/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=SHALLOWEST --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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:43:10,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:43:10,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:43:10,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:43:10,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:43:10,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:43:10,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:43:10,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:43:10,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:43:10,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:43:10,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:43:10,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:43:10,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:43:10,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:43:10,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:43:10,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:43:10,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:43:10,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:43:10,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:43:10,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:43:10,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:43:10,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:43:10,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:43:10,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:43:10,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:43:10,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:43:10,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:43:10,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:43:10,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:43:10,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:43:10,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:43:10,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:43:10,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:43:10,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:43:10,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:43:10,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:43:10,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:43:10,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:43:10,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:43:10,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:43:10,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:43:10,625 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 [2020-09-24 23:43:10,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:43:10,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:43:10,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:43:10,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:43:10,652 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:43:10,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:43:10,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:43:10,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:43:10,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:43:10,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:43:10,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:43:10,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:43:10,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:43:10,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:43:10,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:43:10,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:43:10,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:43:10,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:43:10,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:43:10,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:43:10,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:43:10,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:43:10,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:43:10,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:43:10,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:43:10,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:43:10,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:43:10,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:43:10,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:43:10,658 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:43:11,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:43:11,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:43:11,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:43:11,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:43:11,176 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:43:11,177 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-24 23:43:11,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f922303a/eb09d24d93024a88857eff6af3fb4f32/FLAGf9ab4ef45 [2020-09-24 23:43:11,956 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:43:11,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-24 23:43:11,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f922303a/eb09d24d93024a88857eff6af3fb4f32/FLAGf9ab4ef45 [2020-09-24 23:43:12,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f922303a/eb09d24d93024a88857eff6af3fb4f32 [2020-09-24 23:43:12,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:43:12,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:43:12,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:43:12,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:43:12,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:43:12,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:12,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12, skipping insertion in model container [2020-09-24 23:43:12,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:12,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:43:12,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:43:12,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:43:12,769 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:43:12,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:43:12,932 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:43:12,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12 WrapperNode [2020-09-24 23:43:12,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:43:12,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:43:12,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:43:12,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:43:12,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:12,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:12,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:12,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:13,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:13,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:13,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (1/1) ... [2020-09-24 23:43:13,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:43:13,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:43:13,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:43:13,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:43:13,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (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 [2020-09-24 23:43:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:43:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:43:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:43:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:43:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:43:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 23:43:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:43:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:43:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 23:43:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:43:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:43:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:43:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:43:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:43:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:43:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 23:43:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:43:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:43:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:43:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:43:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:43:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:43:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:43:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:43:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:43:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:43:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:43:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:43:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:43:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:43:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:43:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:43:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:43:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:43:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 23:43:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:43:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:43:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:43:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:43:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:43:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:43:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:43:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:43:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:43:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:43:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:43:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:43:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:43:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:43:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:43:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:43:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:43:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 23:43:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:43:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:43:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:43:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:43:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:43:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:43:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:43:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:43:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:43:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:43:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:43:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 23:43:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 23:43:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:43:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:43:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 23:43:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:43:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:43:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:43:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:43:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:43:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:43:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:43:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:43:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:43:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:43:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:43:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:43:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:43:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:43:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:43:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:43:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:43:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:43:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:43:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:43:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:43:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:43:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:43:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:43:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:43:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:43:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:43:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:43:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:43:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:43:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:43:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:43:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:43:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:43:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:43:14,333 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:43:14,334 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:43:14,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:43:14 BoogieIcfgContainer [2020-09-24 23:43:14,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:43:14,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:43:14,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:43:14,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:43:14,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:43:12" (1/3) ... [2020-09-24 23:43:14,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6c741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:43:14, skipping insertion in model container [2020-09-24 23:43:14,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:43:12" (2/3) ... [2020-09-24 23:43:14,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6c741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:43:14, skipping insertion in model container [2020-09-24 23:43:14,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:43:14" (3/3) ... [2020-09-24 23:43:14,352 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-09-24 23:43:14,363 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:43:14,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:43:14,399 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:43:14,427 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:43:14,427 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:43:14,427 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:43:14,428 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:43:14,428 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:43:14,428 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:43:14,428 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:43:14,428 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:43:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-09-24 23:43:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 23:43:14,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:14,479 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] [2020-09-24 23:43:14,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:14,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:14,488 INFO L82 PathProgramCache]: Analyzing trace with hash -593535945, now seen corresponding path program 1 times [2020-09-24 23:43:14,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:14,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48744408] [2020-09-24 23:43:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:16,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 23:43:19,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:43:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-09-24 23:43:19,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:43:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 23:43:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 23:43:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:43:20,389 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:20,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:20,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-24 23:43:20,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 23:43:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:20,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:20,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:20,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:20,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:20,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:20,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:20,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:20,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:20,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:20,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:20,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:20,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:43:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:20,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:43:20,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:43:20,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:20,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:20,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:20,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:20,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:20,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 23:43:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:20,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:20,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:20,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:20,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 23:43:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:20,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:20,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:20,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:43:20,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:20,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:20,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:20,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 23:43:21,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48744408] [2020-09-24 23:43:21,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:21,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:43:21,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903325094] [2020-09-24 23:43:21,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:43:21,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:21,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:43:21,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:43:21,105 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 9 states. [2020-09-24 23:43:21,929 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:22,776 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:23,130 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 23:43:24,737 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:25,049 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:43:25,398 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:25,864 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:43:26,173 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:43:26,475 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:43:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:27,592 INFO L93 Difference]: Finished difference Result 719 states and 862 transitions. [2020-09-24 23:43:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:43:27,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 23:43:27,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:27,622 INFO L225 Difference]: With dead ends: 719 [2020-09-24 23:43:27,623 INFO L226 Difference]: Without dead ends: 480 [2020-09-24 23:43:27,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:43:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-24 23:43:27,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 432. [2020-09-24 23:43:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-09-24 23:43:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2020-09-24 23:43:27,806 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 160 [2020-09-24 23:43:27,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:27,809 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2020-09-24 23:43:27,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:43:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2020-09-24 23:43:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 23:43:27,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:27,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:27,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:43:27,825 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:27,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:27,826 INFO L82 PathProgramCache]: Analyzing trace with hash -2071947246, now seen corresponding path program 1 times [2020-09-24 23:43:27,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:27,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352107172] [2020-09-24 23:43:27,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:27,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:28,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 23:43:30,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:43:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2503 [2020-09-24 23:43:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 23:43:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:43:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:30,676 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:30,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:30,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 23:43:30,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:30,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:30,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:30,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:30,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:30,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:30,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:43:30,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:30,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:30,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:30,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:30,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:30,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:30,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:30,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:30,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:43:30,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:43:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:30,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:30,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:43:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:30,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:30,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:30,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:30,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:43:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:30,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:31,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:43:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-24 23:43:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:43:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 23:43:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:31,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 23:43:31,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 23:43:31,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 23:43:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:31,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 23:43:31,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 23:43:31,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:43:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:43:31,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:31,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 23:43:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:31,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 23:43:31,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:43:31,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:31,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:31,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:31,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:31,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:31,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 23:43:31,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:43:31,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 23:43:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:31,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:31,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 23:43:31,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:31,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:31,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:31,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:31,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:31,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 23:43:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:31,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:31,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:31,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:31,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:31,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 23:43:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:31,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:31,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:31,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 23:43:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:31,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:31,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:31,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:31,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:31,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:31,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:31,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:31,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:31,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352107172] [2020-09-24 23:43:31,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:31,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:43:31,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688732451] [2020-09-24 23:43:31,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:43:31,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:31,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:43:31,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:43:31,636 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand 11 states. [2020-09-24 23:43:32,540 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:33,827 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:34,143 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:34,506 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:43:34,885 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:35,216 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:35,528 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:36,786 INFO L93 Difference]: Finished difference Result 810 states and 957 transitions. [2020-09-24 23:43:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:43:36,787 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2020-09-24 23:43:36,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:36,795 INFO L225 Difference]: With dead ends: 810 [2020-09-24 23:43:36,795 INFO L226 Difference]: Without dead ends: 493 [2020-09-24 23:43:36,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-09-24 23:43:36,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-24 23:43:36,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 426. [2020-09-24 23:43:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-09-24 23:43:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 468 transitions. [2020-09-24 23:43:36,864 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 468 transitions. Word has length 226 [2020-09-24 23:43:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:36,864 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 468 transitions. [2020-09-24 23:43:36,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 23:43:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 468 transitions. [2020-09-24 23:43:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 23:43:36,869 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:36,869 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:36,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:43:36,869 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:36,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:36,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1452382062, now seen corresponding path program 1 times [2020-09-24 23:43:36,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:36,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592188119] [2020-09-24 23:43:36,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:37,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:37,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:37,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 23:43:37,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:37,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-09-24 23:43:37,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 23:43:37,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:37,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:38,141 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:38,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:38,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 23:43:38,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:38,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:38,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:38,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:38,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:38,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:38,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:38,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:43:38,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:38,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:38,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:38,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:38,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:38,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:43:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:38,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:38,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:43:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:38,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:38,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:38,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:38,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 23:43:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:38,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 23:43:38,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 23:43:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 23:43:38,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 23:43:38,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 23:43:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 23:43:38,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 23:43:38,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:43:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:38,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 23:43:38,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:38,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:43:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:38,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:38,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:38,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:43:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:38,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 23:43:38,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:43:38,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 23:43:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 23:43:38,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:38,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:38,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:38,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 23:43:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:38,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 23:43:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:38,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:38,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:38,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:38,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 23:43:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:38,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:38,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:38,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:38,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:38,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:39,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592188119] [2020-09-24 23:43:39,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:39,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:43:39,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471263787] [2020-09-24 23:43:39,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:43:39,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:39,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:43:39,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:43:39,088 INFO L87 Difference]: Start difference. First operand 426 states and 468 transitions. Second operand 10 states. [2020-09-24 23:43:40,638 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:40,970 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:41,289 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:41,611 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:41,920 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:43,329 INFO L93 Difference]: Finished difference Result 880 states and 1057 transitions. [2020-09-24 23:43:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:43:43,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2020-09-24 23:43:43,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:43,336 INFO L225 Difference]: With dead ends: 880 [2020-09-24 23:43:43,336 INFO L226 Difference]: Without dead ends: 569 [2020-09-24 23:43:43,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:43:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-09-24 23:43:43,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 432. [2020-09-24 23:43:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-09-24 23:43:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 474 transitions. [2020-09-24 23:43:43,434 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 474 transitions. Word has length 239 [2020-09-24 23:43:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:43,437 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 474 transitions. [2020-09-24 23:43:43,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:43:43,437 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 474 transitions. [2020-09-24 23:43:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 23:43:43,442 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:43,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:43,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:43:43,443 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:43,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:43,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1511087183, now seen corresponding path program 1 times [2020-09-24 23:43:43,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:43,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311743102] [2020-09-24 23:43:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:43,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 23:43:45,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1594 [2020-09-24 23:43:45,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 23:43:45,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 23:43:45,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 23:43:45,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,407 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:45,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-24 23:43:45,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 23:43:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:45,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:45,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:45,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:45,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:45,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:45,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:45,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:43:45,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:45,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:45,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:45,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:45,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:45,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:45,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:45,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:43:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:45,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:45,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:45,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:43:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:45,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:43:45,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:45,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:45,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 23:43:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:45,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 23:43:45,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 23:43:45,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 23:43:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:45,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:45,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 23:43:45,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 23:43:45,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:43:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:45,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:45,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 23:43:46,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 23:43:46,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 23:43:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:46,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:43:46,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:46,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:46,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:46,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:43:46,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 23:43:46,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 23:43:46,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 23:43:46,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:46,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 23:43:46,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:46,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:46,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:46,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:46,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:46,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:46,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:46,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 23:43:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:46,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:46,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 23:43:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:46,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:46,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:46,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:46,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 23:43:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:46,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:46,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:46,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:46,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:46,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:46,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:46,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:46,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311743102] [2020-09-24 23:43:46,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:46,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:43:46,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313502837] [2020-09-24 23:43:46,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:43:46,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:46,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:43:46,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:43:46,306 INFO L87 Difference]: Start difference. First operand 432 states and 474 transitions. Second operand 8 states. [2020-09-24 23:43:46,812 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:47,545 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:51,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:51,142 INFO L93 Difference]: Finished difference Result 1241 states and 1519 transitions. [2020-09-24 23:43:51,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 23:43:51,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-09-24 23:43:51,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:51,152 INFO L225 Difference]: With dead ends: 1241 [2020-09-24 23:43:51,152 INFO L226 Difference]: Without dead ends: 924 [2020-09-24 23:43:51,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-24 23:43:51,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-09-24 23:43:51,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 717. [2020-09-24 23:43:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-24 23:43:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 807 transitions. [2020-09-24 23:43:51,248 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 807 transitions. Word has length 239 [2020-09-24 23:43:51,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:51,248 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 807 transitions. [2020-09-24 23:43:51,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:43:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 807 transitions. [2020-09-24 23:43:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-24 23:43:51,253 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:51,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:51,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:43:51,254 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:51,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1367745327, now seen corresponding path program 1 times [2020-09-24 23:43:51,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:51,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425755436] [2020-09-24 23:43:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:51,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:51,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-09-24 23:43:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:43:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 23:43:56,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:43:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 23:43:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-09-24 23:43:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:56,726 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:56,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:56,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:57,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-24 23:43:57,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 23:43:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:57,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:57,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:57,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:57,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:57,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:57,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:57,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:57,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:57,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:57,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:57,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:57,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:43:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:43:57,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:43:57,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:57,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:43:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:43:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:57,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:57,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 23:43:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:57,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:57,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:43:57,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:57,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:57,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 23:43:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:57,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 23:43:57,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:57,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 23:43:57,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 23:43:57,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 23:43:57,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:57,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 23:43:57,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:43:57,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:57,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:43:57,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:57,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:57,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 23:43:57,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:43:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 23:43:57,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:57,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:43:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:57,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:57,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 23:43:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:57,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:57,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 23:43:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:57,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:43:57,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 23:43:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:57,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:57,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:57,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:57,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:57,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:57,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425755436] [2020-09-24 23:43:57,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:57,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 23:43:57,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784072665] [2020-09-24 23:43:57,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 23:43:57,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:57,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 23:43:57,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 23:43:57,607 INFO L87 Difference]: Start difference. First operand 717 states and 807 transitions. Second operand 15 states. [2020-09-24 23:43:58,185 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:59,082 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:44:00,085 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:44:00,475 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 193