/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=WIDEST --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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:04:53,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:04:53,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:04:53,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:04:53,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:04:53,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:04:53,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:04:53,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:04:53,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:04:53,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:04:53,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:04:53,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:04:53,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:04:53,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:04:53,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:04:53,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:04:53,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:04:53,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:04:53,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:04:53,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:04:53,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:04:53,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:04:53,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:04:53,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:04:53,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:04:53,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:04:53,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:04:53,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:04:53,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:04:53,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:04:53,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:04:53,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:04:53,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:04:53,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:04:53,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:04:53,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:04:53,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:04:53,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:04:53,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:04:53,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:04:53,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:04:53,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:04:53,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:04:53,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:04:53,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:04:53,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:04:53,766 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:04:53,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:04:53,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:04:53,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:04:53,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:04:53,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:04:53,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:04:53,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:04:53,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:04:53,769 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:04:53,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:04:53,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:04:53,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:04:53,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:04:53,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:04:53,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:04:53,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:04:53,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:04:53,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:04:53,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:04:53,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:04:53,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:04:53,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:04:53,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:04:53,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:04:53,773 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:04:54,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:04:54,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:04:54,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:04:54,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:04:54,266 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:04:54,267 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 03:04:54,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cd995837/304850355a7c46beb4f5b4f955b2bccf/FLAG5dbe80a73 [2020-09-25 03:04:54,996 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:04:54,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 03:04:55,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cd995837/304850355a7c46beb4f5b4f955b2bccf/FLAG5dbe80a73 [2020-09-25 03:04:55,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cd995837/304850355a7c46beb4f5b4f955b2bccf [2020-09-25 03:04:55,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:04:55,285 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:04:55,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:04:55,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:04:55,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:04:55,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:04:55" (1/1) ... [2020-09-25 03:04:55,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186d1561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:55, skipping insertion in model container [2020-09-25 03:04:55,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:04:55" (1/1) ... [2020-09-25 03:04:55,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:04:55,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:04:55,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:04:55,751 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:04:55,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:04:56,020 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:04:56,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56 WrapperNode [2020-09-25 03:04:56,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:04:56,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:04:56,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:04:56,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:04:56,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... [2020-09-25 03:04:56,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... [2020-09-25 03:04:56,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... [2020-09-25 03:04:56,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... [2020-09-25 03:04:56,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... [2020-09-25 03:04:56,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... [2020-09-25 03:04:56,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... [2020-09-25 03:04:56,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:04:56,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:04:56,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:04:56,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:04:56,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:04:56,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:04:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:04:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:04:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:04:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:04:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:04:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:04:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:04:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:04:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:04:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:04:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:04:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:04:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:04:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:04:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:04:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:04:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:04:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:04:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:04:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:04:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:04:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:04:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:04:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:04:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:04:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:04:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:04:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:04:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:04:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:04:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:04:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:04:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:04:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:04:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:04:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:04:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:04:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:04:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:04:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:04:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:04:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:04:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:04:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:04:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:04:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:04:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:04:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:04:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:04:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:04:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:04:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:04:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:04:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:04:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:04:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:04:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:04:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:04:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:04:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:04:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:04:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:04:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:04:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:04:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:04:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:04:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:04:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:04:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:04:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:04:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:04:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:04:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:04:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:04:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:04:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:04:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:04:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:04:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:04:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:04:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:04:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:04:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:04:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:04:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:04:57,464 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:04:57,465 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:04:57,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:04:57 BoogieIcfgContainer [2020-09-25 03:04:57,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:04:57,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:04:57,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:04:57,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:04:57,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:04:55" (1/3) ... [2020-09-25 03:04:57,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3773adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:04:57, skipping insertion in model container [2020-09-25 03:04:57,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:56" (2/3) ... [2020-09-25 03:04:57,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3773adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:04:57, skipping insertion in model container [2020-09-25 03:04:57,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:04:57" (3/3) ... [2020-09-25 03:04:57,484 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-09-25 03:04:57,497 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:04:57,510 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:04:57,536 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:04:57,581 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:04:57,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:04:57,581 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:04:57,582 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:04:57,582 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:04:57,582 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:04:57,582 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:04:57,583 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:04:57,631 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 03:04:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:04:57,675 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:04:57,677 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:04:57,678 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:04:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:04:57,688 INFO L82 PathProgramCache]: Analyzing trace with hash 138985992, now seen corresponding path program 1 times [2020-09-25 03:04:57,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:04:57,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198626077] [2020-09-25 03:04:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:04:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:58,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:58,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:59,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:59,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:01,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:03,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:03,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:05:03,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:05:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 03:05:03,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:05:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-25 03:05:03,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:05:03,639 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:03,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:04,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-09-25 03:05:04,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:05:04,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:04,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:05:04,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:04,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:04,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:05:04,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:04,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:05:04,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:04,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:04,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:05:04,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:04,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:04,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:05:04,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:05:04,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:04,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:04,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:04,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:05:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:04,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:05:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:04,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:05:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:04,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:04,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:04,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:04,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:04,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:05:04,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:04,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:05:04,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198626077] [2020-09-25 03:05:04,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:04,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:04,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894178400] [2020-09-25 03:05:04,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:04,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:04,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:04,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:04,665 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 9 states. [2020-09-25 03:05:05,525 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:06,315 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:06,625 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:07,975 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:08,317 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:08,769 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:09,306 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:09,632 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:09,927 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:10,293 INFO L93 Difference]: Finished difference Result 584 states and 700 transitions. [2020-09-25 03:05:10,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:05:10,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:05:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:10,317 INFO L225 Difference]: With dead ends: 584 [2020-09-25 03:05:10,317 INFO L226 Difference]: Without dead ends: 395 [2020-09-25 03:05:10,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-25 03:05:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 349. [2020-09-25 03:05:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-09-25 03:05:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 389 transitions. [2020-09-25 03:05:10,461 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 389 transitions. Word has length 160 [2020-09-25 03:05:10,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:10,462 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 389 transitions. [2020-09-25 03:05:10,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 389 transitions. [2020-09-25 03:05:10,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 03:05:10,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:10,468 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:10,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:05:10,469 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:10,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:10,470 INFO L82 PathProgramCache]: Analyzing trace with hash 551895604, now seen corresponding path program 1 times [2020-09-25 03:05:10,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:10,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827666574] [2020-09-25 03:05:10,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:10,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:12,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:12,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 03:05:12,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2078 [2020-09-25 03:05:12,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 03:05:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:12,966 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:12,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:13,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-25 03:05:13,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:13,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:13,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:13,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:13,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:13,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:13,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:05:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:13,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:13,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:13,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:05:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:13,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 03:05:13,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:13,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 03:05:13,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:13,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:05:13,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:13,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:05:13,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:13,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:13,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:13,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:13,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:13,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:13,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 03:05:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 03:05:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:13,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:13,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:13,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:13,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:13,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:13,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:13,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:13,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827666574] [2020-09-25 03:05:13,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:13,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:13,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122375878] [2020-09-25 03:05:13,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:13,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:13,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:13,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:13,569 INFO L87 Difference]: Start difference. First operand 349 states and 389 transitions. Second operand 9 states. [2020-09-25 03:05:14,918 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:15,287 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:15,565 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:15,989 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:16,302 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:17,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:17,094 INFO L93 Difference]: Finished difference Result 672 states and 814 transitions. [2020-09-25 03:05:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 03:05:17,095 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2020-09-25 03:05:17,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:17,101 INFO L225 Difference]: With dead ends: 672 [2020-09-25 03:05:17,102 INFO L226 Difference]: Without dead ends: 438 [2020-09-25 03:05:17,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 03:05:17,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-09-25 03:05:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 358. [2020-09-25 03:05:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-09-25 03:05:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 401 transitions. [2020-09-25 03:05:17,166 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 401 transitions. Word has length 216 [2020-09-25 03:05:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:17,167 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 401 transitions. [2020-09-25 03:05:17,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 401 transitions. [2020-09-25 03:05:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-09-25 03:05:17,171 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:17,172 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:17,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:05:17,172 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:17,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:17,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1659788940, now seen corresponding path program 1 times [2020-09-25 03:05:17,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:17,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276750498] [2020-09-25 03:05:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:17,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:17,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:17,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:17,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 03:05:22,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:05:22,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 03:05:22,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 03:05:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-25 03:05:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,547 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:22,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-25 03:05:22,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 03:05:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:22,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:22,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:22,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:22,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:22,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:22,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:05:22,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:22,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:22,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:22,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:22,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:22,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:22,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:22,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:22,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:22,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 03:05:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 03:05:23,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:05:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:05:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 03:05:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:23,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:05:23,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:23,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:23,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 03:05:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:05:23,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:23,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 03:05:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:05:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:23,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:23,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:05:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:23,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:05:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:23,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:05:23,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:23,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:23,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:23,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:05:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:23,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 03:05:23,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:05:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:23,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:23,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 03:05:23,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:05:23,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:23,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:23,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:23,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:23,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:23,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:23,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:23,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:23,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:23,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 03:05:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:23,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 03:05:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:23,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:23,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:23,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:23,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:23,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:23,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:23,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:23,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:23,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-25 03:05:23,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276750498] [2020-09-25 03:05:23,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:05:23,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-25 03:05:23,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370829693] [2020-09-25 03:05:23,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-25 03:05:23,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:23,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-25 03:05:23,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-09-25 03:05:23,812 INFO L87 Difference]: Start difference. First operand 358 states and 401 transitions. Second operand 20 states. [2020-09-25 03:05:24,338 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:25,900 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:26,240 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:26,612 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:26,995 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:27,333 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:27,785 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:28,077 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:28,401 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:05:28,701 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:29,045 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-25 03:05:29,406 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:29,737 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:30,094 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:30,420 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 03:05:30,730 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:31,042 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:31,352 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:31,968 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 03:05:32,317 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:32,855 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:33,224 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:33,811 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 03:05:34,155 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 03:05:34,579 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:34,961 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:05:35,348 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:36,887 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 03:05:37,534 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 03:05:38,208 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 03:05:38,932 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 03:05:39,840 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 03:05:40,517 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 196 [2020-09-25 03:05:41,242 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2020-09-25 03:05:41,922 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 03:05:42,618 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-25 03:05:43,263 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 03:05:45,516 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:45,853 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:46,217 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192