/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 SingleStatement --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:26:24,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:26:24,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:26:24,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:26:24,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:26:24,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:26:24,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:26:24,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:26:24,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:26:24,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:26:24,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:26:24,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:26:24,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:26:24,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:26:24,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:26:24,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:26:24,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:26:24,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:26:24,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:26:24,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:26:24,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:26:24,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:26:24,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:26:24,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:26:24,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:26:24,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:26:24,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:26:24,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:26:24,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:26:24,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:26:24,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:26:24,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:26:24,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:26:24,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:26:24,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:26:24,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:26:24,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:26:24,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:26:24,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:26:24,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:26:24,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:26:24,813 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 [2020-09-25 14:26:24,862 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:26:24,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:26:24,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:26:24,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:26:24,865 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:26:24,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:26:24,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:26:24,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:26:24,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:26:24,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:26:24,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:26:24,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:26:24,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:26:24,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:26:24,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:26:24,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:26:24,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:26:24,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:26:24,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:26:24,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:26:24,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:26:24,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:26:24,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:26:24,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:26:24,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:26:24,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:26:24,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:26:24,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:26:24,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:26:24,872 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 -> SingleStatement 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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:26:25,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:26:25,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:26:25,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:26:25,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:26:25,345 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:26:25,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 14:26:25,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12cb8efcc/60f7e1151a534091811716b6debab9d1/FLAG6fa69e34a [2020-09-25 14:26:26,022 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:26:26,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-09-25 14:26:26,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12cb8efcc/60f7e1151a534091811716b6debab9d1/FLAG6fa69e34a [2020-09-25 14:26:26,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12cb8efcc/60f7e1151a534091811716b6debab9d1 [2020-09-25 14:26:26,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:26:26,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:26:26,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:26,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:26:26,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:26:26,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:26" (1/1) ... [2020-09-25 14:26:26,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f92d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:26, skipping insertion in model container [2020-09-25 14:26:26,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:26:26" (1/1) ... [2020-09-25 14:26:26,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:26:26,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:26:26,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:26,917 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:26:27,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:26:27,116 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:26:27,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27 WrapperNode [2020-09-25 14:26:27,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:26:27,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:26:27,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:26:27,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:26:27,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (1/1) ... [2020-09-25 14:26:27,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (1/1) ... [2020-09-25 14:26:27,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (1/1) ... [2020-09-25 14:26:27,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (1/1) ... [2020-09-25 14:26:27,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (1/1) ... [2020-09-25 14:26:27,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (1/1) ... [2020-09-25 14:26:27,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (1/1) ... [2020-09-25 14:26:27,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:26:27,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:26:27,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:26:27,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:26:27,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (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 [2020-09-25 14:26:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:26:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:26:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:26:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:26:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:26:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:26:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:26:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:26:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:26:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:26:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:26:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:26:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:26:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:26:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:26:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:26:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:26:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:26:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:26:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 14:26:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:26:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:26:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:26:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:26:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:26:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:26:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:26:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:26:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:26:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:26:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:26:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:26:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:26:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:26:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:26:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:26:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:26:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:26:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:26:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:26:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:26:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:26:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:26:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:26:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:26:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:26:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:26:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:26:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:26:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:26:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:26:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:26:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:26:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:26:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:26:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:26:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:26:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:26:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:26:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:26:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:26:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:26:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:26:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:26:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:26:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:26:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:26:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:26:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:26:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:26:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:26:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 14:26:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:26:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 14:26:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:26:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:26:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:26:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:26:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:26:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:26:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:26:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:26:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:26:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:26:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:26:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:26:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:26:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:26:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:26:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:26:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:26:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:26:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:26:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:26:27,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:26:28,617 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:26:28,617 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:26:28,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:28 BoogieIcfgContainer [2020-09-25 14:26:28,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:26:28,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:26:28,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:26:28,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:26:28,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:26:26" (1/3) ... [2020-09-25 14:26:28,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:28, skipping insertion in model container [2020-09-25 14:26:28,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:26:27" (2/3) ... [2020-09-25 14:26:28,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:26:28, skipping insertion in model container [2020-09-25 14:26:28,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:26:28" (3/3) ... [2020-09-25 14:26:28,635 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-09-25 14:26:28,647 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:26:28,660 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:26:28,686 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:26:28,724 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:26:28,724 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:26:28,724 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:26:28,725 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:26:28,725 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:26:28,725 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:26:28,725 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:26:28,725 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:26:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-25 14:26:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:26:28,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:28,778 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:28,779 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:28,787 INFO L82 PathProgramCache]: Analyzing trace with hash -492062203, now seen corresponding path program 1 times [2020-09-25 14:26:28,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:28,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389886281] [2020-09-25 14:26:28,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:29,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:29,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:31,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:34,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:34,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 14:26:34,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:26:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 14:26:34,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:34,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:26:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:26:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 14:26:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:26:34,676 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:34,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:34,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:35,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-09-25 14:26:35,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:26:35,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:35,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:35,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:35,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:35,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:35,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:35,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:26:35,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:35,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:35,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:35,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:26:35,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:35,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:35,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:35,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:35,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:35,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:35,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:35,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:35,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:26:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:35,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:35,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:35,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 62 [2020-09-25 14:26:35,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:35,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:35,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:26:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 14:26:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:35,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:35,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:35,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:35,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:26:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:35,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:35,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:35,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:35,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:35,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:35,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:35,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:26:35,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389886281] [2020-09-25 14:26:35,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:35,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:26:35,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216911002] [2020-09-25 14:26:35,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:26:35,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:35,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:26:35,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:26:35,447 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 6 states. [2020-09-25 14:26:36,195 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:37,540 INFO L93 Difference]: Finished difference Result 569 states and 666 transitions. [2020-09-25 14:26:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:26:37,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 14:26:37,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:37,573 INFO L225 Difference]: With dead ends: 569 [2020-09-25 14:26:37,574 INFO L226 Difference]: Without dead ends: 351 [2020-09-25 14:26:37,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:26:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-25 14:26:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 303. [2020-09-25 14:26:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-25 14:26:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 330 transitions. [2020-09-25 14:26:37,717 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 330 transitions. Word has length 160 [2020-09-25 14:26:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:37,718 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 330 transitions. [2020-09-25 14:26:37,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:26:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 330 transitions. [2020-09-25 14:26:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 14:26:37,725 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:37,725 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:37,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:26:37,726 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:37,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:37,726 INFO L82 PathProgramCache]: Analyzing trace with hash 453454143, now seen corresponding path program 1 times [2020-09-25 14:26:37,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:37,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062685549] [2020-09-25 14:26:37,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:37,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:38,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:38,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:41,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:42,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:42,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-09-25 14:26:42,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:26:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 14:26:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:42,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:26:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:26:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 14:26:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,180 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:43,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:43,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-25 14:26:43,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:26:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:43,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:43,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:43,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:43,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:43,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:26:43,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:43,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:43,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:43,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:26:43,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:43,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:43,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:43,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:26:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:43,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:43,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:26:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:43,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:26:43,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:43,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:43,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:43,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:43,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:26:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 14:26:43,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:26:43,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 14:26:43,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:26:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 14:26:43,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:26:43,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 14:26:43,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 14:26:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:26:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:26:43,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:26:43,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:26:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:43,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:43,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:43,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 14:26:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:43,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:43,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 14:26:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:43,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:43,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:43,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:43,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:43,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:43,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:43,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:43,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:43,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:43,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:43,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:26:43,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062685549] [2020-09-25 14:26:43,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:43,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:26:43,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302864919] [2020-09-25 14:26:43,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:26:43,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:43,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:26:43,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:26:43,830 INFO L87 Difference]: Start difference. First operand 303 states and 330 transitions. Second operand 8 states. [2020-09-25 14:26:44,427 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:46,263 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:48,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:48,253 INFO L93 Difference]: Finished difference Result 801 states and 982 transitions. [2020-09-25 14:26:48,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 14:26:48,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-09-25 14:26:48,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:48,261 INFO L225 Difference]: With dead ends: 801 [2020-09-25 14:26:48,262 INFO L226 Difference]: Without dead ends: 613 [2020-09-25 14:26:48,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-09-25 14:26:48,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-09-25 14:26:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 454. [2020-09-25 14:26:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-09-25 14:26:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 505 transitions. [2020-09-25 14:26:48,351 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 505 transitions. Word has length 192 [2020-09-25 14:26:48,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:48,352 INFO L479 AbstractCegarLoop]: Abstraction has 454 states and 505 transitions. [2020-09-25 14:26:48,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:26:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 505 transitions. [2020-09-25 14:26:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 14:26:48,355 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:48,356 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:48,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:26:48,356 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:48,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:48,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1112059106, now seen corresponding path program 1 times [2020-09-25 14:26:48,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:48,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781940769] [2020-09-25 14:26:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:48,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:49,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:50,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:53,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-25 14:26:53,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:26:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 14:26:53,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:53,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 14:26:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:26:53,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-09-25 14:26:53,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:53,779 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:53,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:54,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-09-25 14:26:54,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:26:54,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:54,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:54,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:54,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:54,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:26:54,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:54,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:54,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 14:26:54,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:54,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:54,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:54,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:26:54,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:54,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:26:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:54,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:26:54,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:54,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:26:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 14:26:54,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:54,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:54,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:54,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:54,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:54,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:54,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:54,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:26:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 14:26:54,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:26:54,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-25 14:26:54,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:26:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 14:26:54,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:26:54,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-09-25 14:26:54,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:26:54,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:54,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:54,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 14:26:54,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 14:26:54,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:54,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:26:54,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:54,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 14:26:54,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:54,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:54,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:55,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:55,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:55,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:55,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:26:55,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:55,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 14:26:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:55,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:55,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:55,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:55,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:55,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:55,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:55,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:55,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:55,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:55,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:55,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:55,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:55,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:55,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:55,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:55,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 14:26:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:55,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:55,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:55,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:55,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:55,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:55,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:55,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 14:26:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:55,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:55,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:26:55,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:55,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:55,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:26:55,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781940769] [2020-09-25 14:26:55,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:55,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:26:55,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957722596] [2020-09-25 14:26:55,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:26:55,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:55,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:26:55,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:26:55,221 INFO L87 Difference]: Start difference. First operand 454 states and 505 transitions. Second operand 11 states. [2020-09-25 14:26:55,746 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:56,885 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 14:26:57,533 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 14:26:58,896 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:26:59,219 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:26:59,615 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:00,061 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:00,372 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:27:00,674 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:02,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:02,184 INFO L93 Difference]: Finished difference Result 941 states and 1132 transitions. [2020-09-25 14:27:02,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 14:27:02,185 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-09-25 14:27:02,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:02,191 INFO L225 Difference]: With dead ends: 941 [2020-09-25 14:27:02,192 INFO L226 Difference]: Without dead ends: 602 [2020-09-25 14:27:02,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=266, Invalid=726, Unknown=0, NotChecked=0, Total=992 [2020-09-25 14:27:02,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-09-25 14:27:02,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 453. [2020-09-25 14:27:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-09-25 14:27:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 502 transitions. [2020-09-25 14:27:02,273 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 502 transitions. Word has length 216 [2020-09-25 14:27:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:02,274 INFO L479 AbstractCegarLoop]: Abstraction has 453 states and 502 transitions. [2020-09-25 14:27:02,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:27:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 502 transitions. [2020-09-25 14:27:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 14:27:02,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:02,278 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:27:02,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:27:02,279 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:02,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:02,280 INFO L82 PathProgramCache]: Analyzing trace with hash -181604155, now seen corresponding path program 1 times [2020-09-25 14:27:02,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:02,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108446208] [2020-09-25 14:27:02,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:02,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 14:27:03,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 852 [2020-09-25 14:27:03,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:03,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-25 14:27:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,602 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:03,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 14:27:03,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:03,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:03,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:03,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:03,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:03,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:03,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:03,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:03,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:03,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:27:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:03,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:03,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:27:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:03,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:03,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:03,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:03,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:03,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:27:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:03,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:03,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 14:27:03,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 14:27:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:03,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:27:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:03,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:03,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:04,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:04,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 14:27:04,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 14:27:04,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:04,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:27:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:04,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:04,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:04,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:04,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:04,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 14:27:04,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 14:27:04,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:04,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:04,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:27:04,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 