/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=NARROWEST --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/product-lines/elevator_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:27:38,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:27:38,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:27:38,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:27:38,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:27:38,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:27:38,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:27:38,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:27:38,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:27:38,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:27:38,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:27:38,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:27:38,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:27:38,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:27:38,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:27:38,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:27:38,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:27:38,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:27:38,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:27:38,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:27:38,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:27:38,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:27:38,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:27:38,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:27:38,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:27:38,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:27:38,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:27:38,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:27:38,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:27:38,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:27:38,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:27:38,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:27:38,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:27:38,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:27:38,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:27:38,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:27:38,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:27:38,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:27:38,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:27:38,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:27:38,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:27:38,349 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 [2020-10-13 11:27:38,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:27:38,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:27:38,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:27:38,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:27:38,400 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:27:38,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:27:38,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:27:38,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:27:38,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:27:38,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:27:38,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:27:38,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:27:38,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:27:38,404 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:27:38,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:27:38,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:27:38,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:27:38,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:27:38,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:27:38,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:27:38,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:27:38,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:27:38,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:27:38,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:27:38,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:27:38,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:27:38,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:27:38,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:27:38,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:27:38,409 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:27:38,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:27:38,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:27:38,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:27:38,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:27:38,746 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:27:38,746 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2020-10-13 11:27:38,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56814fcb6/dfdcaf3d29f14d3bb53d3950d9891991/FLAGd32a117d9 [2020-10-13 11:27:39,344 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:27:39,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product01.cil.c [2020-10-13 11:27:39,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56814fcb6/dfdcaf3d29f14d3bb53d3950d9891991/FLAGd32a117d9 [2020-10-13 11:27:39,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56814fcb6/dfdcaf3d29f14d3bb53d3950d9891991 [2020-10-13 11:27:39,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:27:39,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:27:39,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:27:39,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:27:39,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:27:39,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:27:39" (1/1) ... [2020-10-13 11:27:39,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dee86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:39, skipping insertion in model container [2020-10-13 11:27:39,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:27:39" (1/1) ... [2020-10-13 11:27:39,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:27:39,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:27:40,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:27:40,331 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:27:40,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:27:40,538 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:27:40,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40 WrapperNode [2020-10-13 11:27:40,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:27:40,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:27:40,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:27:40,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:27:40,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (1/1) ... [2020-10-13 11:27:40,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (1/1) ... [2020-10-13 11:27:40,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (1/1) ... [2020-10-13 11:27:40,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (1/1) ... [2020-10-13 11:27:40,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (1/1) ... [2020-10-13 11:27:40,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (1/1) ... [2020-10-13 11:27:40,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (1/1) ... [2020-10-13 11:27:40,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:27:40,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:27:40,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:27:40,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:27:40,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (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 [2020-10-13 11:27:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:27:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:27:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:27:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:27:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:27:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:27:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:27:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:27:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:27:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:27:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:27:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:27:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:27:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:27:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:27:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:27:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:27:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:27:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:27:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:27:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:27:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:27:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:27:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:27:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:27:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:27:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:27:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:27:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:27:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:27:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:27:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:27:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:27:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:27:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:27:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:27:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:27:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:27:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:27:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:27:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:27:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:27:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:27:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:27:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:27:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:27:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:27:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:27:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:27:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:27:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:27:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:27:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:27:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:27:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:27:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:27:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:27:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:27:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:27:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:27:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:27:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:27:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:27:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:27:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:27:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:27:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:27:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:27:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:27:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:27:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:27:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:27:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:27:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:27:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:27:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:27:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:27:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:27:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:27:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:27:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:27:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:27:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:27:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:27:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:27:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:27:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:27:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:27:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:27:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:27:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:27:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:27:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:27:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:27:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:27:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:27:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:27:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:27:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:27:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:27:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:27:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:27:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:27:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:27:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:27:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:27:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:27:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:27:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:27:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:27:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:27:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:27:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:27:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:27:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:27:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:27:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:27:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:27:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:27:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:27:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:27:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:27:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:27:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:27:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:27:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:27:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:27:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:27:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:27:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:27:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:27:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:27:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:27:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:27:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:27:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:27:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:27:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:27:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:27:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:27:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:27:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:27:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:27:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:27:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:27:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:27:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:27:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:27:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:27:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:27:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:27:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:27:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:27:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:27:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:27:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:27:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:27:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:27:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:27:42,821 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:27:42,822 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:27:42,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:27:42 BoogieIcfgContainer [2020-10-13 11:27:42,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:27:42,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:27:42,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:27:42,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:27:42,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:27:39" (1/3) ... [2020-10-13 11:27:42,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344e01b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:27:42, skipping insertion in model container [2020-10-13 11:27:42,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:27:40" (2/3) ... [2020-10-13 11:27:42,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344e01b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:27:42, skipping insertion in model container [2020-10-13 11:27:42,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:27:42" (3/3) ... [2020-10-13 11:27:42,844 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product01.cil.c [2020-10-13 11:27:42,855 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:27:42,868 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:27:42,882 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:27:42,916 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:27:42,917 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:27:42,917 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:27:42,917 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:27:42,917 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:27:42,918 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:27:42,918 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:27:42,918 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:27:42,965 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states. [2020-10-13 11:27:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 11:27:42,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:42,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:42,995 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:43,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:43,001 INFO L82 PathProgramCache]: Analyzing trace with hash 579631, now seen corresponding path program 1 times [2020-10-13 11:27:43,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:43,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368984105] [2020-10-13 11:27:43,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:43,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:43,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:43,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:44,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:44,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:46,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:48,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:48,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 11:27:48,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:48,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-13 11:27:48,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:27:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:27:49,701 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:27:49,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:49,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:49,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 11:27:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:49,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:49,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:49,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:49,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:49,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:49,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:49,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:49,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:49,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:49,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:49,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:49,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:49,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:49,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:49,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:49,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:49,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:49,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:49,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:49,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:49,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:49,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 11:27:49,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:49,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:49,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:49,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:49,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:49,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:49,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:49,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:49,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:49,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:49,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:49,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:27:49,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:49,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:49,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:49,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:50,072 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:27:50,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:50,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:50,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 11:27:55,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:27:55,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:27:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:27:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:27:55,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:27:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-13 11:27:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:27:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:27:55,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:55,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:55,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:27:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:27:55,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:27:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:27:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 11:27:55,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:27:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:27:55,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:27:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:55,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:55,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:55,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:27:55,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:55,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:55,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:55,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:55,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:55,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:27:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:55,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:55,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:56,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:58,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:58,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:00,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 11:28:00,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:28:00,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4348 [2020-10-13 11:28:00,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:00,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 11:28:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:00,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:00,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:02,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:02,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:28:02,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:28:02,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2287 [2020-10-13 11:28:02,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:02,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:02,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:02,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:02,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:02,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:02,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:02,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:02,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:02,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:02,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:02,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:02,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:02,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:02,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:02,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:02,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:02,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:02,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:02,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:02,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:02,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:28:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:02,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:02,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:02,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:28:02,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:02,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:02,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:28:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:02,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:02,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:02,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:02,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:02,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:02,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:02,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:02,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:28:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:02,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:02,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:02,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:02,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:02,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:02,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:02,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:02,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:02,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:02,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:02,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:02,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:02,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:02,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:02,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:28:02,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368984105] [2020-10-13 11:28:02,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:28:02,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:28:02,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963199229] [2020-10-13 11:28:02,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:28:02,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:02,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:28:02,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:28:02,777 INFO L87 Difference]: Start difference. First operand 721 states. Second operand 10 states. [2020-10-13 11:28:03,716 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:28:04,514 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-13 11:28:05,189 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-13 11:28:06,666 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:28:27,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:28:27,245 INFO L93 Difference]: Finished difference Result 1657 states and 3008 transitions. [2020-10-13 11:28:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:28:27,247 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-10-13 11:28:27,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:28:27,281 INFO L225 Difference]: With dead ends: 1657 [2020-10-13 11:28:27,282 INFO L226 Difference]: Without dead ends: 1085 [2020-10-13 11:28:27,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:28:27,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2020-10-13 11:28:27,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 561. [2020-10-13 11:28:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-13 11:28:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 909 transitions. [2020-10-13 11:28:27,554 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 909 transitions. Word has length 107 [2020-10-13 11:28:27,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:28:27,555 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 909 transitions. [2020-10-13 11:28:27,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:28:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 909 transitions. [2020-10-13 11:28:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-13 11:28:27,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:28:27,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:28:27,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:28:27,564 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:28:27,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:28:27,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1624649059, now seen corresponding path program 1 times [2020-10-13 11:28:27,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:28:27,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725649150] [2020-10-13 11:28:27,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:28:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:27,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:27,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:27,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:28,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:32,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:32,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 11:28:32,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:28:32,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:28:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-13 11:28:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:28:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:33,372 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:28:33,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:33,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:33,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:33,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:33,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:28:33,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:33,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:28:33,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:28:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:33,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:33,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:33,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:33,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:28:33,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:28:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:33,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:33,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:33,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:33,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:33,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:28:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:33,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:33,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:33,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:33,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:33,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:33,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:33,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:33,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:33,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:33,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:28:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:33,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:28:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:33,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:33,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:33,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:33,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:33,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:33,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:33,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:33,639 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:28:33,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:28:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:33,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:33,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:34,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:36,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:36,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:36,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:38,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 11:28:38,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:28:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:28:38,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:28:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:28:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:28:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:38,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:28:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:38,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:38,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:39,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:28:39,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-13 11:28:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:39,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:39,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:39,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:28:39,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:28:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:39,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:28:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:28:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:39,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:28:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:39,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:39,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:39,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:39,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:28:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:39,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:39,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:41,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:41,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 11:28:41,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:41,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2177 [2020-10-13 11:28:41,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:28:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 11:28:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:28:41,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:41,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:41,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:41,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:41,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:41,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:42,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 11:28:42,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:28:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1634 [2020-10-13 11:28:42,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:28:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 11:28:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:28:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:43,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:43,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:43,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:28:43,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:43,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:43,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:43,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:43,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:43,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:28:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:28:43,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:43,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:28:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:43,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:43,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:28:43,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:43,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:28:43,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:28:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:28:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:43,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:28:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:43,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:28:43,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:28:43,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:28:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:43,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:43,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:28:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:43,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:43,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:28:43,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:28:43,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:28:43,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:43,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:28:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:28:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:28:43,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:28:43,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:28:43,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:28:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:28:43,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:28:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:28:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:28:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:28:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:28:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:28:43,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725649150] [2020-10-13 11:28:43,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:28:43,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:28:43,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030959868] [2020-10-13 11:28:43,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:28:43,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:28:43,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:28:43,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:28:43,214 INFO L87 Difference]: Start difference. First operand 561 states and 909 transitions. Second operand 11 states. [2020-10-13 11:28:45,441 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:28:46,388 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-13 11:28:47,196 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-13 11:28:47,357 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 11:28:48,127 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:28:48,266 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 11:28:54,141 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:29:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:29:04,561 INFO L93 Difference]: Finished difference Result 1564 states and 2867 transitions. [2020-10-13 11:29:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:29:04,562 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2020-10-13 11:29:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:29:04,575 INFO L225 Difference]: With dead ends: 1564 [2020-10-13 11:29:04,575 INFO L226 Difference]: Without dead ends: 1096 [2020-10-13 11:29:04,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-13 11:29:04,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2020-10-13 11:29:04,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 565. [2020-10-13 11:29:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-10-13 11:29:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 914 transitions. [2020-10-13 11:29:04,762 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 914 transitions. Word has length 110 [2020-10-13 11:29:04,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:29:04,762 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 914 transitions. [2020-10-13 11:29:04,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:29:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 914 transitions. [2020-10-13 11:29:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-13 11:29:04,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:04,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:04,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:29:04,768 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:04,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:04,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1077959819, now seen corresponding path program 1 times [2020-10-13 11:29:04,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:04,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459183901] [2020-10-13 11:29:04,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:04,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:04,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:05,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:06,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:06,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:08,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:08,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:08,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:09,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:09,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 11:29:09,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:29:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:29:09,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-13 11:29:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,478 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:29:10,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:10,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:10,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:10,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:29:10,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:10,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:10,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:10,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:10,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:10,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:10,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:10,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:10,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:10,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:10,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:10,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:10,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:10,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:10,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:10,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:10,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:10,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:10,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:10,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:10,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:10,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:10,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:10,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:10,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:10,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:10,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:10,716 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:29:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:10,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:14,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:14,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:14,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:15,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:15,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 11:29:15,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 11:29:15,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:29:15,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:29:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:15,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:15,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:15,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:15,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:15,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:15,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:16,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:29:16,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-13 11:29:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:16,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:16,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:16,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:16,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:16,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:16,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:16,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:29:16,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:16,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:29:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:16,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:16,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:16,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:16,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:16,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:16,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:16,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:16,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:16,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:20,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:29:20,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:20,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3944 [2020-10-13 11:29:20,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:20,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:29:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:20,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:20,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:21,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:29:23,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2861 [2020-10-13 11:29:23,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:29:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:23,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:23,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:23,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:23,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:29:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:29:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:29:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:29:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:29:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:23,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:23,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:29:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 11:29:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:23,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:23,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:29:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:23,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:29:23,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:29:23,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459183901] [2020-10-13 11:29:23,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:23,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:29:23,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997878304] [2020-10-13 11:29:23,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:29:23,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:23,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:29:23,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:29:23,246 INFO L87 Difference]: Start difference. First operand 565 states and 914 transitions. Second operand 9 states. [2020-10-13 11:29:24,211 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:29:25,370 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-13 11:29:30,668 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:30:06,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:30:06,861 INFO L93 Difference]: Finished difference Result 2407 states and 4541 transitions. [2020-10-13 11:30:06,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:30:06,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-10-13 11:30:06,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:30:06,883 INFO L225 Difference]: With dead ends: 2407 [2020-10-13 11:30:06,883 INFO L226 Difference]: Without dead ends: 1935 [2020-10-13 11:30:06,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:30:06,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2020-10-13 11:30:07,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 984. [2020-10-13 11:30:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-13 11:30:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1596 transitions. [2020-10-13 11:30:07,222 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1596 transitions. Word has length 114 [2020-10-13 11:30:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:30:07,222 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1596 transitions. [2020-10-13 11:30:07,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:30:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1596 transitions. [2020-10-13 11:30:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 11:30:07,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:30:07,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:30:07,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:30:07,233 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:30:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:30:07,234 INFO L82 PathProgramCache]: Analyzing trace with hash -680377252, now seen corresponding path program 1 times [2020-10-13 11:30:07,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:30:07,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720401850] [2020-10-13 11:30:07,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:30:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:09,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:09,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:12,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:12,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 11:30:12,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:30:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:30:12,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:12,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-13 11:30:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:12,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:13,056 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:30:13,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:13,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:13,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:13,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:30:13,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:13,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:13,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:13,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:13,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:13,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:13,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:13,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:13,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:13,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:13,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:13,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:13,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:13,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:13,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:13,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:13,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:13,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:13,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:13,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:13,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:13,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:13,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:13,290 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:30:13,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:13,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:18,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-13 11:30:18,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:30:18,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:30:18,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 11:30:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:18,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:18,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:30:18,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:30:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-13 11:30:18,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:18,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:18,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:18,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:18,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:30:18,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:18,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:18,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:18,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:18,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:18,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:30:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:18,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:18,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:18,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:30:18,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:30:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:18,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:18,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:18,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:18,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:18,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:23,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:30:23,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:23,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:30:23,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:23,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:23,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 11:30:23,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:23,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:23,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:23,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 11:30:28,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 11:30:28,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 11:30:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:28,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:28,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:28,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:28,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:28,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:28,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:28,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:28,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:28,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:28,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:28,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:28,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:30:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:28,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 11:30:28,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:30:28,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:30:28,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 11:30:28,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:30:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:30:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:28,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:28,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:30:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:28,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:28,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:28,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:30:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:30:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:28,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:30:28,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:30:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:28,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:28,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:28,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:28,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:28,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:28,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:28,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:30:28,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720401850] [2020-10-13 11:30:28,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:30:28,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:30:28,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929375044] [2020-10-13 11:30:28,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:30:28,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:30:28,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:30:28,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:30:28,901 INFO L87 Difference]: Start difference. First operand 984 states and 1596 transitions. Second operand 9 states. [2020-10-13 11:30:29,863 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-13 11:30:30,983 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-13 11:30:32,024 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-13 11:30:36,723 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:31:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:31:13,206 INFO L93 Difference]: Finished difference Result 4321 states and 8247 transitions. [2020-10-13 11:31:13,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:31:13,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 119 [2020-10-13 11:31:13,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:31:13,238 INFO L225 Difference]: With dead ends: 4321 [2020-10-13 11:31:13,238 INFO L226 Difference]: Without dead ends: 3430 [2020-10-13 11:31:13,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:31:13,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-10-13 11:31:13,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 1775. [2020-10-13 11:31:13,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-10-13 11:31:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2901 transitions. [2020-10-13 11:31:13,772 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2901 transitions. Word has length 119 [2020-10-13 11:31:13,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:31:13,772 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 2901 transitions. [2020-10-13 11:31:13,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:31:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2901 transitions. [2020-10-13 11:31:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:31:13,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:13,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:13,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:31:13,778 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:13,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:13,779 INFO L82 PathProgramCache]: Analyzing trace with hash -940172735, now seen corresponding path program 1 times [2020-10-13 11:31:13,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:13,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866293570] [2020-10-13 11:31:13,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:13,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:14,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:14,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:19,496 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-13 11:31:19,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:19,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:19,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:19,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:19,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:31:19,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:19,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:19,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:19,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:19,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:19,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:19,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:19,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:19,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:19,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:19,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:19,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:19,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:19,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:19,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:19,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:19,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:19,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:19,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:19,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:19,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:19,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:19,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:19,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:19,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:19,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:19,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:19,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:19,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:19,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:19,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:19,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:19,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:19,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:19,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:19,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:19,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:19,740 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 11:31:19,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:19,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:19,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking...