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:59,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:15:59,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:59,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:59,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:59,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:15:59,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 18:15:59,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:15:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:15:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:59,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:59,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:15:59,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:15:59,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:15:59,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:15:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 18:15:59,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:15:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:15:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:15:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:15:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:15:59,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:15:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:15:59,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:00,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:00,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:16:00,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:00,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:16:00,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:00,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:16:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:00,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:16:00,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:00,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:00,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:00,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:16:00,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:00,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 18:16:00,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:16:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:16:00,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:00,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:00,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:00,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:16:00,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:16:00,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:16:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:16:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:00,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:00,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:16:00,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:16:00,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:16:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:16:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:16:00,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:00,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:00,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:00,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:16:00,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:00,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:16:00,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:00,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:16:00,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:16:00,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:16:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 233 proven. 1314 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2020-10-12 18:16:00,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816103631] [2020-10-12 18:16:00,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:16:00,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 18:16:00,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045533045] [2020-10-12 18:16:00,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 18:16:00,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:16:00,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 18:16:00,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=614, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 18:16:00,460 INFO L87 Difference]: Start difference. First operand 97 states and 98 transitions. Second operand 33 states. [2020-10-12 18:16:00,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:16:00,945 INFO L93 Difference]: Finished difference Result 104 states and 105 transitions. [2020-10-12 18:16:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 18:16:00,946 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 202 [2020-10-12 18:16:00,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:16:00,947 INFO L225 Difference]: With dead ends: 104 [2020-10-12 18:16:00,947 INFO L226 Difference]: Without dead ends: 100 [2020-10-12 18:16:00,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1338, Invalid=2322, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 18:16:00,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-12 18:16:00,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-10-12 18:16:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-12 18:16:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 101 transitions. [2020-10-12 18:16:00,953 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 101 transitions. Word has length 202 [2020-10-12 18:16:00,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:16:00,954 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 101 transitions. [2020-10-12 18:16:00,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 18:16:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 101 transitions. [2020-10-12 18:16:00,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 18:16:00,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:16:00,955 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:16:00,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-12 18:16:00,958 INFO L427 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:16:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:16:00,958 INFO L82 PathProgramCache]: Analyzing trace with hash 788262289, now seen corresponding path program 28 times [2020-10-12 18:16:00,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:16:00,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506164731] [2020-10-12 18:16:00,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:16:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:01,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:02,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:02,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-12 18:16:02,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:02,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1679 [2020-10-12 18:16:02,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-12 18:16:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:16:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-12 18:16:02,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:02,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:16:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:02,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:16:02,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:02,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:16:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:02,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:04,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1571 [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-12 18:16:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:04,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:04,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:05,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:05,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 18:16:05,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1482 [2020-10-12 18:16:05,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-12 18:16:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-12 18:16:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:05,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:05,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:07,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:07,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 18:16:07,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1398 [2020-10-12 18:16:07,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-12 18:16:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:07,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 18:16:07,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:07,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:07,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:08,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:08,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 18:16:08,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:08,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1279 [2020-10-12 18:16:08,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:08,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 18:16:08,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:08,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 18:16:08,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:08,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:08,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:09,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:09,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:16:09,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:09,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1161 [2020-10-12 18:16:09,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:16:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:16:09,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:09,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:09,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:10,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:10,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:16:10,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-10-12 18:16:10,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:10,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:16:10,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:10,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:16:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:10,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:10,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:11,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:16:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-10-12 18:16:11,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:16:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:16:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:11,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:11,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:12,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:12,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:16:12,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-10-12 18:16:12,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:16:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:16:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:12,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:13,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:13,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:16:13,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-10-12 18:16:13,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:16:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:16:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:13,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:13,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:14,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:14,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:16:14,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:14,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 693 [2020-10-12 18:16:14,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:16:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:16:14,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:14,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:14,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:15,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:15,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:16:15,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:15,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-12 18:16:15,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:16:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:16:15,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:15,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:15,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:15,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:15,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:16:15,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:15,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-10-12 18:16:15,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:16:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:16:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:15,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:16,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:16,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:16:16,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-12 18:16:16,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:16:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:16:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:16,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:16,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:16,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:16:16,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:16,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-12 18:16:16,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:16:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:16:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:16,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:16,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:16,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:16,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:16:16,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-12 18:16:16,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:16:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:16:16,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:16,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:16,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:17,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:17,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:16:17,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:17,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-12 18:16:17,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:16:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:16:17,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:17,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:17,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:17,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:17,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:16:17,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:17,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-12 18:16:17,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:16:17,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:17,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:16:17,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:17,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:17,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:17,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:17,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:16:17,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:17,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-12 18:16:17,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:16:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:16:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:17,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:18,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:18,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:16:18,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:18,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-12 18:16:18,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:18,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:16:18,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:16:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:18,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:18,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:18,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:18,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:16:18,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 18:16:18,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:16:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:16:18,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:18,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:18,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:18,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:18,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:16:18,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 18:16:18,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:16:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:16:18,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:18,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:18,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:18,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:18,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:16:18,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 18:16:18,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:16:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:16:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:18,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:18,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:18,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:18,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:16:18,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:18,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 18:16:18,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:18,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:16:18,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:18,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:16:18,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:18,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:18,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:18,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:16:18,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 18:16:18,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:16:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:18,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:16:18,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:18,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:18,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:18,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:16:18,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 18:16:18,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:16:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:18,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:16:18,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:18,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:18,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:19,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:16:19,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 18:16:19,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:16:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:16:19,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:19,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:19,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:19,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:19,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:16:19,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 18:16:19,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:16:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:16:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:19,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:16:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:16:19,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:16:19,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:16:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 18:16:19,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:19,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:19,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:19,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:16:19,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:16:19,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:16:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:19,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:16:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 158 proven. 1532 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2020-10-12 18:16:20,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506164731] [2020-10-12 18:16:20,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:16:20,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-12 18:16:20,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471490700] [2020-10-12 18:16:20,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-12 18:16:20,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:16:20,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-12 18:16:20,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=650, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 18:16:20,004 INFO L87 Difference]: Start difference. First operand 100 states and 101 transitions. Second operand 34 states. [2020-10-12 18:16:20,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:16:20,505 INFO L93 Difference]: Finished difference Result 107 states and 108 transitions. [2020-10-12 18:16:20,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 18:16:20,506 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 209 [2020-10-12 18:16:20,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:16:20,508 INFO L225 Difference]: With dead ends: 107 [2020-10-12 18:16:20,508 INFO L226 Difference]: Without dead ends: 103 [2020-10-12 18:16:20,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1429, Invalid=2477, Unknown=0, NotChecked=0, Total=3906 [2020-10-12 18:16:20,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-12 18:16:20,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-12 18:16:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-12 18:16:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 104 transitions. [2020-10-12 18:16:20,515 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 104 transitions. Word has length 209 [2020-10-12 18:16:20,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:16:20,515 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 104 transitions. [2020-10-12 18:16:20,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-12 18:16:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2020-10-12 18:16:20,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-12 18:16:20,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:16:20,517 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:16:20,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-12 18:16:20,517 INFO L427 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:16:20,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:16:20,518 INFO L82 PathProgramCache]: Analyzing trace with hash -674054408, now seen corresponding path program 29 times [2020-10-12 18:16:20,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:16:20,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137627222] [2020-10-12 18:16:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:16:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:20,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:22,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:22,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-12 18:16:22,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:22,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1986 [2020-10-12 18:16:22,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-12 18:16:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:16:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 269 [2020-10-12 18:16:22,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:22,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:16:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:22,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:22,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:22,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:16:22,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:16:22,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:16:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:16:22,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:22,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:16:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:22,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:24,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:24,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 18:16:24,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1767 [2020-10-12 18:16:24,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-12 18:16:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-10-12 18:16:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:24,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:24,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:26,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:26,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-12 18:16:26,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1622 [2020-10-12 18:16:26,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-12 18:16:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-12 18:16:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:27,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:27,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 18:16:27,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1495 [2020-10-12 18:16:27,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-12 18:16:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-12 18:16:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:27,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:27,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:29,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:29,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 18:16:29,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1402 [2020-10-12 18:16:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-12 18:16:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 18:16:29,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:29,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:29,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:30,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:30,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 18:16:30,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-10-12 18:16:30,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 18:16:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:30,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 18:16:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:30,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:30,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:31,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:16:31,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-12 18:16:31,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:16:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:31,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:16:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:31,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:31,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:32,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:32,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:16:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1057 [2020-10-12 18:16:32,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:16:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:16:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:32,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:32,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:33,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:33,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:16:33,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:33,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-12 18:16:33,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:16:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:16:33,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:33,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:34,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:34,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:16:34,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:34,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-10-12 18:16:34,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:16:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:16:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:34,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:35,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:35,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:16:35,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:35,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 775 [2020-10-12 18:16:35,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:35,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:16:35,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:35,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:16:35,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:35,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:36,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:36,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:16:36,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 648 [2020-10-12 18:16:36,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:16:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:16:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:36,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:36,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:36,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:36,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:16:36,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:36,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-12 18:16:36,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:16:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:16:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:36,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:37,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:37,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:16:37,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-12 18:16:37,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:16:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:16:37,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:37,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:37,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:37,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:16:37,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-12 18:16:37,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:16:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:16:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:37,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:38,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:38,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:16:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:38,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 464 [2020-10-12 18:16:38,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:38,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:16:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:16:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:38,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:38,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:16:38,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-12 18:16:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:16:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:16:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:38,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:38,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:39,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:39,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:16:39,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-12 18:16:39,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:16:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:16:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:39,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:39,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:16:39,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-12 18:16:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:16:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:16:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:39,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:39,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:39,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:39,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:16:39,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-12 18:16:39,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:16:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:16:39,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:39,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:39,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:39,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:39,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:16:39,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:39,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-12 18:16:39,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:16:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:39,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:16:39,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:39,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:39,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:39,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:39,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:16:39,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-12 18:16:39,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:16:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:16:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:40,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:40,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:40,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:40,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:16:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 18:16:40,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:16:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:16:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:40,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:40,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:40,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:16:40,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:40,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-12 18:16:40,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:40,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:16:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:16:40,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:40,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:40,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:40,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:40,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:16:40,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:40,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-12 18:16:40,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:16:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:16:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:40,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:40,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:40,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:40,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:16:40,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 18:16:40,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:16:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:40,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:16:40,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:40,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:40,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:40,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:40,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:16:40,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 18:16:40,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:16:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:16:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:16:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:40,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:16:40,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:16:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:16:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:16:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:16:40,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:40,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:41,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:41,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:16:41,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:41,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 18:16:41,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:41,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:16:41,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:41,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:16:41,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:16:41,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:41,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:41,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:41,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:16:41,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:16:41,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:16:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:16:41,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:16:41,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:41,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:41,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:16:41,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:41,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:16:41,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:16:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:16:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:16:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 258 proven. 1530 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2020-10-12 18:16:41,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137627222] [2020-10-12 18:16:41,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:16:41,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-12 18:16:41,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772088859] [2020-10-12 18:16:41,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-12 18:16:41,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:16:41,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-12 18:16:41,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=503, Invalid=687, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 18:16:41,400 INFO L87 Difference]: Start difference. First operand 103 states and 104 transitions. Second operand 35 states. [2020-10-12 18:16:41,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:16:41,958 INFO L93 Difference]: Finished difference Result 110 states and 111 transitions. [2020-10-12 18:16:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 18:16:41,958 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 216 [2020-10-12 18:16:41,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:16:41,960 INFO L225 Difference]: With dead ends: 110 [2020-10-12 18:16:41,960 INFO L226 Difference]: Without dead ends: 106 [2020-10-12 18:16:41,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1523, Invalid=2637, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 18:16:41,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-12 18:16:41,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-10-12 18:16:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-12 18:16:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 107 transitions. [2020-10-12 18:16:41,967 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 107 transitions. Word has length 216 [2020-10-12 18:16:41,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:16:41,967 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 107 transitions. [2020-10-12 18:16:41,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-12 18:16:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 107 transitions. [2020-10-12 18:16:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-12 18:16:41,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:16:41,969 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:16:41,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-12 18:16:41,969 INFO L427 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:16:41,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:16:41,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1144876711, now seen corresponding path program 30 times [2020-10-12 18:16:41,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:16:41,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593731582] [2020-10-12 18:16:41,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:16:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:42,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:44,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:44,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-12 18:16:44,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:44,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1998 [2020-10-12 18:16:44,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-12 18:16:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:16:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 278 [2020-10-12 18:16:44,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:16:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:44,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:44,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:44,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:16:44,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:44,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:16:44,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:16:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:16:44,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:16:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:44,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2224 [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:46,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-12 18:16:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:46,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:46,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:48,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:48,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 18:16:48,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1867 [2020-10-12 18:16:48,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 63 [2020-10-12 18:16:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-10-12 18:16:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:50,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:50,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-12 18:16:50,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1773 [2020-10-12 18:16:50,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-12 18:16:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-12 18:16:50,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:50,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:50,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:51,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:51,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 18:16:51,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1525 [2020-10-12 18:16:51,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-12 18:16:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-12 18:16:51,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:51,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:51,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:53,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:53,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 18:16:53,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:53,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1353 [2020-10-12 18:16:53,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-12 18:16:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 18:16:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:53,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:53,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:54,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:54,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 18:16:54,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1302 [2020-10-12 18:16:54,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 18:16:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 18:16:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:54,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:55,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:55,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:16:55,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165 [2020-10-12 18:16:55,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:16:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:16:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:55,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:56,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:16:56,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:56,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1072 [2020-10-12 18:16:56,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:16:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:16:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:56,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:57,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:16:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-10-12 18:16:57,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:16:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:16:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:57,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:57,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:58,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:16:58,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-10-12 18:16:58,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:16:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:16:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:58,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:58,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:16:59,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:16:59,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:16:59,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:16:59,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-12 18:16:59,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:16:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:16:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:16:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:16:59,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:16:59,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:16:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:16:59,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:00,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:00,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:17:00,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-10-12 18:17:00,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:17:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:17:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:00,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:01,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:01,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:17:01,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-12 18:17:01,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:17:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:17:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:01,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:01,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:01,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:17:01,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:01,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-12 18:17:01,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:17:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:17:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:01,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:02,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:17:02,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-12 18:17:02,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:17:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:17:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:02,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:02,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:02,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:17:02,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:02,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-12 18:17:02,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:17:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:17:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:02,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:02,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:03,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:03,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:17:03,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:03,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-12 18:17:03,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:03,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:17:03,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:03,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:17:03,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:03,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:03,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:03,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:03,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:17:03,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:03,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-10-12 18:17:03,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:03,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:17:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:17:03,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:03,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:03,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:04,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:04,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:17:04,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-12 18:17:04,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:17:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:17:04,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:04,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:04,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:04,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:17:04,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-12 18:17:04,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:17:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:17:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:04,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:04,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:04,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:04,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:17:04,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-12 18:17:04,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:17:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:17:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:04,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:04,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:04,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:17:04,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:04,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-12 18:17:04,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:17:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:04,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:04,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:04,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:17:04,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:04,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 18:17:04,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:17:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:17:04,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:04,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:04,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:17:05,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 18:17:05,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:17:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:17:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:05,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:05,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:17:05,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 18:17:05,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:17:05,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:17:05,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:05,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:05,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:17:05,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 18:17:05,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:17:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:17:05,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:05,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:05,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:17:05,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 18:17:05,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:17:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:17:05,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:05,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:05,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:17:05,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 18:17:05,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:17:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:17:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:05,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:17:05,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:17:05,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:17:05,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:17:05,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:05,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:17:05,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:17:05,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:17:05,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:17:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:05,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:05,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:05,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:05,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:05,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:17:05,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:17:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:17:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 214 proven. 1851 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2020-10-12 18:17:05,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593731582] [2020-10-12 18:17:05,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:17:05,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 18:17:05,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364385001] [2020-10-12 18:17:05,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 18:17:05,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:05,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 18:17:05,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=794, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 18:17:05,955 INFO L87 Difference]: Start difference. First operand 106 states and 107 transitions. Second operand 37 states. [2020-10-12 18:17:06,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:06,566 INFO L93 Difference]: Finished difference Result 113 states and 114 transitions. [2020-10-12 18:17:06,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 18:17:06,567 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 223 [2020-10-12 18:17:06,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:06,569 INFO L225 Difference]: With dead ends: 113 [2020-10-12 18:17:06,569 INFO L226 Difference]: Without dead ends: 109 [2020-10-12 18:17:06,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1654, Invalid=2902, Unknown=0, NotChecked=0, Total=4556 [2020-10-12 18:17:06,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-12 18:17:06,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-12 18:17:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-12 18:17:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 110 transitions. [2020-10-12 18:17:06,576 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 110 transitions. Word has length 223 [2020-10-12 18:17:06,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:06,576 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 110 transitions. [2020-10-12 18:17:06,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 18:17:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2020-10-12 18:17:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 18:17:06,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:06,578 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:17:06,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-12 18:17:06,579 INFO L427 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:06,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:06,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1122595486, now seen corresponding path program 31 times [2020-10-12 18:17:06,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:06,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267136452] [2020-10-12 18:17:06,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:06,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:09,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:09,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-12 18:17:09,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2386 [2020-10-12 18:17:09,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:09,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-12 18:17:09,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:17:09,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 287 [2020-10-12 18:17:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:09,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:09,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:09,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:09,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:09,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:11,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-12 18:17:11,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2174 [2020-10-12 18:17:11,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-12 18:17:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 286 [2020-10-12 18:17:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:11,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:11,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:13,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:13,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-12 18:17:13,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:13,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2288 [2020-10-12 18:17:13,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 65 [2020-10-12 18:17:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-12 18:17:13,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:13,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:13,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:15,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1983 [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 63 [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-10-12 18:17:15,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:15,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:15,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:17,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:17,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-12 18:17:17,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:17,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1793 [2020-10-12 18:17:17,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:17,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-12 18:17:17,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-12 18:17:17,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:17,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:17,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:19,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:19,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 18:17:19,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:19,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1604 [2020-10-12 18:17:19,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-12 18:17:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:19,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-12 18:17:19,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:19,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:19,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:21,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:21,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 18:17:21,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:21,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2166 [2020-10-12 18:17:21,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-12 18:17:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:21,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 18:17:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:22,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:22,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 18:17:22,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1307 [2020-10-12 18:17:22,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 18:17:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-12 18:17:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:22,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:22,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:24,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:24,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 18:17:24,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1178 [2020-10-12 18:17:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 18:17:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-12 18:17:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:24,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:24,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:25,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:25,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 18:17:25,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:25,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1083 [2020-10-12 18:17:25,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:25,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 18:17:25,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:25,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 18:17:25,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:25,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:25,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:26,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:26,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 18:17:26,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:26,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 995 [2020-10-12 18:17:26,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 18:17:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 18:17:26,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:26,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:27,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:27,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 18:17:27,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:27,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 974 [2020-10-12 18:17:27,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 18:17:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:17:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:27,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:27,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:28,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:28,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 18:17:28,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:28,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-12 18:17:28,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 18:17:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 18:17:28,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:28,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:28,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:28,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:28,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:17:28,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 721 [2020-10-12 18:17:28,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 18:17:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-12 18:17:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:29,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:29,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:29,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:29,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 18:17:29,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:29,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 637 [2020-10-12 18:17:29,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 18:17:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:17:29,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:29,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:29,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:30,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:30,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 18:17:30,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:30,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-12 18:17:30,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 18:17:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 18:17:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:30,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:30,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:30,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:30,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 18:17:30,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-12 18:17:30,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 18:17:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 18:17:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:30,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:30,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:31,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:31,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 18:17:31,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:31,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 461 [2020-10-12 18:17:31,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:31,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 18:17:31,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:31,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 18:17:31,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:31,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:31,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:31,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:31,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 18:17:31,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:31,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-12 18:17:31,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 18:17:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 18:17:31,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:31,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:31,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:32,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:32,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 18:17:32,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:32,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-12 18:17:32,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:17:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 18:17:32,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:32,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:32,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:32,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:32,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 18:17:32,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:32,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-12 18:17:32,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:17:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 18:17:32,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:32,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:32,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:32,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:32,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 18:17:32,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:32,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-12 18:17:32,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:32,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:17:32,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:32,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 18:17:32,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:32,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:32,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:32,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:32,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 18:17:32,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:32,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-12 18:17:32,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:17:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:32,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 18:17:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:17:33,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-12 18:17:33,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:17:33,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 18:17:33,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:33,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 18:17:33,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 18:17:33,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:17:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:17:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:33,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 18:17:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 18:17:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:17:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 18:17:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:33,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:17:33,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 18:17:33,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:17:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 18:17:33,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:33,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 18:17:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 18:17:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:17:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 18:17:33,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:33,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:17:33,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:17:33,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:17:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:17:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:33,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 18:17:33,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 18:17:33,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:17:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:17:33,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:33,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:17:33,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:17:33,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:17:33,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:17:33,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:33,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:33,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:33,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 18:17:33,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:17:33,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:17:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:17:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:34,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:34,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:34,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:34,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:34,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:17:34,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:17:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:17:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3379 backedges. 251 proven. 1943 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2020-10-12 18:17:34,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267136452] [2020-10-12 18:17:34,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:17:34,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-12 18:17:34,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171039818] [2020-10-12 18:17:34,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-12 18:17:34,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:34,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-12 18:17:34,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=832, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 18:17:34,397 INFO L87 Difference]: Start difference. First operand 109 states and 110 transitions. Second operand 38 states. [2020-10-12 18:17:34,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:34,984 INFO L93 Difference]: Finished difference Result 116 states and 117 transitions. [2020-10-12 18:17:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 18:17:34,984 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 230 [2020-10-12 18:17:34,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:34,986 INFO L225 Difference]: With dead ends: 116 [2020-10-12 18:17:34,986 INFO L226 Difference]: Without dead ends: 112 [2020-10-12 18:17:34,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1758, Invalid=3072, Unknown=0, NotChecked=0, Total=4830 [2020-10-12 18:17:34,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-12 18:17:34,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-12 18:17:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-12 18:17:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 113 transitions. [2020-10-12 18:17:34,992 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 113 transitions. Word has length 230 [2020-10-12 18:17:34,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:34,993 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 113 transitions. [2020-10-12 18:17:34,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-12 18:17:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 113 transitions. [2020-10-12 18:17:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-12 18:17:34,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:34,994 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:17:34,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-12 18:17:34,995 INFO L427 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:34,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:34,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1055422653, now seen corresponding path program 32 times [2020-10-12 18:17:34,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:34,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608120632] [2020-10-12 18:17:34,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:37,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:37,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-12 18:17:37,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2365 [2020-10-12 18:17:37,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 68 [2020-10-12 18:17:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 18:17:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 296 [2020-10-12 18:17:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:37,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:37,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:37,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking...