/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:39:21,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:39:21,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:39:21,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:39:21,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:39:21,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:39:21,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:39:21,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:39:21,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:39:21,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:39:21,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:39:21,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:39:21,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:39:21,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:39:21,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:39:21,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:39:21,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:39:21,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:39:21,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:39:21,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:39:21,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:39:21,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:39:21,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:39:21,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:39:21,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:39:21,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:39:21,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:39:21,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:39:21,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:39:21,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:39:21,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:39:21,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:39:21,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:39:21,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:39:21,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:39:21,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:39:21,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:39:21,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:39:21,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:39:21,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:39:21,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:39:21,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:39:21,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:39:21,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:39:21,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:39:21,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:39:21,562 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:39:21,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:39:21,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:39:21,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:39:21,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:39:21,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:39:21,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:39:21,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:39:21,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:39:21,565 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:39:21,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:39:21,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:39:21,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:39:21,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:39:21,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:39:21,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:39:21,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:39:21,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:39:21,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:39:21,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:39:21,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:39:21,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:39:21,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:39:21,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:39:21,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:39:21,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:39:21,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:39:21,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:39:21,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:39:21,899 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:39:21,899 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:39:21,900 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-12 16:39:21,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04c3e3939/2563c669145c4c58a0c7c3c4be752d42/FLAGf487e8ec2 [2020-10-12 16:39:22,606 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:39:22,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-12 16:39:22,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04c3e3939/2563c669145c4c58a0c7c3c4be752d42/FLAGf487e8ec2 [2020-10-12 16:39:22,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04c3e3939/2563c669145c4c58a0c7c3c4be752d42 [2020-10-12 16:39:22,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:39:22,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:39:22,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:22,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:39:22,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:39:22,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:22" (1/1) ... [2020-10-12 16:39:22,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d7d7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:22, skipping insertion in model container [2020-10-12 16:39:22,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:39:22" (1/1) ... [2020-10-12 16:39:22,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:39:22,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:39:23,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:23,619 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:39:23,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:39:23,853 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:39:23,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23 WrapperNode [2020-10-12 16:39:23,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:39:23,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:39:23,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:39:23,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:39:23,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... [2020-10-12 16:39:23,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... [2020-10-12 16:39:23,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... [2020-10-12 16:39:23,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... [2020-10-12 16:39:24,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... [2020-10-12 16:39:24,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... [2020-10-12 16:39:24,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... [2020-10-12 16:39:24,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:39:24,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:39:24,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:39:24,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:39:24,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:39:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:39:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:39:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:39:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:39:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:39:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:39:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:39:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:39:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:39:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:39:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:39:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:39:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:39:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:39:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:39:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:39:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:39:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:39:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:39:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:39:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:39:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:39:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:39:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:39:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:39:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:39:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:39:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:39:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:39:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:39:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:39:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:39:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:39:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:39:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:39:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:39:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:39:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:39:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:39:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:39:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:39:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:39:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:39:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:39:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:39:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:39:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:39:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:39:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:39:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:39:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:39:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:39:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:39:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:39:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:39:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:39:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:39:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:39:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:39:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:39:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:39:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:39:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:39:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:39:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-12 16:39:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:39:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-12 16:39:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:39:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:39:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:39:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:39:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:39:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:39:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:39:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:39:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:39:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:39:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:39:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:39:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:39:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:39:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:39:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:39:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:39:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:39:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:39:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:39:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:39:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:39:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:39:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:39:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:39:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:39:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:39:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:39:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:39:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-12 16:39:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:39:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:39:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:39:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:39:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:39:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:39:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:39:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:39:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:39:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:39:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:39:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:39:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:39:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:39:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:39:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:39:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:39:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:39:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:39:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:39:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:39:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:39:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:39:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:39:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:39:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:39:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-12 16:39:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-12 16:39:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:39:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:39:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:39:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:39:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:39:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:39:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:39:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:39:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:39:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:39:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:39:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:39:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:39:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:39:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:39:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:39:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:39:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:39:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:39:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:39:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:39:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:39:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:39:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-12 16:39:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-12 16:39:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-12 16:39:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:39:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:39:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:39:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:39:26,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:39:26,414 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:39:26,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:26 BoogieIcfgContainer [2020-10-12 16:39:26,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:39:26,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:39:26,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:39:26,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:39:26,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:39:22" (1/3) ... [2020-10-12 16:39:26,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb46cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:26, skipping insertion in model container [2020-10-12 16:39:26,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:39:23" (2/3) ... [2020-10-12 16:39:26,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb46cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:39:26, skipping insertion in model container [2020-10-12 16:39:26,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:39:26" (3/3) ... [2020-10-12 16:39:26,432 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product22.cil.c [2020-10-12 16:39:26,443 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:39:26,452 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:39:26,467 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:39:26,494 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:39:26,494 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:39:26,494 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:39:26,494 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:39:26,494 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:39:26,495 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:39:26,495 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:39:26,495 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:39:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-12 16:39:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 16:39:26,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:39:26,573 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:39:26,574 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:39:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:39:26,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1159872126, now seen corresponding path program 1 times [2020-10-12 16:39:26,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:39:26,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211161919] [2020-10-12 16:39:26,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:39:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:27,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:27,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:27,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:27,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:28,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:29,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:32,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:32,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 16:39:32,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:39:32,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-10-12 16:39:32,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 16:39:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:39:33,240 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:39:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:33,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:33,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:33,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:33,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 16:39:33,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:33,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:33,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:33,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:39:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:33,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:33,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:33,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:33,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:33,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:33,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:33,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:33,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:39:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:33,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:33,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:33,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:33,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:33,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 16:39:33,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:39:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:33,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:33,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:33,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:33,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:33,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:33,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:33,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:33,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:39:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:33,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:33,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:39:33,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:33,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:39:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:33,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:33,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:33,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:33,667 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:39:33,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:33,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:34,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:34,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:36,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:38,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 16:39:38,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:39:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 16:39:38,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:39:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:38,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:38,869 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:39:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:39:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:38,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:38,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:40,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:40,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:39:40,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1161 [2020-10-12 16:39:40,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:40,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:40,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:40,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 16:39:40,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:39:40,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:40,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:40,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:40,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:40,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-12 16:39:40,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:40,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:40,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:40,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:40,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:40,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 16:39:40,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:40,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:40,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:40,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:40,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:40,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:39:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:40,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:39:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:40,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:40,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:41,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 16:39:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:39:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1067 [2020-10-12 16:39:41,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:39:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:39:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:39:41,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:41,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:41,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:39:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:39:41,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:39:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:41,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:41,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:39:42,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:39:42,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-12 16:39:42,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:39:42,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:39:42,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:39:42,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:42,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:39:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:39:42,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 16:39:42,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:39:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:39:42,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:42,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:39:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:39:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:39:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:39:42,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:39:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 16:39:42,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:39:42,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 16:39:42,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-12 16:39:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:42,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:39:42,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:42,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:39:42,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:42,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:42,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:42,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:42,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:39:42,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:39:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:39:42,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:39:42,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:39:42,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:39:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:39:42,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:39:42,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:39:42,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:39:42,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:39:42,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:39:42,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:39:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:39:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:39:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:39:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:39:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 16:39:42,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211161919] [2020-10-12 16:39:42,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:39:42,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:39:42,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755798441] [2020-10-12 16:39:42,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:39:42,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:39:42,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:39:42,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:39:42,683 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 20 states. [2020-10-12 16:39:45,598 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:46,395 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:39:47,312 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-12 16:39:48,178 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:48,983 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:49,845 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:50,662 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:51,621 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:52,536 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:39:53,431 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:54,276 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:55,106 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:39:56,170 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:39:58,237 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:39:59,014 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:40:17,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:40:17,390 INFO L93 Difference]: Finished difference Result 1562 states and 2636 transitions. [2020-10-12 16:40:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 16:40:17,392 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 116 [2020-10-12 16:40:17,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:40:17,422 INFO L225 Difference]: With dead ends: 1562 [2020-10-12 16:40:17,422 INFO L226 Difference]: Without dead ends: 938 [2020-10-12 16:40:17,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=250, Invalid=1820, Unknown=0, NotChecked=0, Total=2070 [2020-10-12 16:40:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-10-12 16:40:17,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 651. [2020-10-12 16:40:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-12 16:40:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1035 transitions. [2020-10-12 16:40:17,787 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1035 transitions. Word has length 116 [2020-10-12 16:40:17,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:40:17,788 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 1035 transitions. [2020-10-12 16:40:17,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:40:17,788 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1035 transitions. [2020-10-12 16:40:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 16:40:17,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:40:17,795 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:40:17,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:40:17,795 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:40:17,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:40:17,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1018770321, now seen corresponding path program 1 times [2020-10-12 16:40:17,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:40:17,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354581223] [2020-10-12 16:40:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:40:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:17,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:18,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:18,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:19,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:19,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:20,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:21,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:22,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:22,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-12 16:40:22,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 16:40:22,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 16:40:22,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 16:40:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:22,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:23,671 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:40:23,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:23,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 16:40:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:23,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:40:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:23,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:23,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:23,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:40:23,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:23,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:23,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:23,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:23,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:23,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:40:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:23,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:23,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:23,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:23,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:23,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:40:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:23,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:23,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:23,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:23,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:40:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:40:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:23,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:23,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:40:23,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:23,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:23,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:23,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:40:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:23,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:23,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:23,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:23,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:23,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:23,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:23,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:23,962 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:40:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:40:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:23,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:26,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:27,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:28,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:28,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 16:40:28,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:40:28,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 16:40:28,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:40:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-12 16:40:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:40:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:29,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:40:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:29,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:29,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 16:40:29,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:40:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-12 16:40:29,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:40:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:40:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:29,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:29,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:29,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 16:40:29,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:40:29,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:40:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 16:40:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:29,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:29,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:40:29,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:29,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 16:40:29,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:29,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:29,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:40:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:29,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:40:29,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:40:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:40:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:40:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:29,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:29,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:29,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:40:29,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:29,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:29,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:29,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:29,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:29,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:29,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:29,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:40:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:29,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:30,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:30,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 16:40:32,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:40:32,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2811 [2020-10-12 16:40:32,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:40:32,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:40:32,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:40:32,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:40:32,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:40:32,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:40:32,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:40:32,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:32,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:40:32,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:40:32,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:40:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-12 16:40:32,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:40:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:40:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 16:40:32,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:40:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:40:32,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:40:32,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 16:40:32,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:40:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:32,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:40:32,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:40:32,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:32,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:40:32,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:40:32,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:32,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:40:32,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:40:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:40:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 16:40:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:40:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:40:32,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:32,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 16:40:32,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:32,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:32,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:32,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:32,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:32,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:32,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:40:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:40:32,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:40:32,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:40:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:40:32,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:40:32,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:40:32,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:40:32,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:40:32,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:40:32,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:40:33,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:40:33,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:40:33,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:40:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:40:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:40:33,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354581223] [2020-10-12 16:40:33,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:40:33,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:40:33,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502274480] [2020-10-12 16:40:33,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:40:33,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:40:33,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:40:33,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:40:33,085 INFO L87 Difference]: Start difference. First operand 651 states and 1035 transitions. Second operand 21 states. [2020-10-12 16:40:35,340 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:36,130 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:36,950 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-12 16:40:37,908 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:40:38,694 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:40:39,719 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:40,839 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:40:42,901 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:01,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:41:01,751 INFO L93 Difference]: Finished difference Result 1596 states and 2695 transitions. [2020-10-12 16:41:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 16:41:01,752 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 125 [2020-10-12 16:41:01,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:41:01,763 INFO L225 Difference]: With dead ends: 1596 [2020-10-12 16:41:01,763 INFO L226 Difference]: Without dead ends: 954 [2020-10-12 16:41:01,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=266, Invalid=1626, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 16:41:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-10-12 16:41:01,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 662. [2020-10-12 16:41:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-12 16:41:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1041 transitions. [2020-10-12 16:41:01,928 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1041 transitions. Word has length 125 [2020-10-12 16:41:01,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:41:01,929 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 1041 transitions. [2020-10-12 16:41:01,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:41:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1041 transitions. [2020-10-12 16:41:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-12 16:41:01,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:41:01,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:41:01,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:41:01,933 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:41:01,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:41:01,933 INFO L82 PathProgramCache]: Analyzing trace with hash -811888020, now seen corresponding path program 1 times [2020-10-12 16:41:01,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:41:01,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161994251] [2020-10-12 16:41:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:41:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:02,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:02,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:02,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:02,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:02,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:03,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:05,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:05,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:07,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:07,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 16:41:07,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:41:07,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-12 16:41:07,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:41:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-12 16:41:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:41:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:07,856 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:41:07,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:41:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:07,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:07,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:07,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:07,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:07,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 16:41:07,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:07,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:41:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:07,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:07,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:07,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:07,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:07,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:07,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:07,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:07,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:07,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:07,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:07,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:07,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:07,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:07,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:41:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:07,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:07,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:41:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:07,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:07,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:07,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:07,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:07,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:07,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:07,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:07,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:41:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:07,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:07,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:07,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:07,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:08,157 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:41:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:41:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:08,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:08,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:10,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:13,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 16:41:13,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:41:13,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 16:41:13,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:13,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 16:41:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 16:41:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:13,366 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:41:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:41:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:13,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:13,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 16:41:13,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:41:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-12 16:41:13,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:41:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:41:13,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:13,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:13,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:41:13,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:13,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:41:13,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:41:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:41:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:13,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 16:41:13,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:41:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 16:41:13,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 16:41:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:13,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:41:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:41:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:41:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:41:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:41:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:13,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:13,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:41:13,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:13,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:13,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:13,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:41:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:13,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:14,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:15,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 16:41:15,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:41:15,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1491 [2020-10-12 16:41:15,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:41:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:41:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 16:41:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:15,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:15,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:15,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:41:15,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:41:15,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:41:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:41:15,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:15,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:15,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 16:41:16,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:41:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-12 16:41:16,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:41:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:41:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:41:16,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:16,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 16:41:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:41:16,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:41:16,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 16:41:16,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:41:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:41:16,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:41:16,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:41:16,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:16,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:41:16,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:41:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:41:16,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:41:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:41:16,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:16,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 16:41:16,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:41:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:16,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:41:16,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:41:16,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:16,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:16,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:16,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:16,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:41:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:41:16,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:16,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:41:16,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:16,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:16,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:41:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:16,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:16,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:16,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:16,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:16,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:16,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:16,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:41:16,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161994251] [2020-10-12 16:41:16,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:41:16,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:41:16,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614334121] [2020-10-12 16:41:16,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:41:16,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:41:16,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:41:16,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:41:16,754 INFO L87 Difference]: Start difference. First operand 662 states and 1041 transitions. Second operand 20 states. [2020-10-12 16:41:18,980 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-12 16:41:19,910 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-12 16:41:20,848 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2020-10-12 16:41:21,818 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:22,671 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:41:23,867 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:25,080 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:27,670 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-12 16:41:28,922 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:29,757 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:41:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:41:51,896 INFO L93 Difference]: Finished difference Result 1602 states and 2689 transitions. [2020-10-12 16:41:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 16:41:51,897 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 129 [2020-10-12 16:41:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:41:51,907 INFO L225 Difference]: With dead ends: 1602 [2020-10-12 16:41:51,907 INFO L226 Difference]: Without dead ends: 962 [2020-10-12 16:41:51,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=287, Invalid=1875, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 16:41:51,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-10-12 16:41:52,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 674. [2020-10-12 16:41:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-10-12 16:41:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1056 transitions. [2020-10-12 16:41:52,064 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1056 transitions. Word has length 129 [2020-10-12 16:41:52,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:41:52,064 INFO L479 AbstractCegarLoop]: Abstraction has 674 states and 1056 transitions. [2020-10-12 16:41:52,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:41:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1056 transitions. [2020-10-12 16:41:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 16:41:52,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:41:52,067 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:41:52,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:41:52,067 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:41:52,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:41:52,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1921809224, now seen corresponding path program 1 times [2020-10-12 16:41:52,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:41:52,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179191902] [2020-10-12 16:41:52,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:41:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:52,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:52,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:52,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:52,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:52,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:53,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:54,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:56,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:57,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-12 16:41:57,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 16:41:57,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 16:41:57,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:57,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:41:57,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-12 16:41:57,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 16:41:57,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:57,909 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:41:57,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:41:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:57,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:57,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:57,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:57,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 16:41:57,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:57,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:41:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:57,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:41:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:57,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:57,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:57,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:57,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:57,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:57,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:57,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:41:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:57,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:57,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:57,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:57,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:41:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:57,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:57,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:57,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:41:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:57,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:57,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:41:57,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:41:57,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:41:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:41:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:41:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:41:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:41:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:41:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:41:58,172 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:41:58,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:41:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:41:58,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:58,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:59,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:41:59,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:03,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 16:42:03,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:42:03,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 16:42:03,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:03,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 16:42:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:42:03,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:03,329 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:42:03,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:03,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:03,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:04,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 16:42:04,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:42:04,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 945 [2020-10-12 16:42:04,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:42:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:42:04,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:04,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:04,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:42:04,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:04,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:42:04,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:42:04,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:04,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:42:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:04,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:04,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:42:04,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:42:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-12 16:42:04,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:42:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:04,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:04,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:04,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:42:04,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:42:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 16:42:04,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:42:04,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:04,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:04,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:04,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:04,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:42:04,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:04,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:42:04,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:04,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:42:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:04,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:04,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:42:05,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:42:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 816 [2020-10-12 16:42:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:42:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:42:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 16:42:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:05,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:05,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:42:05,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:05,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:42:05,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:05,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:05,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:05,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:42:05,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:05,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:42:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:05,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:05,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 16:42:05,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:42:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-12 16:42:05,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:42:05,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:42:05,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:05,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:05,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:05,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:05,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 16:42:05,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:42:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 16:42:05,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:42:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:42:06,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:42:06,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:42:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:42:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:42:06,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:06,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:42:06,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:42:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:06,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:42:06,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:42:06,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:06,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:06,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:06,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:42:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:42:06,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:06,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:06,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:06,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:06,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:06,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:06,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:06,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:06,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:06,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 16:42:06,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179191902] [2020-10-12 16:42:06,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:42:06,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 16:42:06,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394041863] [2020-10-12 16:42:06,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:42:06,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:42:06,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:42:06,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:42:06,220 INFO L87 Difference]: Start difference. First operand 674 states and 1056 transitions. Second operand 24 states. [2020-10-12 16:42:08,482 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:09,359 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:10,249 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:11,042 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:11,852 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:42:13,407 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 407 DAG size of output: 402 [2020-10-12 16:42:14,333 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:15,551 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-12 16:42:16,680 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:19,998 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:20,863 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:42:47,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:42:47,304 INFO L93 Difference]: Finished difference Result 1627 states and 2763 transitions. [2020-10-12 16:42:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 16:42:47,305 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 134 [2020-10-12 16:42:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:42:47,315 INFO L225 Difference]: With dead ends: 1627 [2020-10-12 16:42:47,315 INFO L226 Difference]: Without dead ends: 994 [2020-10-12 16:42:47,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=303, Invalid=2667, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 16:42:47,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2020-10-12 16:42:47,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 683. [2020-10-12 16:42:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-10-12 16:42:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1065 transitions. [2020-10-12 16:42:47,512 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1065 transitions. Word has length 134 [2020-10-12 16:42:47,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:42:47,512 INFO L479 AbstractCegarLoop]: Abstraction has 683 states and 1065 transitions. [2020-10-12 16:42:47,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 16:42:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1065 transitions. [2020-10-12 16:42:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 16:42:47,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:42:47,516 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:42:47,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 16:42:47,516 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:42:47,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:42:47,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1437103146, now seen corresponding path program 1 times [2020-10-12 16:42:47,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:42:47,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919229633] [2020-10-12 16:42:47,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:42:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:47,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:47,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:47,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:48,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:49,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:52,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:52,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 16:42:52,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 16:42:52,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 16:42:52,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-12 16:42:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:42:52,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,331 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:42:53,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:53,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 16:42:53,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:53,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:53,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:53,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:42:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:53,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:53,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:53,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:42:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:53,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:53,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:53,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:42:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:42:53,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:42:53,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:42:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:53,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:42:53,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:42:53,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:42:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:42:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:53,617 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 16:42:53,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:42:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:53,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:53,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:54,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:55,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:55,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:58,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:58,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 16:42:58,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 16:42:58,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 16:42:58,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:42:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 16:42:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:42:58,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:58,782 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:42:58,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:42:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:58,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:58,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:58,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:58,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:42:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:42:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:42:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 16:42:59,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:42:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 16:42:59,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:42:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:42:59,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:42:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 16:42:59,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:42:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:42:59,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:42:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:42:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:42:59,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:42:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:42:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:42:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:42:59,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:42:59,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:42:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:42:59,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:42:59,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 16:43:00,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:43:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1091 [2020-10-12 16:43:00,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:43:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:43:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:43:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:43:00,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:43:00,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:43:00,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:43:00,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:43:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 16:43:00,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:43:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-12 16:43:00,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:43:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:43:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 16:43:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:43:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 16:43:00,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:43:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 16:43:00,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:43:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 16:43:00,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:00,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:00,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:43:00,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:43:00,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:43:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:43:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:01,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:43:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:01,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:01,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:01,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:43:01,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:43:01,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:43:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:01,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:01,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:01,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:01,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:43:01,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:43:01,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:01,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:01,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:01,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:43:01,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:01,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:43:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:01,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:01,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:01,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:43:01,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:43:01,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:01,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:01,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:01,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:01,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:01,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:43:01,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:43:01,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919229633] [2020-10-12 16:43:01,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:43:01,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:43:01,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29730680] [2020-10-12 16:43:01,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:43:01,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:43:01,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:43:01,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:43:01,175 INFO L87 Difference]: Start difference. First operand 683 states and 1065 transitions. Second operand 23 states. [2020-10-12 16:43:03,426 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:43:04,266 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:43:05,185 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 400