14:27:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:27:04,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:04,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:04,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:04,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:04,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:27:04,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:04,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 14:27:04,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:04,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:27:04,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:27:04,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:27:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:04,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:04,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:04,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:27:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:27:04,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:04,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:04,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:27:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:04,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:04,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:04,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:04,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:04,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:04,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 14:27:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:04,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 14:27:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:04,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:04,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:04,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:04,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:04,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:04,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:04,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:04,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:04,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 14:27:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:04,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:04,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:04,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:04,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:04,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:04,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:04,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:27:04,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108446208] [2020-09-25 14:27:04,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:04,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:27:04,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441290567] [2020-09-25 14:27:04,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:27:04,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:04,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:27:04,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:27:04,390 INFO L87 Difference]: Start difference. First operand 453 states and 502 transitions. Second operand 11 states. [2020-09-25 14:27:05,944 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:06,244 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:06,554 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:27:06,858 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:07,188 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:07,487 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:08,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:08,833 INFO L93 Difference]: Finished difference Result 942 states and 1126 transitions. [2020-09-25 14:27:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:27:08,833 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-25 14:27:08,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:08,838 INFO L225 Difference]: With dead ends: 942 [2020-09-25 14:27:08,838 INFO L226 Difference]: Without dead ends: 604 [2020-09-25 14:27:08,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 14:27:08,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2020-09-25 14:27:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 461. [2020-09-25 14:27:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-09-25 14:27:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 510 transitions. [2020-09-25 14:27:08,902 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 510 transitions. Word has length 217 [2020-09-25 14:27:08,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:08,902 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 510 transitions. [2020-09-25 14:27:08,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:27:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 510 transitions. [2020-09-25 14:27:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 14:27:08,906 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:08,906 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:27:08,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:27:08,906 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:08,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:08,907 INFO L82 PathProgramCache]: Analyzing trace with hash -243932891, now seen corresponding path program 1 times [2020-09-25 14:27:08,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:08,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282887202] [2020-09-25 14:27:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:09,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 14:27:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 755 [2020-09-25 14:27:09,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:09,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-25 14:27:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,069 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:27:10,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:27:10,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 14:27:10,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:27:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:10,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:10,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:27:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:10,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:27:10,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:27:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:10,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:27:10,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:27:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:27:10,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:27:10,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:27:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:10,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:27:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:10,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:10,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:27:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:27:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:10,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:27:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:27:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:10,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:10,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 14:27:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 14:27:10,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 14:27:10,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:10,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 14:27:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:10,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 14:27:10,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 14:27:10,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:10,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:27:10,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:10,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 14:27:10,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 14:27:10,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 14:27:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:10,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:27:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:27:10,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 14:27:10,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:27:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:27:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:27:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:27:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:27:10,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:27:10,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:27:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:27:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:27:10,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:27:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:27:10,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:27:10,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 14:27:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 14:27:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:10,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:10,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 14:27:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:10,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:27:10,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:27:10,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:27:10,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:27:10,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:27:10,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:27:10,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:27:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:27:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:27:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:27:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:27:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:27:10,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282887202] [2020-09-25 14:27:10,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:27:10,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:27:10,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609653841] [2020-09-25 14:27:10,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:27:10,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:27:10,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:27:10,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:27:10,706 INFO L87 Difference]: Start difference. First operand 461 states and 510 transitions. Second operand 10 states. [2020-09-25 14:27:12,058 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:12,357 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:12,670 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:12,983 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:27:13,265 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:27:14,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:27:14,955 INFO L93 Difference]: Finished difference Result 961 states and 1163 transitions. [2020-09-25 14:27:14,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:27:14,956 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-25 14:27:14,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:27:14,961 INFO L225 Difference]: With dead ends: 961 [2020-09-25 14:27:14,961 INFO L226 Difference]: Without dead ends: 615 [2020-09-25 14:27:14,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 14:27:14,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-09-25 14:27:15,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 467. [2020-09-25 14:27:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-09-25 14:27:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 516 transitions. [2020-09-25 14:27:15,025 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 516 transitions. Word has length 217 [2020-09-25 14:27:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:27:15,026 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 516 transitions. [2020-09-25 14:27:15,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:27:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 516 transitions. [2020-09-25 14:27:15,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 14:27:15,029 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:27:15,029 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:27:15,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:27:15,030 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:27:15,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:27:15,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1895973026, now seen corresponding path program 1 times [2020-09-25 14:27:15,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:27:15,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684372939] [2020-09-25 14:27:15,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:27:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:27:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking...